target/linux/ar71xx/patches-3.2/016-MIPS-ath79-Add-initial-support-for-the-Atheros-AP121.patch

   1 From d7b27740e8376c1c147297b526f9a8e330c1fe17 Mon Sep 17 00:00:00 2001
   2 From: Gabor Juhos <juhosg@openwrt.org>
   3 Date: Mon, 20 Jun 2011 19:26:13 +0200
   4 Subject: [PATCH 16/27] MIPS: ath79: Add initial support for the Atheros AP121 reference board
   5
   6 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
   7 Cc: linux-mips@linux-mips.org
   8 Cc: Kathy Giori <kgiori@qca.qualcomm.com>
   9 Cc: "Luis R.  Rodriguez" <rodrigue@qca.qualcomm.com>
  10 Patchwork: https://patchwork.linux-mips.org/patch/2531/
  11 Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
  12 ---
  13  arch/mips/ath79/Kconfig      |   11 +++++
  14  arch/mips/ath79/Makefile     |    1 +
  15  arch/mips/ath79/mach-ap121.c |   88 ++++++++++++++++++++++++++++++++++++++++++
  16  arch/mips/ath79/machtypes.h  |    1 +
  17  4 files changed, 101 insertions(+), 0 deletions(-)
  18  create mode 100644 arch/mips/ath79/mach-ap121.c
  19
  20 --- a/arch/mips/ath79/Kconfig
  21 +++ b/arch/mips/ath79/Kconfig
  22 @@ -2,6 +2,17 @@ if ATH79
  23
  24  menu "Atheros AR71XX/AR724X/AR913X machine selection"
  25
  26 +config ATH79_MACH_AP121
  27 +       bool "Atheros AP121 reference board"
  28 +       select SOC_AR933X
  29 +       select ATH79_DEV_GPIO_BUTTONS
  30 +       select ATH79_DEV_LEDS_GPIO
  31 +       select ATH79_DEV_SPI
  32 +       select ATH79_DEV_USB
  33 +       help
  34 +         Say 'Y' here if you want your kernel to support the
  35 +         Atheros AP121 reference board.
  36 +
  37  config ATH79_MACH_AP81
  38         bool "Atheros AP81 reference board"
  39         select SOC_AR913X
  40 --- a/arch/mips/ath79/Makefile
  41 +++ b/arch/mips/ath79/Makefile
  42 @@ -25,5 +25,6 @@ obj-$(CONFIG_ATH79_DEV_USB)           += dev-usb.
  43  #
  44  # Machines
  45  #
  46 +obj-$(CONFIG_ATH79_MACH_AP121)         += mach-ap121.o
  47  obj-$(CONFIG_ATH79_MACH_AP81)          += mach-ap81.o
  48  obj-$(CONFIG_ATH79_MACH_PB44)          += mach-pb44.o
  49 --- /dev/null
  50 +++ b/arch/mips/ath79/mach-ap121.c
  51 @@ -0,0 +1,88 @@
  52 +/*
  53 + *  Atheros AP121 board support
  54 + *
  55 + *  Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
  56 + *
  57 + *  This program is free software; you can redistribute it and/or modify it
  58 + *  under the terms of the GNU General Public License version 2 as published
  59 + *  by the Free Software Foundation.
  60 + */
  61 +
  62 +#include "machtypes.h"
  63 +#include "dev-gpio-buttons.h"
  64 +#include "dev-leds-gpio.h"
  65 +#include "dev-spi.h"
  66 +#include "dev-usb.h"
  67 +
  68 +#define AP121_GPIO_LED_WLAN            0
  69 +#define AP121_GPIO_LED_USB             1
  70 +
  71 +#define AP121_GPIO_BTN_JUMPSTART       11
  72 +#define AP121_GPIO_BTN_RESET           12
  73 +
  74 +#define AP121_KEYS_POLL_INTERVAL       20      /* msecs */
  75 +#define AP121_KEYS_DEBOUNCE_INTERVAL   (3 * AP121_KEYS_POLL_INTERVAL)
  76 +
  77 +#define AP121_CAL_DATA_ADDR    0x1fff1000
  78 +
  79 +static struct gpio_led ap121_leds_gpio[] __initdata = {
  80 +       {
  81 +               .name           = "ap121:green:usb",
  82 +               .gpio           = AP121_GPIO_LED_USB,
  83 +               .active_low     = 0,
  84 +       },
  85 +       {
  86 +               .name           = "ap121:green:wlan",
  87 +               .gpio           = AP121_GPIO_LED_WLAN,
  88 +               .active_low     = 0,
  89 +       },
  90 +};
  91 +
  92 +static struct gpio_keys_button ap121_gpio_keys[] __initdata = {
  93 +       {
  94 +               .desc           = "jumpstart button",
  95 +               .type           = EV_KEY,
  96 +               .code           = KEY_WPS_BUTTON,
  97 +               .debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
  98 +               .gpio           = AP121_GPIO_BTN_JUMPSTART,
  99 +               .active_low     = 1,
 100 +       },
 101 +       {
 102 +               .desc           = "reset button",
 103 +               .type           = EV_KEY,
 104 +               .code           = KEY_RESTART,
 105 +               .debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
 106 +               .gpio           = AP121_GPIO_BTN_RESET,
 107 +               .active_low     = 1,
 108 +       }
 109 +};
 110 +
 111 +static struct spi_board_info ap121_spi_info[] = {
 112 +       {
 113 +               .bus_num        = 0,
 114 +               .chip_select    = 0,
 115 +               .max_speed_hz   = 25000000,
 116 +               .modalias       = "mx25l1606e",
 117 +       }
 118 +};
 119 +
 120 +static struct ath79_spi_platform_data ap121_spi_data = {
 121 +       .bus_num        = 0,
 122 +       .num_chipselect = 1,
 123 +};
 124 +
 125 +static void __init ap121_setup(void)
 126 +{
 127 +       ath79_register_leds_gpio(-1, ARRAY_SIZE(ap121_leds_gpio),
 128 +                                ap121_leds_gpio);
 129 +       ath79_register_gpio_keys_polled(-1, AP121_KEYS_POLL_INTERVAL,
 130 +                                       ARRAY_SIZE(ap121_gpio_keys),
 131 +                                       ap121_gpio_keys);
 132 +
 133 +       ath79_register_spi(&ap121_spi_data, ap121_spi_info,
 134 +                          ARRAY_SIZE(ap121_spi_info));
 135 +       ath79_register_usb();
 136 +}
 137 +
 138 +MIPS_MACHINE(ATH79_MACH_AP121, "AP121", "Atheros AP121 reference board",
 139 +            ap121_setup);
 140 --- a/arch/mips/ath79/machtypes.h
 141 +++ b/arch/mips/ath79/machtypes.h
 142 @@ -16,6 +16,7 @@
 143
 144  enum ath79_mach_type {
 145         ATH79_MACH_GENERIC = 0,
 146 +       ATH79_MACH_AP121,               /* Atheros AP121 reference board */
 147         ATH79_MACH_AP81,                /* Atheros AP81 reference board */
 148         ATH79_MACH_PB44,                /* Atheros PB44 reference board */
 149  };