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 */
45static 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
323static 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
329static 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
334static const struct intel_padgroup ebg_community3_gpps[] = {
335	EBG_GPP(0, 112, 135),	/* GPP_E */
336	EBG_GPP(1, 136, 145),	/* JTAG */
337};
338
339static 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
344static 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
351static 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
359static 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
366static const struct acpi_device_id ebg_pinctrl_acpi_match[] = {
367	{ "INTC1071", (kernel_ulong_t)&ebg_soc_data },
368	{ }
369};
370MODULE_DEVICE_TABLE(acpi, ebg_pinctrl_acpi_match);
371
372static INTEL_PINCTRL_PM_OPS(ebg_pinctrl_pm_ops);
373
374static 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
383module_platform_driver(ebg_pinctrl_driver);
384
385MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
386MODULE_DESCRIPTION("Intel Emmitsburg PCH pinctrl/GPIO driver");
387MODULE_LICENSE("GPL v2");
388