mirror of https://gitee.com/openkylin/linux.git
337 lines
11 KiB
C
337 lines
11 KiB
C
/*
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* Intel Sunrisepoint PCH pinctrl/GPIO driver
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*
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* Copyright (C) 2015, Intel Corporation
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* Authors: Mathias Nyman <mathias.nyman@linux.intel.com>
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* Mika Westerberg <mika.westerberg@linux.intel.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/acpi.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/pm.h>
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#include <linux/pinctrl/pinctrl.h>
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#include "pinctrl-intel.h"
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#define SPT_PAD_OWN 0x020
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#define SPT_PADCFGLOCK 0x0a0
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#define SPT_HOSTSW_OWN 0x0d0
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#define SPT_GPI_IE 0x120
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#define SPT_COMMUNITY(b, s, e) \
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{ \
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.barno = (b), \
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.padown_offset = SPT_PAD_OWN, \
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.padcfglock_offset = SPT_PADCFGLOCK, \
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.hostown_offset = SPT_HOSTSW_OWN, \
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.ie_offset = SPT_GPI_IE, \
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.pin_base = (s), \
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.npins = ((e) - (s) + 1), \
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}
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/* Sunrisepoint-LP */
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static const struct pinctrl_pin_desc sptlp_pins[] = {
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/* GPP_A */
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PINCTRL_PIN(0, "RCINB"),
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PINCTRL_PIN(1, "LAD_0"),
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PINCTRL_PIN(2, "LAD_1"),
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PINCTRL_PIN(3, "LAD_2"),
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PINCTRL_PIN(4, "LAD_3"),
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PINCTRL_PIN(5, "LFRAMEB"),
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PINCTRL_PIN(6, "SERIQ"),
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PINCTRL_PIN(7, "PIRQAB"),
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PINCTRL_PIN(8, "CLKRUNB"),
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PINCTRL_PIN(9, "CLKOUT_LPC_0"),
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PINCTRL_PIN(10, "CLKOUT_LPC_1"),
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PINCTRL_PIN(11, "PMEB"),
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PINCTRL_PIN(12, "BM_BUSYB"),
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PINCTRL_PIN(13, "SUSWARNB_SUS_PWRDNACK"),
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PINCTRL_PIN(14, "SUS_STATB"),
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PINCTRL_PIN(15, "SUSACKB"),
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PINCTRL_PIN(16, "SD_1P8_SEL"),
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PINCTRL_PIN(17, "SD_PWR_EN_B"),
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PINCTRL_PIN(18, "ISH_GP_0"),
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PINCTRL_PIN(19, "ISH_GP_1"),
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PINCTRL_PIN(20, "ISH_GP_2"),
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PINCTRL_PIN(21, "ISH_GP_3"),
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PINCTRL_PIN(22, "ISH_GP_4"),
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PINCTRL_PIN(23, "ISH_GP_5"),
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/* GPP_B */
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PINCTRL_PIN(24, "CORE_VID_0"),
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PINCTRL_PIN(25, "CORE_VID_1"),
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PINCTRL_PIN(26, "VRALERTB"),
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PINCTRL_PIN(27, "CPU_GP_2"),
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PINCTRL_PIN(28, "CPU_GP_3"),
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PINCTRL_PIN(29, "SRCCLKREQB_0"),
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PINCTRL_PIN(30, "SRCCLKREQB_1"),
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PINCTRL_PIN(31, "SRCCLKREQB_2"),
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PINCTRL_PIN(32, "SRCCLKREQB_3"),
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PINCTRL_PIN(33, "SRCCLKREQB_4"),
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PINCTRL_PIN(34, "SRCCLKREQB_5"),
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PINCTRL_PIN(35, "EXT_PWR_GATEB"),
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PINCTRL_PIN(36, "SLP_S0B"),
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PINCTRL_PIN(37, "PLTRSTB"),
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PINCTRL_PIN(38, "SPKR"),
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PINCTRL_PIN(39, "GSPI0_CSB"),
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PINCTRL_PIN(40, "GSPI0_CLK"),
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PINCTRL_PIN(41, "GSPI0_MISO"),
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PINCTRL_PIN(42, "GSPI0_MOSI"),
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PINCTRL_PIN(43, "GSPI1_CSB"),
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PINCTRL_PIN(44, "GSPI1_CLK"),
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PINCTRL_PIN(45, "GSPI1_MISO"),
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PINCTRL_PIN(46, "GSPI1_MOSI"),
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PINCTRL_PIN(47, "SML1ALERTB"),
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/* GPP_C */
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PINCTRL_PIN(48, "SMBCLK"),
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PINCTRL_PIN(49, "SMBDATA"),
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PINCTRL_PIN(50, "SMBALERTB"),
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PINCTRL_PIN(51, "SML0CLK"),
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PINCTRL_PIN(52, "SML0DATA"),
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PINCTRL_PIN(53, "SML0ALERTB"),
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PINCTRL_PIN(54, "SML1CLK"),
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PINCTRL_PIN(55, "SML1DATA"),
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PINCTRL_PIN(56, "UART0_RXD"),
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PINCTRL_PIN(57, "UART0_TXD"),
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PINCTRL_PIN(58, "UART0_RTSB"),
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PINCTRL_PIN(59, "UART0_CTSB"),
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PINCTRL_PIN(60, "UART1_RXD"),
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PINCTRL_PIN(61, "UART1_TXD"),
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PINCTRL_PIN(62, "UART1_RTSB"),
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PINCTRL_PIN(63, "UART1_CTSB"),
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PINCTRL_PIN(64, "I2C0_SDA"),
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PINCTRL_PIN(65, "I2C0_SCL"),
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PINCTRL_PIN(66, "I2C1_SDA"),
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PINCTRL_PIN(67, "I2C1_SCL"),
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PINCTRL_PIN(68, "UART2_RXD"),
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PINCTRL_PIN(69, "UART2_TXD"),
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PINCTRL_PIN(70, "UART2_RTSB"),
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PINCTRL_PIN(71, "UART2_CTSB"),
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/* GPP_D */
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PINCTRL_PIN(72, "SPI1_CSB"),
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PINCTRL_PIN(73, "SPI1_CLK"),
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PINCTRL_PIN(74, "SPI1_MISO_IO_1"),
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PINCTRL_PIN(75, "SPI1_MOSI_IO_0"),
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PINCTRL_PIN(76, "FLASHTRIG"),
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PINCTRL_PIN(77, "ISH_I2C0_SDA"),
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PINCTRL_PIN(78, "ISH_I2C0_SCL"),
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PINCTRL_PIN(79, "ISH_I2C1_SDA"),
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PINCTRL_PIN(80, "ISH_I2C1_SCL"),
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PINCTRL_PIN(81, "ISH_SPI_CSB"),
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PINCTRL_PIN(82, "ISH_SPI_CLK"),
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PINCTRL_PIN(83, "ISH_SPI_MISO"),
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PINCTRL_PIN(84, "ISH_SPI_MOSI"),
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PINCTRL_PIN(85, "ISH_UART0_RXD"),
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PINCTRL_PIN(86, "ISH_UART0_TXD"),
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PINCTRL_PIN(87, "ISH_UART0_RTSB"),
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PINCTRL_PIN(88, "ISH_UART0_CTSB"),
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PINCTRL_PIN(89, "DMIC_CLK_1"),
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PINCTRL_PIN(90, "DMIC_DATA_1"),
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PINCTRL_PIN(91, "DMIC_CLK_0"),
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PINCTRL_PIN(92, "DMIC_DATA_0"),
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PINCTRL_PIN(93, "SPI1_IO_2"),
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PINCTRL_PIN(94, "SPI1_IO_3"),
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PINCTRL_PIN(95, "SSP_MCLK"),
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/* GPP_E */
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PINCTRL_PIN(96, "SATAXPCIE_0"),
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PINCTRL_PIN(97, "SATAXPCIE_1"),
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PINCTRL_PIN(98, "SATAXPCIE_2"),
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PINCTRL_PIN(99, "CPU_GP_0"),
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PINCTRL_PIN(100, "SATA_DEVSLP_0"),
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PINCTRL_PIN(101, "SATA_DEVSLP_1"),
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PINCTRL_PIN(102, "SATA_DEVSLP_2"),
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PINCTRL_PIN(103, "CPU_GP_1"),
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PINCTRL_PIN(104, "SATA_LEDB"),
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PINCTRL_PIN(105, "USB2_OCB_0"),
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PINCTRL_PIN(106, "USB2_OCB_1"),
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PINCTRL_PIN(107, "USB2_OCB_2"),
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PINCTRL_PIN(108, "USB2_OCB_3"),
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PINCTRL_PIN(109, "DDSP_HPD_0"),
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PINCTRL_PIN(110, "DDSP_HPD_1"),
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PINCTRL_PIN(111, "DDSP_HPD_2"),
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PINCTRL_PIN(112, "DDSP_HPD_3"),
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PINCTRL_PIN(113, "EDP_HPD"),
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PINCTRL_PIN(114, "DDPB_CTRLCLK"),
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PINCTRL_PIN(115, "DDPB_CTRLDATA"),
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PINCTRL_PIN(116, "DDPC_CTRLCLK"),
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PINCTRL_PIN(117, "DDPC_CTRLDATA"),
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PINCTRL_PIN(118, "DDPD_CTRLCLK"),
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PINCTRL_PIN(119, "DDPD_CTRLDATA"),
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/* GPP_F */
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PINCTRL_PIN(120, "SSP2_SCLK"),
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PINCTRL_PIN(121, "SSP2_SFRM"),
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PINCTRL_PIN(122, "SSP2_TXD"),
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PINCTRL_PIN(123, "SSP2_RXD"),
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PINCTRL_PIN(124, "I2C2_SDA"),
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PINCTRL_PIN(125, "I2C2_SCL"),
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PINCTRL_PIN(126, "I2C3_SDA"),
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PINCTRL_PIN(127, "I2C3_SCL"),
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PINCTRL_PIN(128, "I2C4_SDA"),
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PINCTRL_PIN(129, "I2C4_SCL"),
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PINCTRL_PIN(130, "I2C5_SDA"),
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PINCTRL_PIN(131, "I2C5_SCL"),
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PINCTRL_PIN(132, "EMMC_CMD"),
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PINCTRL_PIN(133, "EMMC_DATA_0"),
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PINCTRL_PIN(134, "EMMC_DATA_1"),
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PINCTRL_PIN(135, "EMMC_DATA_2"),
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PINCTRL_PIN(136, "EMMC_DATA_3"),
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PINCTRL_PIN(137, "EMMC_DATA_4"),
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PINCTRL_PIN(138, "EMMC_DATA_5"),
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PINCTRL_PIN(139, "EMMC_DATA_6"),
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PINCTRL_PIN(140, "EMMC_DATA_7"),
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PINCTRL_PIN(141, "EMMC_RCLK"),
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PINCTRL_PIN(142, "EMMC_CLK"),
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PINCTRL_PIN(143, "GPP_F_23"),
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/* GPP_G */
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PINCTRL_PIN(144, "SD_CMD"),
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PINCTRL_PIN(145, "SD_DATA_0"),
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PINCTRL_PIN(146, "SD_DATA_1"),
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PINCTRL_PIN(147, "SD_DATA_2"),
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PINCTRL_PIN(148, "SD_DATA_3"),
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PINCTRL_PIN(149, "SD_CDB"),
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PINCTRL_PIN(150, "SD_CLK"),
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PINCTRL_PIN(151, "SD_WP"),
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};
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static const unsigned sptlp_spi0_pins[] = { 39, 40, 41, 42 };
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static const unsigned sptlp_spi1_pins[] = { 43, 44, 45, 46 };
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static const unsigned sptlp_uart0_pins[] = { 56, 57, 58, 59 };
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static const unsigned sptlp_uart1_pins[] = { 60, 61, 62, 63 };
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static const unsigned sptlp_uart2_pins[] = { 68, 69, 71, 71 };
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static const unsigned sptlp_i2c0_pins[] = { 64, 65 };
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static const unsigned sptlp_i2c1_pins[] = { 66, 67 };
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static const unsigned sptlp_i2c2_pins[] = { 124, 125 };
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static const unsigned sptlp_i2c3_pins[] = { 126, 127 };
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static const unsigned sptlp_i2c4_pins[] = { 128, 129 };
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static const unsigned sptlp_i2c4b_pins[] = { 85, 86 };
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static const unsigned sptlp_i2c5_pins[] = { 130, 131 };
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static const unsigned sptlp_ssp2_pins[] = { 120, 121, 122, 123 };
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static const unsigned sptlp_emmc_pins[] = {
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132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
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};
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static const unsigned sptlp_sd_pins[] = {
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144, 145, 146, 147, 148, 149, 150, 151,
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};
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static const struct intel_pingroup sptlp_groups[] = {
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PIN_GROUP("spi0_grp", sptlp_spi0_pins, 1),
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PIN_GROUP("spi1_grp", sptlp_spi1_pins, 1),
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PIN_GROUP("uart0_grp", sptlp_uart0_pins, 1),
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PIN_GROUP("uart1_grp", sptlp_uart1_pins, 1),
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PIN_GROUP("uart2_grp", sptlp_uart2_pins, 1),
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PIN_GROUP("i2c0_grp", sptlp_i2c0_pins, 1),
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PIN_GROUP("i2c1_grp", sptlp_i2c1_pins, 1),
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PIN_GROUP("i2c2_grp", sptlp_i2c2_pins, 1),
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PIN_GROUP("i2c3_grp", sptlp_i2c3_pins, 1),
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PIN_GROUP("i2c4_grp", sptlp_i2c4_pins, 1),
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PIN_GROUP("i2c4b_grp", sptlp_i2c4b_pins, 3),
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PIN_GROUP("i2c5_grp", sptlp_i2c5_pins, 1),
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PIN_GROUP("ssp2_grp", sptlp_ssp2_pins, 1),
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PIN_GROUP("emmc_grp", sptlp_emmc_pins, 1),
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PIN_GROUP("sd_grp", sptlp_sd_pins, 1),
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};
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static const char * const sptlp_spi0_groups[] = { "spi0_grp" };
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static const char * const sptlp_spi1_groups[] = { "spi0_grp" };
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static const char * const sptlp_uart0_groups[] = { "uart0_grp" };
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static const char * const sptlp_uart1_groups[] = { "uart1_grp" };
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static const char * const sptlp_uart2_groups[] = { "uart2_grp" };
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static const char * const sptlp_i2c0_groups[] = { "i2c0_grp" };
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static const char * const sptlp_i2c1_groups[] = { "i2c1_grp" };
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static const char * const sptlp_i2c2_groups[] = { "i2c2_grp" };
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static const char * const sptlp_i2c3_groups[] = { "i2c3_grp" };
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static const char * const sptlp_i2c4_groups[] = { "i2c4_grp", "i2c4b_grp" };
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static const char * const sptlp_i2c5_groups[] = { "i2c5_grp" };
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static const char * const sptlp_ssp2_groups[] = { "ssp2_grp" };
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static const char * const sptlp_emmc_groups[] = { "emmc_grp" };
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static const char * const sptlp_sd_groups[] = { "sd_grp" };
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static const struct intel_function sptlp_functions[] = {
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FUNCTION("spi0", sptlp_spi0_groups),
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FUNCTION("spi1", sptlp_spi1_groups),
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FUNCTION("uart0", sptlp_uart0_groups),
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FUNCTION("uart1", sptlp_uart1_groups),
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FUNCTION("uart2", sptlp_uart2_groups),
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FUNCTION("i2c0", sptlp_i2c0_groups),
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FUNCTION("i2c1", sptlp_i2c1_groups),
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FUNCTION("i2c2", sptlp_i2c2_groups),
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FUNCTION("i2c3", sptlp_i2c3_groups),
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FUNCTION("i2c4", sptlp_i2c4_groups),
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FUNCTION("i2c5", sptlp_i2c5_groups),
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FUNCTION("ssp2", sptlp_ssp2_groups),
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FUNCTION("emmc", sptlp_emmc_groups),
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FUNCTION("sd", sptlp_sd_groups),
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};
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static const struct intel_community sptlp_communities[] = {
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SPT_COMMUNITY(0, 0, 47),
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SPT_COMMUNITY(1, 48, 119),
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SPT_COMMUNITY(2, 120, 151),
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};
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static const struct intel_pinctrl_soc_data sptlp_soc_data = {
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.pins = sptlp_pins,
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.npins = ARRAY_SIZE(sptlp_pins),
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.groups = sptlp_groups,
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.ngroups = ARRAY_SIZE(sptlp_groups),
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.functions = sptlp_functions,
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.nfunctions = ARRAY_SIZE(sptlp_functions),
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.communities = sptlp_communities,
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.ncommunities = ARRAY_SIZE(sptlp_communities),
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};
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static const struct acpi_device_id spt_pinctrl_acpi_match[] = {
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{ "INT344B", (kernel_ulong_t)&sptlp_soc_data },
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{ }
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};
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MODULE_DEVICE_TABLE(acpi, spt_pinctrl_acpi_match);
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static int spt_pinctrl_probe(struct platform_device *pdev)
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{
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const struct intel_pinctrl_soc_data *soc_data;
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const struct acpi_device_id *id;
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id = acpi_match_device(spt_pinctrl_acpi_match, &pdev->dev);
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if (!id || !id->driver_data)
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return -ENODEV;
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soc_data = (const struct intel_pinctrl_soc_data *)id->driver_data;
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return intel_pinctrl_probe(pdev, soc_data);
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}
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static const struct dev_pm_ops spt_pinctrl_pm_ops = {
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SET_LATE_SYSTEM_SLEEP_PM_OPS(intel_pinctrl_suspend,
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intel_pinctrl_resume)
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};
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static struct platform_driver spt_pinctrl_driver = {
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.probe = spt_pinctrl_probe,
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.remove = intel_pinctrl_remove,
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.driver = {
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.name = "sunrisepoint-pinctrl",
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.acpi_match_table = spt_pinctrl_acpi_match,
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.pm = &spt_pinctrl_pm_ops,
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},
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};
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static int __init spt_pinctrl_init(void)
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{
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return platform_driver_register(&spt_pinctrl_driver);
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}
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subsys_initcall(spt_pinctrl_init);
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static void __exit spt_pinctrl_exit(void)
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{
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platform_driver_unregister(&spt_pinctrl_driver);
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}
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module_exit(spt_pinctrl_exit);
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MODULE_AUTHOR("Mathias Nyman <mathias.nyman@linux.intel.com>");
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MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
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MODULE_DESCRIPTION("Intel Sunrisepoint PCH pinctrl/GPIO driver");
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MODULE_LICENSE("GPL v2");
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