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rk30_phonepad:add reset pin control

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This commit is contained in:
luowei
2012-09-28 15:55:12 +08:00
parent 8516dcfc23
commit 9ffe45dd50
1 changed files with 36 additions and 15 deletions
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51
arch/arm/mach-rk30/board-rk30-phonepad.c
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@@ -1077,7 +1077,7 @@ static int rk29_backlight_pwm_suspend(void)
printk("func %s, line %d: request gpio fail\n", __FUNCTION__, __LINE__);
return -1;
}
gpio_direction_output(PWM_GPIO, GPIO_LOW);
gpio_direction_output(PWM_GPIO, !PWM_EFFECT_VALUE);
#ifdef LCD_DISP_ON_PIN
gpio_direction_output(BL_EN_PIN, 0);
gpio_set_value(BL_EN_PIN, !BL_EN_VALUE);
@@ -1547,6 +1547,9 @@ static struct sensor_platform_data light_isl29023_info = {
#define LCD_STANDBY_PIN RK30_PIN4_PD2
#define LCD_STANDBY_VALUE GPIO_HIGH
#define LCD_RST_MUX_NAME GPIO4D1_SMCDATA9_TRACEDATA9_NAME
#define LCD_RST_PIN RK30_PIN4_PD1
#define LCD_RST_VALUE GPIO_HIGH
#define LCD_EN_MUX_NAME GPIO4C7_SMCDATA7_TRACEDATA7_NAME
#define LCD_EN_PIN RK30_PIN6_PB4
@@ -1561,19 +1564,6 @@ static int rk_fb_io_init(struct rk29_fb_setting_info *fb_setting)
{
int ret = 0;
rk30_mux_api_set(LCD_STANDBY_MUX_NAME, GPIO4D_GPIO4D2);
ret = gpio_request(LCD_STANDBY_PIN, NULL);
if (ret != 0)
{
gpio_free(LCD_STANDBY_PIN);
printk(KERN_ERR "request lcd cs pin fail!\n");
return -1;
}
else
{
gpio_direction_output(LCD_STANDBY_PIN, LCD_STANDBY_VALUE);
}
rk30_mux_api_set(GPIO3A6_SDMMC0RSTNOUT_NAME, GPIO3A_GPIO3A6);
ret = gpio_request(HDMI11_EN_PIN, NULL);
if (ret != 0)
@@ -1610,6 +1600,33 @@ static int rk_fb_io_init(struct rk29_fb_setting_info *fb_setting)
{
gpio_direction_output(LCD_EN_PIN, LCD_EN_VALUE);
}
rk30_mux_api_set(LCD_STANDBY_MUX_NAME, GPIO4D_GPIO4D2);
ret = gpio_request(LCD_STANDBY_PIN, NULL);
if (ret != 0)
{
gpio_free(LCD_STANDBY_PIN);
printk(KERN_ERR "request lcd cs pin fail!\n");
return -1;
}
else
{
gpio_direction_output(LCD_STANDBY_PIN, LCD_STANDBY_VALUE);
}
rk30_mux_api_set(LCD_RST_MUX_NAME, GPIO4D_GPIO4D1);
ret = gpio_request(LCD_RST_PIN, NULL);
if (ret != 0)
{
gpio_free(LCD_RST_PIN);
printk(KERN_ERR "request lcd cs pin fail!\n");
return -1;
}
else
{
gpio_direction_output(LCD_RST_PIN, LCD_RST_VALUE);
}
return 0;
}
static int rk_fb_io_disable(void)
@@ -1617,7 +1634,9 @@ static int rk_fb_io_disable(void)
msleep(30); //Response Time (Rising + Falling)
gpio_set_value(HDMI11_EN_PIN, HDMI11_EN_VALUE? 0:1);
gpio_set_value(LCD_CS_PIN, LCD_CS_VALUE? 0:1);
gpio_set_value(LCD_EN_PIN, LCD_EN_VALUE? 0:1);
gpio_set_value(LCD_EN_PIN, LCD_EN_VALUE? 0:1);
gpio_set_value(LCD_RST_PIN, LCD_RST_VALUE? 0:1);
gpio_set_value(LCD_STANDBY_PIN, LCD_STANDBY_VALUE? 0:1);
return 0;
}
static int rk_fb_io_enable(void)
@@ -1625,6 +1644,8 @@ static int rk_fb_io_enable(void)
gpio_set_value(LCD_EN_PIN, LCD_EN_VALUE);
gpio_set_value(LCD_CS_PIN, LCD_CS_VALUE);
gpio_set_value(HDMI11_EN_PIN, HDMI11_EN_VALUE);
gpio_set_value(LCD_RST_PIN, LCD_RST_VALUE);
gpio_set_value(LCD_STANDBY_PIN, LCD_STANDBY_VALUE);
msleep(150); //wait for power stable
return 0;
}