| /* |
| * GPIO driver for AMD |
| * |
| * Copyright (c) 2014,2015 Ken Xue <Ken.Xue@amd.com> |
| * Jeff Wu <Jeff.Wu@amd.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| */ |
| |
| #ifndef _PINCTRL_AMD_H |
| #define _PINCTRL_AMD_H |
| |
| #define AMD_GPIO_PINS_PER_BANK 64 |
| |
| #define AMD_GPIO_PINS_BANK0 63 |
| #define AMD_GPIO_PINS_BANK1 64 |
| #define AMD_GPIO_PINS_BANK2 56 |
| #define AMD_GPIO_PINS_BANK3 32 |
| |
| #define WAKE_INT_MASTER_REG 0xfc |
| #define EOI_MASK (1 << 29) |
| |
| #define WAKE_INT_STATUS_REG0 0x2f8 |
| #define WAKE_INT_STATUS_REG1 0x2fc |
| |
| #define DB_TMR_OUT_OFF 0 |
| #define DB_TMR_OUT_UNIT_OFF 4 |
| #define DB_CNTRL_OFF 5 |
| #define DB_TMR_LARGE_OFF 7 |
| #define LEVEL_TRIG_OFF 8 |
| #define ACTIVE_LEVEL_OFF 9 |
| #define INTERRUPT_ENABLE_OFF 11 |
| #define INTERRUPT_MASK_OFF 12 |
| #define WAKE_CNTRL_OFF_S0I3 13 |
| #define WAKE_CNTRL_OFF_S3 14 |
| #define WAKE_CNTRL_OFF_S4 15 |
| #define PIN_STS_OFF 16 |
| #define DRV_STRENGTH_SEL_OFF 17 |
| #define PULL_UP_SEL_OFF 19 |
| #define PULL_UP_ENABLE_OFF 20 |
| #define PULL_DOWN_ENABLE_OFF 21 |
| #define OUTPUT_VALUE_OFF 22 |
| #define OUTPUT_ENABLE_OFF 23 |
| #define SW_CNTRL_IN_OFF 24 |
| #define SW_CNTRL_EN_OFF 25 |
| #define INTERRUPT_STS_OFF 28 |
| #define WAKE_STS_OFF 29 |
| |
| #define DB_TMR_OUT_MASK 0xFUL |
| #define DB_CNTRl_MASK 0x3UL |
| #define ACTIVE_LEVEL_MASK 0x3UL |
| #define DRV_STRENGTH_SEL_MASK 0x3UL |
| |
| #define ACTIVE_LEVEL_HIGH 0x0UL |
| #define ACTIVE_LEVEL_LOW 0x1UL |
| #define ACTIVE_LEVEL_BOTH 0x2UL |
| |
| #define DB_TYPE_NO_DEBOUNCE 0x0UL |
| #define DB_TYPE_PRESERVE_LOW_GLITCH 0x1UL |
| #define DB_TYPE_PRESERVE_HIGH_GLITCH 0x2UL |
| #define DB_TYPE_REMOVE_GLITCH 0x3UL |
| |
| #define EDGE_TRAGGER 0x0UL |
| #define LEVEL_TRIGGER 0x1UL |
| |
| #define ACTIVE_HIGH 0x0UL |
| #define ACTIVE_LOW 0x1UL |
| #define BOTH_EADGE 0x2UL |
| |
| #define ENABLE_INTERRUPT 0x1UL |
| #define DISABLE_INTERRUPT 0x0UL |
| |
| #define ENABLE_INTERRUPT_MASK 0x0UL |
| #define DISABLE_INTERRUPT_MASK 0x1UL |
| |
| #define CLR_INTR_STAT 0x1UL |
| |
| struct amd_pingroup { |
| const char *name; |
| const unsigned *pins; |
| unsigned npins; |
| }; |
| |
| struct amd_function { |
| const char *name; |
| const char * const *groups; |
| unsigned ngroups; |
| }; |
| |
| struct amd_gpio { |
| raw_spinlock_t lock; |
| void __iomem *base; |
| |
| const struct amd_pingroup *groups; |
| u32 ngroups; |
| struct pinctrl_dev *pctrl; |
| struct gpio_chip gc; |
| unsigned int hwbank_num; |
| struct resource *res; |
| struct platform_device *pdev; |
| u32 *saved_regs; |
| }; |
| |
| /* KERNCZ configuration*/ |
| static const struct pinctrl_pin_desc kerncz_pins[] = { |
| PINCTRL_PIN(0, "GPIO_0"), |
| PINCTRL_PIN(1, "GPIO_1"), |
| PINCTRL_PIN(2, "GPIO_2"), |
| PINCTRL_PIN(3, "GPIO_3"), |
| PINCTRL_PIN(4, "GPIO_4"), |
| PINCTRL_PIN(5, "GPIO_5"), |
| PINCTRL_PIN(6, "GPIO_6"), |
| PINCTRL_PIN(7, "GPIO_7"), |
| PINCTRL_PIN(8, "GPIO_8"), |
| PINCTRL_PIN(9, "GPIO_9"), |
| PINCTRL_PIN(10, "GPIO_10"), |
| PINCTRL_PIN(11, "GPIO_11"), |
| PINCTRL_PIN(12, "GPIO_12"), |
| PINCTRL_PIN(13, "GPIO_13"), |
| PINCTRL_PIN(14, "GPIO_14"), |
| PINCTRL_PIN(15, "GPIO_15"), |
| PINCTRL_PIN(16, "GPIO_16"), |
| PINCTRL_PIN(17, "GPIO_17"), |
| PINCTRL_PIN(18, "GPIO_18"), |
| PINCTRL_PIN(19, "GPIO_19"), |
| PINCTRL_PIN(20, "GPIO_20"), |
| PINCTRL_PIN(23, "GPIO_23"), |
| PINCTRL_PIN(24, "GPIO_24"), |
| PINCTRL_PIN(25, "GPIO_25"), |
| PINCTRL_PIN(26, "GPIO_26"), |
| PINCTRL_PIN(39, "GPIO_39"), |
| PINCTRL_PIN(40, "GPIO_40"), |
| PINCTRL_PIN(43, "GPIO_42"), |
| PINCTRL_PIN(46, "GPIO_46"), |
| PINCTRL_PIN(47, "GPIO_47"), |
| PINCTRL_PIN(48, "GPIO_48"), |
| PINCTRL_PIN(49, "GPIO_49"), |
| PINCTRL_PIN(50, "GPIO_50"), |
| PINCTRL_PIN(51, "GPIO_51"), |
| PINCTRL_PIN(52, "GPIO_52"), |
| PINCTRL_PIN(53, "GPIO_53"), |
| PINCTRL_PIN(54, "GPIO_54"), |
| PINCTRL_PIN(55, "GPIO_55"), |
| PINCTRL_PIN(56, "GPIO_56"), |
| PINCTRL_PIN(57, "GPIO_57"), |
| PINCTRL_PIN(58, "GPIO_58"), |
| PINCTRL_PIN(59, "GPIO_59"), |
| PINCTRL_PIN(60, "GPIO_60"), |
| PINCTRL_PIN(61, "GPIO_61"), |
| PINCTRL_PIN(62, "GPIO_62"), |
| PINCTRL_PIN(64, "GPIO_64"), |
| PINCTRL_PIN(65, "GPIO_65"), |
| PINCTRL_PIN(66, "GPIO_66"), |
| PINCTRL_PIN(68, "GPIO_68"), |
| PINCTRL_PIN(69, "GPIO_69"), |
| PINCTRL_PIN(70, "GPIO_70"), |
| PINCTRL_PIN(71, "GPIO_71"), |
| PINCTRL_PIN(72, "GPIO_72"), |
| PINCTRL_PIN(74, "GPIO_74"), |
| PINCTRL_PIN(75, "GPIO_75"), |
| PINCTRL_PIN(76, "GPIO_76"), |
| PINCTRL_PIN(84, "GPIO_84"), |
| PINCTRL_PIN(85, "GPIO_85"), |
| PINCTRL_PIN(86, "GPIO_86"), |
| PINCTRL_PIN(87, "GPIO_87"), |
| PINCTRL_PIN(88, "GPIO_88"), |
| PINCTRL_PIN(89, "GPIO_89"), |
| PINCTRL_PIN(90, "GPIO_90"), |
| PINCTRL_PIN(91, "GPIO_91"), |
| PINCTRL_PIN(92, "GPIO_92"), |
| PINCTRL_PIN(93, "GPIO_93"), |
| PINCTRL_PIN(95, "GPIO_95"), |
| PINCTRL_PIN(96, "GPIO_96"), |
| PINCTRL_PIN(97, "GPIO_97"), |
| PINCTRL_PIN(98, "GPIO_98"), |
| PINCTRL_PIN(99, "GPIO_99"), |
| PINCTRL_PIN(100, "GPIO_100"), |
| PINCTRL_PIN(101, "GPIO_101"), |
| PINCTRL_PIN(102, "GPIO_102"), |
| PINCTRL_PIN(113, "GPIO_113"), |
| PINCTRL_PIN(114, "GPIO_114"), |
| PINCTRL_PIN(115, "GPIO_115"), |
| PINCTRL_PIN(116, "GPIO_116"), |
| PINCTRL_PIN(117, "GPIO_117"), |
| PINCTRL_PIN(118, "GPIO_118"), |
| PINCTRL_PIN(119, "GPIO_119"), |
| PINCTRL_PIN(120, "GPIO_120"), |
| PINCTRL_PIN(121, "GPIO_121"), |
| PINCTRL_PIN(122, "GPIO_122"), |
| PINCTRL_PIN(126, "GPIO_126"), |
| PINCTRL_PIN(129, "GPIO_129"), |
| PINCTRL_PIN(130, "GPIO_130"), |
| PINCTRL_PIN(131, "GPIO_131"), |
| PINCTRL_PIN(132, "GPIO_132"), |
| PINCTRL_PIN(133, "GPIO_133"), |
| PINCTRL_PIN(135, "GPIO_135"), |
| PINCTRL_PIN(136, "GPIO_136"), |
| PINCTRL_PIN(137, "GPIO_137"), |
| PINCTRL_PIN(138, "GPIO_138"), |
| PINCTRL_PIN(139, "GPIO_139"), |
| PINCTRL_PIN(140, "GPIO_140"), |
| PINCTRL_PIN(141, "GPIO_141"), |
| PINCTRL_PIN(142, "GPIO_142"), |
| PINCTRL_PIN(143, "GPIO_143"), |
| PINCTRL_PIN(144, "GPIO_144"), |
| PINCTRL_PIN(145, "GPIO_145"), |
| PINCTRL_PIN(146, "GPIO_146"), |
| PINCTRL_PIN(147, "GPIO_147"), |
| PINCTRL_PIN(148, "GPIO_148"), |
| PINCTRL_PIN(166, "GPIO_166"), |
| PINCTRL_PIN(167, "GPIO_167"), |
| PINCTRL_PIN(168, "GPIO_168"), |
| PINCTRL_PIN(169, "GPIO_169"), |
| PINCTRL_PIN(170, "GPIO_170"), |
| PINCTRL_PIN(171, "GPIO_171"), |
| PINCTRL_PIN(172, "GPIO_172"), |
| PINCTRL_PIN(173, "GPIO_173"), |
| PINCTRL_PIN(174, "GPIO_174"), |
| PINCTRL_PIN(175, "GPIO_175"), |
| PINCTRL_PIN(176, "GPIO_176"), |
| PINCTRL_PIN(177, "GPIO_177"), |
| }; |
| |
| static const unsigned i2c0_pins[] = {145, 146}; |
| static const unsigned i2c1_pins[] = {147, 148}; |
| static const unsigned i2c2_pins[] = {113, 114}; |
| static const unsigned i2c3_pins[] = {19, 20}; |
| |
| static const unsigned uart0_pins[] = {135, 136, 137, 138, 139}; |
| static const unsigned uart1_pins[] = {140, 141, 142, 143, 144}; |
| |
| static const struct amd_pingroup kerncz_groups[] = { |
| { |
| .name = "i2c0", |
| .pins = i2c0_pins, |
| .npins = 2, |
| }, |
| { |
| .name = "i2c1", |
| .pins = i2c1_pins, |
| .npins = 2, |
| }, |
| { |
| .name = "i2c2", |
| .pins = i2c2_pins, |
| .npins = 2, |
| }, |
| { |
| .name = "i2c3", |
| .pins = i2c3_pins, |
| .npins = 2, |
| }, |
| { |
| .name = "uart0", |
| .pins = uart0_pins, |
| .npins = 9, |
| }, |
| { |
| .name = "uart1", |
| .pins = uart1_pins, |
| .npins = 5, |
| }, |
| }; |
| |
| #endif |
