diff options
| author | Petr Cvek <petr.cvek@tul.cz> | 2015-09-28 23:15:57 +0200 |
|---|---|---|
| committer | Robert Jarzmik <robert.jarzmik@free.fr> | 2015-10-14 23:06:54 +0200 |
| commit | 6001ae70ea2ed592c45ab927bac21d881747e42a (patch) | |
| tree | 674a82461b89ed8535acedda3c52d4a5439f0f02 /arch | |
| parent | ARM: pxa: magician: Add new discovered EGPIO pins (diff) | |
| download | linux-6001ae70ea2ed592c45ab927bac21d881747e42a.tar.xz linux-6001ae70ea2ed592c45ab927bac21d881747e42a.zip | |
ARM: pxa: magician: Rename abstract LCD GPIOs
This patch renames GPIOs, which are used to control the power lines to
the LCD screen. New names correspond to a real functionality, which was
measured on the HTC Magician board_id 0x3a.
Signed-off-by: Petr Cvek <petr.cvek@tul.cz>
Acked-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/magician.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/magician.c | 33 |
2 files changed, 21 insertions, 18 deletions
diff --git a/arch/arm/mach-pxa/include/mach/magician.h b/arch/arm/mach-pxa/include/mach/magician.h index 3f8922a1e427..af4cdc2172d5 100644 --- a/arch/arm/mach-pxa/include/mach/magician.h +++ b/arch/arm/mach-pxa/include/mach/magician.h @@ -52,9 +52,9 @@ #define GPIO101_MAGICIAN_KEY_VOL_DOWN 101 #define GPIO102_MAGICIAN_KEY_PHONE 102 #define GPIO103_MAGICIAN_LED_KP 103 -#define GPIO104_MAGICIAN_LCD_POWER_1 104 -#define GPIO105_MAGICIAN_LCD_POWER_2 105 -#define GPIO106_MAGICIAN_LCD_POWER_3 106 +#define GPIO104_MAGICIAN_LCD_VOFF_EN 104 +#define GPIO105_MAGICIAN_LCD_VON_EN 105 +#define GPIO106_MAGICIAN_LCD_DCDC_NRESET 106 #define GPIO107_MAGICIAN_DS1WM_IRQ 107 #define GPIO108_MAGICIAN_GSM_READY 108 #define GPIO114_MAGICIAN_UNKNOWN 114 diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 6fd8096d3a6f..f52351a389ef 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -270,22 +270,22 @@ static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si) if (on) { gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1); - gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1); + gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1); udelay(2000); gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); udelay(2000); /* FIXME: enable LCDC here */ udelay(2000); - gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1); + gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1); udelay(2000); - gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1); + gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1); } else { msleep(15); - gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0); + gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0); udelay(500); - gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0); + gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0); udelay(1000); - gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0); + gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0); gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0); } } @@ -300,19 +300,19 @@ static void samsung_lcd_power(int on, struct fb_var_screeninfo *si) else gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); mdelay(10); - gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1); + gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1); mdelay(10); - gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1); + gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1); mdelay(30); - gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1); + gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1); mdelay(10); } else { mdelay(10); - gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0); + gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0); mdelay(30); - gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0); + gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0); mdelay(10); - gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0); + gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0); mdelay(10); if (system_rev < 3) gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0); @@ -721,9 +721,11 @@ static struct platform_device *devices[] __initdata = { static struct gpio magician_global_gpios[] = { { GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" }, { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" }, - { GPIO104_MAGICIAN_LCD_POWER_1, GPIOF_OUT_INIT_LOW, "LCD power 1" }, - { GPIO105_MAGICIAN_LCD_POWER_2, GPIOF_OUT_INIT_LOW, "LCD power 2" }, - { GPIO106_MAGICIAN_LCD_POWER_3, GPIOF_OUT_INIT_LOW, "LCD power 3" }, + + /* NOTICE valid LCD init sequence */ + { GPIO106_MAGICIAN_LCD_DCDC_NRESET, GPIOF_OUT_INIT_LOW, "LCD DCDC nreset" }, + { GPIO104_MAGICIAN_LCD_VOFF_EN, GPIOF_OUT_INIT_LOW, "LCD VOFF enable" }, + { GPIO105_MAGICIAN_LCD_VON_EN, GPIOF_OUT_INIT_LOW, "LCD VON enable" }, { GPIO83_MAGICIAN_nIR_EN, GPIOF_OUT_INIT_HIGH, "nIR_EN" }, }; @@ -761,6 +763,7 @@ static void __init magician_init(void) lcd_select = board_id & 0x8; pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly"); if (lcd_select && (system_rev < 3)) + /* NOTICE valid LCD init sequence */ gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER, GPIOF_OUT_INIT_LOW, "Samsung LCD Power"); pxa_set_fb_info(NULL, |