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Clocklib: Provide for GPIO 12 clock on PXA 

Signed-off-by: Ian Molton <spyro@f2s.com>
This commit is contained in:
Ian Molton 2008-07-08 10:32:08 +01:00
parent aa9ae8eb1a
commit ed847782f6
2 changed files with 33 additions and 0 deletions
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9
arch/arm/mach-pxa/clock.h
View File

@ -47,6 +47,15 @@ struct clk {
.other = _other, \
}
#define INIT_CLK(_name, _ops, _rate, _delay, _dev) \
{ \
.name = _name, \
.dev = _dev, \
.ops = _ops, \
.rate = _rate, \
.delay = _delay, \
}
extern const struct clkops clk_cken_ops;
void clk_cken_enable(struct clk *clk);

24
arch/arm/mach-pxa/pxa25x.c
View File

@ -109,6 +109,29 @@ static const struct clkops clk_pxa25x_lcd_ops = {
.getrate = clk_pxa25x_lcd_getrate,
};
static unsigned long gpio12_config_32k[] = {
GPIO12_32KHz,
};
static unsigned long gpio12_config_gpio[] = {
GPIO12_GPIO,
};
static void clk_gpio12_enable(struct clk *clk)
{
pxa2xx_mfp_config(gpio12_config_32k, 1);
}
static void clk_gpio12_disable(struct clk *clk)
{
pxa2xx_mfp_config(gpio12_config_gpio, 1);
}
static const struct clkops clk_pxa25x_gpio12_ops = {
.enable = clk_gpio12_enable,
.disable = clk_gpio12_disable,
};
/*
* 3.6864MHz -> OST, GPIO, SSP, PWM, PLLs (95.842MHz, 147.456MHz)
* 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz
@ -128,6 +151,7 @@ static struct clk pxa25x_clks[] = {
INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
INIT_CKEN("UARTCLK", STUART, 14745600, 1, NULL),
INIT_CKEN("UDCCLK", USB, 47923000, 5, &pxa25x_device_udc.dev),
INIT_CLK("GPIO12_CLK", &clk_pxa25x_gpio12_ops, 32768, 0, NULL),
INIT_CKEN("MMCCLK", MMC, 19169000, 0, &pxa_device_mci.dev),
INIT_CKEN("I2CCLK", I2C, 31949000, 0, &pxa_device_i2c.dev),