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-rw-r--r--arch/arm/boot/dts/at91sam9260.dtsi10
-rw-r--r--arch/arm/boot/dts/at91sam9263.dtsi10
-rw-r--r--arch/arm/boot/dts/at91sam9g20.dtsi4
-rw-r--r--arch/arm/boot/dts/at91sam9g25ek.dts12
-rw-r--r--arch/arm/boot/dts/at91sam9g45.dtsi20
-rw-r--r--arch/arm/boot/dts/at91sam9m10g45ek.dts8
-rw-r--r--arch/arm/boot/dts/at91sam9n12.dtsi20
-rw-r--r--arch/arm/boot/dts/at91sam9n12ek.dts8
-rw-r--r--arch/arm/boot/dts/at91sam9x5.dtsi30
-rw-r--r--arch/arm/boot/dts/imx28.dtsi2
-rw-r--r--arch/arm/mach-at91/at91rm9200.c1
-rw-r--r--arch/arm/mach-at91/at91rm9200_devices.c2
-rw-r--r--arch/arm/mach-at91/at91sam9260.c3
-rw-r--r--arch/arm/mach-at91/at91sam9260_devices.c8
-rw-r--r--arch/arm/mach-at91/at91sam9261.c2
-rw-r--r--arch/arm/mach-at91/at91sam9261_devices.c14
-rw-r--r--arch/arm/mach-at91/at91sam9263.c2
-rw-r--r--arch/arm/mach-at91/at91sam9263_devices.c2
-rw-r--r--arch/arm/mach-at91/at91sam9g45.c4
-rw-r--r--arch/arm/mach-at91/at91sam9g45_devices.c10
-rw-r--r--arch/arm/mach-at91/at91sam9n12.c2
-rw-r--r--arch/arm/mach-at91/at91sam9rl.c2
-rw-r--r--arch/arm/mach-at91/at91sam9rl_devices.c2
-rw-r--r--arch/arm/mach-at91/at91sam9x5.c3
-rw-r--r--arch/arm/mach-at91/include/mach/at91_twi.h68
-rw-r--r--arch/arm/plat-omap/i2c.c21
26 files changed, 165 insertions, 105 deletions
diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index 7c95f76398de..d410581a5a85 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -28,6 +28,7 @@
28 gpio2 = &pioC; 28 gpio2 = &pioC;
29 tcb0 = &tcb0; 29 tcb0 = &tcb0;
30 tcb1 = &tcb1; 30 tcb1 = &tcb1;
31 i2c0 = &i2c0;
31 }; 32 };
32 cpus { 33 cpus {
33 cpu@0 { 34 cpu@0 {
@@ -202,6 +203,15 @@
202 status = "disabled"; 203 status = "disabled";
203 }; 204 };
204 205
206 i2c0: i2c@fffac000 {
207 compatible = "atmel,at91sam9260-i2c";
208 reg = <0xfffac000 0x100>;
209 interrupts = <11 4 6>;
210 #address-cells = <1>;
211 #size-cells = <0>;
212 status = "disabled";
213 };
214
205 adc0: adc@fffe0000 { 215 adc0: adc@fffe0000 {
206 compatible = "atmel,at91sam9260-adc"; 216 compatible = "atmel,at91sam9260-adc";
207 reg = <0xfffe0000 0x100>; 217 reg = <0xfffe0000 0x100>;
diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi
index 195019b7ca0e..3e6e5c1abbf3 100644
--- a/arch/arm/boot/dts/at91sam9263.dtsi
+++ b/arch/arm/boot/dts/at91sam9263.dtsi
@@ -24,6 +24,7 @@
24 gpio3 = &pioD; 24 gpio3 = &pioD;
25 gpio4 = &pioE; 25 gpio4 = &pioE;
26 tcb0 = &tcb0; 26 tcb0 = &tcb0;
27 i2c0 = &i2c0;
27 }; 28 };
28 cpus { 29 cpus {
29 cpu@0 { 30 cpu@0 {
@@ -185,6 +186,15 @@
185 interrupts = <24 4 2>; 186 interrupts = <24 4 2>;
186 status = "disabled"; 187 status = "disabled";
187 }; 188 };
189
190 i2c0: i2c@fff88000 {
191 compatible = "atmel,at91sam9263-i2c";
192 reg = <0xfff88000 0x100>;
193 interrupts = <13 4 6>;
194 #address-cells = <1>;
195 #size-cells = <0>;
196 status = "disabled";
197 };
188 }; 198 };
189 199
190 nand0: nand@40000000 { 200 nand0: nand@40000000 {
diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi
index 2a1d1ca8bd86..75ce6e760016 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi
@@ -18,6 +18,10 @@
18 18
19 ahb { 19 ahb {
20 apb { 20 apb {
21 i2c0: i2c@fffac000 {
22 compatible = "atmel,at91sam9g20-i2c";
23 };
24
21 adc0: adc@fffe0000 { 25 adc0: adc@fffe0000 {
22 atmel,adc-startup-time = <40>; 26 atmel,adc-startup-time = <40>;
23 }; 27 };
diff --git a/arch/arm/boot/dts/at91sam9g25ek.dts b/arch/arm/boot/dts/at91sam9g25ek.dts
index 96514c134e54..877c08f06763 100644
--- a/arch/arm/boot/dts/at91sam9g25ek.dts
+++ b/arch/arm/boot/dts/at91sam9g25ek.dts
@@ -32,6 +32,18 @@
32 phy-mode = "rmii"; 32 phy-mode = "rmii";
33 status = "okay"; 33 status = "okay";
34 }; 34 };
35
36 i2c0: i2c@f8010000 {
37 status = "okay";
38 };
39
40 i2c1: i2c@f8014000 {
41 status = "okay";
42 };
43
44 i2c2: i2c@f8018000 {
45 status = "okay";
46 };
35 }; 47 };
36 48
37 usb0: ohci@00600000 { 49 usb0: ohci@00600000 {
diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
index 63751b1e744b..3add030d61f8 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi
@@ -29,6 +29,8 @@
29 gpio4 = &pioE; 29 gpio4 = &pioE;
30 tcb0 = &tcb0; 30 tcb0 = &tcb0;
31 tcb1 = &tcb1; 31 tcb1 = &tcb1;
32 i2c0 = &i2c0;
33 i2c1 = &i2c1;
32 }; 34 };
33 cpus { 35 cpus {
34 cpu@0 { 36 cpu@0 {
@@ -206,6 +208,24 @@
206 status = "disabled"; 208 status = "disabled";
207 }; 209 };
208 210
211 i2c0: i2c@fff84000 {
212 compatible = "atmel,at91sam9g10-i2c";
213 reg = <0xfff84000 0x100>;
214 interrupts = <12 4 6>;
215 #address-cells = <1>;
216 #size-cells = <0>;
217 status = "disabled";
218 };
219
220 i2c1: i2c@fff88000 {
221 compatible = "atmel,at91sam9g10-i2c";
222 reg = <0xfff88000 0x100>;
223 interrupts = <13 4 6>;
224 #address-cells = <1>;
225 #size-cells = <0>;
226 status = "disabled";
227 };
228
209 adc0: adc@fffb0000 { 229 adc0: adc@fffb0000 {
210 compatible = "atmel,at91sam9260-adc"; 230 compatible = "atmel,at91sam9260-adc";
211 reg = <0xfffb0000 0x100>; 231 reg = <0xfffb0000 0x100>;
diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts
index a3633bd13111..15e1dd43f625 100644
--- a/arch/arm/boot/dts/at91sam9m10g45ek.dts
+++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts
@@ -46,6 +46,14 @@
46 phy-mode = "rmii"; 46 phy-mode = "rmii";
47 status = "okay"; 47 status = "okay";
48 }; 48 };
49
50 i2c0: i2c@fff84000 {
51 status = "okay";
52 };
53
54 i2c1: i2c@fff88000 {
55 status = "okay";
56 };
49 }; 57 };
50 58
51 nand0: nand@40000000 { 59 nand0: nand@40000000 {
diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index ef9336ae9614..82508d68aa7e 100644
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -26,6 +26,8 @@
26 gpio3 = &pioD; 26 gpio3 = &pioD;
27 tcb0 = &tcb0; 27 tcb0 = &tcb0;
28 tcb1 = &tcb1; 28 tcb1 = &tcb1;
29 i2c0 = &i2c0;
30 i2c1 = &i2c1;
29 }; 31 };
30 cpus { 32 cpus {
31 cpu@0 { 33 cpu@0 {
@@ -182,6 +184,24 @@
182 atmel,use-dma-tx; 184 atmel,use-dma-tx;
183 status = "disabled"; 185 status = "disabled";
184 }; 186 };
187
188 i2c0: i2c@f8010000 {
189 compatible = "atmel,at91sam9x5-i2c";
190 reg = <0xf8010000 0x100>;
191 interrupts = <9 4 6>;
192 #address-cells = <1>;
193 #size-cells = <0>;
194 status = "disabled";
195 };
196
197 i2c1: i2c@f8014000 {
198 compatible = "atmel,at91sam9x5-i2c";
199 reg = <0xf8014000 0x100>;
200 interrupts = <10 4 6>;
201 #address-cells = <1>;
202 #size-cells = <0>;
203 status = "disabled";
204 };
185 }; 205 };
186 206
187 nand0: nand@40000000 { 207 nand0: nand@40000000 {
diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts
index f4e43e38f3a1..912b2c283d6f 100644
--- a/arch/arm/boot/dts/at91sam9n12ek.dts
+++ b/arch/arm/boot/dts/at91sam9n12ek.dts
@@ -37,6 +37,14 @@
37 dbgu: serial@fffff200 { 37 dbgu: serial@fffff200 {
38 status = "okay"; 38 status = "okay";
39 }; 39 };
40
41 i2c0: i2c@f8010000 {
42 status = "okay";
43 };
44
45 i2c1: i2c@f8014000 {
46 status = "okay";
47 };
40 }; 48 };
41 49
42 nand0: nand@40000000 { 50 nand0: nand@40000000 {
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index 8a387a8d61b7..03fc136421c5 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -27,6 +27,9 @@
27 gpio3 = &pioD; 27 gpio3 = &pioD;
28 tcb0 = &tcb0; 28 tcb0 = &tcb0;
29 tcb1 = &tcb1; 29 tcb1 = &tcb1;
30 i2c0 = &i2c0;
31 i2c1 = &i2c1;
32 i2c2 = &i2c2;
30 }; 33 };
31 cpus { 34 cpus {
32 cpu@0 { 35 cpu@0 {
@@ -196,6 +199,33 @@
196 status = "disabled"; 199 status = "disabled";
197 }; 200 };
198 201
202 i2c0: i2c@f8010000 {
203 compatible = "atmel,at91sam9x5-i2c";
204 reg = <0xf8010000 0x100>;
205 interrupts = <9 4 6>;
206 #address-cells = <1>;
207 #size-cells = <0>;
208 status = "disabled";
209 };
210
211 i2c1: i2c@f8014000 {
212 compatible = "atmel,at91sam9x5-i2c";
213 reg = <0xf8014000 0x100>;
214 interrupts = <10 4 6>;
215 #address-cells = <1>;
216 #size-cells = <0>;
217 status = "disabled";
218 };
219
220 i2c2: i2c@f8018000 {
221 compatible = "atmel,at91sam9x5-i2c";
222 reg = <0xf8018000 0x100>;
223 interrupts = <11 4 6>;
224 #address-cells = <1>;
225 #size-cells = <0>;
226 status = "disabled";
227 };
228
199 adc0: adc@f804c000 { 229 adc0: adc@f804c000 {
200 compatible = "atmel,at91sam9260-adc"; 230 compatible = "atmel,at91sam9260-adc";
201 reg = <0xf804c000 0x100>; 231 reg = <0xf804c000 0x100>;
diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 59fbfba23df8..e16d63155480 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -764,6 +764,7 @@
764 reg = <0x80058000 0x2000>; 764 reg = <0x80058000 0x2000>;
765 interrupts = <111 68>; 765 interrupts = <111 68>;
766 clock-frequency = <100000>; 766 clock-frequency = <100000>;
767 fsl,i2c-dma-channel = <6>;
767 status = "disabled"; 768 status = "disabled";
768 }; 769 };
769 770
@@ -774,6 +775,7 @@
774 reg = <0x8005a000 0x2000>; 775 reg = <0x8005a000 0x2000>;
775 interrupts = <110 69>; 776 interrupts = <110 69>;
776 clock-frequency = <100000>; 777 clock-frequency = <100000>;
778 fsl,i2c-dma-channel = <7>;
777 status = "disabled"; 779 status = "disabled";
778 }; 780 };
779 781
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 6f50c6722276..b4f0565aff63 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -187,6 +187,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
187 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk), 187 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
188 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), 188 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
189 CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk), 189 CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
190 CLKDEV_CON_DEV_ID(NULL, "i2c-at91rm9200", &twi_clk),
190 /* fake hclk clock */ 191 /* fake hclk clock */
191 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk), 192 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
192 CLKDEV_CON_ID("pioA", &pioA_clk), 193 CLKDEV_CON_ID("pioA", &pioA_clk),
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 9ac427a702da..a563189cdfc3 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -511,7 +511,7 @@ static struct resource twi_resources[] = {
511}; 511};
512 512
513static struct platform_device at91rm9200_twi_device = { 513static struct platform_device at91rm9200_twi_device = {
514 .name = "at91_i2c", 514 .name = "i2c-at91rm9200",
515 .id = -1, 515 .id = -1,
516 .resource = twi_resources, 516 .resource = twi_resources,
517 .num_resources = ARRAY_SIZE(twi_resources), 517 .num_resources = ARRAY_SIZE(twi_resources),
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 30c7f26a4668..ad29f93f20ca 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -211,6 +211,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
211 CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk), 211 CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk),
212 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk), 212 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk),
213 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk), 213 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk),
214 CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9260", &twi_clk),
215 CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g20", &twi_clk),
214 /* more usart lookup table for DT entries */ 216 /* more usart lookup table for DT entries */
215 CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck), 217 CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
216 CLKDEV_CON_DEV_ID("usart", "fffb0000.serial", &usart0_clk), 218 CLKDEV_CON_DEV_ID("usart", "fffb0000.serial", &usart0_clk),
@@ -219,6 +221,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
219 CLKDEV_CON_DEV_ID("usart", "fffd0000.serial", &usart3_clk), 221 CLKDEV_CON_DEV_ID("usart", "fffd0000.serial", &usart3_clk),
220 CLKDEV_CON_DEV_ID("usart", "fffd4000.serial", &usart4_clk), 222 CLKDEV_CON_DEV_ID("usart", "fffd4000.serial", &usart4_clk),
221 CLKDEV_CON_DEV_ID("usart", "fffd8000.serial", &usart5_clk), 223 CLKDEV_CON_DEV_ID("usart", "fffd8000.serial", &usart5_clk),
224 CLKDEV_CON_DEV_ID(NULL, "fffac000.i2c", &twi_clk),
222 /* more tc lookup table for DT entries */ 225 /* more tc lookup table for DT entries */
223 CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk), 226 CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk),
224 CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk), 227 CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk),
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index af50ff3281c7..a76b8684f52d 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -421,7 +421,6 @@ static struct resource twi_resources[] = {
421}; 421};
422 422
423static struct platform_device at91sam9260_twi_device = { 423static struct platform_device at91sam9260_twi_device = {
424 .name = "at91_i2c",
425 .id = -1, 424 .id = -1,
426 .resource = twi_resources, 425 .resource = twi_resources,
427 .num_resources = ARRAY_SIZE(twi_resources), 426 .num_resources = ARRAY_SIZE(twi_resources),
@@ -429,6 +428,13 @@ static struct platform_device at91sam9260_twi_device = {
429 428
430void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) 429void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
431{ 430{
431 /* IP version is not the same on 9260 and g20 */
432 if (cpu_is_at91sam9g20()) {
433 at91sam9260_twi_device.name = "i2c-at91sam9g20";
434 } else {
435 at91sam9260_twi_device.name = "i2c-at91sam9260";
436 }
437
432 /* pins used for TWI interface */ 438 /* pins used for TWI interface */
433 at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */ 439 at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */
434 at91_set_multi_drive(AT91_PIN_PA23, 1); 440 at91_set_multi_drive(AT91_PIN_PA23, 1);
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index f40762c5fede..8d999eb1a137 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -178,6 +178,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
178 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), 178 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
179 CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk), 179 CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
180 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &hck0), 180 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &hck0),
181 CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9261", &twi_clk),
182 CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g10", &twi_clk),
181 CLKDEV_CON_ID("pioA", &pioA_clk), 183 CLKDEV_CON_ID("pioA", &pioA_clk),
182 CLKDEV_CON_ID("pioB", &pioB_clk), 184 CLKDEV_CON_ID("pioB", &pioB_clk),
183 CLKDEV_CON_ID("pioC", &pioC_clk), 185 CLKDEV_CON_ID("pioC", &pioC_clk),
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 11e9fa835cde..9752f17efba9 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -317,7 +317,6 @@ static struct resource twi_resources[] = {
317}; 317};
318 318
319static struct platform_device at91sam9261_twi_device = { 319static struct platform_device at91sam9261_twi_device = {
320 .name = "at91_i2c",
321 .id = -1, 320 .id = -1,
322 .resource = twi_resources, 321 .resource = twi_resources,
323 .num_resources = ARRAY_SIZE(twi_resources), 322 .num_resources = ARRAY_SIZE(twi_resources),
@@ -325,12 +324,19 @@ static struct platform_device at91sam9261_twi_device = {
325 324
326void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) 325void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
327{ 326{
327 /* IP version is not the same on 9261 and g10 */
328 if (cpu_is_at91sam9g10()) {
329 at91sam9261_twi_device.name = "i2c-at91sam9g10";
330 /* I2C PIO must not be configured as open-drain on this chip */
331 } else {
332 at91sam9261_twi_device.name = "i2c-at91sam9261";
333 at91_set_multi_drive(AT91_PIN_PA7, 1);
334 at91_set_multi_drive(AT91_PIN_PA8, 1);
335 }
336
328 /* pins used for TWI interface */ 337 /* pins used for TWI interface */
329 at91_set_A_periph(AT91_PIN_PA7, 0); /* TWD */ 338 at91_set_A_periph(AT91_PIN_PA7, 0); /* TWD */
330 at91_set_multi_drive(AT91_PIN_PA7, 1);
331
332 at91_set_A_periph(AT91_PIN_PA8, 0); /* TWCK */ 339 at91_set_A_periph(AT91_PIN_PA8, 0); /* TWCK */
333 at91_set_multi_drive(AT91_PIN_PA8, 1);
334 340
335 i2c_register_board_info(0, devices, nr_devices); 341 i2c_register_board_info(0, devices, nr_devices);
336 platform_device_register(&at91sam9261_twi_device); 342 platform_device_register(&at91sam9261_twi_device);
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index 144ef5de51b6..6a01d0360dfb 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -193,6 +193,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
193 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk), 193 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
194 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk), 194 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
195 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk), 195 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk),
196 CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9260", &twi_clk),
196 /* fake hclk clock */ 197 /* fake hclk clock */
197 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk), 198 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
198 CLKDEV_CON_ID("pioA", &pioA_clk), 199 CLKDEV_CON_ID("pioA", &pioA_clk),
@@ -210,6 +211,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
210 CLKDEV_CON_DEV_ID("hclk", "a00000.ohci", &ohci_clk), 211 CLKDEV_CON_DEV_ID("hclk", "a00000.ohci", &ohci_clk),
211 CLKDEV_CON_DEV_ID("spi_clk", "fffa4000.spi", &spi0_clk), 212 CLKDEV_CON_DEV_ID("spi_clk", "fffa4000.spi", &spi0_clk),
212 CLKDEV_CON_DEV_ID("spi_clk", "fffa8000.spi", &spi1_clk), 213 CLKDEV_CON_DEV_ID("spi_clk", "fffa8000.spi", &spi1_clk),
214 CLKDEV_CON_DEV_ID(NULL, "fff88000.i2c", &twi_clk),
213}; 215};
214 216
215static struct clk_lookup usart_clocks_lookups[] = { 217static struct clk_lookup usart_clocks_lookups[] = {
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 7c0898fe20fa..8dde220b42b6 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -599,7 +599,7 @@ static struct resource twi_resources[] = {
599}; 599};
600 600
601static struct platform_device at91sam9263_twi_device = { 601static struct platform_device at91sam9263_twi_device = {
602 .name = "at91_i2c", 602 .name = "i2c-at91sam9260",
603 .id = -1, 603 .id = -1,
604 .resource = twi_resources, 604 .resource = twi_resources,
605 .num_resources = ARRAY_SIZE(twi_resources), 605 .num_resources = ARRAY_SIZE(twi_resources),
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index ef6cedd52e3c..84af1b506d92 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -237,6 +237,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
237 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk), 237 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
238 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb0_clk), 238 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb0_clk),
239 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tcb0_clk), 239 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tcb0_clk),
240 CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g10.0", &twi0_clk),
241 CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g10.1", &twi1_clk),
240 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk), 242 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
241 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), 243 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
242 CLKDEV_CON_DEV_ID(NULL, "atmel-trng", &trng_clk), 244 CLKDEV_CON_DEV_ID(NULL, "atmel-trng", &trng_clk),
@@ -254,6 +256,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
254 CLKDEV_CON_DEV_ID("t0_clk", "fffd4000.timer", &tcb0_clk), 256 CLKDEV_CON_DEV_ID("t0_clk", "fffd4000.timer", &tcb0_clk),
255 CLKDEV_CON_DEV_ID("hclk", "700000.ohci", &uhphs_clk), 257 CLKDEV_CON_DEV_ID("hclk", "700000.ohci", &uhphs_clk),
256 CLKDEV_CON_DEV_ID("ehci_clk", "800000.ehci", &uhphs_clk), 258 CLKDEV_CON_DEV_ID("ehci_clk", "800000.ehci", &uhphs_clk),
259 CLKDEV_CON_DEV_ID(NULL, "fff84000.i2c", &twi0_clk),
260 CLKDEV_CON_DEV_ID(NULL, "fff88000.i2c", &twi1_clk),
257 /* fake hclk clock */ 261 /* fake hclk clock */
258 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &uhphs_clk), 262 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &uhphs_clk),
259 CLKDEV_CON_ID("pioA", &pioA_clk), 263 CLKDEV_CON_ID("pioA", &pioA_clk),
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index e4c3b3709204..b1596072dcc2 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -653,7 +653,7 @@ static struct resource twi0_resources[] = {
653}; 653};
654 654
655static struct platform_device at91sam9g45_twi0_device = { 655static struct platform_device at91sam9g45_twi0_device = {
656 .name = "at91_i2c", 656 .name = "i2c-at91sam9g10",
657 .id = 0, 657 .id = 0,
658 .resource = twi0_resources, 658 .resource = twi0_resources,
659 .num_resources = ARRAY_SIZE(twi0_resources), 659 .num_resources = ARRAY_SIZE(twi0_resources),
@@ -673,7 +673,7 @@ static struct resource twi1_resources[] = {
673}; 673};
674 674
675static struct platform_device at91sam9g45_twi1_device = { 675static struct platform_device at91sam9g45_twi1_device = {
676 .name = "at91_i2c", 676 .name = "i2c-at91sam9g10",
677 .id = 1, 677 .id = 1,
678 .resource = twi1_resources, 678 .resource = twi1_resources,
679 .num_resources = ARRAY_SIZE(twi1_resources), 679 .num_resources = ARRAY_SIZE(twi1_resources),
@@ -686,18 +686,12 @@ void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, in
686 /* pins used for TWI interface */ 686 /* pins used for TWI interface */
687 if (i2c_id == 0) { 687 if (i2c_id == 0) {
688 at91_set_A_periph(AT91_PIN_PA20, 0); /* TWD */ 688 at91_set_A_periph(AT91_PIN_PA20, 0); /* TWD */
689 at91_set_multi_drive(AT91_PIN_PA20, 1);
690
691 at91_set_A_periph(AT91_PIN_PA21, 0); /* TWCK */ 689 at91_set_A_periph(AT91_PIN_PA21, 0); /* TWCK */
692 at91_set_multi_drive(AT91_PIN_PA21, 1);
693 690
694 platform_device_register(&at91sam9g45_twi0_device); 691 platform_device_register(&at91sam9g45_twi0_device);
695 } else { 692 } else {
696 at91_set_A_periph(AT91_PIN_PB10, 0); /* TWD */ 693 at91_set_A_periph(AT91_PIN_PB10, 0); /* TWD */
697 at91_set_multi_drive(AT91_PIN_PB10, 1);
698
699 at91_set_A_periph(AT91_PIN_PB11, 0); /* TWCK */ 694 at91_set_A_periph(AT91_PIN_PB11, 0); /* TWCK */
700 at91_set_multi_drive(AT91_PIN_PB11, 1);
701 695
702 platform_device_register(&at91sam9g45_twi1_device); 696 platform_device_register(&at91sam9g45_twi1_device);
703 } 697 }
diff --git a/arch/arm/mach-at91/at91sam9n12.c b/arch/arm/mach-at91/at91sam9n12.c
index 08494664ab78..732d3d3f4ec5 100644
--- a/arch/arm/mach-at91/at91sam9n12.c
+++ b/arch/arm/mach-at91/at91sam9n12.c
@@ -169,6 +169,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
169 CLKDEV_CON_DEV_ID("t0_clk", "f8008000.timer", &tcb_clk), 169 CLKDEV_CON_DEV_ID("t0_clk", "f8008000.timer", &tcb_clk),
170 CLKDEV_CON_DEV_ID("t0_clk", "f800c000.timer", &tcb_clk), 170 CLKDEV_CON_DEV_ID("t0_clk", "f800c000.timer", &tcb_clk),
171 CLKDEV_CON_DEV_ID("dma_clk", "ffffec00.dma-controller", &dma_clk), 171 CLKDEV_CON_DEV_ID("dma_clk", "ffffec00.dma-controller", &dma_clk),
172 CLKDEV_CON_DEV_ID(NULL, "f8010000.i2c", &twi0_clk),
173 CLKDEV_CON_DEV_ID(NULL, "f8014000.i2c", &twi1_clk),
172 CLKDEV_CON_ID("pioA", &pioAB_clk), 174 CLKDEV_CON_ID("pioA", &pioAB_clk),
173 CLKDEV_CON_ID("pioB", &pioAB_clk), 175 CLKDEV_CON_ID("pioB", &pioAB_clk),
174 CLKDEV_CON_ID("pioC", &pioCD_clk), 176 CLKDEV_CON_ID("pioC", &pioCD_clk),
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index 72ce50a50de5..72e908412222 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -186,6 +186,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
186 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk), 186 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
187 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk), 187 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
188 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), 188 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
189 CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g20.0", &twi0_clk),
190 CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g20.1", &twi1_clk),
189 CLKDEV_CON_ID("pioA", &pioA_clk), 191 CLKDEV_CON_ID("pioA", &pioA_clk),
190 CLKDEV_CON_ID("pioB", &pioB_clk), 192 CLKDEV_CON_ID("pioB", &pioB_clk),
191 CLKDEV_CON_ID("pioC", &pioC_clk), 193 CLKDEV_CON_ID("pioC", &pioC_clk),
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index deafea0e493d..d6ca0543ce8d 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -346,7 +346,7 @@ static struct resource twi_resources[] = {
346}; 346};
347 347
348static struct platform_device at91sam9rl_twi_device = { 348static struct platform_device at91sam9rl_twi_device = {
349 .name = "at91_i2c", 349 .name = "i2c-at91sam9g20",
350 .id = -1, 350 .id = -1,
351 .resource = twi_resources, 351 .resource = twi_resources,
352 .num_resources = ARRAY_SIZE(twi_resources), 352 .num_resources = ARRAY_SIZE(twi_resources),
diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c
index 477cf9d06672..e5035380dcbc 100644
--- a/arch/arm/mach-at91/at91sam9x5.c
+++ b/arch/arm/mach-at91/at91sam9x5.c
@@ -231,6 +231,9 @@ static struct clk_lookup periph_clocks_lookups[] = {
231 CLKDEV_CON_DEV_ID("t0_clk", "f800c000.timer", &tcb0_clk), 231 CLKDEV_CON_DEV_ID("t0_clk", "f800c000.timer", &tcb0_clk),
232 CLKDEV_CON_DEV_ID("dma_clk", "ffffec00.dma-controller", &dma0_clk), 232 CLKDEV_CON_DEV_ID("dma_clk", "ffffec00.dma-controller", &dma0_clk),
233 CLKDEV_CON_DEV_ID("dma_clk", "ffffee00.dma-controller", &dma1_clk), 233 CLKDEV_CON_DEV_ID("dma_clk", "ffffee00.dma-controller", &dma1_clk),
234 CLKDEV_CON_DEV_ID(NULL, "f8010000.i2c", &twi0_clk),
235 CLKDEV_CON_DEV_ID(NULL, "f8014000.i2c", &twi1_clk),
236 CLKDEV_CON_DEV_ID(NULL, "f8018000.i2c", &twi2_clk),
234 CLKDEV_CON_ID("pioA", &pioAB_clk), 237 CLKDEV_CON_ID("pioA", &pioAB_clk),
235 CLKDEV_CON_ID("pioB", &pioAB_clk), 238 CLKDEV_CON_ID("pioB", &pioAB_clk),
236 CLKDEV_CON_ID("pioC", &pioCD_clk), 239 CLKDEV_CON_ID("pioC", &pioCD_clk),
diff --git a/arch/arm/mach-at91/include/mach/at91_twi.h b/arch/arm/mach-at91/include/mach/at91_twi.h
deleted file mode 100644
index bb2880f6ba37..000000000000
--- a/arch/arm/mach-at91/include/mach/at91_twi.h
+++ /dev/null
@@ -1,68 +0,0 @@
1/*
2 * arch/arm/mach-at91/include/mach/at91_twi.h
3 *
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
6 *
7 * Two-wire Interface (TWI) registers.
8 * Based on AT91RM9200 datasheet revision E.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
16#ifndef AT91_TWI_H
17#define AT91_TWI_H
18
19#define AT91_TWI_CR 0x00 /* Control Register */
20#define AT91_TWI_START (1 << 0) /* Send a Start Condition */
21#define AT91_TWI_STOP (1 << 1) /* Send a Stop Condition */
22#define AT91_TWI_MSEN (1 << 2) /* Master Transfer Enable */
23#define AT91_TWI_MSDIS (1 << 3) /* Master Transfer Disable */
24#define AT91_TWI_SVEN (1 << 4) /* Slave Transfer Enable [SAM9260 only] */
25#define AT91_TWI_SVDIS (1 << 5) /* Slave Transfer Disable [SAM9260 only] */
26#define AT91_TWI_SWRST (1 << 7) /* Software Reset */
27
28#define AT91_TWI_MMR 0x04 /* Master Mode Register */
29#define AT91_TWI_IADRSZ (3 << 8) /* Internal Device Address Size */
30#define AT91_TWI_IADRSZ_NO (0 << 8)
31#define AT91_TWI_IADRSZ_1 (1 << 8)
32#define AT91_TWI_IADRSZ_2 (2 << 8)
33#define AT91_TWI_IADRSZ_3 (3 << 8)
34#define AT91_TWI_MREAD (1 << 12) /* Master Read Direction */
35#define AT91_TWI_DADR (0x7f << 16) /* Device Address */
36
37#define AT91_TWI_SMR 0x08 /* Slave Mode Register [SAM9260 only] */
38#define AT91_TWI_SADR (0x7f << 16) /* Slave Address */
39
40#define AT91_TWI_IADR 0x0c /* Internal Address Register */
41
42#define AT91_TWI_CWGR 0x10 /* Clock Waveform Generator Register */
43#define AT91_TWI_CLDIV (0xff << 0) /* Clock Low Divisor */
44#define AT91_TWI_CHDIV (0xff << 8) /* Clock High Divisor */
45#define AT91_TWI_CKDIV (7 << 16) /* Clock Divider */
46
47#define AT91_TWI_SR 0x20 /* Status Register */
48#define AT91_TWI_TXCOMP (1 << 0) /* Transmission Complete */
49#define AT91_TWI_RXRDY (1 << 1) /* Receive Holding Register Ready */
50#define AT91_TWI_TXRDY (1 << 2) /* Transmit Holding Register Ready */
51#define AT91_TWI_SVREAD (1 << 3) /* Slave Read [SAM9260 only] */
52#define AT91_TWI_SVACC (1 << 4) /* Slave Access [SAM9260 only] */
53#define AT91_TWI_GACC (1 << 5) /* General Call Access [SAM9260 only] */
54#define AT91_TWI_OVRE (1 << 6) /* Overrun Error [AT91RM9200 only] */
55#define AT91_TWI_UNRE (1 << 7) /* Underrun Error [AT91RM9200 only] */
56#define AT91_TWI_NACK (1 << 8) /* Not Acknowledged */
57#define AT91_TWI_ARBLST (1 << 9) /* Arbitration Lost [SAM9260 only] */
58#define AT91_TWI_SCLWS (1 << 10) /* Clock Wait State [SAM9260 only] */
59#define AT91_TWI_EOSACC (1 << 11) /* End of Slave Address [SAM9260 only] */
60
61#define AT91_TWI_IER 0x24 /* Interrupt Enable Register */
62#define AT91_TWI_IDR 0x28 /* Interrupt Disable Register */
63#define AT91_TWI_IMR 0x2c /* Interrupt Mask Register */
64#define AT91_TWI_RHR 0x30 /* Receive Holding Register */
65#define AT91_TWI_THR 0x34 /* Transmit Holding Register */
66
67#endif
68
diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index 6013831a043e..a5683a84c6ee 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -26,14 +26,12 @@
26#include <linux/kernel.h> 26#include <linux/kernel.h>
27#include <linux/platform_device.h> 27#include <linux/platform_device.h>
28#include <linux/i2c.h> 28#include <linux/i2c.h>
29#include <linux/i2c-omap.h>
30#include <linux/slab.h> 29#include <linux/slab.h>
31#include <linux/err.h> 30#include <linux/err.h>
32#include <linux/clk.h> 31#include <linux/clk.h>
33 32
34#include <mach/irqs.h> 33#include <mach/irqs.h>
35#include <plat/i2c.h> 34#include <plat/i2c.h>
36#include <plat/omap-pm.h>
37#include <plat/omap_device.h> 35#include <plat/omap_device.h>
38 36
39#define OMAP_I2C_SIZE 0x3f 37#define OMAP_I2C_SIZE 0x3f
@@ -129,16 +127,6 @@ static inline int omap1_i2c_add_bus(int bus_id)
129 127
130 128
131#ifdef CONFIG_ARCH_OMAP2PLUS 129#ifdef CONFIG_ARCH_OMAP2PLUS
132/*
133 * XXX This function is a temporary compatibility wrapper - only
134 * needed until the I2C driver can be converted to call
135 * omap_pm_set_max_dev_wakeup_lat() and handle a return code.
136 */
137static void omap_pm_set_max_mpu_wakeup_lat_compat(struct device *dev, long t)
138{
139 omap_pm_set_max_mpu_wakeup_lat(dev, t);
140}
141
142static inline int omap2_i2c_add_bus(int bus_id) 130static inline int omap2_i2c_add_bus(int bus_id)
143{ 131{
144 int l; 132 int l;
@@ -170,15 +158,6 @@ static inline int omap2_i2c_add_bus(int bus_id)
170 dev_attr = (struct omap_i2c_dev_attr *)oh->dev_attr; 158 dev_attr = (struct omap_i2c_dev_attr *)oh->dev_attr;
171 pdata->flags = dev_attr->flags; 159 pdata->flags = dev_attr->flags;
172 160
173 /*
174 * When waiting for completion of a i2c transfer, we need to
175 * set a wake up latency constraint for the MPU. This is to
176 * ensure quick enough wakeup from idle, when transfer
177 * completes.
178 * Only omap3 has support for constraints
179 */
180 if (cpu_is_omap34xx())
181 pdata->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat_compat;
182 pdev = omap_device_build(name, bus_id, oh, pdata, 161 pdev = omap_device_build(name, bus_id, oh, pdata,
183 sizeof(struct omap_i2c_bus_platform_data), 162 sizeof(struct omap_i2c_bus_platform_data),
184 NULL, 0, 0); 163 NULL, 0, 0);
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-04 16:26:29 -0500