0001-board-am335xevm.c-Add-BeagleBone-LED-configuration.patch

0001-board-am335xevm.c-Add-BeagleBone-LED-configuration.patch

From f53cecf219fee81d349fa5fa562d538cae1abf8b Mon Sep 17 00:00:00 2001
From: Andrew Bradford <andrew.bradford@omni-id.com>
Date: Thu, 1 Mar 2012 10:06:05 -0500
Subject: [PATCH] board-am335xevm.c: Add BeagleBone LED configuration

Blinks USR0 (D2) as heartbeat.
Blinks USR1 (D3) on MMC access.
---
 arch/arm/mach-omap2/board-am335xevm.c |   60 +++++++++++++++++++++++++++++++++
 1 files changed, 60 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
index 8aa7e10..054ddd0 100644
--- a/arch/arm/mach-omap2/board-am335xevm.c
+++ b/arch/arm/mach-omap2/board-am335xevm.c
@@ -19,6 +19,7 @@
 #include <linux/i2c/at24.h>
 #include <linux/phy.h>
 #include <linux/gpio.h>
+#include <linux/leds.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
 #include <linux/gpio_keys.h>
@@ -823,6 +824,54 @@ static struct pinmux_config profibus_pin_mux[] = {
 	{NULL, 0},
 };
 
+/* BeagleBone USRx LEDS - gpio1_21 -> gpio1_24 */
+#define BEAGLEBONE_USR0_LED  GPIO_TO_PIN(1, 21)
+#define BEAGLEBONE_USR1_LED  GPIO_TO_PIN(1, 22)
+#define BEAGLEBONE_USR2_LED  GPIO_TO_PIN(1, 23)
+#define BEAGLEBONE_USR3_LED  GPIO_TO_PIN(1, 24)
+
+static struct gpio_led gpio_leds[] = {
+	{
+		.name = "beaglebone::usr0",
+		.default_trigger = "heartbeat",
+		.gpio = BEAGLEBONE_USR0_LED,
+	},
+	{
+		.name = "beaglebone::usr1",
+		.default_trigger = "mmc0",
+		.gpio = BEAGLEBONE_USR1_LED,
+	},
+	{
+		.name = "beaglebone::usr2",
+		.gpio = BEAGLEBONE_USR2_LED,
+	},
+	{
+		.name = "beaglebone::usr3",
+		.gpio = BEAGLEBONE_USR3_LED,
+	},
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+	.leds = gpio_leds,
+	.num_leds = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+	.name = "leds-gpio",
+	.id = -1,
+	.dev = {
+		.platform_data = &gpio_led_info,
+	},
+};
+
+static struct pinmux_config bone_pin_mux[] = {
+	/* User LED gpios (gpio1_21 to gpio1_24) */
+	{"gpmc_a5.rgmii2_td0", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT},
+	{"gpmc_a6.rgmii2_tclk", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT},
+	{"gpmc_a7.rgmii2_rclk", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT},
+	{"gpmc_a8.rgmii2_rd3", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT},
+};
+
 /* Module pin mux for eCAP0 */
 static struct pinmux_config ecap0_pin_mux[] = {
 	{"ecap0_in_pwm0_out.ecap0_in_pwm0_out",
@@ -949,6 +998,15 @@ static void tsc_init(int evm_id, int profile)
 		pr_err("failed to register touchscreen device\n");
 }
 
+static void boneleds_init(int evm_id, int profile )
+{
+	int err;
+	setup_pin_mux(bone_pin_mux);
+	err = platform_device_register(&leds_gpio);
+	if (err)
+		pr_err("failed to register BeagleBone LEDS\n");
+}
+
 static void rgmii1_init(int evm_id, int profile)
 {
 	setup_pin_mux(rgmii1_pin_mux);
@@ -1725,6 +1783,7 @@ static struct evm_dev_cfg beaglebone_old_dev_cfg[] = {
 	{usb1_init,	DEV_ON_BASEBOARD, PROFILE_NONE},
 	{mmc0_init,	DEV_ON_BASEBOARD, PROFILE_NONE},
 	{i2c2_init,	DEV_ON_BASEBOARD, PROFILE_NONE},
+	{boneleds_init, DEV_ON_BASEBOARD, PROFILE_ALL},
 	{NULL, 0, 0},
 };
 
@@ -1736,6 +1795,7 @@ static struct evm_dev_cfg beaglebone_dev_cfg[] = {
 	{usb1_init,	DEV_ON_BASEBOARD, PROFILE_NONE},
 	{mmc0_init,	DEV_ON_BASEBOARD, PROFILE_NONE},
 	{i2c2_init,	DEV_ON_BASEBOARD, PROFILE_NONE},
+	{boneleds_init, DEV_ON_BASEBOARD, PROFILE_ALL},
 	{NULL, 0, 0},
 };
 
-- 
1.7.2.5