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  1. /*
  2. * TP-LINK TL-MR13U board support
  3. *
  4. * Copyright (C) 2011 dongyuqi <729650915@qq.com>
  5. * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
  6. *
  7. * This program is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU General Public License version 2 as published
  9. * by the Free Software Foundation.
  10. */
  11. #include <linux/gpio.h>
  12. #include <asm/mach-ath79/ath79.h>
  13. #include "dev-eth.h"
  14. #include "dev-gpio-buttons.h"
  15. #include "dev-leds-gpio.h"
  16. #include "dev-m25p80.h"
  17. #include "dev-usb.h"
  18. #include "dev-wmac.h"
  19. #include "machtypes.h"
  20. #define TL_MR13U_GPIO_LED_SYSTEM 27
  21. #define TL_MR13U_GPIO_BTN_RESET 11
  22. #define TL_MR13U_GPIO_BTN_SW1 6
  23. #define TL_MR13U_GPIO_BTN_SW2 7
  24. #define TL_MR13U_GPIO_USB_POWER 18
  25. #define TL_MR13U_KEYS_POLL_INTERVAL 20 /* msecs */
  26. #define TL_MR13U_KEYS_DEBOUNCE_INTERVAL (3 * TL_MR13U_KEYS_POLL_INTERVAL)
  27. static const char *tl_mr13u_part_probes[] = {
  28. "tp-link",
  29. NULL,
  30. };
  31. static struct flash_platform_data tl_mr13u_flash_data = {
  32. .part_probes = tl_mr13u_part_probes,
  33. };
  34. static struct gpio_led tl_mr13u_leds_gpio[] __initdata = {
  35. {
  36. .name = "tp-link:blue:system",
  37. .gpio = TL_MR13U_GPIO_LED_SYSTEM,
  38. .active_low = 0,
  39. },
  40. };
  41. static struct gpio_keys_button tl_mr13u_gpio_keys[] __initdata = {
  42. {
  43. .desc = "reset",
  44. .type = EV_KEY,
  45. .code = KEY_RESTART,
  46. .debounce_interval = TL_MR13U_KEYS_DEBOUNCE_INTERVAL,
  47. .gpio = TL_MR13U_GPIO_BTN_RESET,
  48. .active_low = 0,
  49. },
  50. {
  51. .desc = "sw1",
  52. .type = EV_KEY,
  53. .code = BTN_0,
  54. .debounce_interval = TL_MR13U_KEYS_DEBOUNCE_INTERVAL,
  55. .gpio = TL_MR13U_GPIO_BTN_SW1,
  56. .active_low = 0,
  57. },
  58. {
  59. .desc = "sw2",
  60. .type = EV_KEY,
  61. .code = BTN_1,
  62. .debounce_interval = TL_MR13U_KEYS_DEBOUNCE_INTERVAL,
  63. .gpio = TL_MR13U_GPIO_BTN_SW2,
  64. .active_low = 0,
  65. },
  66. };
  67. static void __init tl_mr13u_setup(void)
  68. {
  69. u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  70. u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  71. /* disable PHY_SWAP and PHY_ADDR_SWAP bits */
  72. ath79_setup_ar933x_phy4_switch(false, false);
  73. ath79_register_m25p80(&tl_mr13u_flash_data);
  74. ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr13u_leds_gpio),
  75. tl_mr13u_leds_gpio);
  76. ath79_register_gpio_keys_polled(-1, TL_MR13U_KEYS_POLL_INTERVAL,
  77. ARRAY_SIZE(tl_mr13u_gpio_keys),
  78. tl_mr13u_gpio_keys);
  79. gpio_request_one(TL_MR13U_GPIO_USB_POWER,
  80. GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
  81. "USB power");
  82. ath79_register_usb();
  83. ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
  84. ath79_register_mdio(0, 0x0);
  85. ath79_register_eth(0);
  86. ath79_register_wmac(ee, mac);
  87. }
  88. MIPS_MACHINE(ATH79_MACH_TL_MR13U, "TL-MR13U", "TP-LINK TL-MR13U v1",
  89. tl_mr13u_setup);