drivers/pinctrl/intel/pinctrl-emmitsburg.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Intel Emmitsburg PCH pinctrl/GPIO driver
   4  *
   5  * Copyright (C) 2020, Intel Corporation
   6  * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
   7  */
   8
   9 #include <linux/mod_devicetable.h>
  10 #include <linux/module.h>
  11 #include <linux/platform_device.h>
  12
  13 #include <linux/pinctrl/pinctrl.h>
  14
  15 #include "pinctrl-intel.h"
  16
  17 #define EBG_PAD_OWN     0x0a0
  18 #define EBG_PADCFGLOCK  0x100
  19 #define EBG_HOSTSW_OWN  0x130
  20 #define EBG_GPI_IS      0x200
  21 #define EBG_GPI_IE      0x210
  22
  23 #define EBG_GPP(r, s, e)                                \
  24         {                                               \
  25                 .reg_num = (r),                         \
  26                 .base = (s),                            \
  27                 .size = ((e) - (s) + 1),                \
  28         }
  29
  30 #define EBG_COMMUNITY(b, s, e, g)                       \
  31         {                                               \
  32                 .barno = (b),                           \
  33                 .padown_offset = EBG_PAD_OWN,           \
  34                 .padcfglock_offset = EBG_PADCFGLOCK,    \
  35                 .hostown_offset = EBG_HOSTSW_OWN,       \
  36                 .is_offset = EBG_GPI_IS,                \
  37                 .ie_offset = EBG_GPI_IE,                \
  38                 .pin_base = (s),                        \
  39                 .npins = ((e) - (s) + 1),               \
  40                 .gpps = (g),                            \
  41                 .ngpps = ARRAY_SIZE(g),                 \
  42         }
  43
  44 /* Emmitsburg */
  45 static const struct pinctrl_pin_desc ebg_pins[] = {
  46         /* GPP_A */
  47         PINCTRL_PIN(0, "ESPI_ALERT0B"),
  48         PINCTRL_PIN(1, "ESPI_ALERT1B"),
  49         PINCTRL_PIN(2, "ESPI_IO_0"),
  50         PINCTRL_PIN(3, "ESPI_IO_1"),
  51         PINCTRL_PIN(4, "ESPI_IO_2"),
  52         PINCTRL_PIN(5, "ESPI_IO_3"),
  53         PINCTRL_PIN(6, "ESPI_CS0B"),
  54         PINCTRL_PIN(7, "ESPI_CS1B"),
  55         PINCTRL_PIN(8, "ESPI_RESETB"),
  56         PINCTRL_PIN(9, "ESPI_CLK"),
  57         PINCTRL_PIN(10, "SRCCLKREQB_0"),
  58         PINCTRL_PIN(11, "SRCCLKREQB_1"),
  59         PINCTRL_PIN(12, "SRCCLKREQB_2"),
  60         PINCTRL_PIN(13, "SRCCLKREQB_3"),
  61         PINCTRL_PIN(14, "SRCCLKREQB_4"),
  62         PINCTRL_PIN(15, "SRCCLKREQB_5"),
  63         PINCTRL_PIN(16, "SRCCLKREQB_6"),
  64         PINCTRL_PIN(17, "SRCCLKREQB_7"),
  65         PINCTRL_PIN(18, "SRCCLKREQB_8"),
  66         PINCTRL_PIN(19, "SRCCLKREQB_9"),
  67         PINCTRL_PIN(20, "ESPI_CLK_LOOPBK"),
  68         /* GPP_B */
  69         PINCTRL_PIN(21, "GSXDOUT"),
  70         PINCTRL_PIN(22, "GSXSLOAD"),
  71         PINCTRL_PIN(23, "GSXDIN"),
  72         PINCTRL_PIN(24, "GSXSRESETB"),
  73         PINCTRL_PIN(25, "GSXCLK"),
  74         PINCTRL_PIN(26, "USB2_OCB_0"),
  75         PINCTRL_PIN(27, "USB2_OCB_1"),
  76         PINCTRL_PIN(28, "USB2_OCB_2"),
  77         PINCTRL_PIN(29, "USB2_OCB_3"),
  78         PINCTRL_PIN(30, "USB2_OCB_4"),
  79         PINCTRL_PIN(31, "USB2_OCB_5"),
  80         PINCTRL_PIN(32, "USB2_OCB_6"),
  81         PINCTRL_PIN(33, "HS_UART0_RXD"),
  82         PINCTRL_PIN(34, "HS_UART0_TXD"),
  83         PINCTRL_PIN(35, "HS_UART0_RTSB"),
  84         PINCTRL_PIN(36, "HS_UART0_CTSB"),
  85         PINCTRL_PIN(37, "HS_UART1_RXD"),
  86         PINCTRL_PIN(38, "HS_UART1_TXD"),
  87         PINCTRL_PIN(39, "HS_UART1_RTSB"),
  88         PINCTRL_PIN(40, "HS_UART1_CTSB"),
  89         PINCTRL_PIN(41, "GPPC_B_20"),
  90         PINCTRL_PIN(42, "GPPC_B_21"),
  91         PINCTRL_PIN(43, "GPPC_B_22"),
  92         PINCTRL_PIN(44, "PS_ONB"),
  93         /* SPI */
  94         PINCTRL_PIN(45, "SPI0_IO_2"),
  95         PINCTRL_PIN(46, "SPI0_IO_3"),
  96         PINCTRL_PIN(47, "SPI0_MOSI_IO_0"),
  97         PINCTRL_PIN(48, "SPI0_MISO_IO_1"),
  98         PINCTRL_PIN(49, "SPI0_TPM_CSB"),
  99         PINCTRL_PIN(50, "SPI0_FLASH_0_CSB"),
 100         PINCTRL_PIN(51, "SPI0_FLASH_1_CSB"),
 101         PINCTRL_PIN(52, "SPI0_CLK"),
 102         PINCTRL_PIN(53, "TIME_SYNC_0"),
 103         PINCTRL_PIN(54, "SPKR"),
 104         PINCTRL_PIN(55, "CPU_GP_0"),
 105         PINCTRL_PIN(56, "CPU_GP_1"),
 106         PINCTRL_PIN(57, "CPU_GP_2"),
 107         PINCTRL_PIN(58, "CPU_GP_3"),
 108         PINCTRL_PIN(59, "SUSWARNB_SUSPWRDNACK"),
 109         PINCTRL_PIN(60, "SUSACKB"),
 110         PINCTRL_PIN(61, "NMIB"),
 111         PINCTRL_PIN(62, "SMIB"),
 112         PINCTRL_PIN(63, "GPPC_S_10"),
 113         PINCTRL_PIN(64, "GPPC_S_11"),
 114         PINCTRL_PIN(65, "SPI_CLK_LOOPBK"),
 115         /* GPP_C */
 116         PINCTRL_PIN(66, "ME_SML0CLK"),
 117         PINCTRL_PIN(67, "ME_SML0DATA"),
 118         PINCTRL_PIN(68, "ME_SML0ALERTB"),
 119         PINCTRL_PIN(69, "ME_SML0BDATA"),
 120         PINCTRL_PIN(70, "ME_SML0BCLK"),
 121         PINCTRL_PIN(71, "ME_SML0BALERTB"),
 122         PINCTRL_PIN(72, "ME_SML1CLK"),
 123         PINCTRL_PIN(73, "ME_SML1DATA"),
 124         PINCTRL_PIN(74, "ME_SML1ALERTB"),
 125         PINCTRL_PIN(75, "ME_SML2CLK"),
 126         PINCTRL_PIN(76, "ME_SML2DATA"),
 127         PINCTRL_PIN(77, "ME_SML2ALERTB"),
 128         PINCTRL_PIN(78, "ME_SML3CLK"),
 129         PINCTRL_PIN(79, "ME_SML3DATA"),
 130         PINCTRL_PIN(80, "ME_SML3ALERTB"),
 131         PINCTRL_PIN(81, "ME_SML4CLK"),
 132         PINCTRL_PIN(82, "ME_SML4DATA"),
 133         PINCTRL_PIN(83, "ME_SML4ALERTB"),
 134         PINCTRL_PIN(84, "GPPC_C_18"),
 135         PINCTRL_PIN(85, "MC_SMBCLK"),
 136         PINCTRL_PIN(86, "MC_SMBDATA"),
 137         PINCTRL_PIN(87, "MC_SMBALERTB"),
 138         /* GPP_D */
 139         PINCTRL_PIN(88, "HS_SMBCLK"),
 140         PINCTRL_PIN(89, "HS_SMBDATA"),
 141         PINCTRL_PIN(90, "HS_SMBALERTB"),
 142         PINCTRL_PIN(91, "GBE_SMB_ALRT_N"),
 143         PINCTRL_PIN(92, "GBE_SMB_CLK"),
 144         PINCTRL_PIN(93, "GBE_SMB_DATA"),
 145         PINCTRL_PIN(94, "GBE_GPIO10"),
 146         PINCTRL_PIN(95, "GBE_GPIO11"),
 147         PINCTRL_PIN(96, "CRASHLOG_TRIG_N"),
 148         PINCTRL_PIN(97, "PMEB"),
 149         PINCTRL_PIN(98, "BM_BUSYB"),
 150         PINCTRL_PIN(99, "PLTRSTB"),
 151         PINCTRL_PIN(100, "PCHHOTB"),
 152         PINCTRL_PIN(101, "ADR_COMPLETE"),
 153         PINCTRL_PIN(102, "ADR_TRIGGER_N"),
 154         PINCTRL_PIN(103, "VRALERTB"),
 155         PINCTRL_PIN(104, "ADR_ACK"),
 156         PINCTRL_PIN(105, "THERMTRIP_N"),
 157         PINCTRL_PIN(106, "MEMTRIP_N"),
 158         PINCTRL_PIN(107, "MSMI_N"),
 159         PINCTRL_PIN(108, "CATERR_N"),
 160         PINCTRL_PIN(109, "GLB_RST_WARN_B"),
 161         PINCTRL_PIN(110, "USB2_OCB_7"),
 162         PINCTRL_PIN(111, "GPP_D_23"),
 163         /* GPP_E */
 164         PINCTRL_PIN(112, "SATA1_XPCIE_0"),
 165         PINCTRL_PIN(113, "SATA1_XPCIE_1"),
 166         PINCTRL_PIN(114, "SATA1_XPCIE_2"),
 167         PINCTRL_PIN(115, "SATA1_XPCIE_3"),
 168         PINCTRL_PIN(116, "SATA0_XPCIE_2"),
 169         PINCTRL_PIN(117, "SATA0_XPCIE_3"),
 170         PINCTRL_PIN(118, "SATA0_USB3_XPCIE_0"),
 171         PINCTRL_PIN(119, "SATA0_USB3_XPCIE_1"),
 172         PINCTRL_PIN(120, "SATA0_SCLOCK"),
 173         PINCTRL_PIN(121, "SATA0_SLOAD"),
 174         PINCTRL_PIN(122, "SATA0_SDATAOUT"),
 175         PINCTRL_PIN(123, "SATA1_SCLOCK"),
 176         PINCTRL_PIN(124, "SATA1_SLOAD"),
 177         PINCTRL_PIN(125, "SATA1_SDATAOUT"),
 178         PINCTRL_PIN(126, "SATA2_SCLOCK"),
 179         PINCTRL_PIN(127, "SATA2_SLOAD"),
 180         PINCTRL_PIN(128, "SATA2_SDATAOUT"),
 181         PINCTRL_PIN(129, "ERR0_N"),
 182         PINCTRL_PIN(130, "ERR1_N"),
 183         PINCTRL_PIN(131, "ERR2_N"),
 184         PINCTRL_PIN(132, "GBE_UART_RXD"),
 185         PINCTRL_PIN(133, "GBE_UART_TXD"),
 186         PINCTRL_PIN(134, "GBE_UART_RTSB"),
 187         PINCTRL_PIN(135, "GBE_UART_CTSB"),
 188         /* JTAG */
 189         PINCTRL_PIN(136, "JTAG_TDO"),
 190         PINCTRL_PIN(137, "JTAG_TDI"),
 191         PINCTRL_PIN(138, "JTAG_TCK"),
 192         PINCTRL_PIN(139, "JTAG_TMS"),
 193         PINCTRL_PIN(140, "JTAGX"),
 194         PINCTRL_PIN(141, "PRDYB"),
 195         PINCTRL_PIN(142, "PREQB"),
 196         PINCTRL_PIN(143, "GLB_PC_DISABLE"),
 197         PINCTRL_PIN(144, "DBG_PMODE"),
 198         PINCTRL_PIN(145, "GLB_EXT_ACC_DISABLE"),
 199         /* GPP_H */
 200         PINCTRL_PIN(146, "GBE_GPIO12"),
 201         PINCTRL_PIN(147, "GBE_GPIO13"),
 202         PINCTRL_PIN(148, "GBE_SDP_TIMESYNC0_S2N"),
 203         PINCTRL_PIN(149, "GBE_SDP_TIMESYNC1_S2N"),
 204         PINCTRL_PIN(150, "GBE_SDP_TIMESYNC2_S2N"),
 205         PINCTRL_PIN(151, "GBE_SDP_TIMESYNC3_S2N"),
 206         PINCTRL_PIN(152, "GPPC_H_6"),
 207         PINCTRL_PIN(153, "GPPC_H_7"),
 208         PINCTRL_PIN(154, "NCSI_CLK_IN"),
 209         PINCTRL_PIN(155, "NCSI_CRS_DV"),
 210         PINCTRL_PIN(156, "NCSI_RXD0"),
 211         PINCTRL_PIN(157, "NCSI_RXD1"),
 212         PINCTRL_PIN(158, "NCSI_TX_EN"),
 213         PINCTRL_PIN(159, "NCSI_TXD0"),
 214         PINCTRL_PIN(160, "NCSI_TXD1"),
 215         PINCTRL_PIN(161, "NAC_NCSI_CLK_OUT_0"),
 216         PINCTRL_PIN(162, "NAC_NCSI_CLK_OUT_1"),
 217         PINCTRL_PIN(163, "NAC_NCSI_CLK_OUT_2"),
 218         PINCTRL_PIN(164, "PMCALERTB"),
 219         PINCTRL_PIN(165, "GPPC_H_19"),
 220         /* GPP_J */
 221         PINCTRL_PIN(166, "CPUPWRGD"),
 222         PINCTRL_PIN(167, "CPU_THRMTRIP_N"),
 223         PINCTRL_PIN(168, "PLTRST_CPUB"),
 224         PINCTRL_PIN(169, "TRIGGER0_N"),
 225         PINCTRL_PIN(170, "TRIGGER1_N"),
 226         PINCTRL_PIN(171, "CPU_PWR_DEBUG_N"),
 227         PINCTRL_PIN(172, "CPU_MEMTRIP_N"),
 228         PINCTRL_PIN(173, "CPU_MSMI_N"),
 229         PINCTRL_PIN(174, "ME_PECI"),
 230         PINCTRL_PIN(175, "NAC_SPARE0"),
 231         PINCTRL_PIN(176, "NAC_SPARE1"),
 232         PINCTRL_PIN(177, "NAC_SPARE2"),
 233         PINCTRL_PIN(178, "CPU_ERR0_N"),
 234         PINCTRL_PIN(179, "CPU_CATERR_N"),
 235         PINCTRL_PIN(180, "CPU_ERR1_N"),
 236         PINCTRL_PIN(181, "CPU_ERR2_N"),
 237         PINCTRL_PIN(182, "GPP_J_16"),
 238         PINCTRL_PIN(183, "GPP_J_17"),
 239         /* GPP_I */
 240         PINCTRL_PIN(184, "GBE_GPIO4"),
 241         PINCTRL_PIN(185, "GBE_GPIO5"),
 242         PINCTRL_PIN(186, "GBE_GPIO6"),
 243         PINCTRL_PIN(187, "GBE_GPIO7"),
 244         PINCTRL_PIN(188, "GBE1_LED1"),
 245         PINCTRL_PIN(189, "GBE1_LED2"),
 246         PINCTRL_PIN(190, "GBE2_LED0"),
 247         PINCTRL_PIN(191, "GBE2_LED1"),
 248         PINCTRL_PIN(192, "GBE2_LED2"),
 249         PINCTRL_PIN(193, "GBE3_LED0"),
 250         PINCTRL_PIN(194, "GBE3_LED1"),
 251         PINCTRL_PIN(195, "GBE3_LED2"),
 252         PINCTRL_PIN(196, "GBE0_I2C_CLK"),
 253         PINCTRL_PIN(197, "GBE0_I2C_DATA"),
 254         PINCTRL_PIN(198, "GBE1_I2C_CLK"),
 255         PINCTRL_PIN(199, "GBE1_I2C_DATA"),
 256         PINCTRL_PIN(200, "GBE2_I2C_CLK"),
 257         PINCTRL_PIN(201, "GBE2_I2C_DATA"),
 258         PINCTRL_PIN(202, "GBE3_I2C_CLK"),
 259         PINCTRL_PIN(203, "GBE3_I2C_DATA"),
 260         PINCTRL_PIN(204, "GBE4_I2C_CLK"),
 261         PINCTRL_PIN(205, "GBE4_I2C_DATA"),
 262         PINCTRL_PIN(206, "GBE_GPIO8"),
 263         PINCTRL_PIN(207, "GBE_GPIO9"),
 264         /* GPP_L */
 265         PINCTRL_PIN(208, "PM_SYNC_0"),
 266         PINCTRL_PIN(209, "PM_DOWN_0"),
 267         PINCTRL_PIN(210, "PM_SYNC_CLK_0"),
 268         PINCTRL_PIN(211, "GPP_L_3"),
 269         PINCTRL_PIN(212, "GPP_L_4"),
 270         PINCTRL_PIN(213, "GPP_L_5"),
 271         PINCTRL_PIN(214, "GPP_L_6"),
 272         PINCTRL_PIN(215, "GPP_L_7"),
 273         PINCTRL_PIN(216, "GPP_L_8"),
 274         PINCTRL_PIN(217, "NAC_GBE_GPIO0_S2N"),
 275         PINCTRL_PIN(218, "NAC_GBE_GPIO1_S2N"),
 276         PINCTRL_PIN(219, "NAC_GBE_GPIO2_S2N"),
 277         PINCTRL_PIN(220, "NAC_GBE_GPIO3_S2N"),
 278         PINCTRL_PIN(221, "NAC_GBE_SMB_DATA_IN"),
 279         PINCTRL_PIN(222, "NAC_GBE_SMB_DATA_OUT"),
 280         PINCTRL_PIN(223, "NAC_GBE_SMB_ALRT_N"),
 281         PINCTRL_PIN(224, "NAC_GBE_SMB_CLK_IN"),
 282         PINCTRL_PIN(225, "NAC_GBE_SMB_CLK_OUT"),
 283         /* GPP_M */
 284         PINCTRL_PIN(226, "GPP_M_0"),
 285         PINCTRL_PIN(227, "GPP_M_1"),
 286         PINCTRL_PIN(228, "GPP_M_2"),
 287         PINCTRL_PIN(229, "GPP_M_3"),
 288         PINCTRL_PIN(230, "NAC_WAKE_N"),
 289         PINCTRL_PIN(231, "GPP_M_5"),
 290         PINCTRL_PIN(232, "GPP_M_6"),
 291         PINCTRL_PIN(233, "GPP_M_7"),
 292         PINCTRL_PIN(234, "GPP_M_8"),
 293         PINCTRL_PIN(235, "NAC_SBLINK_S2N"),
 294         PINCTRL_PIN(236, "NAC_SBLINK_N2S"),
 295         PINCTRL_PIN(237, "NAC_SBLINK_CLK_N2S"),
 296         PINCTRL_PIN(238, "NAC_SBLINK_CLK_S2N"),
 297         PINCTRL_PIN(239, "NAC_XTAL_VALID"),
 298         PINCTRL_PIN(240, "NAC_RESET_NAC_N"),
 299         PINCTRL_PIN(241, "GPP_M_15"),
 300         PINCTRL_PIN(242, "GPP_M_16"),
 301         PINCTRL_PIN(243, "GPP_M_17"),
 302         /* GPP_N */
 303         PINCTRL_PIN(244, "GPP_N_0"),
 304         PINCTRL_PIN(245, "NAC_NCSI_TXD0"),
 305         PINCTRL_PIN(246, "GPP_N_2"),
 306         PINCTRL_PIN(247, "GPP_N_3"),
 307         PINCTRL_PIN(248, "NAC_NCSI_REFCLK_IN"),
 308         PINCTRL_PIN(249, "GPP_N_5"),
 309         PINCTRL_PIN(250, "GPP_N_6"),
 310         PINCTRL_PIN(251, "GPP_N_7"),
 311         PINCTRL_PIN(252, "NAC_NCSI_RXD0"),
 312         PINCTRL_PIN(253, "NAC_NCSI_RXD1"),
 313         PINCTRL_PIN(254, "NAC_NCSI_CRS_DV"),
 314         PINCTRL_PIN(255, "NAC_NCSI_CLK_IN"),
 315         PINCTRL_PIN(256, "NAC_NCSI_REFCLK_OUT"),
 316         PINCTRL_PIN(257, "NAC_NCSI_TX_EN"),
 317         PINCTRL_PIN(258, "NAC_NCSI_TXD1"),
 318         PINCTRL_PIN(259, "NAC_NCSI_OE_N"),
 319         PINCTRL_PIN(260, "NAC_GR_N"),
 320         PINCTRL_PIN(261, "NAC_INIT_SX_WAKE_N"),
 321 };
 322
 323 static const struct intel_padgroup ebg_community0_gpps[] = {
 324         EBG_GPP(0, 0, 20),      /* GPP_A */
 325         EBG_GPP(1, 21, 44),     /* GPP_B */
 326         EBG_GPP(2, 45, 65),     /* SPI */
 327 };
 328
 329 static const struct intel_padgroup ebg_community1_gpps[] = {
 330         EBG_GPP(0, 66, 87),     /* GPP_C */
 331         EBG_GPP(1, 88, 111),    /* GPP_D */
 332 };
 333
 334 static const struct intel_padgroup ebg_community3_gpps[] = {
 335         EBG_GPP(0, 112, 135),   /* GPP_E */
 336         EBG_GPP(1, 136, 145),   /* JTAG */
 337 };
 338
 339 static const struct intel_padgroup ebg_community4_gpps[] = {
 340         EBG_GPP(0, 146, 165),   /* GPP_H */
 341         EBG_GPP(1, 166, 183),   /* GPP_J */
 342 };
 343
 344 static const struct intel_padgroup ebg_community5_gpps[] = {
 345         EBG_GPP(0, 184, 207),   /* GPP_I */
 346         EBG_GPP(1, 208, 225),   /* GPP_L */
 347         EBG_GPP(2, 226, 243),   /* GPP_M */
 348         EBG_GPP(3, 244, 261),   /* GPP_N */
 349 };
 350
 351 static const struct intel_community ebg_communities[] = {
 352         EBG_COMMUNITY(0, 0, 65, ebg_community0_gpps),
 353         EBG_COMMUNITY(1, 66, 111, ebg_community1_gpps),
 354         EBG_COMMUNITY(2, 112, 145, ebg_community3_gpps),
 355         EBG_COMMUNITY(3, 146, 183, ebg_community4_gpps),
 356         EBG_COMMUNITY(4, 184, 261, ebg_community5_gpps),
 357 };
 358
 359 static const struct intel_pinctrl_soc_data ebg_soc_data = {
 360         .pins = ebg_pins,
 361         .npins = ARRAY_SIZE(ebg_pins),
 362         .communities = ebg_communities,
 363         .ncommunities = ARRAY_SIZE(ebg_communities),
 364 };
 365
 366 static const struct acpi_device_id ebg_pinctrl_acpi_match[] = {
 367         { "INTC1071", (kernel_ulong_t)&ebg_soc_data },
 368         { }
 369 };
 370 MODULE_DEVICE_TABLE(acpi, ebg_pinctrl_acpi_match);
 371
 372 static INTEL_PINCTRL_PM_OPS(ebg_pinctrl_pm_ops);
 373
 374 static struct platform_driver ebg_pinctrl_driver = {
 375         .probe = intel_pinctrl_probe_by_hid,
 376         .driver = {
 377                 .name = "emmitsburg-pinctrl",
 378                 .acpi_match_table = ebg_pinctrl_acpi_match,
 379                 .pm = &ebg_pinctrl_pm_ops,
 380         },
 381 };
 382
 383 module_platform_driver(ebg_pinctrl_driver);
 384
 385 MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
 386 MODULE_DESCRIPTION("Intel Emmitsburg PCH pinctrl/GPIO driver");
 387 MODULE_LICENSE("GPL v2");