recipes-kernel/linux/linux-ti33x-psp-3.0+3.1rc/0001-am335x-evm-hack-in-LED-support-for-beaglebone.patch

   1 From f658d7975f2e7232786190002ddd24d6b92ba965 Mon Sep 17 00:00:00 2001
   2 From: Denys Dmytriyenko <denys@ti.com>
   3 Date: Mon, 17 Oct 2011 02:00:39 -0400
   4 Subject: [PATCH] am335x-evm: hack in LED support for beaglebone
   5
   6 Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
   7 Signed-off-by: Denys Dmytriyenko <denys@ti.com>
   8 ---
   9  arch/arm/mach-omap2/board-am335xevm.c |   63 +++++++++++++++++++++++++++++++++
  10  1 files changed, 63 insertions(+), 0 deletions(-)
  11
  12 diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
  13 index 87eec7b..3a3c55b 100644
  14 --- a/arch/arm/mach-omap2/board-am335xevm.c
  15 +++ b/arch/arm/mach-omap2/board-am335xevm.c
  16 @@ -17,6 +17,7 @@
  17  #include <linux/i2c.h>
  18  #include <linux/i2c/at24.h>
  19  #include <linux/gpio.h>
  20 +#include <linux/leds.h>
  21  #include <linux/spi/spi.h>
  22  #include <linux/spi/flash.h>
  23  #include <linux/mtd/mtd.h>
  24 @@ -588,6 +589,58 @@ static struct pinmux_config usb1_pin_mux[] = {
  25         {NULL, 0},
  26  };
  27
  28 +/* LEDS - gpio1_21 -> gpio1_24 */
  29 +
  30 +#define BEAGLEBONE_USR1_LED  GPIO_TO_PIN(1, 21)
  31 +#define BEAGLEBONE_USR2_LED  GPIO_TO_PIN(1, 22)
  32 +#define BEAGLEBONE_USR3_LED  GPIO_TO_PIN(1, 23)
  33 +#define BEAGLEBONE_USR4_LED  GPIO_TO_PIN(1, 24)
  34 +
  35 +static struct gpio_led gpio_leds[] = {
  36 +       {
  37 +               .name                   = "beaglebone::usr0",
  38 +               .default_trigger        = "heartbeat",
  39 +               .gpio                   = BEAGLEBONE_USR1_LED,
  40 +       },
  41 +       {
  42 +               .name                   = "beaglebone::usr1",
  43 +               .default_trigger        = "mmc0",
  44 +               .gpio                   = BEAGLEBONE_USR2_LED,
  45 +       },
  46 +       {
  47 +               .name                   = "beaglebone::usr2",
  48 +               .gpio                   = BEAGLEBONE_USR3_LED,
  49 +       },
  50 +       {
  51 +               .name           = "beaglebone::usr3",
  52 +               .gpio           = BEAGLEBONE_USR4_LED,
  53 +       },
  54 +};
  55 +
  56 +static struct gpio_led_platform_data gpio_led_info = {
  57 +       .leds           = gpio_leds,
  58 +       .num_leds       = ARRAY_SIZE(gpio_leds),
  59 +};
  60 +
  61 +static struct platform_device leds_gpio = {
  62 +       .name   = "leds-gpio",
  63 +       .id     = -1,
  64 +       .dev    = {
  65 +               .platform_data  = &gpio_led_info,
  66 +       },
  67 +};
  68 +
  69 +static struct platform_device *bone_devices[] __initdata = {
  70 +                   &leds_gpio,
  71 +};
  72 +
  73 +static struct pinmux_config boneled_pin_mux[] = {
  74 +    {"gpmc_a5.rgmii2_td0", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // gpio 21
  75 +    {"gpmc_a6.rgmii2_tclk", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // gpio22
  76 +    {"gpmc_a7.rgmii2_rclk", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // gpio23
  77 +    {"gpmc_a8.rgmii2_rd3", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // gpio 24
  78 +};
  79 +
  80  /* Module pin mux for eCAP0 */
  81  static struct pinmux_config ecap0_pin_mux[] = {
  82         {"ecap0_in_pwm0_out.gpio0_7", AM33XX_PIN_OUTPUT},
  83 @@ -696,6 +749,15 @@ static void tsc_init(int evm_id, int profile)
  84                 pr_err("failed to register touchscreen device\n");
  85  }
  86
  87 +static void bone_leds_init(int evm_id, int profil )
  88 +{
  89 +       int err;
  90 +       setup_pin_mux(boneled_pin_mux);
  91 +       err = platform_add_devices(bone_devices, ARRAY_SIZE(bone_devices));
  92 +       if (err)
  93 +               pr_err("failed to register LEDS\n");
  94 +}
  95 +
  96  static void rgmii1_init(int evm_id, int profile)
  97  {
  98         setup_pin_mux(rgmii1_pin_mux);
  99 @@ -1101,6 +1163,7 @@ static struct evm_dev_cfg beaglebone_dev_cfg[] = {
 100         {usb0_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
 101         {usb1_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
 102         {mmc0_init,     DEV_ON_BASEBOARD, PROFILE_NONE},
 103 +       {bone_leds_init,  DEV_ON_BASEBOARD, PROFILE_ALL},
 104         {NULL, 0, 0},
 105  };
 106
 107 --
 108 1.7.0.4
 109