ARM: orion5x: Convert MV2120 board to GPIO descriptors for LEDs

This makes the LEDs on the MV2120 Orion5x board use GPIO
descriptors instead of hardcoded GPIOs from the global
numberspace.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

arch/arm/mach-orion5x/mv2120-setup.c

@@ -8,6 +8,7 @@
  * License, or (at your option) any later version.
  */
 #include <linux/gpio.h>
+#include <linux/gpio/machine.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
@@ -139,34 +140,45 @@ static struct i2c_board_info __initdata mv2120_i2c_rtc = {
 static struct gpio_led mv2120_led_pins[] = {
 	{
 		.name			= "mv2120:blue:health",
-		.gpio			= 0,
 	},
 	{
 		.name			= "mv2120:red:health",
-		.gpio			= 1,
 	},
 	{
 		.name			= "mv2120:led:bright",
-		.gpio			= 4,
 		.default_trigger	= "default-on",
 	},
 	{
 		.name			= "mv2120:led:dimmed",
-		.gpio			= 5,
 	},
 	{
 		.name			= "mv2120:red:sata0",
-		.gpio			= 8,
-		.active_low		= 1,
 	},
 	{
 		.name			= "mv2120:red:sata1",
-		.gpio			= 9,
-		.active_low		= 1,
 	},
 
 };
 
+static struct gpiod_lookup_table mv2120_leds_gpio_table = {
+	.dev_id = "leds-gpio",
+	.table = {
+		GPIO_LOOKUP_IDX("orion_gpio0", 0, NULL,
+				0, GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP_IDX("orion_gpio0", 1, NULL,
+				1, GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP_IDX("orion_gpio0", 4, NULL,
+				2, GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP_IDX("orion_gpio0", 5, NULL,
+				3, GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP_IDX("orion_gpio0", 8, NULL,
+				4, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("orion_gpio0", 9, NULL,
+				5, GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
 static struct gpio_led_platform_data mv2120_led_data = {
 	.leds		= mv2120_led_pins,
 	.num_leds	= ARRAY_SIZE(mv2120_led_pins),
@@ -219,6 +231,7 @@ static void __init mv2120_init(void)
 			gpio_free(MV2120_GPIO_RTC_IRQ);
 	}
 	i2c_register_board_info(0, &mv2120_i2c_rtc, 1);
+	gpiod_add_lookup_table(&mv2120_leds_gpio_table);
 	platform_device_register(&mv2120_leds);
 
 	/* register mv2120 specific power-off method */