From ef2575799244661f44da95e1fecce938e3afa857 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=E5=AE=8B=E7=A7=80=E6=9D=B0?= <sxj@rock-chips.com>
Date: Sat, 9 Oct 2010 06:02:03 -0700
Subject: [PATCH]  pm.c reduce VCCIO and VCCSD is 2.8V. spi_fpga_init.c make
 key_led pin and cmmb pin disable

---
 arch/arm/mach-rk2818/pm.c    | 36 +++++++++++++++++++++++++-----------
 drivers/fpga/spi_fpga_init.c | 34 ++++++++++++++++++++++++++++++++--
 2 files changed, 57 insertions(+), 13 deletions(-)

diff --git a/arch/arm/mach-rk2818/pm.c b/arch/arm/mach-rk2818/pm.c
index 266d43c39beb..894293bcdbc1 100755
--- a/arch/arm/mach-rk2818/pm.c
+++ b/arch/arm/mach-rk2818/pm.c
@@ -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();
diff --git a/drivers/fpga/spi_fpga_init.c b/drivers/fpga/spi_fpga_init.c
index 1bad3d6c15b2..e26a131c111c 100755
--- a/drivers/fpga/spi_fpga_init.c
+++ b/drivers/fpga/spi_fpga_init.c
@@ -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;
-- 
2.34.1