recipes-kernel/linux/linux-am335x-joel-3.1/0001-am335x-evm-hack-in-LED-support-for-beaglebone.patch

   1 From ed2b4469ce07a6e3aec681a26010753c1e20551f Mon Sep 17 00:00:00 2001
   2 From: Koen Kooi <koen@dominion.thruhere.net>
   3 Date: Fri, 7 Oct 2011 14:39:31 +0200
   4 Subject: [PATCH] am335x-evm: hack in LED support for beaglebone
   5
   6 Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
   7 ---
   8  arch/arm/mach-omap2/board-am335xevm.c |   63 +++++++++++++++++++++++++++++++++
   9  1 files changed, 63 insertions(+), 0 deletions(-)
  10
  11 diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
  12 index 0f47b65..82804a9 100644
  13 --- a/arch/arm/mach-omap2/board-am335xevm.c
  14 +++ b/arch/arm/mach-omap2/board-am335xevm.c
  15 @@ -17,6 +17,7 @@
  16  #include <linux/i2c.h>
  17  #include <linux/i2c/at24.h>
  18  #include <linux/gpio.h>
  19 +#include <linux/leds.h>
  20  #include <linux/mtd/mtd.h>
  21  #include <linux/mtd/nand.h>
  22  #include <linux/mtd/partitions.h>
  23 @@ -559,6 +560,58 @@ static struct pinmux_config usb1_pin_mux[] = {
  24         {NULL, 0},
  25  };
  26
  27 +/* LEDS - gpio1_21 -> gpio1_24 */
  28 +
  29 +#define BEAGLEBONE_USR1_LED  GPIO_TO_PIN(1, 21)
  30 +#define BEAGLEBONE_USR2_LED  GPIO_TO_PIN(1, 22)
  31 +#define BEAGLEBONE_USR3_LED  GPIO_TO_PIN(1, 23)
  32 +#define BEAGLEBONE_USR4_LED  GPIO_TO_PIN(1, 24)
  33 +
  34 +static struct gpio_led gpio_leds[] = {
  35 +       {
  36 +               .name                   = "beaglebone::usr0",
  37 +               .default_trigger        = "heartbeat",
  38 +               .gpio                   = BEAGLEBONE_USR1_LED,
  39 +       },
  40 +       {
  41 +               .name                   = "beaglebone::usr1",
  42 +               .default_trigger        = "mmc0",
  43 +               .gpio                   = BEAGLEBONE_USR2_LED,
  44 +       },
  45 +       {
  46 +               .name                   = "beaglebone::usr2",
  47 +               .gpio                   = BEAGLEBONE_USR3_LED,
  48 +       },
  49 +       {
  50 +               .name           = "beaglebone::usr3",
  51 +               .gpio           = BEAGLEBONE_USR4_LED,
  52 +       },
  53 +};
  54 +
  55 +static struct gpio_led_platform_data gpio_led_info = {
  56 +       .leds           = gpio_leds,
  57 +       .num_leds       = ARRAY_SIZE(gpio_leds),
  58 +};
  59 +
  60 +static struct platform_device leds_gpio = {
  61 +       .name   = "leds-gpio",
  62 +       .id     = -1,
  63 +       .dev    = {
  64 +               .platform_data  = &gpio_led_info,
  65 +       },
  66 +};
  67 +
  68 +static struct platform_device *bone_devices[] __initdata = {
  69 +                   &leds_gpio,
  70 +};
  71 +
  72 +static struct pinmux_config boneled_pin_mux[] = {
  73 +    {"gpmc_a5.rgmii2_td0", OMAP_MUX_MODE7 | AM335X_PIN_OUTPUT}, // gpio 21
  74 +    {"gpmc_a6.rgmii2_tclk", OMAP_MUX_MODE7 | AM335X_PIN_OUTPUT}, // gpio22
  75 +    {"gpmc_a7.rgmii2_rclk", OMAP_MUX_MODE7 | AM335X_PIN_OUTPUT}, // gpio23
  76 +    {"gpmc_a8.rgmii2_rd3", OMAP_MUX_MODE7 | AM335X_PIN_OUTPUT}, // gpio 24
  77 +};
  78 +
  79  /* Module pin mux for eCAP0 */
  80  static struct pinmux_config ecap0_pin_mux[] = {
  81         {"ecap0_in_pwm0_out.gpio0_7", AM335X_PIN_OUTPUT},
  82 @@ -631,6 +684,15 @@ static void tsc_init(int evm_id, int profile)
  83                 pr_err("failed to register touchscreen device\n");
  84  }
  85
  86 +static void bone_leds_init(int evm_id, int profil )
  87 +{
  88 +       int err;
  89 +       setup_pin_mux(boneled_pin_mux);
  90 +       err = platform_add_devices(bone_devices, ARRAY_SIZE(bone_devices));
  91 +       if (err)
  92 +               pr_err("failed to register LEDS\n");
  93 +}
  94 +
  95  static void rgmii1_init(int evm_id, int profile)
  96  {
  97         setup_pin_mux(rgmii1_pin_mux);
  98 @@ -844,6 +906,7 @@ static struct evm_dev_cfg beaglebone_dev_cfg[] = {
  99         {usb1_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
 100         {mmc0_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
 101         {i2c1_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
 102 +       {bone_leds_init,  DEV_ON_BASEBOARD, PROFILE_ALL},
 103         {NULL, 0, 0},
 104  };
 105
 106 --
 107 1.6.6.1
 108