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authorlars <lars@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-04-13 20:52:41 +0000
committerlars <lars@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-04-13 20:52:41 +0000
commite690b9d312ea684170aeb6e92e6b025be95e51d9 (patch)
tree3b520896cdae602a4878807168f122622acc7a38 /target/linux/mx2/files
parentcb83430c062604bbd8c3418d3a8b9537753f0883 (diff)
[mx2] vp6500: Add backlight device
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20843 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/mx2/files')
-rw-r--r--target/linux/mx2/files/arch/arm/mach-mx2/mach-vp6500.c40
-rw-r--r--target/linux/mx2/files/arch/arm/plat-mxc/include/mach/board-vp6500.h18
2 files changed, 50 insertions, 8 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));
}
diff --git a/target/linux/mx2/files/arch/arm/plat-mxc/include/mach/board-vp6500.h b/target/linux/mx2/files/arch/arm/plat-mxc/include/mach/board-vp6500.h
index 700f9c101..c11d053a5 100644
--- a/target/linux/mx2/files/arch/arm/plat-mxc/include/mach/board-vp6500.h
+++ b/target/linux/mx2/files/arch/arm/plat-mxc/include/mach/board-vp6500.h
@@ -2,12 +2,16 @@
#ifndef __BOARD_VP6500__
#define __BOARD_VP6500__
-#define VP6500_GPIO_POWER_KEY 39
-#define VP6500_GPIO_CAMERA_DIRECTION 45
-#define VP6500_GPIO_LED_KEYPAD 82
-#define VP6500_GPIO_AMP_ENABLE 89
-#define VP6500_GPIO_LED_RED 91
-#define VP6500_GPIO_LED_GREEN 92
-#define VP6500_GPIO_LED_CAMERA 93
+#define VP6500_GPIO_POWER_KEY GPIO_PORTB | 5
+#define VP6500_GPIO_CAMERA_DIRECTION GPIO_PORTB | 13
+#define VP6500_GPIO_LED_KEYPAD GPIO_PORTC | 18
+#define VP6500_GPIO_AMP_ENABLE GPIO_PORTC | 25
+#define VP6500_GPIO_LED_RED GPIO_PORTC | 27
+#define VP6500_GPIO_LED_GREEN GPIO_PORTC | 28
+#define VP6500_GPIO_LED_CAMERA GPIO_PORTC | 29
+#define VP6500_GPIO_BACKLIGHT_EN GPIO_PORTE | 10
+
+#define VP6500_GPIO_TLV_RESET GPIO_PORTB | 27
+#define VP6500_GPIO_TLV_ENABLE GPIO_PORTC | 25
#endif