diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-08-20 11:18:02 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-10-12 22:14:55 +0200 |
| commit | a6dba20c5c7b3a18d69bcbd60a1d2ebc0536f0ce (patch) | |
| tree | 954e4f3aa86f730fc4b8834126e7886022c0dccf /arch/arm/mach-pxa/pxa27x.c | |
| parent | [ARM] pxa: make pxa27x devices globally visible (diff) | |
| download | linux-a6dba20c5c7b3a18d69bcbd60a1d2ebc0536f0ce.tar.xz linux-a6dba20c5c7b3a18d69bcbd60a1d2ebc0536f0ce.zip | |
[ARM] pxa: introduce clk support for PXA SoC clocks
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/pxa27x.c')
| -rw-r--r-- | arch/arm/mach-pxa/pxa27x.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 3710981b72d8..433644edf791 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -27,6 +27,7 @@ #include "generic.h" #include "devices.h" +#include "clock.h" /* Crystal clock: 13MHz */ #define BASE_CLK 13000000 @@ -120,6 +121,48 @@ unsigned int pxa27x_get_lcdclk_frequency_10khz(void) return (K / 10000); } +static unsigned long clk_pxa27x_lcd_getrate(struct clk *clk) +{ + return pxa27x_get_lcdclk_frequency_10khz() * 10000; +} + +static const struct clkops clk_pxa27x_lcd_ops = { + .enable = clk_cken_enable, + .disable = clk_cken_disable, + .getrate = clk_pxa27x_lcd_getrate, +}; + +static struct clk pxa27x_clks[] = { + INIT_CK("LCDCLK", LCD, &clk_pxa27x_lcd_ops, &pxa_device_fb.dev), + INIT_CK("CAMCLK", CAMERA, &clk_pxa27x_lcd_ops, NULL), + + INIT_CKEN("UARTCLK", STUART, 14857000, 1, &pxa_device_stuart.dev), + INIT_CKEN("UARTCLK", FFUART, 14857000, 1, &pxa_device_ffuart.dev), + INIT_CKEN("UARTCLK", BTUART, 14857000, 1, &pxa_device_btuart.dev), + + INIT_CKEN("I2SCLK", I2S, 14682000, 0, &pxa_device_i2s.dev), + INIT_CKEN("I2CCLK", I2C, 32842000, 0, &pxa_device_i2c.dev), + INIT_CKEN("UDCCLK", USB, 48000000, 5, &pxa_device_udc.dev), + INIT_CKEN("MMCCLK", MMC, 19500000, 0, &pxa_device_mci.dev), + INIT_CKEN("FICPCLK", FICP, 48000000, 0, &pxa_device_ficp.dev), + + INIT_CKEN("USBCLK", USB, 48000000, 0, &pxa27x_device_ohci.dev), + INIT_CKEN("I2CCLK", PWRI2C, 13000000, 0, &pxa27x_device_i2c_power.dev), + INIT_CKEN("KBDCLK", KEYPAD, 32768, 0, NULL), + + /* + INIT_CKEN("PWMCLK", PWM0, 13000000, 0, NULL), + INIT_CKEN("SSPCLK", SSP1, 13000000, 0, NULL), + INIT_CKEN("SSPCLK", SSP2, 13000000, 0, NULL), + INIT_CKEN("SSPCLK", SSP3, 13000000, 0, NULL), + INIT_CKEN("MSLCLK", MSL, 48000000, 0, NULL), + INIT_CKEN("USIMCLK", USIM, 48000000, 0, NULL), + INIT_CKEN("MSTKCLK", MEMSTK, 19500000, 0, NULL), + INIT_CKEN("IMCLK", IM, 0, 0, NULL), + INIT_CKEN("MEMCLK", MEMC, 0, 0, NULL), + */ +}; + #ifdef CONFIG_PM #define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x @@ -343,6 +386,8 @@ static int __init pxa27x_init(void) { int ret = 0; if (cpu_is_pxa27x()) { + clks_register(pxa27x_clks, ARRAY_SIZE(pxa27x_clks)); + if ((ret = pxa_init_dma(32))) return ret; #ifdef CONFIG_PM |