diff options
Diffstat (limited to 'target/linux/mx2/files/arch/arm/mach-mx2/mach-vp6500.c')
| -rw-r--r-- | target/linux/mx2/files/arch/arm/mach-mx2/mach-vp6500.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/target/linux/mx2/files/arch/arm/mach-mx2/mach-vp6500.c b/target/linux/mx2/files/arch/arm/mach-mx2/mach-vp6500.c index 4ca5c0fd9..fb4464eb8 100644 --- a/target/linux/mx2/files/arch/arm/mach-mx2/mach-vp6500.c +++ b/target/linux/mx2/files/arch/arm/mach-mx2/mach-vp6500.c @@ -20,9 +20,9 @@ #include <linux/input.h> #include <linux/input/matrix_keypad.h> #include <linux/gpio_keys.h> +#include <linux/pwm_backlight.h> static unsigned int vp6500_pins[] = { - /* UART1 */ PE12_PF_UART1_TXD, PE13_PF_UART1_RXD, @@ -52,8 +52,14 @@ static unsigned int vp6500_pins[] = { PA30_PF_CONTRAST, PA31_PF_OE_ACD, #endif + + /* LCD Backlight */ + PE5_PF_PWMO, + VP6500_GPIO_BACKLIGHT_EN | GPIO_GPIO | GPIO_OUT, }; +/* Flash */ + static struct physmap_flash_data vp6500_flash_data = { .width = 2, }; @@ -74,6 +80,8 @@ static struct platform_device vp6500_nor_mtd_device = { .resource = &vp6500_flash_resource, }; +/* LEDs */ + static struct gpio_led vp6500_leds[] = { { .name = "vp6500:orange:keypad", @@ -108,6 +116,8 @@ static struct platform_device vp6500_leds_device = { }, }; +/* Keypad */ + static const uint32_t vp6500_keypad_keys[] = { KEY(0, 3, KEY_F2), KEY(0, 4, KEY_RIGHT), @@ -180,11 +190,38 @@ static struct platform_device vp6500_key_device = { }, }; +/* LCD backlight */ + +static int vp6500_backlight_notify(struct device *dev, int brightness) +{ + gpio_set_value(VP6500_GPIO_BACKLIGHT_EN, !!brightness); + + return brightness; +} + +static struct platform_pwm_backlight_data vp6500_backlight_data = { + .max_brightness = 255, + .dft_brightness = 100, + .pwm_period_ns = 15000000, + .notify = vp6500_backlight_notify, +}; + +static struct platform_device vp6500_backlight_device = { + .name = "pwm-backlight", + .id = -1, + .dev = { + .parent = &mxc_pwm_device.dev, + .platform_data = &vp6500_backlight_data, + }, +}; + + static struct platform_device *platform_devices[] __initdata = { &vp6500_nor_mtd_device, &vp6500_leds_device, &vp6500_keypad_device, &vp6500_key_device, + &vp6500_backlight_device, }; static void __init vp6500_board_init(void) @@ -193,6 +230,7 @@ static void __init vp6500_board_init(void) "vp6500"); mxc_register_device(&mxc_uart_device0, NULL); + mxc_register_device(&mxc_pwm_device, NULL); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); } |