1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Intel Cedar Fork PCH pinctrl/GPIO driver
4 *
5 * Copyright (C) 2017, Intel Corporation
6 * Author: Mika Westerberg <mika.westerberg@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 CDF_PAD_OWN 0x020
19#define CDF_PADCFGLOCK 0x0c0
20#define CDF_HOSTSW_OWN 0x120
21#define CDF_GPI_IS 0x200
22#define CDF_GPI_IE 0x230
23
24#define CDF_GPP(r, s, e) \
25 { \
26 .reg_num = (r), \
27 .base = (s), \
28 .size = ((e) - (s) + 1), \
29 }
30
31#define CDF_COMMUNITY(b, s, e, g) \
32 INTEL_COMMUNITY_GPPS(b, s, e, g, CDF)
33
34/* Cedar Fork PCH */
35static const struct pinctrl_pin_desc cdf_pins[] = {
36 /* WEST2 */
37 PINCTRL_PIN(0, "GBE_SDP_TIMESYNC0_S2N"),
38 PINCTRL_PIN(1, "GBE_SDP_TIMESYNC1_S2N"),
39 PINCTRL_PIN(2, "GBE_SDP_TIMESYNC2_S2N"),
40 PINCTRL_PIN(3, "GBE_SDP_TIMESYNC3_S2N"),
41 PINCTRL_PIN(4, "GBE0_I2C_CLK"),
42 PINCTRL_PIN(5, "GBE0_I2C_DATA"),
43 PINCTRL_PIN(6, "GBE1_I2C_CLK"),
44 PINCTRL_PIN(7, "GBE1_I2C_DATA"),
45 PINCTRL_PIN(8, "GBE2_I2C_CLK"),
46 PINCTRL_PIN(9, "GBE2_I2C_DATA"),
47 PINCTRL_PIN(10, "GBE3_I2C_CLK"),
48 PINCTRL_PIN(11, "GBE3_I2C_DATA"),
49 PINCTRL_PIN(12, "GBE0_LED0"),
50 PINCTRL_PIN(13, "GBE0_LED1"),
51 PINCTRL_PIN(14, "GBE0_LED2"),
52 PINCTRL_PIN(15, "GBE1_LED0"),
53 PINCTRL_PIN(16, "GBE1_LED1"),
54 PINCTRL_PIN(17, "GBE1_LED2"),
55 PINCTRL_PIN(18, "GBE2_LED0"),
56 PINCTRL_PIN(19, "GBE2_LED1"),
57 PINCTRL_PIN(20, "GBE2_LED2"),
58 PINCTRL_PIN(21, "GBE3_LED0"),
59 PINCTRL_PIN(22, "GBE3_LED1"),
60 PINCTRL_PIN(23, "GBE3_LED2"),
61 /* WEST3 */
62 PINCTRL_PIN(24, "NCSI_RXD0"),
63 PINCTRL_PIN(25, "NCSI_CLK_IN"),
64 PINCTRL_PIN(26, "NCSI_RXD1"),
65 PINCTRL_PIN(27, "NCSI_CRS_DV"),
66 PINCTRL_PIN(28, "NCSI_ARB_IN"),
67 PINCTRL_PIN(29, "NCSI_TX_EN"),
68 PINCTRL_PIN(30, "NCSI_TXD0"),
69 PINCTRL_PIN(31, "NCSI_TXD1"),
70 PINCTRL_PIN(32, "NCSI_ARB_OUT"),
71 PINCTRL_PIN(33, "GBE_SMB_CLK"),
72 PINCTRL_PIN(34, "GBE_SMB_DATA"),
73 PINCTRL_PIN(35, "GBE_SMB_ALRT_N"),
74 PINCTRL_PIN(36, "THERMTRIP_N"),
75 PINCTRL_PIN(37, "PCHHOT_N"),
76 PINCTRL_PIN(38, "ERROR0_N"),
77 PINCTRL_PIN(39, "ERROR1_N"),
78 PINCTRL_PIN(40, "ERROR2_N"),
79 PINCTRL_PIN(41, "MSMI_N"),
80 PINCTRL_PIN(42, "CATERR_N"),
81 PINCTRL_PIN(43, "MEMTRIP_N"),
82 PINCTRL_PIN(44, "UART0_RXD"),
83 PINCTRL_PIN(45, "UART0_TXD"),
84 PINCTRL_PIN(46, "GBE_UART_RXD"),
85 PINCTRL_PIN(47, "GBE_UART_TXD"),
86 /* WEST01 */
87 PINCTRL_PIN(48, "GBE_GPIO13"),
88 PINCTRL_PIN(49, "AUX_PWR"),
89 PINCTRL_PIN(50, "UART0_RTS"),
90 PINCTRL_PIN(51, "UART0_CTS"),
91 PINCTRL_PIN(52, "FAN_PWM_0"),
92 PINCTRL_PIN(53, "FAN_PWM_1"),
93 PINCTRL_PIN(54, "FAN_PWM_2"),
94 PINCTRL_PIN(55, "FAN_PWM_3"),
95 PINCTRL_PIN(56, "FAN_TACH_0"),
96 PINCTRL_PIN(57, "FAN_TACH_1"),
97 PINCTRL_PIN(58, "FAN_TACH_2"),
98 PINCTRL_PIN(59, "FAN_TACH_3"),
99 PINCTRL_PIN(60, "ME_SMB0_CLK"),
100 PINCTRL_PIN(61, "ME_SMB0_DATA"),
101 PINCTRL_PIN(62, "ME_SMB0_ALRT_N"),
102 PINCTRL_PIN(63, "ME_SMB1_CLK"),
103 PINCTRL_PIN(64, "ME_SMB1_DATA"),
104 PINCTRL_PIN(65, "ME_SMB1_ALRT_N"),
105 PINCTRL_PIN(66, "ME_SMB2_CLK"),
106 PINCTRL_PIN(67, "ME_SMB2_DATA"),
107 PINCTRL_PIN(68, "ME_SMB2_ALRT_N"),
108 PINCTRL_PIN(69, "GBE_MNG_I2C_CLK"),
109 PINCTRL_PIN(70, "GBE_MNG_I2C_DATA"),
110 /* WEST5 */
111 PINCTRL_PIN(71, "IE_UART_RXD"),
112 PINCTRL_PIN(72, "IE_UART_TXD"),
113 PINCTRL_PIN(73, "VPP_SMB_CLK"),
114 PINCTRL_PIN(74, "VPP_SMB_DATA"),
115 PINCTRL_PIN(75, "VPP_SMB_ALRT_N"),
116 PINCTRL_PIN(76, "PCIE_CLKREQ0_N"),
117 PINCTRL_PIN(77, "PCIE_CLKREQ1_N"),
118 PINCTRL_PIN(78, "PCIE_CLKREQ2_N"),
119 PINCTRL_PIN(79, "PCIE_CLKREQ3_N"),
120 PINCTRL_PIN(80, "PCIE_CLKREQ4_N"),
121 PINCTRL_PIN(81, "PCIE_CLKREQ5_N"),
122 PINCTRL_PIN(82, "PCIE_CLKREQ6_N"),
123 PINCTRL_PIN(83, "PCIE_CLKREQ7_N"),
124 PINCTRL_PIN(84, "PCIE_CLKREQ8_N"),
125 PINCTRL_PIN(85, "PCIE_CLKREQ9_N"),
126 PINCTRL_PIN(86, "FLEX_CLK_SE0"),
127 PINCTRL_PIN(87, "FLEX_CLK_SE1"),
128 PINCTRL_PIN(88, "FLEX_CLK1_50"),
129 PINCTRL_PIN(89, "FLEX_CLK2_50"),
130 PINCTRL_PIN(90, "FLEX_CLK_125"),
131 /* WESTC */
132 PINCTRL_PIN(91, "TCK_PCH"),
133 PINCTRL_PIN(92, "JTAGX_PCH"),
134 PINCTRL_PIN(93, "TRST_N_PCH"),
135 PINCTRL_PIN(94, "TMS_PCH"),
136 PINCTRL_PIN(95, "TDI_PCH"),
137 PINCTRL_PIN(96, "TDO_PCH"),
138 /* WESTC_DFX */
139 PINCTRL_PIN(97, "CX_PRDY_N"),
140 PINCTRL_PIN(98, "CX_PREQ_N"),
141 PINCTRL_PIN(99, "CPU_FBREAK_OUT_N"),
142 PINCTRL_PIN(100, "TRIGGER0_N"),
143 PINCTRL_PIN(101, "TRIGGER1_N"),
144 /* WESTA */
145 PINCTRL_PIN(102, "DBG_PTI_CLK0"),
146 PINCTRL_PIN(103, "DBG_PTI_CLK3"),
147 PINCTRL_PIN(104, "DBG_PTI_DATA0"),
148 PINCTRL_PIN(105, "DBG_PTI_DATA1"),
149 PINCTRL_PIN(106, "DBG_PTI_DATA2"),
150 PINCTRL_PIN(107, "DBG_PTI_DATA3"),
151 PINCTRL_PIN(108, "DBG_PTI_DATA4"),
152 PINCTRL_PIN(109, "DBG_PTI_DATA5"),
153 PINCTRL_PIN(110, "DBG_PTI_DATA6"),
154 PINCTRL_PIN(111, "DBG_PTI_DATA7"),
155 /* WESTB */
156 PINCTRL_PIN(112, "DBG_PTI_DATA8"),
157 PINCTRL_PIN(113, "DBG_PTI_DATA9"),
158 PINCTRL_PIN(114, "DBG_PTI_DATA10"),
159 PINCTRL_PIN(115, "DBG_PTI_DATA11"),
160 PINCTRL_PIN(116, "DBG_PTI_DATA12"),
161 PINCTRL_PIN(117, "DBG_PTI_DATA13"),
162 PINCTRL_PIN(118, "DBG_PTI_DATA14"),
163 PINCTRL_PIN(119, "DBG_PTI_DATA15"),
164 PINCTRL_PIN(120, "DBG_SPARE0"),
165 PINCTRL_PIN(121, "DBG_SPARE1"),
166 PINCTRL_PIN(122, "DBG_SPARE2"),
167 PINCTRL_PIN(123, "DBG_SPARE3"),
168 /* WESTD */
169 PINCTRL_PIN(124, "CPU_PWR_GOOD"),
170 PINCTRL_PIN(125, "PLTRST_CPU_N"),
171 PINCTRL_PIN(126, "NAC_RESET_NAC_N"),
172 PINCTRL_PIN(127, "PCH_SBLINK_RX"),
173 PINCTRL_PIN(128, "PCH_SBLINK_TX"),
174 PINCTRL_PIN(129, "PMSYNC_CLK"),
175 PINCTRL_PIN(130, "CPU_ERR0_N"),
176 PINCTRL_PIN(131, "CPU_ERR1_N"),
177 PINCTRL_PIN(132, "CPU_ERR2_N"),
178 PINCTRL_PIN(133, "CPU_THERMTRIP_N"),
179 PINCTRL_PIN(134, "CPU_MSMI_N"),
180 PINCTRL_PIN(135, "CPU_CATERR_N"),
181 PINCTRL_PIN(136, "CPU_MEMTRIP_N"),
182 PINCTRL_PIN(137, "NAC_GR_N"),
183 PINCTRL_PIN(138, "NAC_XTAL_VALID"),
184 PINCTRL_PIN(139, "NAC_WAKE_N"),
185 PINCTRL_PIN(140, "NAC_SBLINK_CLK_S2N"),
186 PINCTRL_PIN(141, "NAC_SBLINK_N2S"),
187 PINCTRL_PIN(142, "NAC_SBLINK_S2N"),
188 PINCTRL_PIN(143, "NAC_SBLINK_CLK_N2S"),
189 /* WESTD_PECI */
190 PINCTRL_PIN(144, "ME_PECI"),
191 /* WESTF */
192 PINCTRL_PIN(145, "NAC_RMII_CLK"),
193 PINCTRL_PIN(146, "NAC_RGMII_CLK"),
194 PINCTRL_PIN(147, "NAC_GBE_SMB_CLK_TX_N2S"),
195 PINCTRL_PIN(148, "NAC_GBE_SMB_DATA_TX_N2S"),
196 PINCTRL_PIN(149, "NAC_SPARE2"),
197 PINCTRL_PIN(150, "NAC_INIT_SX_WAKE_N"),
198 PINCTRL_PIN(151, "NAC_GBE_GPIO0_S2N"),
199 PINCTRL_PIN(152, "NAC_GBE_GPIO1_S2N"),
200 PINCTRL_PIN(153, "NAC_GBE_GPIO2_S2N"),
201 PINCTRL_PIN(154, "NAC_GBE_GPIO3_S2N"),
202 PINCTRL_PIN(155, "NAC_NCSI_RXD0"),
203 PINCTRL_PIN(156, "NAC_NCSI_CLK_IN"),
204 PINCTRL_PIN(157, "NAC_NCSI_RXD1"),
205 PINCTRL_PIN(158, "NAC_NCSI_CRS_DV"),
206 PINCTRL_PIN(159, "NAC_NCSI_ARB_IN"),
207 PINCTRL_PIN(160, "NAC_NCSI_TX_EN"),
208 PINCTRL_PIN(161, "NAC_NCSI_TXD0"),
209 PINCTRL_PIN(162, "NAC_NCSI_TXD1"),
210 PINCTRL_PIN(163, "NAC_NCSI_ARB_OUT"),
211 PINCTRL_PIN(164, "NAC_NCSI_OE_N"),
212 PINCTRL_PIN(165, "NAC_GBE_SMB_CLK_RX_S2N"),
213 PINCTRL_PIN(166, "NAC_GBE_SMB_DATA_RX_S2N"),
214 PINCTRL_PIN(167, "NAC_GBE_SMB_ALRT_N"),
215 /* EAST2 */
216 PINCTRL_PIN(168, "USB_OC0_N"),
217 PINCTRL_PIN(169, "GBE_GPIO0"),
218 PINCTRL_PIN(170, "GBE_GPIO1"),
219 PINCTRL_PIN(171, "GBE_GPIO2"),
220 PINCTRL_PIN(172, "GBE_GPIO3"),
221 PINCTRL_PIN(173, "GBE_GPIO4"),
222 PINCTRL_PIN(174, "GBE_GPIO5"),
223 PINCTRL_PIN(175, "GBE_GPIO6"),
224 PINCTRL_PIN(176, "GBE_GPIO7"),
225 PINCTRL_PIN(177, "SPI_TPM_CS_N"),
226 PINCTRL_PIN(178, "GBE_GPIO9"),
227 PINCTRL_PIN(179, "GBE_GPIO10"),
228 PINCTRL_PIN(180, "GBE_GPIO11"),
229 PINCTRL_PIN(181, "GBE_GPIO12"),
230 PINCTRL_PIN(182, "PECI_SMB_DATA"),
231 PINCTRL_PIN(183, "SATA0_LED_N"),
232 PINCTRL_PIN(184, "SATA1_LED_N"),
233 PINCTRL_PIN(185, "SATA_PDETECT0"),
234 PINCTRL_PIN(186, "SATA_PDETECT1"),
235 PINCTRL_PIN(187, "SATA0_SDOUT"),
236 PINCTRL_PIN(188, "SATA1_SDOUT"),
237 PINCTRL_PIN(189, "SATA2_LED_N"),
238 PINCTRL_PIN(190, "SATA_PDETECT2"),
239 PINCTRL_PIN(191, "SATA2_SDOUT"),
240 /* EAST3 */
241 PINCTRL_PIN(192, "ESPI_IO0"),
242 PINCTRL_PIN(193, "ESPI_IO1"),
243 PINCTRL_PIN(194, "ESPI_IO2"),
244 PINCTRL_PIN(195, "ESPI_IO3"),
245 PINCTRL_PIN(196, "ESPI_CLK"),
246 PINCTRL_PIN(197, "ESPI_RST_N"),
247 PINCTRL_PIN(198, "ESPI_CS0_N"),
248 PINCTRL_PIN(199, "ESPI_ALRT0_N"),
249 PINCTRL_PIN(200, "ESPI_CS1_N"),
250 PINCTRL_PIN(201, "ESPI_ALRT1_N"),
251 PINCTRL_PIN(202, "ESPI_CLK_LOOPBK"),
252 /* EAST0 */
253 PINCTRL_PIN(203, "SPI_CS0_N"),
254 PINCTRL_PIN(204, "SPI_CS1_N"),
255 PINCTRL_PIN(205, "SPI_MOSI_IO0"),
256 PINCTRL_PIN(206, "SPI_MISO_IO1"),
257 PINCTRL_PIN(207, "SPI_IO2"),
258 PINCTRL_PIN(208, "SPI_IO3"),
259 PINCTRL_PIN(209, "SPI_CLK"),
260 PINCTRL_PIN(210, "SPI_CLK_LOOPBK"),
261 PINCTRL_PIN(211, "SUSPWRDNACK"),
262 PINCTRL_PIN(212, "PMU_SUSCLK"),
263 PINCTRL_PIN(213, "ADR_COMPLETE"),
264 PINCTRL_PIN(214, "ADR_TRIGGER_N"),
265 PINCTRL_PIN(215, "PMU_SLP_S45_N"),
266 PINCTRL_PIN(216, "PMU_SLP_S3_N"),
267 PINCTRL_PIN(217, "PMU_WAKE_N"),
268 PINCTRL_PIN(218, "PMU_PWRBTN_N"),
269 PINCTRL_PIN(219, "PMU_RESETBUTTON_N"),
270 PINCTRL_PIN(220, "PMU_PLTRST_N"),
271 PINCTRL_PIN(221, "SUS_STAT_N"),
272 PINCTRL_PIN(222, "PMU_I2C_CLK"),
273 PINCTRL_PIN(223, "PMU_I2C_DATA"),
274 PINCTRL_PIN(224, "PECI_SMB_CLK"),
275 PINCTRL_PIN(225, "PECI_SMB_ALRT_N"),
276 /* EMMC */
277 PINCTRL_PIN(226, "EMMC_CMD"),
278 PINCTRL_PIN(227, "EMMC_STROBE"),
279 PINCTRL_PIN(228, "EMMC_CLK"),
280 PINCTRL_PIN(229, "EMMC_D0"),
281 PINCTRL_PIN(230, "EMMC_D1"),
282 PINCTRL_PIN(231, "EMMC_D2"),
283 PINCTRL_PIN(232, "EMMC_D3"),
284 PINCTRL_PIN(233, "EMMC_D4"),
285 PINCTRL_PIN(234, "EMMC_D5"),
286 PINCTRL_PIN(235, "EMMC_D6"),
287 PINCTRL_PIN(236, "EMMC_D7"),
288};
289
290static const struct intel_padgroup cdf_community0_gpps[] = {
291 CDF_GPP(0, 0, 23), /* WEST2 */
292 CDF_GPP(1, 24, 47), /* WEST3 */
293 CDF_GPP(2, 48, 70), /* WEST01 */
294 CDF_GPP(3, 71, 90), /* WEST5 */
295 CDF_GPP(4, 91, 96), /* WESTC */
296 CDF_GPP(5, 97, 101), /* WESTC_DFX */
297 CDF_GPP(6, 102, 111), /* WESTA */
298 CDF_GPP(7, 112, 123), /* WESTB */
299 CDF_GPP(8, 124, 143), /* WESTD */
300 CDF_GPP(9, 144, 144), /* WESTD_PECI */
301 CDF_GPP(10, 145, 167), /* WESTF */
302};
303
304static const struct intel_padgroup cdf_community1_gpps[] = {
305 CDF_GPP(0, 168, 191), /* EAST2 */
306 CDF_GPP(1, 192, 202), /* EAST3 */
307 CDF_GPP(2, 203, 225), /* EAST0 */
308 CDF_GPP(3, 226, 236), /* EMMC */
309};
310
311static const struct intel_community cdf_communities[] = {
312 CDF_COMMUNITY(0, 0, 167, cdf_community0_gpps), /* West */
313 CDF_COMMUNITY(1, 168, 236, cdf_community1_gpps), /* East */
314};
315
316static const struct intel_pinctrl_soc_data cdf_soc_data = {
317 .pins = cdf_pins,
318 .npins = ARRAY_SIZE(cdf_pins),
319 .communities = cdf_communities,
320 .ncommunities = ARRAY_SIZE(cdf_communities),
321};
322
323static const struct acpi_device_id cdf_pinctrl_acpi_match[] = {
324 { "INTC3001", (kernel_ulong_t)&cdf_soc_data },
325 { }
326};
327MODULE_DEVICE_TABLE(acpi, cdf_pinctrl_acpi_match);
328
329static struct platform_driver cdf_pinctrl_driver = {
330 .probe = intel_pinctrl_probe_by_hid,
331 .driver = {
332 .name = "cedarfork-pinctrl",
333 .acpi_match_table = cdf_pinctrl_acpi_match,
334 .pm = pm_sleep_ptr(&intel_pinctrl_pm_ops),
335 },
336};
337
338static int __init cdf_pinctrl_init(void)
339{
340 return platform_driver_register(&cdf_pinctrl_driver);
341}
342subsys_initcall(cdf_pinctrl_init);
343
344static void __exit cdf_pinctrl_exit(void)
345{
346 platform_driver_unregister(&cdf_pinctrl_driver);
347}
348module_exit(cdf_pinctrl_exit);
349
350MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
351MODULE_DESCRIPTION("Intel Cedar Fork PCH pinctrl/GPIO driver");
352MODULE_LICENSE("GPL v2");
353MODULE_IMPORT_NS(PINCTRL_INTEL);
354

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