xref: /openbmc/linux/drivers/pinctrl/intel/pinctrl-emmitsburg.c (revision b4f2fcb5)

// SPDX-License-Identifier: GPL-2.0
/*
 * Intel Emmitsburg PCH pinctrl/GPIO driver
 *
 * Copyright (C) 2020, Intel Corporation
 * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
 */

#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>

#include <linux/pinctrl/pinctrl.h>

#include "pinctrl-intel.h"

#define EBG_PAD_OWN	0x0a0
#define EBG_PADCFGLOCK	0x100
#define EBG_HOSTSW_OWN	0x130
#define EBG_GPI_IS	0x200
#define EBG_GPI_IE	0x210

#define EBG_GPP(r, s, e)				\
	{						\
		.reg_num = (r),				\
		.base = (s),				\
		.size = ((e) - (s) + 1),		\
	}

#define EBG_COMMUNITY(b, s, e, g)			\
	{						\
		.barno = (b),				\
		.padown_offset = EBG_PAD_OWN,		\
		.padcfglock_offset = EBG_PADCFGLOCK,	\
		.hostown_offset = EBG_HOSTSW_OWN,	\
		.is_offset = EBG_GPI_IS,		\
		.ie_offset = EBG_GPI_IE,		\
		.pin_base = (s),			\
		.npins = ((e) - (s) + 1),		\
		.gpps = (g),				\
		.ngpps = ARRAY_SIZE(g),			\
	}

/* Emmitsburg */
static const struct pinctrl_pin_desc ebg_pins[] = {
	/* GPP_A */
	PINCTRL_PIN(0, "ESPI_ALERT0B"),
	PINCTRL_PIN(1, "ESPI_ALERT1B"),
	PINCTRL_PIN(2, "ESPI_IO_0"),
	PINCTRL_PIN(3, "ESPI_IO_1"),
	PINCTRL_PIN(4, "ESPI_IO_2"),
	PINCTRL_PIN(5, "ESPI_IO_3"),
	PINCTRL_PIN(6, "ESPI_CS0B"),
	PINCTRL_PIN(7, "ESPI_CS1B"),
	PINCTRL_PIN(8, "ESPI_RESETB"),
	PINCTRL_PIN(9, "ESPI_CLK"),
	PINCTRL_PIN(10, "SRCCLKREQB_0"),
	PINCTRL_PIN(11, "SRCCLKREQB_1"),
	PINCTRL_PIN(12, "SRCCLKREQB_2"),
	PINCTRL_PIN(13, "SRCCLKREQB_3"),
	PINCTRL_PIN(14, "SRCCLKREQB_4"),
	PINCTRL_PIN(15, "SRCCLKREQB_5"),
	PINCTRL_PIN(16, "SRCCLKREQB_6"),
	PINCTRL_PIN(17, "SRCCLKREQB_7"),
	PINCTRL_PIN(18, "SRCCLKREQB_8"),
	PINCTRL_PIN(19, "SRCCLKREQB_9"),
	PINCTRL_PIN(20, "ESPI_CLK_LOOPBK"),
	/* GPP_B */
	PINCTRL_PIN(21, "GSXDOUT"),
	PINCTRL_PIN(22, "GSXSLOAD"),
	PINCTRL_PIN(23, "GSXDIN"),
	PINCTRL_PIN(24, "GSXSRESETB"),
	PINCTRL_PIN(25, "GSXCLK"),
	PINCTRL_PIN(26, "USB2_OCB_0"),
	PINCTRL_PIN(27, "USB2_OCB_1"),
	PINCTRL_PIN(28, "USB2_OCB_2"),
	PINCTRL_PIN(29, "USB2_OCB_3"),
	PINCTRL_PIN(30, "USB2_OCB_4"),
	PINCTRL_PIN(31, "USB2_OCB_5"),
	PINCTRL_PIN(32, "USB2_OCB_6"),
	PINCTRL_PIN(33, "HS_UART0_RXD"),
	PINCTRL_PIN(34, "HS_UART0_TXD"),
	PINCTRL_PIN(35, "HS_UART0_RTSB"),
	PINCTRL_PIN(36, "HS_UART0_CTSB"),
	PINCTRL_PIN(37, "HS_UART1_RXD"),
	PINCTRL_PIN(38, "HS_UART1_TXD"),
	PINCTRL_PIN(39, "HS_UART1_RTSB"),
	PINCTRL_PIN(40, "HS_UART1_CTSB"),
	PINCTRL_PIN(41, "GPPC_B_20"),
	PINCTRL_PIN(42, "GPPC_B_21"),
	PINCTRL_PIN(43, "GPPC_B_22"),
	PINCTRL_PIN(44, "PS_ONB"),
	/* SPI */
	PINCTRL_PIN(45, "SPI0_IO_2"),
	PINCTRL_PIN(46, "SPI0_IO_3"),
	PINCTRL_PIN(47, "SPI0_MOSI_IO_0"),
	PINCTRL_PIN(48, "SPI0_MISO_IO_1"),
	PINCTRL_PIN(49, "SPI0_TPM_CSB"),
	PINCTRL_PIN(50, "SPI0_FLASH_0_CSB"),
	PINCTRL_PIN(51, "SPI0_FLASH_1_CSB"),
	PINCTRL_PIN(52, "SPI0_CLK"),
	PINCTRL_PIN(53, "TIME_SYNC_0"),
	PINCTRL_PIN(54, "SPKR"),
	PINCTRL_PIN(55, "CPU_GP_0"),
	PINCTRL_PIN(56, "CPU_GP_1"),
	PINCTRL_PIN(57, "CPU_GP_2"),
	PINCTRL_PIN(58, "CPU_GP_3"),
	PINCTRL_PIN(59, "SUSWARNB_SUSPWRDNACK"),
	PINCTRL_PIN(60, "SUSACKB"),
	PINCTRL_PIN(61, "NMIB"),
	PINCTRL_PIN(62, "SMIB"),
	PINCTRL_PIN(63, "GPPC_S_10"),
	PINCTRL_PIN(64, "GPPC_S_11"),
	PINCTRL_PIN(65, "SPI_CLK_LOOPBK"),
	/* GPP_C */
	PINCTRL_PIN(66, "ME_SML0CLK"),
	PINCTRL_PIN(67, "ME_SML0DATA"),
	PINCTRL_PIN(68, "ME_SML0ALERTB"),
	PINCTRL_PIN(69, "ME_SML0BDATA"),
	PINCTRL_PIN(70, "ME_SML0BCLK"),
	PINCTRL_PIN(71, "ME_SML0BALERTB"),
	PINCTRL_PIN(72, "ME_SML1CLK"),
	PINCTRL_PIN(73, "ME_SML1DATA"),
	PINCTRL_PIN(74, "ME_SML1ALERTB"),
	PINCTRL_PIN(75, "ME_SML2CLK"),
	PINCTRL_PIN(76, "ME_SML2DATA"),
	PINCTRL_PIN(77, "ME_SML2ALERTB"),
	PINCTRL_PIN(78, "ME_SML3CLK"),
	PINCTRL_PIN(79, "ME_SML3DATA"),
	PINCTRL_PIN(80, "ME_SML3ALERTB"),
	PINCTRL_PIN(81, "ME_SML4CLK"),
	PINCTRL_PIN(82, "ME_SML4DATA"),
	PINCTRL_PIN(83, "ME_SML4ALERTB"),
	PINCTRL_PIN(84, "GPPC_C_18"),
	PINCTRL_PIN(85, "MC_SMBCLK"),
	PINCTRL_PIN(86, "MC_SMBDATA"),
	PINCTRL_PIN(87, "MC_SMBALERTB"),
	/* GPP_D */
	PINCTRL_PIN(88, "HS_SMBCLK"),
	PINCTRL_PIN(89, "HS_SMBDATA"),
	PINCTRL_PIN(90, "HS_SMBALERTB"),
	PINCTRL_PIN(91, "GBE_SMB_ALRT_N"),
	PINCTRL_PIN(92, "GBE_SMB_CLK"),
	PINCTRL_PIN(93, "GBE_SMB_DATA"),
	PINCTRL_PIN(94, "GBE_GPIO10"),
	PINCTRL_PIN(95, "GBE_GPIO11"),
	PINCTRL_PIN(96, "CRASHLOG_TRIG_N"),
	PINCTRL_PIN(97, "PMEB"),
	PINCTRL_PIN(98, "BM_BUSYB"),
	PINCTRL_PIN(99, "PLTRSTB"),
	PINCTRL_PIN(100, "PCHHOTB"),
	PINCTRL_PIN(101, "ADR_COMPLETE"),
	PINCTRL_PIN(102, "ADR_TRIGGER_N"),
	PINCTRL_PIN(103, "VRALERTB"),
	PINCTRL_PIN(104, "ADR_ACK"),
	PINCTRL_PIN(105, "THERMTRIP_N"),
	PINCTRL_PIN(106, "MEMTRIP_N"),
	PINCTRL_PIN(107, "MSMI_N"),
	PINCTRL_PIN(108, "CATERR_N"),
	PINCTRL_PIN(109, "GLB_RST_WARN_B"),
	PINCTRL_PIN(110, "USB2_OCB_7"),
	PINCTRL_PIN(111, "GPP_D_23"),
	/* GPP_E */
	PINCTRL_PIN(112, "SATA1_XPCIE_0"),
	PINCTRL_PIN(113, "SATA1_XPCIE_1"),
	PINCTRL_PIN(114, "SATA1_XPCIE_2"),
	PINCTRL_PIN(115, "SATA1_XPCIE_3"),
	PINCTRL_PIN(116, "SATA0_XPCIE_2"),
	PINCTRL_PIN(117, "SATA0_XPCIE_3"),
	PINCTRL_PIN(118, "SATA0_USB3_XPCIE_0"),
	PINCTRL_PIN(119, "SATA0_USB3_XPCIE_1"),
	PINCTRL_PIN(120, "SATA0_SCLOCK"),
	PINCTRL_PIN(121, "SATA0_SLOAD"),
	PINCTRL_PIN(122, "SATA0_SDATAOUT"),
	PINCTRL_PIN(123, "SATA1_SCLOCK"),
	PINCTRL_PIN(124, "SATA1_SLOAD"),
	PINCTRL_PIN(125, "SATA1_SDATAOUT"),
	PINCTRL_PIN(126, "SATA2_SCLOCK"),
	PINCTRL_PIN(127, "SATA2_SLOAD"),
	PINCTRL_PIN(128, "SATA2_SDATAOUT"),
	PINCTRL_PIN(129, "ERR0_N"),
	PINCTRL_PIN(130, "ERR1_N"),
	PINCTRL_PIN(131, "ERR2_N"),
	PINCTRL_PIN(132, "GBE_UART_RXD"),
	PINCTRL_PIN(133, "GBE_UART_TXD"),
	PINCTRL_PIN(134, "GBE_UART_RTSB"),
	PINCTRL_PIN(135, "GBE_UART_CTSB"),
	/* JTAG */
	PINCTRL_PIN(136, "JTAG_TDO"),
	PINCTRL_PIN(137, "JTAG_TDI"),
	PINCTRL_PIN(138, "JTAG_TCK"),
	PINCTRL_PIN(139, "JTAG_TMS"),
	PINCTRL_PIN(140, "JTAGX"),
	PINCTRL_PIN(141, "PRDYB"),
	PINCTRL_PIN(142, "PREQB"),
	PINCTRL_PIN(143, "GLB_PC_DISABLE"),
	PINCTRL_PIN(144, "DBG_PMODE"),
	PINCTRL_PIN(145, "GLB_EXT_ACC_DISABLE"),
	/* GPP_H */
	PINCTRL_PIN(146, "GBE_GPIO12"),
	PINCTRL_PIN(147, "GBE_GPIO13"),
	PINCTRL_PIN(148, "GBE_SDP_TIMESYNC0_S2N"),
	PINCTRL_PIN(149, "GBE_SDP_TIMESYNC1_S2N"),
	PINCTRL_PIN(150, "GBE_SDP_TIMESYNC2_S2N"),
	PINCTRL_PIN(151, "GBE_SDP_TIMESYNC3_S2N"),
	PINCTRL_PIN(152, "GPPC_H_6"),
	PINCTRL_PIN(153, "GPPC_H_7"),
	PINCTRL_PIN(154, "NCSI_CLK_IN"),
	PINCTRL_PIN(155, "NCSI_CRS_DV"),
	PINCTRL_PIN(156, "NCSI_RXD0"),
	PINCTRL_PIN(157, "NCSI_RXD1"),
	PINCTRL_PIN(158, "NCSI_TX_EN"),
	PINCTRL_PIN(159, "NCSI_TXD0"),
	PINCTRL_PIN(160, "NCSI_TXD1"),
	PINCTRL_PIN(161, "NAC_NCSI_CLK_OUT_0"),
	PINCTRL_PIN(162, "NAC_NCSI_CLK_OUT_1"),
	PINCTRL_PIN(163, "NAC_NCSI_CLK_OUT_2"),
	PINCTRL_PIN(164, "PMCALERTB"),
	PINCTRL_PIN(165, "GPPC_H_19"),
	/* GPP_J */
	PINCTRL_PIN(166, "CPUPWRGD"),
	PINCTRL_PIN(167, "CPU_THRMTRIP_N"),
	PINCTRL_PIN(168, "PLTRST_CPUB"),
	PINCTRL_PIN(169, "TRIGGER0_N"),
	PINCTRL_PIN(170, "TRIGGER1_N"),
	PINCTRL_PIN(171, "CPU_PWR_DEBUG_N"),
	PINCTRL_PIN(172, "CPU_MEMTRIP_N"),
	PINCTRL_PIN(173, "CPU_MSMI_N"),
	PINCTRL_PIN(174, "ME_PECI"),
	PINCTRL_PIN(175, "NAC_SPARE0"),
	PINCTRL_PIN(176, "NAC_SPARE1"),
	PINCTRL_PIN(177, "NAC_SPARE2"),
	PINCTRL_PIN(178, "CPU_ERR0_N"),
	PINCTRL_PIN(179, "CPU_CATERR_N"),
	PINCTRL_PIN(180, "CPU_ERR1_N"),
	PINCTRL_PIN(181, "CPU_ERR2_N"),
	PINCTRL_PIN(182, "GPP_J_16"),
	PINCTRL_PIN(183, "GPP_J_17"),
	/* GPP_I */
	PINCTRL_PIN(184, "GBE_GPIO4"),
	PINCTRL_PIN(185, "GBE_GPIO5"),
	PINCTRL_PIN(186, "GBE_GPIO6"),
	PINCTRL_PIN(187, "GBE_GPIO7"),
	PINCTRL_PIN(188, "GBE1_LED1"),
	PINCTRL_PIN(189, "GBE1_LED2"),
	PINCTRL_PIN(190, "GBE2_LED0"),
	PINCTRL_PIN(191, "GBE2_LED1"),
	PINCTRL_PIN(192, "GBE2_LED2"),
	PINCTRL_PIN(193, "GBE3_LED0"),
	PINCTRL_PIN(194, "GBE3_LED1"),
	PINCTRL_PIN(195, "GBE3_LED2"),
	PINCTRL_PIN(196, "GBE0_I2C_CLK"),
	PINCTRL_PIN(197, "GBE0_I2C_DATA"),
	PINCTRL_PIN(198, "GBE1_I2C_CLK"),
	PINCTRL_PIN(199, "GBE1_I2C_DATA"),
	PINCTRL_PIN(200, "GBE2_I2C_CLK"),
	PINCTRL_PIN(201, "GBE2_I2C_DATA"),
	PINCTRL_PIN(202, "GBE3_I2C_CLK"),
	PINCTRL_PIN(203, "GBE3_I2C_DATA"),
	PINCTRL_PIN(204, "GBE4_I2C_CLK"),
	PINCTRL_PIN(205, "GBE4_I2C_DATA"),
	PINCTRL_PIN(206, "GBE_GPIO8"),
	PINCTRL_PIN(207, "GBE_GPIO9"),
	/* GPP_L */
	PINCTRL_PIN(208, "PM_SYNC_0"),
	PINCTRL_PIN(209, "PM_DOWN_0"),
	PINCTRL_PIN(210, "PM_SYNC_CLK_0"),
	PINCTRL_PIN(211, "GPP_L_3"),
	PINCTRL_PIN(212, "GPP_L_4"),
	PINCTRL_PIN(213, "GPP_L_5"),
	PINCTRL_PIN(214, "GPP_L_6"),
	PINCTRL_PIN(215, "GPP_L_7"),
	PINCTRL_PIN(216, "GPP_L_8"),
	PINCTRL_PIN(217, "NAC_GBE_GPIO0_S2N"),
	PINCTRL_PIN(218, "NAC_GBE_GPIO1_S2N"),
	PINCTRL_PIN(219, "NAC_GBE_GPIO2_S2N"),
	PINCTRL_PIN(220, "NAC_GBE_GPIO3_S2N"),
	PINCTRL_PIN(221, "NAC_GBE_SMB_DATA_IN"),
	PINCTRL_PIN(222, "NAC_GBE_SMB_DATA_OUT"),
	PINCTRL_PIN(223, "NAC_GBE_SMB_ALRT_N"),
	PINCTRL_PIN(224, "NAC_GBE_SMB_CLK_IN"),
	PINCTRL_PIN(225, "NAC_GBE_SMB_CLK_OUT"),
	/* GPP_M */
	PINCTRL_PIN(226, "GPP_M_0"),
	PINCTRL_PIN(227, "GPP_M_1"),
	PINCTRL_PIN(228, "GPP_M_2"),
	PINCTRL_PIN(229, "GPP_M_3"),
	PINCTRL_PIN(230, "NAC_WAKE_N"),
	PINCTRL_PIN(231, "GPP_M_5"),
	PINCTRL_PIN(232, "GPP_M_6"),
	PINCTRL_PIN(233, "GPP_M_7"),
	PINCTRL_PIN(234, "GPP_M_8"),
	PINCTRL_PIN(235, "NAC_SBLINK_S2N"),
	PINCTRL_PIN(236, "NAC_SBLINK_N2S"),
	PINCTRL_PIN(237, "NAC_SBLINK_CLK_N2S"),
	PINCTRL_PIN(238, "NAC_SBLINK_CLK_S2N"),
	PINCTRL_PIN(239, "NAC_XTAL_VALID"),
	PINCTRL_PIN(240, "NAC_RESET_NAC_N"),
	PINCTRL_PIN(241, "GPP_M_15"),
	PINCTRL_PIN(242, "GPP_M_16"),
	PINCTRL_PIN(243, "GPP_M_17"),
	/* GPP_N */
	PINCTRL_PIN(244, "GPP_N_0"),
	PINCTRL_PIN(245, "NAC_NCSI_TXD0"),
	PINCTRL_PIN(246, "GPP_N_2"),
	PINCTRL_PIN(247, "GPP_N_3"),
	PINCTRL_PIN(248, "NAC_NCSI_REFCLK_IN"),
	PINCTRL_PIN(249, "GPP_N_5"),
	PINCTRL_PIN(250, "GPP_N_6"),
	PINCTRL_PIN(251, "GPP_N_7"),
	PINCTRL_PIN(252, "NAC_NCSI_RXD0"),
	PINCTRL_PIN(253, "NAC_NCSI_RXD1"),
	PINCTRL_PIN(254, "NAC_NCSI_CRS_DV"),
	PINCTRL_PIN(255, "NAC_NCSI_CLK_IN"),
	PINCTRL_PIN(256, "NAC_NCSI_REFCLK_OUT"),
	PINCTRL_PIN(257, "NAC_NCSI_TX_EN"),
	PINCTRL_PIN(258, "NAC_NCSI_TXD1"),
	PINCTRL_PIN(259, "NAC_NCSI_OE_N"),
	PINCTRL_PIN(260, "NAC_GR_N"),
	PINCTRL_PIN(261, "NAC_INIT_SX_WAKE_N"),
};

static const struct intel_padgroup ebg_community0_gpps[] = {
	EBG_GPP(0, 0, 20),	/* GPP_A */
	EBG_GPP(1, 21, 44),	/* GPP_B */
	EBG_GPP(2, 45, 65),	/* SPI */
};

static const struct intel_padgroup ebg_community1_gpps[] = {
	EBG_GPP(0, 66, 87),	/* GPP_C */
	EBG_GPP(1, 88, 111),	/* GPP_D */
};

static const struct intel_padgroup ebg_community3_gpps[] = {
	EBG_GPP(0, 112, 135),	/* GPP_E */
	EBG_GPP(1, 136, 145),	/* JTAG */
};

static const struct intel_padgroup ebg_community4_gpps[] = {
	EBG_GPP(0, 146, 165),	/* GPP_H */
	EBG_GPP(1, 166, 183),	/* GPP_J */
};

static const struct intel_padgroup ebg_community5_gpps[] = {
	EBG_GPP(0, 184, 207),	/* GPP_I */
	EBG_GPP(1, 208, 225),	/* GPP_L */
	EBG_GPP(2, 226, 243),	/* GPP_M */
	EBG_GPP(3, 244, 261),	/* GPP_N */
};

static const struct intel_community ebg_communities[] = {
	EBG_COMMUNITY(0, 0, 65, ebg_community0_gpps),
	EBG_COMMUNITY(1, 66, 111, ebg_community1_gpps),
	EBG_COMMUNITY(2, 112, 145, ebg_community3_gpps),
	EBG_COMMUNITY(3, 146, 183, ebg_community4_gpps),
	EBG_COMMUNITY(4, 184, 261, ebg_community5_gpps),
};

static const struct intel_pinctrl_soc_data ebg_soc_data = {
	.pins = ebg_pins,
	.npins = ARRAY_SIZE(ebg_pins),
	.communities = ebg_communities,
	.ncommunities = ARRAY_SIZE(ebg_communities),
};

static const struct acpi_device_id ebg_pinctrl_acpi_match[] = {
	{ "INTC1071", (kernel_ulong_t)&ebg_soc_data },
	{ }
};
MODULE_DEVICE_TABLE(acpi, ebg_pinctrl_acpi_match);

static INTEL_PINCTRL_PM_OPS(ebg_pinctrl_pm_ops);

static struct platform_driver ebg_pinctrl_driver = {
	.probe = intel_pinctrl_probe_by_hid,
	.driver = {
		.name = "emmitsburg-pinctrl",
		.acpi_match_table = ebg_pinctrl_acpi_match,
		.pm = &ebg_pinctrl_pm_ops,
	},
};

module_platform_driver(ebg_pinctrl_driver);

MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
MODULE_DESCRIPTION("Intel Emmitsburg PCH pinctrl/GPIO driver");
MODULE_LICENSE("GPL v2");