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A22:set VCC 2.8V when in sleep,set key gpio pullup/down disable when in sleep

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This commit is contained in:
张晴
2011-08-25 20:11:20 -07:00
committed by root
parent f1961f5c0c
commit c4e1ccfd7d
2 changed files with 24 additions and 7 deletions
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2
arch/arm/mach-rk29/board-rk29-a22.c
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@@ -654,7 +654,7 @@ int wm831x_post_init(struct wm831x *parm)
dcdc = regulator_get(NULL, "dcdc3"); // 1th IO
regulator_set_voltage(dcdc,3000000,3000000);
regulator_set_suspend_voltage(dcdc, 3000000);
regulator_set_suspend_voltage(dcdc, 2800000);
regulator_enable(dcdc);
printk("%s set dcdc3=%dmV end\n", __FUNCTION__, regulator_get_voltage(dcdc));
regulator_put(dcdc);

29
arch/arm/mach-rk29/spi_sram.c
View File

@@ -471,21 +471,30 @@ int __sramdata crumode;
//static GRF_REG_SAVE __sramdata pm_grf;
static void pm_keygpio_prepare(void)
{
gpio6_pull = grf_readl(GRF_GPIO6_PULL);
gpio2_pull = grf_readl(GRF_GPIO2_PULL);
}
void pm_keygpio_suspend(void)
void pm_keygpio_sdk_suspend(void)
{
grf_writel(gpio6_pull|0x7f,GRF_GPIO6_PULL);//key pullup/pulldown disable
grf_writel(gpio2_pull|0x00000f30,GRF_GPIO2_PULL);
}
void pm_keygpio_resume(void)
void pm_keygpio_sdk_resume(void)
{
grf_writel(gpio6_pull,GRF_GPIO6_PULL);//key pullup/pulldown enable
grf_writel(gpio2_pull,GRF_GPIO2_PULL);
}
void pm_keygpio_a22_suspend(void)
{
grf_writel(gpio6_pull|0x7f,GRF_GPIO6_PULL);//key pullup/pulldown disable
grf_writel(gpio2_pull|0x00000900,GRF_GPIO2_PULL);
}
void pm_keygpio_a22_resume(void)
{
grf_writel(gpio6_pull,GRF_GPIO6_PULL);//key pullup/pulldown enable
grf_writel(gpio2_pull,GRF_GPIO2_PULL);
}
static void pm_spi_gpio_prepare(void)
{
@@ -542,7 +551,11 @@ void pm_gpio_suspend(void)
{
pm_spi_gpio_suspend(); // spi pullup/pulldown disable....
#if defined(CONFIG_MACH_RK29_PHONESDK)
{ pm_keygpio_suspend();// key pullup/pulldown disable.....
{ pm_keygpio_sdk_suspend();// key pullup/pulldown disable.....
}
#endif
#if defined(CONFIG_MACH_RK29_A22)
{ pm_keygpio_a22_suspend();// key pullup/pulldown disable.....
}
#endif
}
@@ -550,7 +563,11 @@ void pm_gpio_resume(void)
{
pm_spi_gpio_resume(); // spi pullup/pulldown enable.....
#if defined(CONFIG_MACH_RK29_PHONESDK)
{ pm_keygpio_resume();// key pullup/pulldown enable.....
{ pm_keygpio_sdk_resume();// key pullup/pulldown enable.....
}
#endif
#if defined(CONFIG_MACH_RK29_A22)
{ pm_keygpio_a22_resume();// key pullup/pulldown enable.....
}
#endif
}