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 
13 #include <linux/pinctrl/pinctrl.h>
14 
15 #include "pinctrl-intel.h"
16 
17 #define CDF_PAD_OWN	0x020
18 #define CDF_PADCFGLOCK	0x0c0
19 #define CDF_HOSTSW_OWN	0x120
20 #define CDF_GPI_IS	0x200
21 #define CDF_GPI_IE	0x230
22 
23 #define CDF_GPP(r, s, e)				\
24 	{						\
25 		.reg_num = (r),				\
26 		.base = (s),				\
27 		.size = ((e) - (s) + 1),		\
28 	}
29 
30 #define CDF_COMMUNITY(b, s, e, g)			\
31 	INTEL_COMMUNITY_GPPS(b, s, e, g, CDF)
32 
33 /* Cedar Fork PCH */
34 static const struct pinctrl_pin_desc cdf_pins[] = {
35 	/* WEST2 */
36 	PINCTRL_PIN(0, "GBE_SDP_TIMESYNC0_S2N"),
37 	PINCTRL_PIN(1, "GBE_SDP_TIMESYNC1_S2N"),
38 	PINCTRL_PIN(2, "GBE_SDP_TIMESYNC2_S2N"),
39 	PINCTRL_PIN(3, "GBE_SDP_TIMESYNC3_S2N"),
40 	PINCTRL_PIN(4, "GBE0_I2C_CLK"),
41 	PINCTRL_PIN(5, "GBE0_I2C_DATA"),
42 	PINCTRL_PIN(6, "GBE1_I2C_CLK"),
43 	PINCTRL_PIN(7, "GBE1_I2C_DATA"),
44 	PINCTRL_PIN(8, "GBE2_I2C_CLK"),
45 	PINCTRL_PIN(9, "GBE2_I2C_DATA"),
46 	PINCTRL_PIN(10, "GBE3_I2C_CLK"),
47 	PINCTRL_PIN(11, "GBE3_I2C_DATA"),
48 	PINCTRL_PIN(12, "GBE0_LED0"),
49 	PINCTRL_PIN(13, "GBE0_LED1"),
50 	PINCTRL_PIN(14, "GBE0_LED2"),
51 	PINCTRL_PIN(15, "GBE1_LED0"),
52 	PINCTRL_PIN(16, "GBE1_LED1"),
53 	PINCTRL_PIN(17, "GBE1_LED2"),
54 	PINCTRL_PIN(18, "GBE2_LED0"),
55 	PINCTRL_PIN(19, "GBE2_LED1"),
56 	PINCTRL_PIN(20, "GBE2_LED2"),
57 	PINCTRL_PIN(21, "GBE3_LED0"),
58 	PINCTRL_PIN(22, "GBE3_LED1"),
59 	PINCTRL_PIN(23, "GBE3_LED2"),
60 	/* WEST3 */
61 	PINCTRL_PIN(24, "NCSI_RXD0"),
62 	PINCTRL_PIN(25, "NCSI_CLK_IN"),
63 	PINCTRL_PIN(26, "NCSI_RXD1"),
64 	PINCTRL_PIN(27, "NCSI_CRS_DV"),
65 	PINCTRL_PIN(28, "NCSI_ARB_IN"),
66 	PINCTRL_PIN(29, "NCSI_TX_EN"),
67 	PINCTRL_PIN(30, "NCSI_TXD0"),
68 	PINCTRL_PIN(31, "NCSI_TXD1"),
69 	PINCTRL_PIN(32, "NCSI_ARB_OUT"),
70 	PINCTRL_PIN(33, "GBE_SMB_CLK"),
71 	PINCTRL_PIN(34, "GBE_SMB_DATA"),
72 	PINCTRL_PIN(35, "GBE_SMB_ALRT_N"),
73 	PINCTRL_PIN(36, "THERMTRIP_N"),
74 	PINCTRL_PIN(37, "PCHHOT_N"),
75 	PINCTRL_PIN(38, "ERROR0_N"),
76 	PINCTRL_PIN(39, "ERROR1_N"),
77 	PINCTRL_PIN(40, "ERROR2_N"),
78 	PINCTRL_PIN(41, "MSMI_N"),
79 	PINCTRL_PIN(42, "CATERR_N"),
80 	PINCTRL_PIN(43, "MEMTRIP_N"),
81 	PINCTRL_PIN(44, "UART0_RXD"),
82 	PINCTRL_PIN(45, "UART0_TXD"),
83 	PINCTRL_PIN(46, "GBE_UART_RXD"),
84 	PINCTRL_PIN(47, "GBE_UART_TXD"),
85 	/* WEST01 */
86 	PINCTRL_PIN(48, "GBE_GPIO13"),
87 	PINCTRL_PIN(49, "AUX_PWR"),
88 	PINCTRL_PIN(50, "UART0_RTS"),
89 	PINCTRL_PIN(51, "UART0_CTS"),
90 	PINCTRL_PIN(52, "FAN_PWM_0"),
91 	PINCTRL_PIN(53, "FAN_PWM_1"),
92 	PINCTRL_PIN(54, "FAN_PWM_2"),
93 	PINCTRL_PIN(55, "FAN_PWM_3"),
94 	PINCTRL_PIN(56, "FAN_TACH_0"),
95 	PINCTRL_PIN(57, "FAN_TACH_1"),
96 	PINCTRL_PIN(58, "FAN_TACH_2"),
97 	PINCTRL_PIN(59, "FAN_TACH_3"),
98 	PINCTRL_PIN(60, "ME_SMB0_CLK"),
99 	PINCTRL_PIN(61, "ME_SMB0_DATA"),
100 	PINCTRL_PIN(62, "ME_SMB0_ALRT_N"),
101 	PINCTRL_PIN(63, "ME_SMB1_CLK"),
102 	PINCTRL_PIN(64, "ME_SMB1_DATA"),
103 	PINCTRL_PIN(65, "ME_SMB1_ALRT_N"),
104 	PINCTRL_PIN(66, "ME_SMB2_CLK"),
105 	PINCTRL_PIN(67, "ME_SMB2_DATA"),
106 	PINCTRL_PIN(68, "ME_SMB2_ALRT_N"),
107 	PINCTRL_PIN(69, "GBE_MNG_I2C_CLK"),
108 	PINCTRL_PIN(70, "GBE_MNG_I2C_DATA"),
109 	/* WEST5 */
110 	PINCTRL_PIN(71, "IE_UART_RXD"),
111 	PINCTRL_PIN(72, "IE_UART_TXD"),
112 	PINCTRL_PIN(73, "VPP_SMB_CLK"),
113 	PINCTRL_PIN(74, "VPP_SMB_DATA"),
114 	PINCTRL_PIN(75, "VPP_SMB_ALRT_N"),
115 	PINCTRL_PIN(76, "PCIE_CLKREQ0_N"),
116 	PINCTRL_PIN(77, "PCIE_CLKREQ1_N"),
117 	PINCTRL_PIN(78, "PCIE_CLKREQ2_N"),
118 	PINCTRL_PIN(79, "PCIE_CLKREQ3_N"),
119 	PINCTRL_PIN(80, "PCIE_CLKREQ4_N"),
120 	PINCTRL_PIN(81, "PCIE_CLKREQ5_N"),
121 	PINCTRL_PIN(82, "PCIE_CLKREQ6_N"),
122 	PINCTRL_PIN(83, "PCIE_CLKREQ7_N"),
123 	PINCTRL_PIN(84, "PCIE_CLKREQ8_N"),
124 	PINCTRL_PIN(85, "PCIE_CLKREQ9_N"),
125 	PINCTRL_PIN(86, "FLEX_CLK_SE0"),
126 	PINCTRL_PIN(87, "FLEX_CLK_SE1"),
127 	PINCTRL_PIN(88, "FLEX_CLK1_50"),
128 	PINCTRL_PIN(89, "FLEX_CLK2_50"),
129 	PINCTRL_PIN(90, "FLEX_CLK_125"),
130 	/* WESTC */
131 	PINCTRL_PIN(91, "TCK_PCH"),
132 	PINCTRL_PIN(92, "JTAGX_PCH"),
133 	PINCTRL_PIN(93, "TRST_N_PCH"),
134 	PINCTRL_PIN(94, "TMS_PCH"),
135 	PINCTRL_PIN(95, "TDI_PCH"),
136 	PINCTRL_PIN(96, "TDO_PCH"),
137 	/* WESTC_DFX */
138 	PINCTRL_PIN(97, "CX_PRDY_N"),
139 	PINCTRL_PIN(98, "CX_PREQ_N"),
140 	PINCTRL_PIN(99, "CPU_FBREAK_OUT_N"),
141 	PINCTRL_PIN(100, "TRIGGER0_N"),
142 	PINCTRL_PIN(101, "TRIGGER1_N"),
143 	/* WESTA */
144 	PINCTRL_PIN(102, "DBG_PTI_CLK0"),
145 	PINCTRL_PIN(103, "DBG_PTI_CLK3"),
146 	PINCTRL_PIN(104, "DBG_PTI_DATA0"),
147 	PINCTRL_PIN(105, "DBG_PTI_DATA1"),
148 	PINCTRL_PIN(106, "DBG_PTI_DATA2"),
149 	PINCTRL_PIN(107, "DBG_PTI_DATA3"),
150 	PINCTRL_PIN(108, "DBG_PTI_DATA4"),
151 	PINCTRL_PIN(109, "DBG_PTI_DATA5"),
152 	PINCTRL_PIN(110, "DBG_PTI_DATA6"),
153 	PINCTRL_PIN(111, "DBG_PTI_DATA7"),
154 	/* WESTB */
155 	PINCTRL_PIN(112, "DBG_PTI_DATA8"),
156 	PINCTRL_PIN(113, "DBG_PTI_DATA9"),
157 	PINCTRL_PIN(114, "DBG_PTI_DATA10"),
158 	PINCTRL_PIN(115, "DBG_PTI_DATA11"),
159 	PINCTRL_PIN(116, "DBG_PTI_DATA12"),
160 	PINCTRL_PIN(117, "DBG_PTI_DATA13"),
161 	PINCTRL_PIN(118, "DBG_PTI_DATA14"),
162 	PINCTRL_PIN(119, "DBG_PTI_DATA15"),
163 	PINCTRL_PIN(120, "DBG_SPARE0"),
164 	PINCTRL_PIN(121, "DBG_SPARE1"),
165 	PINCTRL_PIN(122, "DBG_SPARE2"),
166 	PINCTRL_PIN(123, "DBG_SPARE3"),
167 	/* WESTD */
168 	PINCTRL_PIN(124, "CPU_PWR_GOOD"),
169 	PINCTRL_PIN(125, "PLTRST_CPU_N"),
170 	PINCTRL_PIN(126, "NAC_RESET_NAC_N"),
171 	PINCTRL_PIN(127, "PCH_SBLINK_RX"),
172 	PINCTRL_PIN(128, "PCH_SBLINK_TX"),
173 	PINCTRL_PIN(129, "PMSYNC_CLK"),
174 	PINCTRL_PIN(130, "CPU_ERR0_N"),
175 	PINCTRL_PIN(131, "CPU_ERR1_N"),
176 	PINCTRL_PIN(132, "CPU_ERR2_N"),
177 	PINCTRL_PIN(133, "CPU_THERMTRIP_N"),
178 	PINCTRL_PIN(134, "CPU_MSMI_N"),
179 	PINCTRL_PIN(135, "CPU_CATERR_N"),
180 	PINCTRL_PIN(136, "CPU_MEMTRIP_N"),
181 	PINCTRL_PIN(137, "NAC_GR_N"),
182 	PINCTRL_PIN(138, "NAC_XTAL_VALID"),
183 	PINCTRL_PIN(139, "NAC_WAKE_N"),
184 	PINCTRL_PIN(140, "NAC_SBLINK_CLK_S2N"),
185 	PINCTRL_PIN(141, "NAC_SBLINK_N2S"),
186 	PINCTRL_PIN(142, "NAC_SBLINK_S2N"),
187 	PINCTRL_PIN(143, "NAC_SBLINK_CLK_N2S"),
188 	/* WESTD_PECI */
189 	PINCTRL_PIN(144, "ME_PECI"),
190 	/* WESTF */
191 	PINCTRL_PIN(145, "NAC_RMII_CLK"),
192 	PINCTRL_PIN(146, "NAC_RGMII_CLK"),
193 	PINCTRL_PIN(147, "NAC_GBE_SMB_CLK_TX_N2S"),
194 	PINCTRL_PIN(148, "NAC_GBE_SMB_DATA_TX_N2S"),
195 	PINCTRL_PIN(149, "NAC_SPARE2"),
196 	PINCTRL_PIN(150, "NAC_INIT_SX_WAKE_N"),
197 	PINCTRL_PIN(151, "NAC_GBE_GPIO0_S2N"),
198 	PINCTRL_PIN(152, "NAC_GBE_GPIO1_S2N"),
199 	PINCTRL_PIN(153, "NAC_GBE_GPIO2_S2N"),
200 	PINCTRL_PIN(154, "NAC_GBE_GPIO3_S2N"),
201 	PINCTRL_PIN(155, "NAC_NCSI_RXD0"),
202 	PINCTRL_PIN(156, "NAC_NCSI_CLK_IN"),
203 	PINCTRL_PIN(157, "NAC_NCSI_RXD1"),
204 	PINCTRL_PIN(158, "NAC_NCSI_CRS_DV"),
205 	PINCTRL_PIN(159, "NAC_NCSI_ARB_IN"),
206 	PINCTRL_PIN(160, "NAC_NCSI_TX_EN"),
207 	PINCTRL_PIN(161, "NAC_NCSI_TXD0"),
208 	PINCTRL_PIN(162, "NAC_NCSI_TXD1"),
209 	PINCTRL_PIN(163, "NAC_NCSI_ARB_OUT"),
210 	PINCTRL_PIN(164, "NAC_NCSI_OE_N"),
211 	PINCTRL_PIN(165, "NAC_GBE_SMB_CLK_RX_S2N"),
212 	PINCTRL_PIN(166, "NAC_GBE_SMB_DATA_RX_S2N"),
213 	PINCTRL_PIN(167, "NAC_GBE_SMB_ALRT_N"),
214 	/* EAST2 */
215 	PINCTRL_PIN(168, "USB_OC0_N"),
216 	PINCTRL_PIN(169, "GBE_GPIO0"),
217 	PINCTRL_PIN(170, "GBE_GPIO1"),
218 	PINCTRL_PIN(171, "GBE_GPIO2"),
219 	PINCTRL_PIN(172, "GBE_GPIO3"),
220 	PINCTRL_PIN(173, "GBE_GPIO4"),
221 	PINCTRL_PIN(174, "GBE_GPIO5"),
222 	PINCTRL_PIN(175, "GBE_GPIO6"),
223 	PINCTRL_PIN(176, "GBE_GPIO7"),
224 	PINCTRL_PIN(177, "SPI_TPM_CS_N"),
225 	PINCTRL_PIN(178, "GBE_GPIO9"),
226 	PINCTRL_PIN(179, "GBE_GPIO10"),
227 	PINCTRL_PIN(180, "GBE_GPIO11"),
228 	PINCTRL_PIN(181, "GBE_GPIO12"),
229 	PINCTRL_PIN(182, "PECI_SMB_DATA"),
230 	PINCTRL_PIN(183, "SATA0_LED_N"),
231 	PINCTRL_PIN(184, "SATA1_LED_N"),
232 	PINCTRL_PIN(185, "SATA_PDETECT0"),
233 	PINCTRL_PIN(186, "SATA_PDETECT1"),
234 	PINCTRL_PIN(187, "SATA0_SDOUT"),
235 	PINCTRL_PIN(188, "SATA1_SDOUT"),
236 	PINCTRL_PIN(189, "SATA2_LED_N"),
237 	PINCTRL_PIN(190, "SATA_PDETECT2"),
238 	PINCTRL_PIN(191, "SATA2_SDOUT"),
239 	/* EAST3 */
240 	PINCTRL_PIN(192, "ESPI_IO0"),
241 	PINCTRL_PIN(193, "ESPI_IO1"),
242 	PINCTRL_PIN(194, "ESPI_IO2"),
243 	PINCTRL_PIN(195, "ESPI_IO3"),
244 	PINCTRL_PIN(196, "ESPI_CLK"),
245 	PINCTRL_PIN(197, "ESPI_RST_N"),
246 	PINCTRL_PIN(198, "ESPI_CS0_N"),
247 	PINCTRL_PIN(199, "ESPI_ALRT0_N"),
248 	PINCTRL_PIN(200, "ESPI_CS1_N"),
249 	PINCTRL_PIN(201, "ESPI_ALRT1_N"),
250 	PINCTRL_PIN(202, "ESPI_CLK_LOOPBK"),
251 	/* EAST0 */
252 	PINCTRL_PIN(203, "SPI_CS0_N"),
253 	PINCTRL_PIN(204, "SPI_CS1_N"),
254 	PINCTRL_PIN(205, "SPI_MOSI_IO0"),
255 	PINCTRL_PIN(206, "SPI_MISO_IO1"),
256 	PINCTRL_PIN(207, "SPI_IO2"),
257 	PINCTRL_PIN(208, "SPI_IO3"),
258 	PINCTRL_PIN(209, "SPI_CLK"),
259 	PINCTRL_PIN(210, "SPI_CLK_LOOPBK"),
260 	PINCTRL_PIN(211, "SUSPWRDNACK"),
261 	PINCTRL_PIN(212, "PMU_SUSCLK"),
262 	PINCTRL_PIN(213, "ADR_COMPLETE"),
263 	PINCTRL_PIN(214, "ADR_TRIGGER_N"),
264 	PINCTRL_PIN(215, "PMU_SLP_S45_N"),
265 	PINCTRL_PIN(216, "PMU_SLP_S3_N"),
266 	PINCTRL_PIN(217, "PMU_WAKE_N"),
267 	PINCTRL_PIN(218, "PMU_PWRBTN_N"),
268 	PINCTRL_PIN(219, "PMU_RESETBUTTON_N"),
269 	PINCTRL_PIN(220, "PMU_PLTRST_N"),
270 	PINCTRL_PIN(221, "SUS_STAT_N"),
271 	PINCTRL_PIN(222, "PMU_I2C_CLK"),
272 	PINCTRL_PIN(223, "PMU_I2C_DATA"),
273 	PINCTRL_PIN(224, "PECI_SMB_CLK"),
274 	PINCTRL_PIN(225, "PECI_SMB_ALRT_N"),
275 	/* EMMC */
276 	PINCTRL_PIN(226, "EMMC_CMD"),
277 	PINCTRL_PIN(227, "EMMC_STROBE"),
278 	PINCTRL_PIN(228, "EMMC_CLK"),
279 	PINCTRL_PIN(229, "EMMC_D0"),
280 	PINCTRL_PIN(230, "EMMC_D1"),
281 	PINCTRL_PIN(231, "EMMC_D2"),
282 	PINCTRL_PIN(232, "EMMC_D3"),
283 	PINCTRL_PIN(233, "EMMC_D4"),
284 	PINCTRL_PIN(234, "EMMC_D5"),
285 	PINCTRL_PIN(235, "EMMC_D6"),
286 	PINCTRL_PIN(236, "EMMC_D7"),
287 };
288 
289 static const struct intel_padgroup cdf_community0_gpps[] = {
290 	CDF_GPP(0, 0, 23),	/* WEST2 */
291 	CDF_GPP(1, 24, 47),	/* WEST3 */
292 	CDF_GPP(2, 48, 70),	/* WEST01 */
293 	CDF_GPP(3, 71, 90),	/* WEST5 */
294 	CDF_GPP(4, 91, 96),	/* WESTC */
295 	CDF_GPP(5, 97, 101),	/* WESTC_DFX */
296 	CDF_GPP(6, 102, 111),	/* WESTA */
297 	CDF_GPP(7, 112, 123),	/* WESTB */
298 	CDF_GPP(8, 124, 143),	/* WESTD */
299 	CDF_GPP(9, 144, 144),	/* WESTD_PECI */
300 	CDF_GPP(10, 145, 167),	/* WESTF */
301 };
302 
303 static const struct intel_padgroup cdf_community1_gpps[] = {
304 	CDF_GPP(0, 168, 191),	/* EAST2 */
305 	CDF_GPP(1, 192, 202),	/* EAST3 */
306 	CDF_GPP(2, 203, 225),	/* EAST0 */
307 	CDF_GPP(3, 226, 236),	/* EMMC */
308 };
309 
310 static const struct intel_community cdf_communities[] = {
311 	CDF_COMMUNITY(0, 0, 167, cdf_community0_gpps),		/* West */
312 	CDF_COMMUNITY(1, 168, 236, cdf_community1_gpps),	/* East */
313 };
314 
315 static const struct intel_pinctrl_soc_data cdf_soc_data = {
316 	.pins = cdf_pins,
317 	.npins = ARRAY_SIZE(cdf_pins),
318 	.communities = cdf_communities,
319 	.ncommunities = ARRAY_SIZE(cdf_communities),
320 };
321 
322 static INTEL_PINCTRL_PM_OPS(cdf_pinctrl_pm_ops);
323 
324 static const struct acpi_device_id cdf_pinctrl_acpi_match[] = {
325 	{ "INTC3001", (kernel_ulong_t)&cdf_soc_data },
326 	{ }
327 };
328 MODULE_DEVICE_TABLE(acpi, cdf_pinctrl_acpi_match);
329 
330 static struct platform_driver cdf_pinctrl_driver = {
331 	.probe = intel_pinctrl_probe_by_hid,
332 	.driver = {
333 		.name = "cedarfork-pinctrl",
334 		.acpi_match_table = cdf_pinctrl_acpi_match,
335 		.pm = &cdf_pinctrl_pm_ops,
336 	},
337 };
338 
cdf_pinctrl_init(void)339 static int __init cdf_pinctrl_init(void)
340 {
341 	return platform_driver_register(&cdf_pinctrl_driver);
342 }
343 subsys_initcall(cdf_pinctrl_init);
344 
cdf_pinctrl_exit(void)345 static void __exit cdf_pinctrl_exit(void)
346 {
347 	platform_driver_unregister(&cdf_pinctrl_driver);
348 }
349 module_exit(cdf_pinctrl_exit);
350 
351 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
352 MODULE_DESCRIPTION("Intel Cedar Fork PCH pinctrl/GPIO driver");
353 MODULE_LICENSE("GPL v2");
354 MODULE_IMPORT_NS(PINCTRL_INTEL);
355