1 files changed, 88 insertions, 45 deletions

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 31ae3be5741d..5b3549f1236c 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -36,6 +36,7 @@
 #include <linux/platform_data/ti-aemif.h>
 #include <linux/platform_data/spi-davinci.h>
 #include <linux/platform_data/uio_pruss.h>
+#include <linux/property.h>
 #include <linux/regulator/machine.h>
 #include <linux/regulator/tps6507x.h>
 #include <linux/regulator/fixed.h>
@@ -631,13 +632,12 @@ static void da850_evm_bb_keys_init(unsigned gpio)
 	}
 }
 
-#define DA850_N_BB_USER_LED	2
-
 static struct gpio_led da850_evm_bb_leds[] = {
-	[0 ... DA850_N_BB_USER_LED - 1] = {
-		.active_low = 1,
-		.gpio = -1, /* assigned at runtime */
-		.name = NULL, /* assigned at runtime */
+	{
+		.name = "user_led2",
+	},
+	{
+		.name = "user_led1",
 	},
 };
 
@@ -646,6 +646,20 @@ static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
 	.num_leds = ARRAY_SIZE(da850_evm_bb_leds),
 };
 
+static struct gpiod_lookup_table da850_evm_bb_leds_gpio_table = {
+	.dev_id = "leds-gpio",
+	.table = {
+		GPIO_LOOKUP_IDX("i2c-bb-expander",
+				DA850_EVM_BB_EXP_USER_LED2, NULL,
+				0, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("i2c-bb-expander",
+				DA850_EVM_BB_EXP_USER_LED2 + 1, NULL,
+				1, GPIO_ACTIVE_LOW),
+
+		{ },
+	},
+};
+
 static struct platform_device da850_evm_bb_leds_device = {
 	.name		= "leds-gpio",
 	.id		= -1,
@@ -654,20 +668,6 @@ static struct platform_device da850_evm_bb_leds_device = {
 	}
 };
 
-static void da850_evm_bb_leds_init(unsigned gpio)
-{
-	int i;
-	struct gpio_led *led;
-
-	for (i = 0; i < DA850_N_BB_USER_LED; i++) {
-		led = &da850_evm_bb_leds[i];
-
-		led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
-		led->name =
-			da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
-	}
-}
-
 static int da850_evm_bb_expander_setup(struct i2c_client *client,
 						unsigned gpio, unsigned ngpio,
 						void *c)
@@ -685,7 +685,7 @@ static int da850_evm_bb_expander_setup(struct i2c_client *client,
 		goto io_exp_setup_sw_fail;
 	}
 
-	da850_evm_bb_leds_init(gpio);
+	gpiod_add_lookup_table(&da850_evm_bb_leds_gpio_table);
 	ret = platform_device_register(&da850_evm_bb_leds_device);
 	if (ret) {
 		pr_warn("Could not register baseboard GPIO expander LEDs");
@@ -729,10 +729,12 @@ static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 	},
 	{
 		I2C_BOARD_INFO("tca6416", 0x20),
+		.dev_name = "ui-expander",
 		.platform_data = &da850_evm_ui_expander_info,
 	},
 	{
 		I2C_BOARD_INFO("tca6416", 0x21),
+		.dev_name = "bb-expander",
 		.platform_data = &da850_evm_bb_expander_info,
 	},
 };
@@ -801,37 +803,79 @@ static const short da850_evm_mmcsd0_pins[] __initconst = {
 	-1
 };
 
-static void da850_panel_power_ctrl(int val)
-{
-	/* lcd backlight */
-	gpio_set_value(DA850_LCD_BL_PIN, val);
+static struct property_entry da850_lcd_backlight_props[] = {
+	PROPERTY_ENTRY_BOOL("default-on"),
+	{ }
+};
 
-	/* lcd power */
-	gpio_set_value(DA850_LCD_PWR_PIN, val);
-}
+static struct gpiod_lookup_table da850_lcd_backlight_gpio_table = {
+	.dev_id		= "gpio-backlight",
+	.table = {
+		GPIO_LOOKUP("davinci_gpio", DA850_LCD_BL_PIN, NULL, 0),
+		{ }
+	},
+};
+
+static const struct platform_device_info da850_lcd_backlight_info = {
+	.name		= "gpio-backlight",
+	.id		= PLATFORM_DEVID_NONE,
+	.properties	= da850_lcd_backlight_props,
+};
+
+static struct regulator_consumer_supply da850_lcd_supplies[] = {
+	REGULATOR_SUPPLY("lcd", NULL),
+};
+
+static struct regulator_init_data da850_lcd_supply_data = {
+	.consumer_supplies	= da850_lcd_supplies,
+	.num_consumer_supplies	= ARRAY_SIZE(da850_lcd_supplies),
+	.constraints    = {
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct fixed_voltage_config da850_lcd_supply = {
+	.supply_name		= "lcd",
+	.microvolts		= 33000000,
+	.init_data		= &da850_lcd_supply_data,
+};
+
+static struct platform_device da850_lcd_supply_device = {
+	.name			= "reg-fixed-voltage",
+	.id			= 1, /* Dummy fixed regulator is 0 */
+	.dev			= {
+		.platform_data = &da850_lcd_supply,
+	},
+};
+
+static struct gpiod_lookup_table da850_lcd_supply_gpio_table = {
+	.dev_id			= "reg-fixed-voltage.1",
+	.table = {
+		GPIO_LOOKUP("davinci_gpio", DA850_LCD_PWR_PIN, NULL, 0),
+		{ }
+	},
+};
+
+static struct gpiod_lookup_table *da850_lcd_gpio_lookups[] = {
+	&da850_lcd_backlight_gpio_table,
+	&da850_lcd_supply_gpio_table,
+};
 
 static int da850_lcd_hw_init(void)
 {
+	struct platform_device *backlight;
 	int status;
 
-	status = gpio_request(DA850_LCD_BL_PIN, "lcd bl");
-	if (status < 0)
-		return status;
-
-	status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr");
-	if (status < 0) {
-		gpio_free(DA850_LCD_BL_PIN);
-		return status;
-	}
-
-	gpio_direction_output(DA850_LCD_BL_PIN, 0);
-	gpio_direction_output(DA850_LCD_PWR_PIN, 0);
+	gpiod_add_lookup_tables(da850_lcd_gpio_lookups,
+				ARRAY_SIZE(da850_lcd_gpio_lookups));
 
-	/* Switch off panel power and backlight */
-	da850_panel_power_ctrl(0);
+	backlight = platform_device_register_full(&da850_lcd_backlight_info);
+	if (IS_ERR(backlight))
+		return PTR_ERR(backlight);
 
-	/* Switch on panel power and backlight */
-	da850_panel_power_ctrl(1);
+	status = platform_device_register(&da850_lcd_supply_device);
+	if (status)
+		return status;
 
 	return 0;
 }
@@ -1442,7 +1486,6 @@ static __init void da850_evm_init(void)
 	if (ret)
 		pr_warn("%s: LCD initialization failed: %d\n", __func__, ret);
 
-	sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
 	ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
 	if (ret)
 		pr_warn("%s: LCDC registration failed: %d\n", __func__, ret);