ARM: orion5x: Convert Net2big board to GPIO descriptors for LEDs

This makes the LEDs on the Net2big 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>

Author: linusw

arch/arm/mach-orion5x/net2big-setup.c

@@ -18,6 +18,7 @@
 #include <linux/i2c.h>
 #include <linux/ata_platform.h>
 #include <linux/gpio.h>
+#include <linux/gpio/machine.h>
 #include <linux/delay.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -214,19 +215,30 @@ static void __init net2big_sata_power_init(void)
 static struct gpio_led net2big_leds[] = {
 	{
 		.name = "net2big:red:power",
-		.gpio = NET2BIG_GPIO_PWR_RED_LED,
 	},
 	{
 		.name = "net2big:blue:power",
-		.gpio = NET2BIG_GPIO_PWR_BLUE_LED,
 	},
 	{
 		.name = "net2big:red:sata0",
-		.gpio = NET2BIG_GPIO_SATA0_RED_LED,
 	},
 	{
 		.name = "net2big:red:sata1",
-		.gpio = NET2BIG_GPIO_SATA1_RED_LED,
+	},
+};
+
+static struct gpiod_lookup_table net2big_leds_gpio_table = {
+	.dev_id = "leds-gpio",
+	.table = {
+		GPIO_LOOKUP_IDX("orion_gpio0", NET2BIG_GPIO_PWR_RED_LED, NULL,
+				0, GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP_IDX("orion_gpio0", NET2BIG_GPIO_PWR_BLUE_LED, NULL,
+				1, GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP_IDX("orion_gpio0", NET2BIG_GPIO_SATA0_RED_LED, NULL,
+				2, GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP_IDX("orion_gpio0", NET2BIG_GPIO_SATA1_RED_LED, NULL,
+				3, GPIO_ACTIVE_HIGH),
+		{ },
 	},
 };
 
@@ -282,6 +294,7 @@ static void __init net2big_gpio_leds_init(void)
 	if (err)
 		pr_err("net2big: failed to setup SATA1 blue LED GPIO\n");
 
+	gpiod_add_lookup_table(&net2big_leds_gpio_table);
 	platform_device_register(&net2big_gpio_leds);
 }