aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2011-02-02 01:27:07 -0500
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2011-05-25 11:04:34 -0400
commitbd60299594fb1d28ae66563c9e76a0b89b0412cf (patch)
treebe57b42058328220a29a03ab68970a3b2a12949d
parent1b021a3b23a40be89c4f3fbe6f4696aa15141f26 (diff)
at91: switch to CLKDEV_LOOKUP
we do not change the clock naming convention so does not need to switch the AVR32 yet Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
Diffstat
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/mach-at91/at572d940hf.c32
-rw-r--r--arch/arm/mach-at91/at572d940hf_devices.c14
-rw-r--r--arch/arm/mach-at91/at91cap9.c36
-rw-r--r--arch/arm/mach-at91/at91cap9_devices.c20
-rw-r--r--arch/arm/mach-at91/at91rm9200.c37
-rw-r--r--arch/arm/mach-at91/at91rm9200_devices.c20
-rw-r--r--arch/arm/mach-at91/at91sam9260.c39
-rw-r--r--arch/arm/mach-at91/at91sam9260_devices.c22
-rw-r--r--arch/arm/mach-at91/at91sam9261.c35
-rw-r--r--arch/arm/mach-at91/at91sam9261_devices.c17
-rw-r--r--arch/arm/mach-at91/at91sam9263.c34
-rw-r--r--arch/arm/mach-at91/at91sam9263_devices.c16
-rw-r--r--arch/arm/mach-at91/at91sam9g45.c59
-rw-r--r--arch/arm/mach-at91/at91sam9g45_devices.c23
-rw-r--r--arch/arm/mach-at91/at91sam9rl.c35
-rw-r--r--arch/arm/mach-at91/at91sam9rl_devices.c19
-rw-r--r--arch/arm/mach-at91/at91x40.c5
-rw-r--r--arch/arm/mach-at91/clock.c67
-rw-r--r--arch/arm/mach-at91/clock.h20
-rw-r--r--arch/arm/mach-at91/generic.h16
-rw-r--r--arch/arm/mach-at91/include/mach/clkdev.h7
22 files changed, 372 insertions, 202 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7275009686e6..5fd0be92f70b 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -294,6 +294,7 @@ config ARCH_AT91
294 bool "Atmel AT91" 294 bool "Atmel AT91"
295 select ARCH_REQUIRE_GPIOLIB 295 select ARCH_REQUIRE_GPIOLIB
296 select HAVE_CLK 296 select HAVE_CLK
297 select CLKDEV_LOOKUP
297 help 298 help
298 This enables support for systems based on the Atmel AT91RM9200, 299 This enables support for systems based on the Atmel AT91RM9200,
299 AT91SAM9 and AT91CAP9 processors. 300 AT91SAM9 and AT91CAP9 processors.
diff --git a/arch/arm/mach-at91/at572d940hf.c b/arch/arm/mach-at91/at572d940hf.c
index bacd3764b6c5..d06990777ffe 100644
--- a/arch/arm/mach-at91/at572d940hf.c
+++ b/arch/arm/mach-at91/at572d940hf.c
@@ -205,6 +205,21 @@ static struct clk *periph_clocks[] __initdata = {
205 /* irq0 .. irq2 */ 205 /* irq0 .. irq2 */
206}; 206};
207 207
208static struct clk_lookup periph_clocks_lookups[] = {
209 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
210 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
211 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
212 CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
213 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
214};
215
216static struct clk_lookup usart_clocks_lookups[] = {
217 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
218 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
219 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
220 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
221};
222
208/* 223/*
209 * The five programmable clocks. 224 * The five programmable clocks.
210 * You must configure pin multiplexing to bring these signals out. 225 * You must configure pin multiplexing to bring these signals out.
@@ -262,6 +277,11 @@ static void __init at572d940hf_register_clocks(void)
262 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) 277 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
263 clk_register(periph_clocks[i]); 278 clk_register(periph_clocks[i]);
264 279
280 clkdev_add_table(periph_clocks_lookups,
281 ARRAY_SIZE(periph_clocks_lookups));
282 clkdev_add_table(usart_clocks_lookups,
283 ARRAY_SIZE(usart_clocks_lookups));
284
265 clk_register(&pck0); 285 clk_register(&pck0);
266 clk_register(&pck1); 286 clk_register(&pck1);
267 clk_register(&pck2); 287 clk_register(&pck2);
@@ -272,6 +292,18 @@ static void __init at572d940hf_register_clocks(void)
272 clk_register(&hck1); 292 clk_register(&hck1);
273} 293}
274 294
295static struct clk_lookup console_clock_lookup;
296
297void __init at572d940hf_set_console_clock(int id)
298{
299 if (id >= ARRAY_SIZE(usart_clocks_lookups))
300 return;
301
302 console_clock_lookup.con_id = "usart";
303 console_clock_lookup.clk = usart_clocks_lookups[id].clk;
304 clkdev_add(&console_clock_lookup);
305}
306
275/* -------------------------------------------------------------------- 307/* --------------------------------------------------------------------
276 * GPIO 308 * GPIO
277 * -------------------------------------------------------------------- */ 309 * -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at572d940hf_devices.c b/arch/arm/mach-at91/at572d940hf_devices.c
index e52c8e078b0f..14863b8e7e6a 100644
--- a/arch/arm/mach-at91/at572d940hf_devices.c
+++ b/arch/arm/mach-at91/at572d940hf_devices.c
@@ -532,7 +532,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
532 at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ 532 at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
533 at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ 533 at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
534 534
535 at91_clock_associate("spi0_clk", &at572d940hf_spi0_device.dev, "spi_clk");
536 platform_device_register(&at572d940hf_spi0_device); 535 platform_device_register(&at572d940hf_spi0_device);
537 } 536 }
538 if (enable_spi1) { 537 if (enable_spi1) {
@@ -540,7 +539,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
540 at91_set_A_periph(AT91_PIN_PC1, 0); /* SPI1_MOSI */ 539 at91_set_A_periph(AT91_PIN_PC1, 0); /* SPI1_MOSI */
541 at91_set_A_periph(AT91_PIN_PC2, 0); /* SPI1_SPCK */ 540 at91_set_A_periph(AT91_PIN_PC2, 0); /* SPI1_SPCK */
542 541
543 at91_clock_associate("spi1_clk", &at572d940hf_spi1_device.dev, "spi_clk");
544 platform_device_register(&at572d940hf_spi1_device); 542 platform_device_register(&at572d940hf_spi1_device);
545 } 543 }
546} 544}
@@ -587,10 +585,6 @@ static struct platform_device at572d940hf_tcb_device = {
587 585
588static void __init at91_add_device_tc(void) 586static void __init at91_add_device_tc(void)
589{ 587{
590 /* this chip has a separate clock and irq for each TC channel */
591 at91_clock_associate("tc0_clk", &at572d940hf_tcb_device.dev, "t0_clk");
592 at91_clock_associate("tc1_clk", &at572d940hf_tcb_device.dev, "t1_clk");
593 at91_clock_associate("tc2_clk", &at572d940hf_tcb_device.dev, "t2_clk");
594 platform_device_register(&at572d940hf_tcb_device); 588 platform_device_register(&at572d940hf_tcb_device);
595} 589}
596#else 590#else
@@ -828,22 +822,18 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
828 case 0: /* DBGU */ 822 case 0: /* DBGU */
829 pdev = &at572d940hf_dbgu_device; 823 pdev = &at572d940hf_dbgu_device;
830 configure_dbgu_pins(); 824 configure_dbgu_pins();
831 at91_clock_associate("mck", &pdev->dev, "usart");
832 break; 825 break;
833 case AT572D940HF_ID_US0: 826 case AT572D940HF_ID_US0:
834 pdev = &at572d940hf_uart0_device; 827 pdev = &at572d940hf_uart0_device;
835 configure_usart0_pins(pins); 828 configure_usart0_pins(pins);
836 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
837 break; 829 break;
838 case AT572D940HF_ID_US1: 830 case AT572D940HF_ID_US1:
839 pdev = &at572d940hf_uart1_device; 831 pdev = &at572d940hf_uart1_device;
840 configure_usart1_pins(pins); 832 configure_usart1_pins(pins);
841 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
842 break; 833 break;
843 case AT572D940HF_ID_US2: 834 case AT572D940HF_ID_US2:
844 pdev = &at572d940hf_uart2_device; 835 pdev = &at572d940hf_uart2_device;
845 configure_usart2_pins(pins); 836 configure_usart2_pins(pins);
846 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
847 break; 837 break;
848 default: 838 default:
849 return; 839 return;
@@ -857,8 +847,10 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
857 847
858void __init at91_set_serial_console(unsigned portnr) 848void __init at91_set_serial_console(unsigned portnr)
859{ 849{
860 if (portnr < ATMEL_MAX_UART) 850 if (portnr < ATMEL_MAX_UART) {
861 atmel_default_console_device = at91_uarts[portnr]; 851 atmel_default_console_device = at91_uarts[portnr];
852 at572d940hf_set_console_clock(portnr);
853 }
862} 854}
863 855
864void __init at91_add_device_serial(void) 856void __init at91_add_device_serial(void)
diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c
index 69df2bb4a703..17fae4a42ab5 100644
--- a/arch/arm/mach-at91/at91cap9.c
+++ b/arch/arm/mach-at91/at91cap9.c
@@ -222,6 +222,25 @@ static struct clk *periph_clocks[] __initdata = {
222 // irq0 .. irq1 222 // irq0 .. irq1
223}; 223};
224 224
225static struct clk_lookup periph_clocks_lookups[] = {
226 CLKDEV_CON_DEV_ID("hclk", "atmel_usba_udc.0", &utmi_clk),
227 CLKDEV_CON_DEV_ID("pclk", "atmel_usba_udc.0", &udphs_clk),
228 CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.0", &mmc0_clk),
229 CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.1", &mmc1_clk),
230 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
231 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
232 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk),
233 CLKDEV_CON_DEV_ID("ssc", "ssc.0", &ssc0_clk),
234 CLKDEV_CON_DEV_ID("ssc", "ssc.1", &ssc1_clk),
235};
236
237static struct clk_lookup usart_clocks_lookups[] = {
238 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
239 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
240 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
241 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
242};
243
225/* 244/*
226 * The four programmable clocks. 245 * The four programmable clocks.
227 * You must configure pin multiplexing to bring these signals out. 246 * You must configure pin multiplexing to bring these signals out.
@@ -258,12 +277,29 @@ static void __init at91cap9_register_clocks(void)
258 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) 277 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
259 clk_register(periph_clocks[i]); 278 clk_register(periph_clocks[i]);
260 279
280 clkdev_add_table(periph_clocks_lookups,
281 ARRAY_SIZE(periph_clocks_lookups));
282 clkdev_add_table(usart_clocks_lookups,
283 ARRAY_SIZE(usart_clocks_lookups));
284
261 clk_register(&pck0); 285 clk_register(&pck0);
262 clk_register(&pck1); 286 clk_register(&pck1);
263 clk_register(&pck2); 287 clk_register(&pck2);
264 clk_register(&pck3); 288 clk_register(&pck3);
265} 289}
266 290
291static struct clk_lookup console_clock_lookup;
292
293void __init at91cap9_set_console_clock(int id)
294{
295 if (id >= ARRAY_SIZE(usart_clocks_lookups))
296 return;
297
298 console_clock_lookup.con_id = "usart";
299 console_clock_lookup.clk = usart_clocks_lookups[id].clk;
300 clkdev_add(&console_clock_lookup);
301}
302
267/* -------------------------------------------------------------------- 303/* --------------------------------------------------------------------
268 * GPIO 304 * GPIO
269 * -------------------------------------------------------------------- */ 305 * -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c
index ffda9099f6fa..cd850ed6f335 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -181,10 +181,6 @@ void __init at91_add_device_usba(struct usba_platform_data *data)
181 181
182 /* Pullup pin is handled internally by USB device peripheral */ 182 /* Pullup pin is handled internally by USB device peripheral */
183 183
184 /* Clocks */
185 at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
186 at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");
187
188 platform_device_register(&at91_usba_udc_device); 184 platform_device_register(&at91_usba_udc_device);
189} 185}
190#else 186#else
@@ -355,7 +351,6 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
355 } 351 }
356 352
357 mmc0_data = *data; 353 mmc0_data = *data;
358 at91_clock_associate("mci0_clk", &at91cap9_mmc0_device.dev, "mci_clk");
359 platform_device_register(&at91cap9_mmc0_device); 354 platform_device_register(&at91cap9_mmc0_device);
360 } else { /* MCI1 */ 355 } else { /* MCI1 */
361 /* CLK */ 356 /* CLK */
@@ -373,7 +368,6 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
373 } 368 }
374 369
375 mmc1_data = *data; 370 mmc1_data = *data;
376 at91_clock_associate("mci1_clk", &at91cap9_mmc1_device.dev, "mci_clk");
377 platform_device_register(&at91cap9_mmc1_device); 371 platform_device_register(&at91cap9_mmc1_device);
378 } 372 }
379} 373}
@@ -614,7 +608,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
614 at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ 608 at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
615 at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ 609 at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
616 610
617 at91_clock_associate("spi0_clk", &at91cap9_spi0_device.dev, "spi_clk");
618 platform_device_register(&at91cap9_spi0_device); 611 platform_device_register(&at91cap9_spi0_device);
619 } 612 }
620 if (enable_spi1) { 613 if (enable_spi1) {
@@ -622,7 +615,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
622 at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */ 615 at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */
623 at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */ 616 at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */
624 617
625 at91_clock_associate("spi1_clk", &at91cap9_spi1_device.dev, "spi_clk");
626 platform_device_register(&at91cap9_spi1_device); 618 platform_device_register(&at91cap9_spi1_device);
627 } 619 }
628} 620}
@@ -659,8 +651,6 @@ static struct platform_device at91cap9_tcb_device = {
659 651
660static void __init at91_add_device_tc(void) 652static void __init at91_add_device_tc(void)
661{ 653{
662 /* this chip has one clock and irq for all three TC channels */
663 at91_clock_associate("tcb_clk", &at91cap9_tcb_device.dev, "t0_clk");
664 platform_device_register(&at91cap9_tcb_device); 654 platform_device_register(&at91cap9_tcb_device);
665} 655}
666#else 656#else
@@ -1001,12 +991,10 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins)
1001 case AT91CAP9_ID_SSC0: 991 case AT91CAP9_ID_SSC0:
1002 pdev = &at91cap9_ssc0_device; 992 pdev = &at91cap9_ssc0_device;
1003 configure_ssc0_pins(pins); 993 configure_ssc0_pins(pins);
1004 at91_clock_associate("ssc0_clk", &pdev->dev, "ssc");
1005 break; 994 break;
1006 case AT91CAP9_ID_SSC1: 995 case AT91CAP9_ID_SSC1:
1007 pdev = &at91cap9_ssc1_device; 996 pdev = &at91cap9_ssc1_device;
1008 configure_ssc1_pins(pins); 997 configure_ssc1_pins(pins);
1009 at91_clock_associate("ssc1_clk", &pdev->dev, "ssc");
1010 break; 998 break;
1011 default: 999 default:
1012 return; 1000 return;
@@ -1205,22 +1193,18 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1205 case 0: /* DBGU */ 1193 case 0: /* DBGU */
1206 pdev = &at91cap9_dbgu_device; 1194 pdev = &at91cap9_dbgu_device;
1207 configure_dbgu_pins(); 1195 configure_dbgu_pins();
1208 at91_clock_associate("mck", &pdev->dev, "usart");
1209 break; 1196 break;
1210 case AT91CAP9_ID_US0: 1197 case AT91CAP9_ID_US0:
1211 pdev = &at91cap9_uart0_device; 1198 pdev = &at91cap9_uart0_device;
1212 configure_usart0_pins(pins); 1199 configure_usart0_pins(pins);
1213 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1214 break; 1200 break;
1215 case AT91CAP9_ID_US1: 1201 case AT91CAP9_ID_US1:
1216 pdev = &at91cap9_uart1_device; 1202 pdev = &at91cap9_uart1_device;
1217 configure_usart1_pins(pins); 1203 configure_usart1_pins(pins);
1218 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1219 break; 1204 break;
1220 case AT91CAP9_ID_US2: 1205 case AT91CAP9_ID_US2:
1221 pdev = &at91cap9_uart2_device; 1206 pdev = &at91cap9_uart2_device;
1222 configure_usart2_pins(pins); 1207 configure_usart2_pins(pins);
1223 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1224 break; 1208 break;
1225 default: 1209 default:
1226 return; 1210 return;
@@ -1234,8 +1218,10 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1234 1218
1235void __init at91_set_serial_console(unsigned portnr) 1219void __init at91_set_serial_console(unsigned portnr)
1236{ 1220{
1237 if (portnr < ATMEL_MAX_UART) 1221 if (portnr < ATMEL_MAX_UART) {
1238 atmel_default_console_device = at91_uarts[portnr]; 1222 atmel_default_console_device = at91_uarts[portnr];
1223 at91cap9_set_console_clock(portnr);
1224 }
1239} 1225}
1240 1226
1241void __init at91_add_device_serial(void) 1227void __init at91_add_device_serial(void)
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 164a98ed8888..d3638bd994da 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -191,6 +191,26 @@ static struct clk *periph_clocks[] __initdata = {
191 // irq0 .. irq6 191 // irq0 .. irq6
192}; 192};
193 193
194static struct clk_lookup periph_clocks_lookups[] = {
195 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
196 CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
197 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
198 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tc3_clk),
199 CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk),
200 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk),
201 CLKDEV_CON_DEV_ID("ssc", "ssc.0", &ssc0_clk),
202 CLKDEV_CON_DEV_ID("ssc", "ssc.1", &ssc1_clk),
203 CLKDEV_CON_DEV_ID("ssc", "ssc.2", &ssc2_clk),
204};
205
206static struct clk_lookup usart_clocks_lookups[] = {
207 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
208 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
209 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
210 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
211 CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk),
212};
213
194/* 214/*
195 * The four programmable clocks. 215 * The four programmable clocks.
196 * You must configure pin multiplexing to bring these signals out. 216 * You must configure pin multiplexing to bring these signals out.
@@ -227,12 +247,29 @@ static void __init at91rm9200_register_clocks(void)
227 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) 247 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
228 clk_register(periph_clocks[i]); 248 clk_register(periph_clocks[i]);
229 249
250 clkdev_add_table(periph_clocks_lookups,
251 ARRAY_SIZE(periph_clocks_lookups));
252 clkdev_add_table(usart_clocks_lookups,
253 ARRAY_SIZE(usart_clocks_lookups));
254
230 clk_register(&pck0); 255 clk_register(&pck0);
231 clk_register(&pck1); 256 clk_register(&pck1);
232 clk_register(&pck2); 257 clk_register(&pck2);
233 clk_register(&pck3); 258 clk_register(&pck3);
234} 259}
235 260
261static struct clk_lookup console_clock_lookup;
262
263void __init at91rm9200_set_console_clock(int id)
264{
265 if (id >= ARRAY_SIZE(usart_clocks_lookups))
266 return;
267
268 console_clock_lookup.con_id = "usart";
269 console_clock_lookup.clk = usart_clocks_lookups[id].clk;
270 clkdev_add(&console_clock_lookup);
271}
272
236/* -------------------------------------------------------------------- 273/* --------------------------------------------------------------------
237 * GPIO 274 * GPIO
238 * -------------------------------------------------------------------- */ 275 * -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 761559e589a3..a0ba475be04c 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -644,15 +644,7 @@ static struct platform_device at91rm9200_tcb1_device = {
644 644
645static void __init at91_add_device_tc(void) 645static void __init at91_add_device_tc(void)
646{ 646{
647 /* this chip has a separate clock and irq for each TC channel */
648 at91_clock_associate("tc0_clk", &at91rm9200_tcb0_device.dev, "t0_clk");
649 at91_clock_associate("tc1_clk", &at91rm9200_tcb0_device.dev, "t1_clk");
650 at91_clock_associate("tc2_clk", &at91rm9200_tcb0_device.dev, "t2_clk");
651 platform_device_register(&at91rm9200_tcb0_device); 647 platform_device_register(&at91rm9200_tcb0_device);
652
653 at91_clock_associate("tc3_clk", &at91rm9200_tcb1_device.dev, "t0_clk");
654 at91_clock_associate("tc4_clk", &at91rm9200_tcb1_device.dev, "t1_clk");
655 at91_clock_associate("tc5_clk", &at91rm9200_tcb1_device.dev, "t2_clk");
656 platform_device_register(&at91rm9200_tcb1_device); 648 platform_device_register(&at91rm9200_tcb1_device);
657} 649}
658#else 650#else
@@ -849,17 +841,14 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins)
849 case AT91RM9200_ID_SSC0: 841 case AT91RM9200_ID_SSC0:
850 pdev = &at91rm9200_ssc0_device; 842 pdev = &at91rm9200_ssc0_device;
851 configure_ssc0_pins(pins); 843 configure_ssc0_pins(pins);
852 at91_clock_associate("ssc0_clk", &pdev->dev, "ssc");
853 break; 844 break;
854 case AT91RM9200_ID_SSC1: 845 case AT91RM9200_ID_SSC1:
855 pdev = &at91rm9200_ssc1_device; 846 pdev = &at91rm9200_ssc1_device;
856 configure_ssc1_pins(pins); 847 configure_ssc1_pins(pins);
857 at91_clock_associate("ssc1_clk", &pdev->dev, "ssc");
858 break; 848 break;
859 case AT91RM9200_ID_SSC2: 849 case AT91RM9200_ID_SSC2:
860 pdev = &at91rm9200_ssc2_device; 850 pdev = &at91rm9200_ssc2_device;
861 configure_ssc2_pins(pins); 851 configure_ssc2_pins(pins);
862 at91_clock_associate("ssc2_clk", &pdev->dev, "ssc");
863 break; 852 break;
864 default: 853 default:
865 return; 854 return;
@@ -1115,27 +1104,22 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1115 case 0: /* DBGU */ 1104 case 0: /* DBGU */
1116 pdev = &at91rm9200_dbgu_device; 1105 pdev = &at91rm9200_dbgu_device;
1117 configure_dbgu_pins(); 1106 configure_dbgu_pins();
1118 at91_clock_associate("mck", &pdev->dev, "usart");
1119 break; 1107 break;
1120 case AT91RM9200_ID_US0: 1108 case AT91RM9200_ID_US0:
1121 pdev = &at91rm9200_uart0_device; 1109 pdev = &at91rm9200_uart0_device;
1122 configure_usart0_pins(pins); 1110 configure_usart0_pins(pins);
1123 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1124 break; 1111 break;
1125 case AT91RM9200_ID_US1: 1112 case AT91RM9200_ID_US1:
1126 pdev = &at91rm9200_uart1_device; 1113 pdev = &at91rm9200_uart1_device;
1127 configure_usart1_pins(pins); 1114 configure_usart1_pins(pins);
1128 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1129 break; 1115 break;
1130 case AT91RM9200_ID_US2: 1116 case AT91RM9200_ID_US2:
1131 pdev = &at91rm9200_uart2_device; 1117 pdev = &at91rm9200_uart2_device;
1132 configure_usart2_pins(pins); 1118 configure_usart2_pins(pins);
1133 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1134 break; 1119 break;
1135 case AT91RM9200_ID_US3: 1120 case AT91RM9200_ID_US3:
1136 pdev = &at91rm9200_uart3_device; 1121 pdev = &at91rm9200_uart3_device;
1137 configure_usart3_pins(pins); 1122 configure_usart3_pins(pins);
1138 at91_clock_associate("usart3_clk", &pdev->dev, "usart");
1139 break; 1123 break;
1140 default: 1124 default:
1141 return; 1125 return;
@@ -1149,8 +1133,10 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1149 1133
1150void __init at91_set_serial_console(unsigned portnr) 1134void __init at91_set_serial_console(unsigned portnr)
1151{ 1135{
1152 if (portnr < ATMEL_MAX_UART) 1136 if (portnr < ATMEL_MAX_UART) {
1153 atmel_default_console_device = at91_uarts[portnr]; 1137 atmel_default_console_device = at91_uarts[portnr];
1138 at91rm9200_set_console_clock(portnr);
1139 }
1154} 1140}
1155 1141
1156void __init at91_add_device_serial(void) 1142void __init at91_add_device_serial(void)
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 5430669d7462..7d606b04d313 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -231,6 +231,28 @@ static struct clk *periph_clocks[] __initdata = {
231 // irq0 .. irq2 231 // irq0 .. irq2
232}; 232};
233 233
234static struct clk_lookup periph_clocks_lookups[] = {
235 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
236 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
237 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
238 CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
239 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
240 CLKDEV_CON_DEV_ID("t3_clk", "atmel_tcb.1", &tc3_clk),
241 CLKDEV_CON_DEV_ID("t4_clk", "atmel_tcb.1", &tc4_clk),
242 CLKDEV_CON_DEV_ID("t5_clk", "atmel_tcb.1", &tc5_clk),
243 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk),
244};
245
246static struct clk_lookup usart_clocks_lookups[] = {
247 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
248 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
249 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
250 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
251 CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk),
252 CLKDEV_CON_DEV_ID("usart", "atmel_usart.5", &usart4_clk),
253 CLKDEV_CON_DEV_ID("usart", "atmel_usart.6", &usart5_clk),
254};
255
234/* 256/*
235 * The two programmable clocks. 257 * The two programmable clocks.
236 * You must configure pin multiplexing to bring these signals out. 258 * You must configure pin multiplexing to bring these signals out.
@@ -255,10 +277,27 @@ static void __init at91sam9260_register_clocks(void)
255 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) 277 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
256 clk_register(periph_clocks[i]); 278 clk_register(periph_clocks[i]);
257 279
280 clkdev_add_table(periph_clocks_lookups,
281 ARRAY_SIZE(periph_clocks_lookups));
282 clkdev_add_table(usart_clocks_lookups,
283 ARRAY_SIZE(usart_clocks_lookups));
284
258 clk_register(&pck0); 285 clk_register(&pck0);
259 clk_register(&pck1); 286 clk_register(&pck1);
260} 287}
261 288
289static struct clk_lookup console_clock_lookup;
290
291void __init at91sam9260_set_console_clock(int id)
292{
293 if (id >= ARRAY_SIZE(usart_clocks_lookups))
294 return;
295
296 console_clock_lookup.con_id = "usart";
297 console_clock_lookup.clk = usart_clocks_lookups[id].clk;
298 clkdev_add(&console_clock_lookup);
299}
300
262/* -------------------------------------------------------------------- 301/* --------------------------------------------------------------------
263 * GPIO 302 * GPIO
264 * -------------------------------------------------------------------- */ 303 * -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 6f8ec8d16d5a..1fdeb9058a76 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -609,7 +609,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
609 at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ 609 at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
610 at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */ 610 at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */
611 611
612 at91_clock_associate("spi0_clk", &at91sam9260_spi0_device.dev, "spi_clk");
613 platform_device_register(&at91sam9260_spi0_device); 612 platform_device_register(&at91sam9260_spi0_device);
614 } 613 }
615 if (enable_spi1) { 614 if (enable_spi1) {
@@ -617,7 +616,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
617 at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */ 616 at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */
618 at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */ 617 at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */
619 618
620 at91_clock_associate("spi1_clk", &at91sam9260_spi1_device.dev, "spi_clk");
621 platform_device_register(&at91sam9260_spi1_device); 619 platform_device_register(&at91sam9260_spi1_device);
622 } 620 }
623} 621}
@@ -694,15 +692,7 @@ static struct platform_device at91sam9260_tcb1_device = {
694 692
695static void __init at91_add_device_tc(void) 693static void __init at91_add_device_tc(void)
696{ 694{
697 /* this chip has a separate clock and irq for each TC channel */
698 at91_clock_associate("tc0_clk", &at91sam9260_tcb0_device.dev, "t0_clk");
699 at91_clock_associate("tc1_clk", &at91sam9260_tcb0_device.dev, "t1_clk");
700 at91_clock_associate("tc2_clk", &at91sam9260_tcb0_device.dev, "t2_clk");
701 platform_device_register(&at91sam9260_tcb0_device); 695 platform_device_register(&at91sam9260_tcb0_device);
702
703 at91_clock_associate("tc3_clk", &at91sam9260_tcb1_device.dev, "t0_clk");
704 at91_clock_associate("tc4_clk", &at91sam9260_tcb1_device.dev, "t1_clk");
705 at91_clock_associate("tc5_clk", &at91sam9260_tcb1_device.dev, "t2_clk");
706 platform_device_register(&at91sam9260_tcb1_device); 696 platform_device_register(&at91sam9260_tcb1_device);
707} 697}
708#else 698#else
@@ -820,7 +810,6 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins)
820 case AT91SAM9260_ID_SSC: 810 case AT91SAM9260_ID_SSC:
821 pdev = &at91sam9260_ssc_device; 811 pdev = &at91sam9260_ssc_device;
822 configure_ssc_pins(pins); 812 configure_ssc_pins(pins);
823 at91_clock_associate("ssc_clk", &pdev->dev, "pclk");
824 break; 813 break;
825 default: 814 default:
826 return; 815 return;
@@ -1145,37 +1134,30 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1145 case 0: /* DBGU */ 1134 case 0: /* DBGU */
1146 pdev = &at91sam9260_dbgu_device; 1135 pdev = &at91sam9260_dbgu_device;
1147 configure_dbgu_pins(); 1136 configure_dbgu_pins();
1148 at91_clock_associate("mck", &pdev->dev, "usart");
1149 break; 1137 break;
1150 case AT91SAM9260_ID_US0: 1138 case AT91SAM9260_ID_US0:
1151 pdev = &at91sam9260_uart0_device; 1139 pdev = &at91sam9260_uart0_device;
1152 configure_usart0_pins(pins); 1140 configure_usart0_pins(pins);
1153 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1154 break; 1141 break;
1155 case AT91SAM9260_ID_US1: 1142 case AT91SAM9260_ID_US1:
1156 pdev = &at91sam9260_uart1_device; 1143 pdev = &at91sam9260_uart1_device;
1157 configure_usart1_pins(pins); 1144 configure_usart1_pins(pins);
1158 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1159 break; 1145 break;
1160 case AT91SAM9260_ID_US2: 1146 case AT91SAM9260_ID_US2:
1161 pdev = &at91sam9260_uart2_device; 1147 pdev = &at91sam9260_uart2_device;
1162 configure_usart2_pins(pins); 1148 configure_usart2_pins(pins);
1163 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1164 break; 1149 break;
1165 case AT91SAM9260_ID_US3: 1150 case AT91SAM9260_ID_US3:
1166 pdev = &at91sam9260_uart3_device; 1151 pdev = &at91sam9260_uart3_device;
1167 configure_usart3_pins(pins); 1152 configure_usart3_pins(pins);
1168 at91_clock_associate("usart3_clk", &pdev->dev, "usart");
1169 break; 1153 break;
1170 case AT91SAM9260_ID_US4: 1154 case AT91SAM9260_ID_US4:
1171 pdev = &at91sam9260_uart4_device; 1155 pdev = &at91sam9260_uart4_device;
1172 configure_usart4_pins(); 1156 configure_usart4_pins();
1173 at91_clock_associate("usart4_clk", &pdev->dev, "usart");
1174 break; 1157 break;
1175 case AT91SAM9260_ID_US5: 1158 case AT91SAM9260_ID_US5:
1176 pdev = &at91sam9260_uart5_device; 1159 pdev = &at91sam9260_uart5_device;
1177 configure_usart5_pins(); 1160 configure_usart5_pins();
1178 at91_clock_associate("usart5_clk", &pdev->dev, "usart");
1179 break; 1161 break;
1180 default: 1162 default:
1181 return; 1163 return;
@@ -1189,8 +1171,10 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1189 1171
1190void __init at91_set_serial_console(unsigned portnr) 1172void __init at91_set_serial_console(unsigned portnr)
1191{ 1173{
1192 if (portnr < ATMEL_MAX_UART) 1174 if (portnr < ATMEL_MAX_UART) {
1193 atmel_default_console_device = at91_uarts[portnr]; 1175 atmel_default_console_device = at91_uarts[portnr];
1176 at91sam9260_set_console_clock(portnr);
1177 }
1194} 1178}
1195 1179
1196void __init at91_add_device_serial(void) 1180void __init at91_add_device_serial(void)
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index e3bafaebe010..c1483168c97a 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -178,6 +178,24 @@ static struct clk *periph_clocks[] __initdata = {
178 // irq0 .. irq2 178 // irq0 .. irq2
179}; 179};
180 180
181static struct clk_lookup periph_clocks_lookups[] = {
182 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
183 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
184 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
185 CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
186 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc1_clk),
187 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
188 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
189 CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
190};
191
192static struct clk_lookup usart_clocks_lookups[] = {
193 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
194 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
195 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
196 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
197};
198
181/* 199/*
182 * The four programmable clocks. 200 * The four programmable clocks.
183 * You must configure pin multiplexing to bring these signals out. 201 * You must configure pin multiplexing to bring these signals out.
@@ -228,6 +246,11 @@ static void __init at91sam9261_register_clocks(void)
228 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) 246 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
229 clk_register(periph_clocks[i]); 247 clk_register(periph_clocks[i]);
230 248
249 clkdev_add_table(periph_clocks_lookups,
250 ARRAY_SIZE(periph_clocks_lookups));
251 clkdev_add_table(usart_clocks_lookups,
252 ARRAY_SIZE(usart_clocks_lookups));
253
231 clk_register(&pck0); 254 clk_register(&pck0);
232 clk_register(&pck1); 255 clk_register(&pck1);
233 clk_register(&pck2); 256 clk_register(&pck2);
@@ -237,6 +260,18 @@ static void __init at91sam9261_register_clocks(void)
237 clk_register(&hck1); 260 clk_register(&hck1);
238} 261}
239 262
263static struct clk_lookup console_clock_lookup;
264
265void __init at91sam9261_set_console_clock(int id)
266{
267 if (id >= ARRAY_SIZE(usart_clocks_lookups))
268 return;
269
270 console_clock_lookup.con_id = "usart";
271 console_clock_lookup.clk = usart_clocks_lookups[id].clk;
272 clkdev_add(&console_clock_lookup);
273}
274
240/* -------------------------------------------------------------------- 275/* --------------------------------------------------------------------
241 * GPIO 276 * GPIO
242 * -------------------------------------------------------------------- */ 277 * -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 8792f9bfb6b0..3eb4538fceeb 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -426,7 +426,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
426 at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ 426 at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
427 at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ 427 at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
428 428
429 at91_clock_associate("spi0_clk", &at91sam9261_spi0_device.dev, "spi_clk");
430 platform_device_register(&at91sam9261_spi0_device); 429 platform_device_register(&at91sam9261_spi0_device);
431 } 430 }
432 if (enable_spi1) { 431 if (enable_spi1) {
@@ -434,7 +433,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
434 at91_set_A_periph(AT91_PIN_PB31, 0); /* SPI1_MOSI */ 433 at91_set_A_periph(AT91_PIN_PB31, 0); /* SPI1_MOSI */
435 at91_set_A_periph(AT91_PIN_PB29, 0); /* SPI1_SPCK */ 434 at91_set_A_periph(AT91_PIN_PB29, 0); /* SPI1_SPCK */
436 435
437 at91_clock_associate("spi1_clk", &at91sam9261_spi1_device.dev, "spi_clk");
438 platform_device_register(&at91sam9261_spi1_device); 436 platform_device_register(&at91sam9261_spi1_device);
439 } 437 }
440} 438}
@@ -581,10 +579,6 @@ static struct platform_device at91sam9261_tcb_device = {
581 579
582static void __init at91_add_device_tc(void) 580static void __init at91_add_device_tc(void)
583{ 581{
584 /* this chip has a separate clock and irq for each TC channel */
585 at91_clock_associate("tc0_clk", &at91sam9261_tcb_device.dev, "t0_clk");
586 at91_clock_associate("tc1_clk", &at91sam9261_tcb_device.dev, "t1_clk");
587 at91_clock_associate("tc2_clk", &at91sam9261_tcb_device.dev, "t2_clk");
588 platform_device_register(&at91sam9261_tcb_device); 582 platform_device_register(&at91sam9261_tcb_device);
589} 583}
590#else 584#else
@@ -786,17 +780,14 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins)
786 case AT91SAM9261_ID_SSC0: 780 case AT91SAM9261_ID_SSC0:
787 pdev = &at91sam9261_ssc0_device; 781 pdev = &at91sam9261_ssc0_device;
788 configure_ssc0_pins(pins); 782 configure_ssc0_pins(pins);
789 at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
790 break; 783 break;
791 case AT91SAM9261_ID_SSC1: 784 case AT91SAM9261_ID_SSC1:
792 pdev = &at91sam9261_ssc1_device; 785 pdev = &at91sam9261_ssc1_device;
793 configure_ssc1_pins(pins); 786 configure_ssc1_pins(pins);
794 at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
795 break; 787 break;
796 case AT91SAM9261_ID_SSC2: 788 case AT91SAM9261_ID_SSC2:
797 pdev = &at91sam9261_ssc2_device; 789 pdev = &at91sam9261_ssc2_device;
798 configure_ssc2_pins(pins); 790 configure_ssc2_pins(pins);
799 at91_clock_associate("ssc2_clk", &pdev->dev, "pclk");
800 break; 791 break;
801 default: 792 default:
802 return; 793 return;
@@ -995,22 +986,18 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
995 case 0: /* DBGU */ 986 case 0: /* DBGU */
996 pdev = &at91sam9261_dbgu_device; 987 pdev = &at91sam9261_dbgu_device;
997 configure_dbgu_pins(); 988 configure_dbgu_pins();
998 at91_clock_associate("mck", &pdev->dev, "usart");
999 break; 989 break;
1000 case AT91SAM9261_ID_US0: 990 case AT91SAM9261_ID_US0:
1001 pdev = &at91sam9261_uart0_device; 991 pdev = &at91sam9261_uart0_device;
1002 configure_usart0_pins(pins); 992 configure_usart0_pins(pins);
1003 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1004 break; 993 break;
1005 case AT91SAM9261_ID_US1: 994 case AT91SAM9261_ID_US1:
1006 pdev = &at91sam9261_uart1_device; 995 pdev = &at91sam9261_uart1_device;
1007 configure_usart1_pins(pins); 996 configure_usart1_pins(pins);
1008 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1009 break; 997 break;
1010 case AT91SAM9261_ID_US2: 998 case AT91SAM9261_ID_US2:
1011 pdev = &at91sam9261_uart2_device; 999 pdev = &at91sam9261_uart2_device;
1012 configure_usart2_pins(pins); 1000 configure_usart2_pins(pins);
1013 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1014 break; 1001 break;
1015 default: 1002 default:
1016 return; 1003 return;
@@ -1024,8 +1011,10 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1024 1011
1025void __init at91_set_serial_console(unsigned portnr) 1012void __init at91_set_serial_console(unsigned portnr)
1026{ 1013{
1027 if (portnr < ATMEL_MAX_UART) 1014 if (portnr < ATMEL_MAX_UART) {
1028 atmel_default_console_device = at91_uarts[portnr]; 1015 atmel_default_console_device = at91_uarts[portnr];
1016 at91sam9261_set_console_clock(portnr);
1017 }
1029} 1018}
1030 1019
1031void __init at91_add_device_serial(void) 1020void __init at91_add_device_serial(void)
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index 6a085fedf6a3..dc28477d14ff 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -199,6 +199,23 @@ static struct clk *periph_clocks[] __initdata = {
199 // irq0 .. irq1 199 // irq0 .. irq1
200}; 200};
201 201
202static struct clk_lookup periph_clocks_lookups[] = {
203 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
204 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
205 CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.0", &mmc0_clk),
206 CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.1", &mmc1_clk),
207 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
208 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
209 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk),
210};
211
212static struct clk_lookup usart_clocks_lookups[] = {
213 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
214 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
215 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
216 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
217};
218
202/* 219/*
203 * The four programmable clocks. 220 * The four programmable clocks.
204 * You must configure pin multiplexing to bring these signals out. 221 * You must configure pin multiplexing to bring these signals out.
@@ -235,12 +252,29 @@ static void __init at91sam9263_register_clocks(void)
235 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) 252 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
236 clk_register(periph_clocks[i]); 253 clk_register(periph_clocks[i]);
237 254
255 clkdev_add_table(periph_clocks_lookups,
256 ARRAY_SIZE(periph_clocks_lookups));
257 clkdev_add_table(usart_clocks_lookups,
258 ARRAY_SIZE(usart_clocks_lookups));
259
238 clk_register(&pck0); 260 clk_register(&pck0);
239 clk_register(&pck1); 261 clk_register(&pck1);
240 clk_register(&pck2); 262 clk_register(&pck2);
241 clk_register(&pck3); 263 clk_register(&pck3);
242} 264}
243 265
266static struct clk_lookup console_clock_lookup;
267
268void __init at91sam9263_set_console_clock(int id)
269{
270 if (id >= ARRAY_SIZE(usart_clocks_lookups))
271 return;
272
273 console_clock_lookup.con_id = "usart";
274 console_clock_lookup.clk = usart_clocks_lookups[id].clk;
275 clkdev_add(&console_clock_lookup);
276}
277
244/* -------------------------------------------------------------------- 278/* --------------------------------------------------------------------
245 * GPIO 279 * GPIO
246 * -------------------------------------------------------------------- */ 280 * -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 47a9f965bbb5..ffe081b77ed0 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -308,7 +308,6 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
308 } 308 }
309 309
310 mmc0_data = *data; 310 mmc0_data = *data;
311 at91_clock_associate("mci0_clk", &at91sam9263_mmc0_device.dev, "mci_clk");
312 platform_device_register(&at91sam9263_mmc0_device); 311 platform_device_register(&at91sam9263_mmc0_device);
313 } else { /* MCI1 */ 312 } else { /* MCI1 */
314 /* CLK */ 313 /* CLK */
@@ -339,7 +338,6 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
339 } 338 }
340 339
341 mmc1_data = *data; 340 mmc1_data = *data;
342 at91_clock_associate("mci1_clk", &at91sam9263_mmc1_device.dev, "mci_clk");
343 platform_device_register(&at91sam9263_mmc1_device); 341 platform_device_register(&at91sam9263_mmc1_device);
344 } 342 }
345} 343}
@@ -686,7 +684,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
686 at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ 684 at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
687 at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ 685 at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
688 686
689 at91_clock_associate("spi0_clk", &at91sam9263_spi0_device.dev, "spi_clk");
690 platform_device_register(&at91sam9263_spi0_device); 687 platform_device_register(&at91sam9263_spi0_device);
691 } 688 }
692 if (enable_spi1) { 689 if (enable_spi1) {
@@ -694,7 +691,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
694 at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */ 691 at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */
695 at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */ 692 at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */
696 693
697 at91_clock_associate("spi1_clk", &at91sam9263_spi1_device.dev, "spi_clk");
698 platform_device_register(&at91sam9263_spi1_device); 694 platform_device_register(&at91sam9263_spi1_device);
699 } 695 }
700} 696}
@@ -941,8 +937,6 @@ static struct platform_device at91sam9263_tcb_device = {
941 937
942static void __init at91_add_device_tc(void) 938static void __init at91_add_device_tc(void)
943{ 939{
944 /* this chip has one clock and irq for all three TC channels */
945 at91_clock_associate("tcb_clk", &at91sam9263_tcb_device.dev, "t0_clk");
946 platform_device_register(&at91sam9263_tcb_device); 940 platform_device_register(&at91sam9263_tcb_device);
947} 941}
948#else 942#else
@@ -1171,12 +1165,10 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins)
1171 case AT91SAM9263_ID_SSC0: 1165 case AT91SAM9263_ID_SSC0:
1172 pdev = &at91sam9263_ssc0_device; 1166 pdev = &at91sam9263_ssc0_device;
1173 configure_ssc0_pins(pins); 1167 configure_ssc0_pins(pins);
1174 at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
1175 break; 1168 break;
1176 case AT91SAM9263_ID_SSC1: 1169 case AT91SAM9263_ID_SSC1:
1177 pdev = &at91sam9263_ssc1_device; 1170 pdev = &at91sam9263_ssc1_device;
1178 configure_ssc1_pins(pins); 1171 configure_ssc1_pins(pins);
1179 at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
1180 break; 1172 break;
1181 default: 1173 default:
1182 return; 1174 return;
@@ -1376,22 +1368,18 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1376 case 0: /* DBGU */ 1368 case 0: /* DBGU */
1377 pdev = &at91sam9263_dbgu_device; 1369 pdev = &at91sam9263_dbgu_device;
1378 configure_dbgu_pins(); 1370 configure_dbgu_pins();
1379 at91_clock_associate("mck", &pdev->dev, "usart");
1380 break; 1371 break;
1381 case AT91SAM9263_ID_US0: 1372 case AT91SAM9263_ID_US0:
1382 pdev = &at91sam9263_uart0_device; 1373 pdev = &at91sam9263_uart0_device;
1383 configure_usart0_pins(pins); 1374 configure_usart0_pins(pins);
1384 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1385 break; 1375 break;
1386 case AT91SAM9263_ID_US1: 1376 case AT91SAM9263_ID_US1:
1387 pdev = &at91sam9263_uart1_device; 1377 pdev = &at91sam9263_uart1_device;
1388 configure_usart1_pins(pins); 1378 configure_usart1_pins(pins);
1389 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1390 break; 1379 break;
1391 case AT91SAM9263_ID_US2: 1380 case AT91SAM9263_ID_US2:
1392 pdev = &at91sam9263_uart2_device; 1381 pdev = &at91sam9263_uart2_device;
1393 configure_usart2_pins(pins); 1382 configure_usart2_pins(pins);
1394 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1395 break; 1383 break;
1396 default: 1384 default:
1397 return; 1385 return;
@@ -1405,8 +1393,10 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1405 1393
1406void __init at91_set_serial_console(unsigned portnr) 1394void __init at91_set_serial_console(unsigned portnr)
1407{ 1395{
1408 if (portnr < ATMEL_MAX_UART) 1396 if (portnr < ATMEL_MAX_UART) {
1409 atmel_default_console_device = at91_uarts[portnr]; 1397 atmel_default_console_device = at91_uarts[portnr];
1398 at91sam9263_set_console_clock(portnr);
1399 }
1410} 1400}
1411 1401
1412void __init at91_add_device_serial(void) 1402void __init at91_add_device_serial(void)
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index 024e456b943f..2bb6ff9af1c7 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -184,22 +184,6 @@ static struct clk vdec_clk = {
184 .type = CLK_TYPE_PERIPHERAL, 184 .type = CLK_TYPE_PERIPHERAL,
185}; 185};
186 186
187/* One additional fake clock for ohci */
188static struct clk ohci_clk = {
189 .name = "ohci_clk",
190 .pmc_mask = 0,
191 .type = CLK_TYPE_PERIPHERAL,
192 .parent = &uhphs_clk,
193};
194
195/* One additional fake clock for second TC block */
196static struct clk tcb1_clk = {
197 .name = "tcb1_clk",
198 .pmc_mask = 0,
199 .type = CLK_TYPE_PERIPHERAL,
200 .parent = &tcb0_clk,
201};
202
203static struct clk *periph_clocks[] __initdata = { 187static struct clk *periph_clocks[] __initdata = {
204 &pioA_clk, 188 &pioA_clk,
205 &pioB_clk, 189 &pioB_clk,
@@ -228,8 +212,30 @@ static struct clk *periph_clocks[] __initdata = {
228 &udphs_clk, 212 &udphs_clk,
229 &mmc1_clk, 213 &mmc1_clk,
230 // irq0 214 // irq0
231 &ohci_clk, 215};
232 &tcb1_clk, 216
217static struct clk_lookup periph_clocks_lookups[] = {
218 /* One additional fake clock for ohci */
219 CLKDEV_CON_ID("ohci_clk", &uhphs_clk),
220 CLKDEV_CON_DEV_ID("ehci_clk", "atmel-ehci.0", &uhphs_clk),
221 CLKDEV_CON_DEV_ID("hclk", "atmel_usba_udc.0", &utmi_clk),
222 CLKDEV_CON_DEV_ID("pclk", "atmel_usba_udc.0", &udphs_clk),
223 CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.0", &mmc0_clk),
224 CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.1", &mmc1_clk),
225 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
226 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
227 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb0_clk),
228 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tcb0_clk),
229 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
230 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
231};
232
233static struct clk_lookup usart_clocks_lookups[] = {
234 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
235 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
236 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
237 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
238 CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk),
233}; 239};
234 240
235/* 241/*
@@ -256,6 +262,11 @@ static void __init at91sam9g45_register_clocks(void)
256 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) 262 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
257 clk_register(periph_clocks[i]); 263 clk_register(periph_clocks[i]);
258 264
265 clkdev_add_table(periph_clocks_lookups,
266 ARRAY_SIZE(periph_clocks_lookups));
267 clkdev_add_table(usart_clocks_lookups,
268 ARRAY_SIZE(usart_clocks_lookups));
269
259 if (cpu_is_at91sam9m10() || cpu_is_at91sam9m11()) 270 if (cpu_is_at91sam9m10() || cpu_is_at91sam9m11())
260 clk_register(&vdec_clk); 271 clk_register(&vdec_clk);
261 272
@@ -263,6 +274,18 @@ static void __init at91sam9g45_register_clocks(void)
263 clk_register(&pck1); 274 clk_register(&pck1);
264} 275}
265 276
277static struct clk_lookup console_clock_lookup;
278
279void __init at91sam9g45_set_console_clock(int id)
280{
281 if (id >= ARRAY_SIZE(usart_clocks_lookups))
282 return;
283
284 console_clock_lookup.con_id = "usart";
285 console_clock_lookup.clk = usart_clocks_lookups[id].clk;
286 clkdev_add(&console_clock_lookup);
287}
288
266/* -------------------------------------------------------------------- 289/* --------------------------------------------------------------------
267 * GPIO 290 * GPIO
268 * -------------------------------------------------------------------- */ 291 * -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index eee27eed9133..05674865bc21 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -180,7 +180,6 @@ void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data)
180 } 180 }
181 181
182 usbh_ehci_data = *data; 182 usbh_ehci_data = *data;
183 at91_clock_associate("uhphs_clk", &at91_usbh_ehci_device.dev, "ehci_clk");
184 platform_device_register(&at91_usbh_ehci_device); 183 platform_device_register(&at91_usbh_ehci_device);
185} 184}
186#else 185#else
@@ -266,10 +265,6 @@ void __init at91_add_device_usba(struct usba_platform_data *data)
266 265
267 /* Pullup pin is handled internally by USB device peripheral */ 266 /* Pullup pin is handled internally by USB device peripheral */
268 267
269 /* Clocks */
270 at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
271 at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");
272
273 platform_device_register(&at91_usba_udc_device); 268 platform_device_register(&at91_usba_udc_device);
274} 269}
275#else 270#else
@@ -478,7 +473,6 @@ void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
478 } 473 }
479 474
480 mmc0_data = *data; 475 mmc0_data = *data;
481 at91_clock_associate("mci0_clk", &at91sam9g45_mmc0_device.dev, "mci_clk");
482 platform_device_register(&at91sam9g45_mmc0_device); 476 platform_device_register(&at91sam9g45_mmc0_device);
483 477
484 } else { /* MCI1 */ 478 } else { /* MCI1 */
@@ -504,7 +498,6 @@ void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
504 } 498 }
505 499
506 mmc1_data = *data; 500 mmc1_data = *data;
507 at91_clock_associate("mci1_clk", &at91sam9g45_mmc1_device.dev, "mci_clk");
508 platform_device_register(&at91sam9g45_mmc1_device); 501 platform_device_register(&at91sam9g45_mmc1_device);
509 502
510 } 503 }
@@ -801,7 +794,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
801 at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI0_MOSI */ 794 at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI0_MOSI */
802 at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI0_SPCK */ 795 at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI0_SPCK */
803 796
804 at91_clock_associate("spi0_clk", &at91sam9g45_spi0_device.dev, "spi_clk");
805 platform_device_register(&at91sam9g45_spi0_device); 797 platform_device_register(&at91sam9g45_spi0_device);
806 } 798 }
807 if (enable_spi1) { 799 if (enable_spi1) {
@@ -809,7 +801,6 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
809 at91_set_A_periph(AT91_PIN_PB15, 0); /* SPI1_MOSI */ 801 at91_set_A_periph(AT91_PIN_PB15, 0); /* SPI1_MOSI */
810 at91_set_A_periph(AT91_PIN_PB16, 0); /* SPI1_SPCK */ 802 at91_set_A_periph(AT91_PIN_PB16, 0); /* SPI1_SPCK */
811 803
812 at91_clock_associate("spi1_clk", &at91sam9g45_spi1_device.dev, "spi_clk");
813 platform_device_register(&at91sam9g45_spi1_device); 804 platform_device_register(&at91sam9g45_spi1_device);
814 } 805 }
815} 806}
@@ -999,10 +990,7 @@ static struct platform_device at91sam9g45_tcb1_device = {
999 990
1000static void __init at91_add_device_tc(void) 991static void __init at91_add_device_tc(void)
1001{ 992{
1002 /* this chip has one clock and irq for all six TC channels */
1003 at91_clock_associate("tcb0_clk", &at91sam9g45_tcb0_device.dev, "t0_clk");
1004 platform_device_register(&at91sam9g45_tcb0_device); 993 platform_device_register(&at91sam9g45_tcb0_device);
1005 at91_clock_associate("tcb1_clk", &at91sam9g45_tcb1_device.dev, "t0_clk");
1006 platform_device_register(&at91sam9g45_tcb1_device); 994 platform_device_register(&at91sam9g45_tcb1_device);
1007} 995}
1008#else 996#else
@@ -1286,12 +1274,10 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins)
1286 case AT91SAM9G45_ID_SSC0: 1274 case AT91SAM9G45_ID_SSC0:
1287 pdev = &at91sam9g45_ssc0_device; 1275 pdev = &at91sam9g45_ssc0_device;
1288 configure_ssc0_pins(pins); 1276 configure_ssc0_pins(pins);
1289 at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
1290 break; 1277 break;
1291 case AT91SAM9G45_ID_SSC1: 1278 case AT91SAM9G45_ID_SSC1:
1292 pdev = &at91sam9g45_ssc1_device; 1279 pdev = &at91sam9g45_ssc1_device;
1293 configure_ssc1_pins(pins); 1280 configure_ssc1_pins(pins);
1294 at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
1295 break; 1281 break;
1296 default: 1282 default:
1297 return; 1283 return;
@@ -1533,27 +1519,22 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1533 case 0: /* DBGU */ 1519 case 0: /* DBGU */
1534 pdev = &at91sam9g45_dbgu_device; 1520 pdev = &at91sam9g45_dbgu_device;
1535 configure_dbgu_pins(); 1521 configure_dbgu_pins();
1536 at91_clock_associate("mck", &pdev->dev, "usart");
1537 break; 1522 break;
1538 case AT91SAM9G45_ID_US0: 1523 case AT91SAM9G45_ID_US0:
1539 pdev = &at91sam9g45_uart0_device; 1524 pdev = &at91sam9g45_uart0_device;
1540 configure_usart0_pins(pins); 1525 configure_usart0_pins(pins);
1541 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1542 break; 1526 break;
1543 case AT91SAM9G45_ID_US1: 1527 case AT91SAM9G45_ID_US1:
1544 pdev = &at91sam9g45_uart1_device; 1528 pdev = &at91sam9g45_uart1_device;
1545 configure_usart1_pins(pins); 1529 configure_usart1_pins(pins);
1546 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1547 break; 1530 break;
1548 case AT91SAM9G45_ID_US2: 1531 case AT91SAM9G45_ID_US2:
1549 pdev = &at91sam9g45_uart2_device; 1532 pdev = &at91sam9g45_uart2_device;
1550 configure_usart2_pins(pins); 1533 configure_usart2_pins(pins);
1551 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1552 break; 1534 break;
1553 case AT91SAM9G45_ID_US3: 1535 case AT91SAM9G45_ID_US3:
1554 pdev = &at91sam9g45_uart3_device; 1536 pdev = &at91sam9g45_uart3_device;
1555 configure_usart3_pins(pins); 1537 configure_usart3_pins(pins);
1556 at91_clock_associate("usart3_clk", &pdev->dev, "usart");
1557 break; 1538 break;
1558 default: 1539 default:
1559 return; 1540 return;
@@ -1567,8 +1548,10 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1567 1548
1568void __init at91_set_serial_console(unsigned portnr) 1549void __init at91_set_serial_console(unsigned portnr)
1569{ 1550{
1570 if (portnr < ATMEL_MAX_UART) 1551 if (portnr < ATMEL_MAX_UART) {
1571 atmel_default_console_device = at91_uarts[portnr]; 1552 atmel_default_console_device = at91_uarts[portnr];
1553 at91sam9g45_set_console_clock(portnr);
1554 }
1572} 1555}
1573 1556
1574void __init at91_add_device_serial(void) 1557void __init at91_add_device_serial(void)
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index 67c869783c7e..1a40f16b66c8 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -190,6 +190,24 @@ static struct clk *periph_clocks[] __initdata = {
190 // irq0 190 // irq0
191}; 191};
192 192
193static struct clk_lookup periph_clocks_lookups[] = {
194 CLKDEV_CON_DEV_ID("hclk", "atmel_usba_udc.0", &utmi_clk),
195 CLKDEV_CON_DEV_ID("pclk", "atmel_usba_udc.0", &udphs_clk),
196 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
197 CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
198 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
199 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
200 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
201};
202
203static struct clk_lookup usart_clocks_lookups[] = {
204 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
205 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
206 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
207 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
208 CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk),
209};
210
193/* 211/*
194 * The two programmable clocks. 212 * The two programmable clocks.
195 * You must configure pin multiplexing to bring these signals out. 213 * You must configure pin multiplexing to bring these signals out.
@@ -214,10 +232,27 @@ static void __init at91sam9rl_register_clocks(void)
214 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) 232 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
215 clk_register(periph_clocks[i]); 233 clk_register(periph_clocks[i]);
216 234
235 clkdev_add_table(periph_clocks_lookups,
236 ARRAY_SIZE(periph_clocks_lookups));
237 clkdev_add_table(usart_clocks_lookups,
238 ARRAY_SIZE(usart_clocks_lookups));
239
217 clk_register(&pck0); 240 clk_register(&pck0);
218 clk_register(&pck1); 241 clk_register(&pck1);
219} 242}
220 243
244static struct clk_lookup console_clock_lookup;
245
246void __init at91sam9rl_set_console_clock(int id)
247{
248 if (id >= ARRAY_SIZE(usart_clocks_lookups))
249 return;
250
251 console_clock_lookup.con_id = "usart";
252 console_clock_lookup.clk = usart_clocks_lookups[id].clk;
253 clkdev_add(&console_clock_lookup);
254}
255
221/* -------------------------------------------------------------------- 256/* --------------------------------------------------------------------
222 * GPIO 257 * GPIO
223 * -------------------------------------------------------------------- */ 258 * -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index d194b085848e..c296045f2b6a 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -155,10 +155,6 @@ void __init at91_add_device_usba(struct usba_platform_data *data)
155 155
156 /* Pullup pin is handled internally by USB device peripheral */ 156 /* Pullup pin is handled internally by USB device peripheral */
157 157
158 /* Clocks */
159 at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
160 at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");
161
162 platform_device_register(&at91_usba_udc_device); 158 platform_device_register(&at91_usba_udc_device);
163} 159}
164#else 160#else
@@ -605,10 +601,6 @@ static struct platform_device at91sam9rl_tcb_device = {
605 601
606static void __init at91_add_device_tc(void) 602static void __init at91_add_device_tc(void)
607{ 603{
608 /* this chip has a separate clock and irq for each TC channel */
609 at91_clock_associate("tc0_clk", &at91sam9rl_tcb_device.dev, "t0_clk");
610 at91_clock_associate("tc1_clk", &at91sam9rl_tcb_device.dev, "t1_clk");
611 at91_clock_associate("tc2_clk", &at91sam9rl_tcb_device.dev, "t2_clk");
612 platform_device_register(&at91sam9rl_tcb_device); 604 platform_device_register(&at91sam9rl_tcb_device);
613} 605}
614#else 606#else
@@ -892,12 +884,10 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins)
892 case AT91SAM9RL_ID_SSC0: 884 case AT91SAM9RL_ID_SSC0:
893 pdev = &at91sam9rl_ssc0_device; 885 pdev = &at91sam9rl_ssc0_device;
894 configure_ssc0_pins(pins); 886 configure_ssc0_pins(pins);
895 at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
896 break; 887 break;
897 case AT91SAM9RL_ID_SSC1: 888 case AT91SAM9RL_ID_SSC1:
898 pdev = &at91sam9rl_ssc1_device; 889 pdev = &at91sam9rl_ssc1_device;
899 configure_ssc1_pins(pins); 890 configure_ssc1_pins(pins);
900 at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
901 break; 891 break;
902 default: 892 default:
903 return; 893 return;
@@ -1147,27 +1137,22 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1147 case 0: /* DBGU */ 1137 case 0: /* DBGU */
1148 pdev = &at91sam9rl_dbgu_device; 1138 pdev = &at91sam9rl_dbgu_device;
1149 configure_dbgu_pins(); 1139 configure_dbgu_pins();
1150 at91_clock_associate("mck", &pdev->dev, "usart");
1151 break; 1140 break;
1152 case AT91SAM9RL_ID_US0: 1141 case AT91SAM9RL_ID_US0:
1153 pdev = &at91sam9rl_uart0_device; 1142 pdev = &at91sam9rl_uart0_device;
1154 configure_usart0_pins(pins); 1143 configure_usart0_pins(pins);
1155 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1156 break; 1144 break;
1157 case AT91SAM9RL_ID_US1: 1145 case AT91SAM9RL_ID_US1:
1158 pdev = &at91sam9rl_uart1_device; 1146 pdev = &at91sam9rl_uart1_device;
1159 configure_usart1_pins(pins); 1147 configure_usart1_pins(pins);
1160 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1161 break; 1148 break;
1162 case AT91SAM9RL_ID_US2: 1149 case AT91SAM9RL_ID_US2:
1163 pdev = &at91sam9rl_uart2_device; 1150 pdev = &at91sam9rl_uart2_device;
1164 configure_usart2_pins(pins); 1151 configure_usart2_pins(pins);
1165 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1166 break; 1152 break;
1167 case AT91SAM9RL_ID_US3: 1153 case AT91SAM9RL_ID_US3:
1168 pdev = &at91sam9rl_uart3_device; 1154 pdev = &at91sam9rl_uart3_device;
1169 configure_usart3_pins(pins); 1155 configure_usart3_pins(pins);
1170 at91_clock_associate("usart3_clk", &pdev->dev, "usart");
1171 break; 1156 break;
1172 default: 1157 default:
1173 return; 1158 return;
@@ -1181,8 +1166,10 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1181 1166
1182void __init at91_set_serial_console(unsigned portnr) 1167void __init at91_set_serial_console(unsigned portnr)
1183{ 1168{
1184 if (portnr < ATMEL_MAX_UART) 1169 if (portnr < ATMEL_MAX_UART) {
1185 atmel_default_console_device = at91_uarts[portnr]; 1170 atmel_default_console_device = at91_uarts[portnr];
1171 at91sam9rl_set_console_clock(portnr);
1172 }
1186} 1173}
1187 1174
1188void __init at91_add_device_serial(void) 1175void __init at91_add_device_serial(void)
diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c
index ad3ec85b2790..56ba3bd035ae 100644
--- a/arch/arm/mach-at91/at91x40.c
+++ b/arch/arm/mach-at91/at91x40.c
@@ -37,11 +37,6 @@ unsigned long clk_get_rate(struct clk *clk)
37 return AT91X40_MASTER_CLOCK; 37 return AT91X40_MASTER_CLOCK;
38} 38}
39 39
40struct clk *clk_get(struct device *dev, const char *id)
41{
42 return NULL;
43}
44
45void __init at91x40_initialize(unsigned long main_clock) 40void __init at91x40_initialize(unsigned long main_clock)
46{ 41{
47 at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1) 42 at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1)
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index 9113da6845f1..ac103cbdbf35 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -163,7 +163,7 @@ static struct clk udpck = {
163 .parent = &pllb, 163 .parent = &pllb,
164 .mode = pmc_sys_mode, 164 .mode = pmc_sys_mode,
165}; 165};
166static struct clk utmi_clk = { 166struct clk utmi_clk = {
167 .name = "utmi_clk", 167 .name = "utmi_clk",
168 .parent = &main_clk, 168 .parent = &main_clk,
169 .pmc_mask = AT91_PMC_UPLLEN, /* in CKGR_UCKR */ 169 .pmc_mask = AT91_PMC_UPLLEN, /* in CKGR_UCKR */
@@ -182,7 +182,7 @@ static struct clk uhpck = {
182 * memory, interfaces to on-chip peripherals, the AIC, and sometimes more 182 * memory, interfaces to on-chip peripherals, the AIC, and sometimes more
183 * (e.g baud rate generation). It's sourced from one of the primary clocks. 183 * (e.g baud rate generation). It's sourced from one of the primary clocks.
184 */ 184 */
185static struct clk mck = { 185struct clk mck = {
186 .name = "mck", 186 .name = "mck",
187 .pmc_mask = AT91_PMC_MCKRDY, /* in PMC_SR */ 187 .pmc_mask = AT91_PMC_MCKRDY, /* in PMC_SR */
188}; 188};
@@ -215,43 +215,6 @@ static struct clk __init *at91_css_to_clk(unsigned long css)
215 return NULL; 215 return NULL;
216} 216}
217 217
218/*
219 * Associate a particular clock with a function (eg, "uart") and device.
220 * The drivers can then request the same 'function' with several different
221 * devices and not care about which clock name to use.
222 */
223void __init at91_clock_associate(const char *id, struct device *dev, const char *func)
224{
225 struct clk *clk = clk_get(NULL, id);
226
227 if (!dev || !clk || !IS_ERR(clk_get(dev, func)))
228 return;
229
230 clk->function = func;
231 clk->dev = dev;
232}
233
234/* clocks cannot be de-registered no refcounting necessary */
235struct clk *clk_get(struct device *dev, const char *id)
236{
237 struct clk *clk;
238
239 list_for_each_entry(clk, &clocks, node) {
240 if (strcmp(id, clk->name) == 0)
241 return clk;
242 if (clk->function && (dev == clk->dev) && strcmp(id, clk->function) == 0)
243 return clk;
244 }
245
246 return ERR_PTR(-ENOENT);
247}
248EXPORT_SYMBOL(clk_get);
249
250void clk_put(struct clk *clk)
251{
252}
253EXPORT_SYMBOL(clk_put);
254
255static void __clk_enable(struct clk *clk) 218static void __clk_enable(struct clk *clk)
256{ 219{
257 if (clk->parent) 220 if (clk->parent)
@@ -498,32 +461,38 @@ postcore_initcall(at91_clk_debugfs_init);
498/*------------------------------------------------------------------------*/ 461/*------------------------------------------------------------------------*/
499 462
500/* Register a new clock */ 463/* Register a new clock */
464static void __init at91_clk_add(struct clk *clk)
465{
466 list_add_tail(&clk->node, &clocks);
467
468 clk->cl.con_id = clk->name;
469 clk->cl.clk = clk;
470 clkdev_add(&clk->cl);
471}
472
501int __init clk_register(struct clk *clk) 473int __init clk_register(struct clk *clk)
502{ 474{
503 if (clk_is_peripheral(clk)) { 475 if (clk_is_peripheral(clk)) {
504 if (!clk->parent) 476 if (!clk->parent)
505 clk->parent = &mck; 477 clk->parent = &mck;
506 clk->mode = pmc_periph_mode; 478 clk->mode = pmc_periph_mode;
507 list_add_tail(&clk->node, &clocks);
508 } 479 }
509 else if (clk_is_sys(clk)) { 480 else if (clk_is_sys(clk)) {
510 clk->parent = &mck; 481 clk->parent = &mck;
511 clk->mode = pmc_sys_mode; 482 clk->mode = pmc_sys_mode;
512
513 list_add_tail(&clk->node, &clocks);
514 } 483 }
515#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS 484#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
516 else if (clk_is_programmable(clk)) { 485 else if (clk_is_programmable(clk)) {
517 clk->mode = pmc_sys_mode; 486 clk->mode = pmc_sys_mode;
518 init_programmable_clock(clk); 487 init_programmable_clock(clk);
519 list_add_tail(&clk->node, &clocks);
520 } 488 }
521#endif 489#endif
522 490
491 at91_clk_add(clk);
492
523 return 0; 493 return 0;
524} 494}
525 495
526
527/*------------------------------------------------------------------------*/ 496/*------------------------------------------------------------------------*/
528 497
529static u32 __init at91_pll_rate(struct clk *pll, u32 freq, u32 reg) 498static u32 __init at91_pll_rate(struct clk *pll, u32 freq, u32 reg)
@@ -754,19 +723,19 @@ int __init at91_clock_init(unsigned long main_clock)
754 723
755 /* Register the PMC's standard clocks */ 724 /* Register the PMC's standard clocks */
756 for (i = 0; i < ARRAY_SIZE(standard_pmc_clocks); i++) 725 for (i = 0; i < ARRAY_SIZE(standard_pmc_clocks); i++)
757 list_add_tail(&standard_pmc_clocks[i]->node, &clocks); 726 at91_clk_add(standard_pmc_clocks[i]);
758 727
759 if (cpu_has_pllb()) 728 if (cpu_has_pllb())
760 list_add_tail(&pllb.node, &clocks); 729 at91_clk_add(&pllb);
761 730
762 if (cpu_has_uhp()) 731 if (cpu_has_uhp())
763 list_add_tail(&uhpck.node, &clocks); 732 at91_clk_add(&uhpck);
764 733
765 if (cpu_has_udpfs()) 734 if (cpu_has_udpfs())
766 list_add_tail(&udpck.node, &clocks); 735 at91_clk_add(&udpck);
767 736
768 if (cpu_has_utmi()) 737 if (cpu_has_utmi())
769 list_add_tail(&utmi_clk.node, &clocks); 738 at91_clk_add(&utmi_clk);
770 739
771 /* MCK and CPU clock are "always on" */ 740 /* MCK and CPU clock are "always on" */
772 clk_enable(&mck); 741 clk_enable(&mck);
diff --git a/arch/arm/mach-at91/clock.h b/arch/arm/mach-at91/clock.h
index 6cf4b78e175d..c2e63e47dcbe 100644
--- a/arch/arm/mach-at91/clock.h
+++ b/arch/arm/mach-at91/clock.h
@@ -6,6 +6,8 @@
6 * published by the Free Software Foundation. 6 * published by the Free Software Foundation.
7 */ 7 */
8 8
9#include <linux/clkdev.h>
10
9#define CLK_TYPE_PRIMARY 0x1 11#define CLK_TYPE_PRIMARY 0x1
10#define CLK_TYPE_PLL 0x2 12#define CLK_TYPE_PLL 0x2
11#define CLK_TYPE_PROGRAMMABLE 0x4 13#define CLK_TYPE_PROGRAMMABLE 0x4
@@ -16,8 +18,7 @@
16struct clk { 18struct clk {
17 struct list_head node; 19 struct list_head node;
18 const char *name; /* unique clock name */ 20 const char *name; /* unique clock name */
19 const char *function; /* function of the clock */ 21 struct clk_lookup cl;
20 struct device *dev; /* device associated with function */
21 unsigned long rate_hz; 22 unsigned long rate_hz;
22 struct clk *parent; 23 struct clk *parent;
23 u32 pmc_mask; 24 u32 pmc_mask;
@@ -29,3 +30,18 @@ struct clk {
29 30
30 31
31extern int __init clk_register(struct clk *clk); 32extern int __init clk_register(struct clk *clk);
33extern struct clk mck;
34extern struct clk utmi_clk;
35
36#define CLKDEV_CON_ID(_id, _clk) \
37 { \
38 .con_id = _id, \
39 .clk = _clk, \
40 }
41
42#define CLKDEV_CON_DEV_ID(_con_id, _dev_id, _clk) \
43 { \
44 .con_id = _con_id, \
45 .dev_id = _dev_id, \
46 .clk = _clk, \
47 }
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index 50d46fa9ddb6..ecba94ee520b 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -8,6 +8,8 @@
8 * published by the Free Software Foundation. 8 * published by the Free Software Foundation.
9 */ 9 */
10 10
11#include <linux/clkdev.h>
12
11 /* Map io */ 13 /* Map io */
12extern void __init at91rm9200_map_io(void); 14extern void __init at91rm9200_map_io(void);
13extern void __init at91sam9260_map_io(void); 15extern void __init at91sam9260_map_io(void);
@@ -50,8 +52,20 @@ extern struct sys_timer at91x40_timer;
50 52
51 /* Clocks */ 53 /* Clocks */
52extern int __init at91_clock_init(unsigned long main_clock); 54extern int __init at91_clock_init(unsigned long main_clock);
55/*
56 * function to specify the clock of the default console. As we do not
57 * use the device/driver bus, the dev_name is not intialize. So we need
58 * to link the clock to a specific con_id only "usart"
59 */
60extern void __init at91rm9200_set_console_clock(int id);
61extern void __init at91sam9260_set_console_clock(int id);
62extern void __init at91sam9261_set_console_clock(int id);
63extern void __init at91sam9263_set_console_clock(int id);
64extern void __init at91sam9rl_set_console_clock(int id);
65extern void __init at91sam9g45_set_console_clock(int id);
66extern void __init at91cap9_set_console_clock(int id);
67extern void __init at572d940hf_set_console_clock(int id);
53struct device; 68struct device;
54extern void __init at91_clock_associate(const char *id, struct device *dev, const char *func);
55 69
56 /* Power Management */ 70 /* Power Management */
57extern void at91_irq_suspend(void); 71extern void at91_irq_suspend(void);
diff --git a/arch/arm/mach-at91/include/mach/clkdev.h b/arch/arm/mach-at91/include/mach/clkdev.h
new file mode 100644
index 000000000000..04b37a89801c
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/clkdev.h
@@ -0,0 +1,7 @@
1#ifndef __ASM_MACH_CLKDEV_H
2#define __ASM_MACH_CLKDEV_H
3
4#define __clk_get(clk) ({ 1; })
5#define __clk_put(clk) do { } while (0)
6
7#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-31 12:18:10 -0500