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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-04-21 14:50:53 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-06-23 13:16:22 +0200 |
| commit | 019609f4b693828496c0c02d41be3806d145733f (patch) | |
| tree | 49fe195c7ab8eb17bb57d16bca95a1384537b407 | |
| parent | 4a78a3338ad52b2ffdcc1a7527a4c652e93e0b0b (diff) | |
| download | linux-2.6-019609f4b693828496c0c02d41be3806d145733f.tar.gz linux-2.6-019609f4b693828496c0c02d41be3806d145733f.tar.xz | |
i.MX35: implement get_rate for usb otg clock
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/mach-mx3/clock-imx35.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/arm/mach-mx3/clock-imx35.c b/arch/arm/mach-mx3/clock-imx35.c index 46aa9617289..14fd4a3a4d5 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) 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) { 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(uart2_clk, 1, CCM_CGR2, 18, 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(max_clk, 0, CCM_CGR2, 26, NULL, NULL); DEFINE_CLOCK(admux_clk, 0, CCM_CGR2, 30, NULL, NULL); @@ -429,6 +442,7 @@ static struct clk_lookup lookups[] = { _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("imx-wdt.0", NULL, wdog_clk) _REGISTER_CLOCK(NULL, "max", max_clk) _REGISTER_CLOCK(NULL, "admux", admux_clk) |