recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0081-beaglebone-add-support-for-LCD7-A3.patch

   1 From 44bfbc3cbd6ddc95db9a886744582ffddb79fe47 Mon Sep 17 00:00:00 2001
   2 From: Koen Kooi <koen@dominion.thruhere.net>
   3 Date: Tue, 24 Jul 2012 13:23:28 +0200
   4 Subject: [PATCH 81/84] beaglebone: add support for LCD7 A3
   5
   6 ---
   7  arch/arm/mach-omap2/board-am335xevm.c |   93 ++++++++++++++++++++++++++++++++-
   8  1 files changed, 92 insertions(+), 1 deletions(-)
   9
  10 diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
  11 index 82020fc..0c305b6 100644
  12 --- a/arch/arm/mach-omap2/board-am335xevm.c
  13 +++ b/arch/arm/mach-omap2/board-am335xevm.c
  14 @@ -660,6 +660,12 @@ static struct pinmux_config bbtoys7a2_pin_mux[] = {
  15         {NULL, 0},
  16  };
  17
  18 +/* Module pin mux for Beagleboardtoys 7" LCD cape */
  19 +static struct pinmux_config bbtoys7a3_pin_mux[] = {
  20 +       {"spi0_sclk.gpio0_2", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // AVDD_EN
  21 +       {"gpmc_a2.ehrpwm1A", OMAP_MUX_MODE6 | AM33XX_PIN_OUTPUT}, // Backlight
  22 +       {NULL, 0},
  23 +};
  24
  25  static struct pinmux_config w1_gpio_pin_mux[] = {
  26         {"gpmc_ad3.gpio1_3",    OMAP_MUX_MODE7 | AM33XX_PIN_INPUT_PULLUP},
  27 @@ -1164,6 +1170,82 @@ static void beaglebone_lcd7_keys_init(int evm_id, int profile)
  28                 pr_err("failed to register gpio keys for LCD7 cape\n");
  29  }
  30
  31 +/* pinmux for lcd7 keys */
  32 +static struct pinmux_config lcd7a3_keys_pin_mux[] = {
  33 +       {"gpmc_a0.gpio1_16",  OMAP_MUX_MODE7 | AM33XX_PIN_INPUT}, //left
  34 +       {"gpmc_a1.gpio1_17",    OMAP_MUX_MODE7 | AM33XX_PIN_INPUT}, //right
  35 +       {"gpmc_a3.gpio1_19",  OMAP_MUX_MODE7 | AM33XX_PIN_INPUT}, //up
  36 +       {"mcasp0_axr0.gpio3_16",    OMAP_MUX_MODE7 | AM33XX_PIN_INPUT}, //down
  37 +       {"sdpi0_d0.gpio0_3",    OMAP_MUX_MODE7 | AM33XX_PIN_INPUT}, //enter
  38 +       {NULL, 0},
  39 +};
  40 +
  41 +/* Configure GPIOs for lcd7 keys */
  42 +static struct gpio_keys_button beaglebone_lcd7a3_gpio_keys[] = {
  43 +       {
  44 +               .code                   = KEY_LEFT,
  45 +               .gpio                   = GPIO_TO_PIN(1, 16),
  46 +               .active_low             = true,
  47 +               .desc                   = "left",
  48 +               .type                   = EV_KEY,
  49 +               .wakeup                 = 1,
  50 +       },
  51 +       {
  52 +               .code                   = KEY_RIGHT,
  53 +               .gpio                   = GPIO_TO_PIN(1, 17),
  54 +               .active_low             = true,
  55 +               .desc                   = "right",
  56 +               .type                   = EV_KEY,
  57 +               .wakeup                 = 1,
  58 +       },
  59 +       {
  60 +               .code                   = KEY_UP,
  61 +               .gpio                   = GPIO_TO_PIN(1, 19),
  62 +               .active_low             = true,
  63 +               .desc                   = "up",
  64 +               .type                   = EV_KEY,
  65 +               .wakeup                 = 1,
  66 +       },
  67 +       {
  68 +               .code                   = KEY_DOWN,
  69 +               .gpio                   = GPIO_TO_PIN(3, 16),
  70 +               .active_low             = true,
  71 +               .desc                   = "down",
  72 +               .type                   = EV_KEY,
  73 +               .wakeup                 = 1,
  74 +       },
  75 +       {
  76 +               .code                   = KEY_ENTER,
  77 +               .gpio                   = GPIO_TO_PIN(0, 3),
  78 +               .active_low             = true,
  79 +               .desc                   = "enter",
  80 +               .type                   = EV_KEY,
  81 +               .wakeup                 = 1,
  82 +       },
  83 +};
  84 +
  85 +static struct gpio_keys_platform_data beaglebone_lcd7a3_gpio_key_info = {
  86 +       .buttons        = beaglebone_lcd7a3_gpio_keys,
  87 +       .nbuttons       = ARRAY_SIZE(beaglebone_lcd7a3_gpio_keys),
  88 +};
  89 +
  90 +static struct platform_device beaglebone_lcd7a3_keys = {
  91 +       .name   = "gpio-keys",
  92 +       .id     = -1,
  93 +       .dev    = {
  94 +               .platform_data  = &beaglebone_lcd7a3_gpio_key_info,
  95 +       },
  96 +};
  97 +
  98 +static void beaglebone_lcd7a3_keys_init(int evm_id, int profile)
  99 +{
 100 +       int err;
 101 +       setup_pin_mux(lcd7a3_keys_pin_mux);
 102 +       err = platform_device_register(&beaglebone_lcd7a3_keys);
 103 +       if (err)
 104 +               pr_err("failed to register gpio keys for LCD7 cape\n");
 105 +}
 106 +
 107  /* pinmux for lcd3 keys */
 108  static struct pinmux_config lcd3_keys_pin_mux[] = {
 109         {"gpmc_a0.gpio1_16",  OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},
 110 @@ -1719,6 +1801,7 @@ static void lcdc_init(int evm_id, int profile)
 111
 112  #define BEAGLEBONE_LCD_AVDD_EN GPIO_TO_PIN(0, 7)
 113  #define BEAGLEBONE_LCD7A2_AVDD_EN GPIO_TO_PIN(1, 31)
 114 +#define BEAGLEBONE_LCD7A3_AVDD_EN GPIO_TO_PIN(0, 2)
 115
 116  static void bbtoys7lcd_init(int evm_id, int profile)
 117  {
 118 @@ -2934,6 +3017,10 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
 119                         setup_pin_mux(bbtoys7a2_pin_mux);
 120                         gpio_request(BEAGLEBONE_LCD7A2_AVDD_EN, "BONE_LCD_AVDD_EN");
 121                         gpio_direction_output(BEAGLEBONE_LCD7A2_AVDD_EN, 1);
 122 +               } else if(!strncmp("00A3", cape_config.version, 4)) {
 123 +                       setup_pin_mux(bbtoys7a3_pin_mux);
 124 +                       gpio_request(BEAGLEBONE_LCD7A3_AVDD_EN, "BONE_LCD_AVDD_EN");
 125 +                       gpio_direction_output(BEAGLEBONE_LCD7A3_AVDD_EN, 1);
 126                 } else {
 127                         setup_pin_mux(bbtoys7_pin_mux);
 128                         gpio_request(BEAGLEBONE_LCD_AVDD_EN, "BONE_LCD_AVDD_EN");
 129 @@ -2948,7 +3035,11 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
 130                 enable_ehrpwm1(0,0);
 131                 beaglebone_tsadcpins_free = 0;
 132                 pr_info("BeagleBone cape: Registering gpio-keys for LCD cape\n");
 133 -               beaglebone_lcd7_keys_init(0,0);
 134 +               if (!strncmp("00A3", cape_config.version, 4)) {
 135 +                       beaglebone_lcd7a3_keys_init(0,0);
 136 +               } else {
 137 +                       beaglebone_lcd7_keys_init(0,0);
 138 +               }
 139
 140                 beaglebone_spi1_free = 0;
 141                 // A1 or newer
 142 --
 143 1.7.7.6
 144