/* * 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 TOTAL_NUMBER_OF_PINS 192 #define AMD_GPIO_PINS_PER_BANK 64 #define AMD_GPIO_TOTAL_BANKS 3 #define AMD_GPIO_PINS_BANK0 63 #define AMD_GPIO_PINS_BANK1 64 #define AMD_GPIO_PINS_BANK2 56 #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 13 #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 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 { spinlock_t lock; void __iomem *base; const struct amd_pingroup *groups; u32 ngroups; struct pinctrl_dev *pctrl; struct gpio_chip gc; struct resource *res; struct platform_device *pdev; }; /* 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