[ARM] pxa: introduce clk support for PXA SoC clocks
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 3710981..433644e 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 @@
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 @@
{
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