aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mx3/clock-imx35.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-mx3/clock-imx35.c')
-rw-r--r--arch/arm/mach-mx3/clock-imx35.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/arch/arm/mach-mx3/clock-imx35.c b/arch/arm/mach-mx3/clock-imx35.c
index 577ee83d1f60..fe5c4217322e 100644
--- a/arch/arm/mach-mx3/clock-imx35.c
+++ b/arch/arm/mach-mx3/clock-imx35.c
@@ -273,6 +273,19 @@ static unsigned long get_rate_csi(struct clk *clk)
273 return rate / get_3_3_div((pdr2 >> 16) & 0x3f); 273 return rate / get_3_3_div((pdr2 >> 16) & 0x3f);
274} 274}
275 275
276static unsigned long get_rate_otg(struct clk *clk)
277{
278 unsigned long pdr4 = __raw_readl(CCM_BASE + CCM_PDR4);
279 unsigned long rate;
280
281 if (pdr4 & (1 << 9))
282 rate = get_rate_arm();
283 else
284 rate = get_rate_ppll();
285
286 return rate / get_3_3_div((pdr4 >> 22) & 0x3f);
287}
288
276static unsigned long get_rate_ipg_per(struct clk *clk) 289static unsigned long get_rate_ipg_per(struct clk *clk)
277{ 290{
278 unsigned long pdr0 = __raw_readl(CCM_BASE + CCM_PDR0); 291 unsigned long pdr0 = __raw_readl(CCM_BASE + CCM_PDR0);
@@ -365,7 +378,7 @@ DEFINE_CLOCK(ssi2_clk, 1, CCM_CGR2, 14, get_rate_ssi, NULL);
365DEFINE_CLOCK(uart1_clk, 0, CCM_CGR2, 16, get_rate_uart, NULL); 378DEFINE_CLOCK(uart1_clk, 0, CCM_CGR2, 16, get_rate_uart, NULL);
366DEFINE_CLOCK(uart2_clk, 1, CCM_CGR2, 18, get_rate_uart, NULL); 379DEFINE_CLOCK(uart2_clk, 1, CCM_CGR2, 18, get_rate_uart, NULL);
367DEFINE_CLOCK(uart3_clk, 2, CCM_CGR2, 20, get_rate_uart, NULL); 380DEFINE_CLOCK(uart3_clk, 2, CCM_CGR2, 20, get_rate_uart, NULL);
368DEFINE_CLOCK(usbotg_clk, 0, CCM_CGR2, 22, NULL, NULL); 381DEFINE_CLOCK(usbotg_clk, 0, CCM_CGR2, 22, get_rate_otg, NULL);
369DEFINE_CLOCK(wdog_clk, 0, CCM_CGR2, 24, NULL, NULL); 382DEFINE_CLOCK(wdog_clk, 0, CCM_CGR2, 24, NULL, NULL);
370DEFINE_CLOCK(max_clk, 0, CCM_CGR2, 26, NULL, NULL); 383DEFINE_CLOCK(max_clk, 0, CCM_CGR2, 26, NULL, NULL);
371DEFINE_CLOCK(admux_clk, 0, CCM_CGR2, 30, NULL, NULL); 384DEFINE_CLOCK(admux_clk, 0, CCM_CGR2, 30, NULL, NULL);
@@ -426,7 +439,10 @@ static struct clk_lookup lookups[] = {
426 _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk) 439 _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
427 _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk) 440 _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
428 _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk) 441 _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
429 _REGISTER_CLOCK(NULL, "usbotg", usbotg_clk) 442 _REGISTER_CLOCK("mxc-ehci.0", "usb", usbotg_clk)
443 _REGISTER_CLOCK("mxc-ehci.1", "usb", usbotg_clk)
444 _REGISTER_CLOCK("mxc-ehci.2", "usb", usbotg_clk)
445 _REGISTER_CLOCK("fsl-usb2-udc", "usb", usbotg_clk)
430 _REGISTER_CLOCK("mxc_wdt.0", NULL, wdog_clk) 446 _REGISTER_CLOCK("mxc_wdt.0", NULL, wdog_clk)
431 _REGISTER_CLOCK(NULL, "max", max_clk) 447 _REGISTER_CLOCK(NULL, "max", max_clk)
432 _REGISTER_CLOCK(NULL, "admux", admux_clk) 448 _REGISTER_CLOCK(NULL, "admux", admux_clk)
@@ -456,7 +472,7 @@ int __init mx35_clocks_init()
456 __raw_writel((3 << 26) | ll, CCM_BASE + CCM_CGR2); 472 __raw_writel((3 << 26) | ll, CCM_BASE + CCM_CGR2);
457 __raw_writel(0, CCM_BASE + CCM_CGR3); 473 __raw_writel(0, CCM_BASE + CCM_CGR3);
458 474
459 mxc_timer_init(&gpt_clk); 475 mxc_timer_init(&gpt_clk, IO_ADDRESS(GPT1_BASE_ADDR), MXC_INT_GPT);
460 476
461 return 0; 477 return 0;
462} 478}