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Diffstat (limited to '')
| -rw-r--r-- | drivers/pinctrl/pinctrl-amd.h | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-amd.h b/drivers/pinctrl/pinctrl-amd.h new file mode 100644 index 000000000..9f95ec9e2 --- /dev/null +++ b/drivers/pinctrl/pinctrl-amd.h @@ -0,0 +1,332 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * GPIO driver for AMD + * + * Copyright (c) 2014,2015 Ken Xue <Ken.Xue@amd.com> + * Jeff Wu <Jeff.Wu@amd.com> + */ + +#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 INTERNAL_GPIO0_DEBOUNCE (1 << 15) +#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(21, "GPIO_21"), + PINCTRL_PIN(22, "GPIO_22"), + PINCTRL_PIN(23, "GPIO_23"), + PINCTRL_PIN(24, "GPIO_24"), + PINCTRL_PIN(25, "GPIO_25"), + PINCTRL_PIN(26, "GPIO_26"), + PINCTRL_PIN(27, "GPIO_27"), + PINCTRL_PIN(28, "GPIO_28"), + PINCTRL_PIN(29, "GPIO_29"), + PINCTRL_PIN(30, "GPIO_30"), + PINCTRL_PIN(31, "GPIO_31"), + PINCTRL_PIN(32, "GPIO_32"), + PINCTRL_PIN(33, "GPIO_33"), + PINCTRL_PIN(34, "GPIO_34"), + PINCTRL_PIN(35, "GPIO_35"), + PINCTRL_PIN(36, "GPIO_36"), + PINCTRL_PIN(37, "GPIO_37"), + PINCTRL_PIN(38, "GPIO_38"), + PINCTRL_PIN(39, "GPIO_39"), + PINCTRL_PIN(40, "GPIO_40"), + PINCTRL_PIN(41, "GPIO_41"), + PINCTRL_PIN(42, "GPIO_42"), + PINCTRL_PIN(43, "GPIO_43"), + PINCTRL_PIN(44, "GPIO_44"), + PINCTRL_PIN(45, "GPIO_45"), + 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(67, "GPIO_67"), + 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(73, "GPIO_73"), + PINCTRL_PIN(74, "GPIO_74"), + PINCTRL_PIN(75, "GPIO_75"), + PINCTRL_PIN(76, "GPIO_76"), + PINCTRL_PIN(77, "GPIO_77"), + PINCTRL_PIN(78, "GPIO_78"), + PINCTRL_PIN(79, "GPIO_79"), + PINCTRL_PIN(80, "GPIO_80"), + PINCTRL_PIN(81, "GPIO_81"), + PINCTRL_PIN(82, "GPIO_82"), + PINCTRL_PIN(83, "GPIO_83"), + 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(94, "GPIO_94"), + 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(103, "GPIO_103"), + PINCTRL_PIN(104, "GPIO_104"), + PINCTRL_PIN(105, "GPIO_105"), + PINCTRL_PIN(106, "GPIO_106"), + PINCTRL_PIN(107, "GPIO_107"), + PINCTRL_PIN(108, "GPIO_108"), + PINCTRL_PIN(109, "GPIO_109"), + PINCTRL_PIN(110, "GPIO_110"), + PINCTRL_PIN(111, "GPIO_111"), + PINCTRL_PIN(112, "GPIO_112"), + 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(123, "GPIO_123"), + PINCTRL_PIN(124, "GPIO_124"), + PINCTRL_PIN(125, "GPIO_125"), + PINCTRL_PIN(126, "GPIO_126"), + PINCTRL_PIN(127, "GPIO_127"), + PINCTRL_PIN(128, "GPIO_128"), + 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(134, "GPIO_134"), + 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(149, "GPIO_149"), + PINCTRL_PIN(150, "GPIO_150"), + PINCTRL_PIN(151, "GPIO_151"), + PINCTRL_PIN(152, "GPIO_152"), + PINCTRL_PIN(153, "GPIO_153"), + PINCTRL_PIN(154, "GPIO_154"), + PINCTRL_PIN(155, "GPIO_155"), + PINCTRL_PIN(156, "GPIO_156"), + PINCTRL_PIN(157, "GPIO_157"), + PINCTRL_PIN(158, "GPIO_158"), + PINCTRL_PIN(159, "GPIO_159"), + PINCTRL_PIN(160, "GPIO_160"), + PINCTRL_PIN(161, "GPIO_161"), + PINCTRL_PIN(162, "GPIO_162"), + PINCTRL_PIN(163, "GPIO_163"), + PINCTRL_PIN(164, "GPIO_164"), + PINCTRL_PIN(165, "GPIO_165"), + 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"), + PINCTRL_PIN(178, "GPIO_178"), + PINCTRL_PIN(179, "GPIO_179"), + PINCTRL_PIN(180, "GPIO_180"), + PINCTRL_PIN(181, "GPIO_181"), + PINCTRL_PIN(182, "GPIO_182"), + PINCTRL_PIN(183, "GPIO_183"), +}; + +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 = 5, + }, + { + .name = "uart1", + .pins = uart1_pins, + .npins = 5, + }, +}; + +#endif |