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pm.c reduce VCCIO and VCCSD is 2.8V. spi_fpga_init.c make key_led pin and cmmb pin disable

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This commit is contained in:
宋秀杰
2010-10-09 06:02:03 -07:00
parent 43531eff8c
commit ef25757992
2 changed files with 57 additions and 13 deletions
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36
arch/arm/mach-rk2818/pm.c
View File

@@ -544,10 +544,10 @@ static void rk2818_pm_reg_print(unsigned int *pm_save_reg,unsigned int *pm_ch_re
static void pmu_suspend(void)
{
struct regulator *ldo1,*ldo2,*ldo4,*ldo5;
struct regulator *lilo2;
//struct regulator *ldo1,*ldo2,*ldo4,*ldo5;
struct regulator *lilo1,*lilo2;
ldo1 = regulator_get(NULL, "ldo1");
/*ldo1 = regulator_get(NULL, "ldo1");
regulator_disable(ldo1);
ldo2 = regulator_get(NULL, "ldo2");
regulator_disable(ldo2);
@@ -556,16 +556,21 @@ static void pmu_suspend(void)
ldo5 = regulator_get(NULL, "ldo5");
regulator_disable(ldo5);
lilo2 = regulator_get(NULL, "lilo2");
regulator_disable(lilo2);
regulator_disable(lilo2);*/
lilo1 = regulator_get(NULL, "lilo1");
regulator_set_voltage(lilo1,2800000,2800000);
lilo2 = regulator_get(NULL, "lilo2");
regulator_set_voltage(lilo2,2800000,2800000);
}
static void pmu_resume(void)
{
struct regulator *ldo1,*ldo2,*ldo4,*ldo5;
struct regulator *lilo2;
int tmp = 0;
//struct regulator *ldo1,*ldo2,*ldo4,*ldo5;
struct regulator *lilo1,*lilo2;
//int tmp = 0;
ldo1 = regulator_get(NULL, "ldo1");
/*ldo1 = regulator_get(NULL, "ldo1");
regulator_enable(ldo1);
tmp = regulator_get_voltage(ldo1);
@@ -583,7 +588,12 @@ static void pmu_resume(void)
lilo2 = regulator_get(NULL, "lilo2");
regulator_enable(lilo2);
tmp = regulator_get_voltage(lilo2);
tmp = regulator_get_voltage(lilo2);*/
lilo1 = regulator_get(NULL, "lilo1");
regulator_set_voltage(lilo1,3000000,3000000);
lilo2 = regulator_get(NULL, "lilo2");
regulator_set_voltage(lilo2,3000000,3000000);
}
static int __tcmfunc rk2818_tcm_idle(void)
@@ -697,7 +707,9 @@ static int rk2818_pm_enter(suspend_state_t state)
printk(KERN_DEBUG "before core halt\n");
//pmu_suspend( );
#if defined(CONFIG_MACH_RAHO)||defined(CONFIG_MACH_RAHO_0928)
pmu_suspend( );
#endif
clk_set_rate(arm_clk, 24000000);
dump_register();
@@ -721,7 +733,9 @@ static int rk2818_pm_enter(suspend_state_t state)
rockchip_timer_clocksource_suspend_resume(0);
#endif
//pmu_resume( );
#if defined(CONFIG_MACH_RAHO)||defined(CONFIG_MACH_RAHO_0928)
pmu_resume( );
#endif
dump_register();
clk_set_rate(arm_clk, arm_rate);
//rk2818_socpm_print();

34
drivers/fpga/spi_fpga_init.c
View File

@@ -685,12 +685,42 @@ static int spi_fpga_wait_suspend(struct spi_fpga_port *port)
}
return -1;
}
static void fpga_close_power_support(void)
{
//cmmb power down
gpio_request(FPGA_PIO4_03, NULL);
gpio_direction_output(FPGA_PIO4_03,GPIO_LOW);
gpio_free(FPGA_PIO4_03);
gpio_request(FPGA_PIO2_09, NULL);
gpio_direction_output(FPGA_PIO2_09,GPIO_LOW);
gpio_free(FPGA_PIO2_09);
gpio_request(FPGA_PIO2_06, NULL);
gpio_direction_output(FPGA_PIO2_06,GPIO_LOW);
gpio_free(FPGA_PIO2_06);
//KEY LED control
gpio_request(FPGA_PIO1_13, NULL);
gpio_direction_output(FPGA_PIO1_13,GPIO_LOW);
gpio_free(FPGA_PIO1_13);
}
static void fpga_open_power_support(void)
{
//cmmb do not control here
//KEY LED resume
gpio_request(FPGA_PIO1_13, NULL);
gpio_direction_output(FPGA_PIO1_13,GPIO_HIGH);
gpio_free(FPGA_PIO1_13);
}
static int spi_fpga_suspend(struct spi_device *spi, pm_message_t state)
{
struct spi_fpga_port *port = dev_get_drvdata(&spi->dev);
struct spi_fpga_port *port = dev_get_drvdata(&spi->dev);
fpga_close_power_support( );
int ret;
ret = spi_fpga_wait_suspend(port);
if(!ret)
@@ -717,7 +747,7 @@ static int spi_fpga_resume(struct spi_device *spi)
spi_fpga_set_sysclk(GPIO_HIGH);
udelay(1);
spi_fpga_set_status(port, ICE_STATUS_WAKE);
fpga_open_power_support( );
printk("%s\n",__FUNCTION__);
return 0;