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

source code of linux/drivers/pinctrl/intel/pinctrl-emmitsburg.c