lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

i.MX35 clock support: Add USB clocks

Browse Source 
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer
2009-03-17 15:43:54 +01:00
parent d37ba97d49
commit 547270a3b9
1 changed files with 18 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
arch/arm/mach-mx3/clock-imx35.c
View File

@@ -273,6 +273,19 @@ static unsigned long get_rate_csi(struct clk *clk)
return rate / get_3_3_div((pdr2 >> 16) & 0x3f); return rate / get_3_3_div((pdr2 >> 16) & 0x3f);
} }
static unsigned long get_rate_otg(struct clk *clk)
{
unsigned long pdr4 = __raw_readl(CCM_BASE + CCM_PDR4);
unsigned long rate;
if (pdr4 & (1 << 9))
rate = get_rate_arm();
else
rate = get_rate_ppll();
return rate / get_3_3_div((pdr4 >> 22) & 0x3f);
}
static unsigned long get_rate_ipg_per(struct clk *clk) static unsigned long get_rate_ipg_per(struct clk *clk)
{ {
unsigned long pdr0 = __raw_readl(CCM_BASE + CCM_PDR0); 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);
DEFINE_CLOCK(uart1_clk, 0, CCM_CGR2, 16, get_rate_uart, NULL); DEFINE_CLOCK(uart1_clk, 0, CCM_CGR2, 16, get_rate_uart, NULL);
DEFINE_CLOCK(uart2_clk, 1, CCM_CGR2, 18, get_rate_uart, NULL); DEFINE_CLOCK(uart2_clk, 1, CCM_CGR2, 18, get_rate_uart, NULL);
DEFINE_CLOCK(uart3_clk, 2, CCM_CGR2, 20, get_rate_uart, NULL); DEFINE_CLOCK(uart3_clk, 2, CCM_CGR2, 20, get_rate_uart, NULL);
DEFINE_CLOCK(usbotg_clk, 0, CCM_CGR2, 22, NULL, NULL); DEFINE_CLOCK(usbotg_clk, 0, CCM_CGR2, 22, get_rate_otg, NULL);
DEFINE_CLOCK(wdog_clk, 0, CCM_CGR2, 24, NULL, NULL); DEFINE_CLOCK(wdog_clk, 0, CCM_CGR2, 24, NULL, NULL);
DEFINE_CLOCK(max_clk, 0, CCM_CGR2, 26, NULL, NULL); DEFINE_CLOCK(max_clk, 0, CCM_CGR2, 26, NULL, NULL);
DEFINE_CLOCK(admux_clk, 0, CCM_CGR2, 30, NULL, NULL); DEFINE_CLOCK(admux_clk, 0, CCM_CGR2, 30, NULL, NULL);
@@ -426,7 +439,10 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk) _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
_REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk) _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
_REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk) _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
_REGISTER_CLOCK(NULL, "usbotg", usbotg_clk) _REGISTER_CLOCK("mxc-ehci.0", "usb", usbotg_clk)
_REGISTER_CLOCK("mxc-ehci.1", "usb", usbotg_clk)
_REGISTER_CLOCK("mxc-ehci.2", "usb", usbotg_clk)
_REGISTER_CLOCK("fsl-usb2-udc", "usb", usbotg_clk)
_REGISTER_CLOCK("mxc_wdt.0", NULL, wdog_clk) _REGISTER_CLOCK("mxc_wdt.0", NULL, wdog_clk)
_REGISTER_CLOCK(NULL, "max", max_clk) _REGISTER_CLOCK(NULL, "max", max_clk)
_REGISTER_CLOCK(NULL, "admux", admux_clk) _REGISTER_CLOCK(NULL, "admux", admux_clk)