pinctrl-sun8i-a23-r.c 3.9 KB

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  1. /*
  2. * Allwinner A23 SoCs special pins pinctrl driver.
  3. *
  4. * Copyright (C) 2014 Chen-Yu Tsai
  5. * Chen-Yu Tsai <[email protected]>
  6. *
  7. * Copyright (C) 2014 Boris Brezillon
  8. * Boris Brezillon <[email protected]>
  9. *
  10. * Copyright (C) 2014 Maxime Ripard
  11. * Maxime Ripard <[email protected]>
  12. *
  13. * This file is licensed under the terms of the GNU General Public
  14. * License version 2. This program is licensed "as is" without any
  15. * warranty of any kind, whether express or implied.
  16. */
  17. #include <linux/init.h>
  18. #include <linux/platform_device.h>
  19. #include <linux/of.h>
  20. #include <linux/of_device.h>
  21. #include <linux/pinctrl/pinctrl.h>
  22. #include "pinctrl-sunxi.h"
  23. static const struct sunxi_desc_pin sun8i_a23_r_pins[] = {
  24. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
  25. SUNXI_FUNCTION(0x0, "gpio_in"),
  26. SUNXI_FUNCTION(0x1, "gpio_out"),
  27. SUNXI_FUNCTION(0x2, "s_rsb"), /* SCK */
  28. SUNXI_FUNCTION(0x3, "s_i2c"), /* SCK */
  29. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 0)), /* PL_EINT0 */
  30. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  31. SUNXI_FUNCTION(0x0, "gpio_in"),
  32. SUNXI_FUNCTION(0x1, "gpio_out"),
  33. SUNXI_FUNCTION(0x2, "s_rsb"), /* SDA */
  34. SUNXI_FUNCTION(0x3, "s_i2c"), /* SDA */
  35. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 1)), /* PL_EINT1 */
  36. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
  37. SUNXI_FUNCTION(0x0, "gpio_in"),
  38. SUNXI_FUNCTION(0x1, "gpio_out"),
  39. SUNXI_FUNCTION(0x2, "s_uart"), /* TX */
  40. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 2)), /* PL_EINT2 */
  41. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
  42. SUNXI_FUNCTION(0x0, "gpio_in"),
  43. SUNXI_FUNCTION(0x1, "gpio_out"),
  44. SUNXI_FUNCTION(0x2, "s_uart"), /* RX */
  45. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 3)), /* PL_EINT3 */
  46. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
  47. SUNXI_FUNCTION(0x0, "gpio_in"),
  48. SUNXI_FUNCTION(0x1, "gpio_out"),
  49. SUNXI_FUNCTION(0x3, "s_jtag"), /* MS */
  50. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 4)), /* PL_EINT4 */
  51. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
  52. SUNXI_FUNCTION(0x0, "gpio_in"),
  53. SUNXI_FUNCTION(0x1, "gpio_out"),
  54. SUNXI_FUNCTION(0x3, "s_jtag"), /* CK */
  55. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 5)), /* PL_EINT5 */
  56. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
  57. SUNXI_FUNCTION(0x0, "gpio_in"),
  58. SUNXI_FUNCTION(0x1, "gpio_out"),
  59. SUNXI_FUNCTION(0x3, "s_jtag"), /* DO */
  60. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 6)), /* PL_EINT6 */
  61. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
  62. SUNXI_FUNCTION(0x0, "gpio_in"),
  63. SUNXI_FUNCTION(0x1, "gpio_out"),
  64. SUNXI_FUNCTION(0x3, "s_jtag"), /* DI */
  65. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 7)), /* PL_EINT7 */
  66. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
  67. SUNXI_FUNCTION(0x0, "gpio_in"),
  68. SUNXI_FUNCTION(0x1, "gpio_out"),
  69. SUNXI_FUNCTION(0x2, "s_twi"), /* SCK */
  70. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 8)), /* PL_EINT8 */
  71. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
  72. SUNXI_FUNCTION(0x0, "gpio_in"),
  73. SUNXI_FUNCTION(0x1, "gpio_out"),
  74. SUNXI_FUNCTION(0x2, "s_twi"), /* SDA */
  75. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 9)), /* PL_EINT9 */
  76. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
  77. SUNXI_FUNCTION(0x0, "gpio_in"),
  78. SUNXI_FUNCTION(0x1, "gpio_out"),
  79. SUNXI_FUNCTION(0x2, "s_pwm"),
  80. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 10)), /* PL_EINT10 */
  81. SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
  82. SUNXI_FUNCTION(0x0, "gpio_in"),
  83. SUNXI_FUNCTION(0x1, "gpio_out"),
  84. SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 11)), /* PL_EINT11 */
  85. };
  86. static const struct sunxi_pinctrl_desc sun8i_a23_r_pinctrl_data = {
  87. .pins = sun8i_a23_r_pins,
  88. .npins = ARRAY_SIZE(sun8i_a23_r_pins),
  89. .pin_base = PL_BASE,
  90. .irq_banks = 1,
  91. .disable_strict_mode = true,
  92. };
  93. static int sun8i_a23_r_pinctrl_probe(struct platform_device *pdev)
  94. {
  95. return sunxi_pinctrl_init(pdev, &sun8i_a23_r_pinctrl_data);
  96. }
  97. static const struct of_device_id sun8i_a23_r_pinctrl_match[] = {
  98. { .compatible = "allwinner,sun8i-a23-r-pinctrl", },
  99. {}
  100. };
  101. static struct platform_driver sun8i_a23_r_pinctrl_driver = {
  102. .probe = sun8i_a23_r_pinctrl_probe,
  103. .driver = {
  104. .name = "sun8i-a23-r-pinctrl",
  105. .of_match_table = sun8i_a23_r_pinctrl_match,
  106. },
  107. };
  108. builtin_platform_driver(sun8i_a23_r_pinctrl_driver);