pinctrl-sm4250-lpass-lpi.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
  4 * Copyright (c) 2020, 2023 Linaro Ltd.
  5 */
  6
  7#include <linux/gpio/driver.h>
  8#include <linux/module.h>
  9#include <linux/platform_device.h>
 10
 11#include "pinctrl-lpass-lpi.h"
 12
 13enum lpass_lpi_functions {
 14	LPI_MUX_dmic01_clk,
 15	LPI_MUX_dmic01_data,
 16	LPI_MUX_dmic23_clk,
 17	LPI_MUX_dmic23_data,
 18	LPI_MUX_dmic4_clk,
 19	LPI_MUX_dmic4_data,
 20	LPI_MUX_ext_mclk0_a,
 21	LPI_MUX_ext_mclk0_b,
 22	LPI_MUX_ext_mclk1_a,
 23	LPI_MUX_ext_mclk1_b,
 24	LPI_MUX_ext_mclk1_c,
 25	LPI_MUX_i2s1_clk,
 26	LPI_MUX_i2s1_data,
 27	LPI_MUX_i2s1_ws,
 28	LPI_MUX_i2s2_clk,
 29	LPI_MUX_i2s2_data,
 30	LPI_MUX_i2s2_ws,
 31	LPI_MUX_i2s3_clk,
 32	LPI_MUX_i2s3_data,
 33	LPI_MUX_i2s3_ws,
 34	LPI_MUX_qup_io_00,
 35	LPI_MUX_qup_io_01,
 36	LPI_MUX_qup_io_05,
 37	LPI_MUX_qup_io_10,
 38	LPI_MUX_qup_io_11,
 39	LPI_MUX_qup_io_25,
 40	LPI_MUX_qup_io_21,
 41	LPI_MUX_qup_io_26,
 42	LPI_MUX_qup_io_31,
 43	LPI_MUX_qup_io_36,
 44	LPI_MUX_qua_mi2s_data,
 45	LPI_MUX_qua_mi2s_sclk,
 46	LPI_MUX_qua_mi2s_ws,
 47	LPI_MUX_slim_clk,
 48	LPI_MUX_slim_data,
 49	LPI_MUX_sync_out,
 50	LPI_MUX_swr_rx_clk,
 51	LPI_MUX_swr_rx_data,
 52	LPI_MUX_swr_tx_clk,
 53	LPI_MUX_swr_tx_data,
 54	LPI_MUX_swr_wsa_clk,
 55	LPI_MUX_swr_wsa_data,
 56	LPI_MUX_gpio,
 57	LPI_MUX__,
 58};
 59
 60static const struct pinctrl_pin_desc sm4250_lpi_pins[] = {
 61	PINCTRL_PIN(0, "gpio0"),
 62	PINCTRL_PIN(1, "gpio1"),
 63	PINCTRL_PIN(2, "gpio2"),
 64	PINCTRL_PIN(3, "gpio3"),
 65	PINCTRL_PIN(4, "gpio4"),
 66	PINCTRL_PIN(5, "gpio5"),
 67	PINCTRL_PIN(6, "gpio6"),
 68	PINCTRL_PIN(7, "gpio7"),
 69	PINCTRL_PIN(8, "gpio8"),
 70	PINCTRL_PIN(9, "gpio9"),
 71	PINCTRL_PIN(10, "gpio10"),
 72	PINCTRL_PIN(11, "gpio11"),
 73	PINCTRL_PIN(12, "gpio12"),
 74	PINCTRL_PIN(13, "gpio13"),
 75	PINCTRL_PIN(14, "gpio14"),
 76	PINCTRL_PIN(15, "gpio15"),
 77	PINCTRL_PIN(16, "gpio16"),
 78	PINCTRL_PIN(17, "gpio17"),
 79	PINCTRL_PIN(18, "gpio18"),
 80	PINCTRL_PIN(19, "gpio19"),
 81	PINCTRL_PIN(20, "gpio20"),
 82	PINCTRL_PIN(21, "gpio21"),
 83	PINCTRL_PIN(22, "gpio22"),
 84	PINCTRL_PIN(23, "gpio23"),
 85	PINCTRL_PIN(24, "gpio24"),
 86	PINCTRL_PIN(25, "gpio25"),
 87	PINCTRL_PIN(26, "gpio26"),
 88};
 89
 90static const char * const dmic01_clk_groups[] = { "gpio6" };
 91static const char * const dmic01_data_groups[] = { "gpio7" };
 92static const char * const dmic23_clk_groups[] = { "gpio8" };
 93static const char * const dmic23_data_groups[] = { "gpio9" };
 94static const char * const dmic4_clk_groups[] = { "gpio10" };
 95static const char * const dmic4_data_groups[] = { "gpio11" };
 96static const char * const ext_mclk0_a_groups[] = { "gpio13" };
 97static const char * const ext_mclk0_b_groups[] = { "gpio5" };
 98static const char * const ext_mclk1_a_groups[] = { "gpio18" };
 99static const char * const ext_mclk1_b_groups[] = { "gpio9" };
100static const char * const ext_mclk1_c_groups[] = { "gpio17" };
101static const char * const slim_clk_groups[] = { "gpio14" };
102static const char * const slim_data_groups[] = { "gpio15" };
103static const char * const i2s1_clk_groups[] = { "gpio6" };
104static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
105static const char * const i2s1_ws_groups[] = { "gpio7" };
106static const char * const i2s2_clk_groups[] = { "gpio10" };
107static const char * const i2s2_data_groups[] = { "gpio12", "gpio13" };
108static const char * const i2s2_ws_groups[] = { "gpio11" };
109static const char * const i2s3_clk_groups[] = { "gpio14" };
110static const char * const i2s3_data_groups[] = { "gpio16", "gpio17" };
111static const char * const i2s3_ws_groups[] = { "gpio15" };
112static const char * const qup_io_00_groups[] = { "gpio19" };
113static const char * const qup_io_01_groups[] = { "gpio21" };
114static const char * const qup_io_05_groups[] = { "gpio23" };
115static const char * const qup_io_10_groups[] = { "gpio20" };
116static const char * const qup_io_11_groups[] = { "gpio22" };
117static const char * const qup_io_25_groups[] = { "gpio23" };
118static const char * const qup_io_21_groups[] = { "gpio25" };
119static const char * const qup_io_26_groups[] = { "gpio25" };
120static const char * const qup_io_31_groups[] = { "gpio26" };
121static const char * const qup_io_36_groups[] = { "gpio26" };
122static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
123static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };
124static const char * const qua_mi2s_ws_groups[] = { "gpio1" };
125static const char * const sync_out_groups[] = { "gpio19", "gpio20", "gpio21", "gpio22",
126						"gpio23", "gpio24", "gpio25", "gpio26"};
127static const char * const swr_rx_clk_groups[] = { "gpio3" };
128static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
129static const char * const swr_tx_clk_groups[] = { "gpio0" };
130static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2" };
131static const char * const swr_wsa_clk_groups[] = { "gpio10" };
132static const char * const swr_wsa_data_groups[] = { "gpio11" };
133
134
135static const struct lpi_pingroup sm4250_groups[] = {
136	LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),
137	LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),
138	LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),
139	LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),
140	LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),
141	LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk0_b, qua_mi2s_data, _),
142	LPI_PINGROUP(6, LPI_NO_SLEW, dmic01_clk, i2s1_clk, _, _),
143	LPI_PINGROUP(7, LPI_NO_SLEW, dmic01_data, i2s1_ws, _, _),
144	LPI_PINGROUP(8, LPI_NO_SLEW, dmic23_clk, i2s1_data, _, _),
145	LPI_PINGROUP(9, LPI_NO_SLEW, dmic23_data, i2s1_data, ext_mclk1_b, _),
146	LPI_PINGROUP(10, 16, i2s2_clk, swr_wsa_clk, dmic4_clk, _),
147	LPI_PINGROUP(11, 18, i2s2_ws, swr_wsa_data, dmic4_data, _),
148	LPI_PINGROUP(12, LPI_NO_SLEW, dmic23_clk, i2s2_data, _, _),
149	LPI_PINGROUP(13, LPI_NO_SLEW, dmic23_data, i2s2_data, ext_mclk0_a, _),
150	LPI_PINGROUP(14, LPI_NO_SLEW, i2s3_clk, slim_clk, _, _),
151	LPI_PINGROUP(15, LPI_NO_SLEW, i2s3_ws, slim_data, _, _),
152	LPI_PINGROUP(16, LPI_NO_SLEW, i2s3_data, _, _, _),
153	LPI_PINGROUP(17, LPI_NO_SLEW, i2s3_data, ext_mclk1_c, _, _),
154	LPI_PINGROUP(18, 20, ext_mclk1_a, swr_rx_data, _, _),
155	LPI_PINGROUP(19, LPI_NO_SLEW, qup_io_00, sync_out, _, _),
156	LPI_PINGROUP(20, LPI_NO_SLEW, qup_io_10, sync_out, _, _),
157	LPI_PINGROUP(21, LPI_NO_SLEW, qup_io_01, sync_out, _, _),
158	LPI_PINGROUP(22, LPI_NO_SLEW, qup_io_11, sync_out, _, _),
159	LPI_PINGROUP(23, LPI_NO_SLEW, qup_io_25, qup_io_05, sync_out, _),
160	LPI_PINGROUP(25, LPI_NO_SLEW, qup_io_26, qup_io_21, sync_out, _),
161	LPI_PINGROUP(26, LPI_NO_SLEW, qup_io_36, qup_io_31, sync_out, _),
162};
163
164static const struct lpi_function sm4250_functions[] = {
165	LPI_FUNCTION(dmic01_clk),
166	LPI_FUNCTION(dmic01_data),
167	LPI_FUNCTION(dmic23_clk),
168	LPI_FUNCTION(dmic23_data),
169	LPI_FUNCTION(dmic4_clk),
170	LPI_FUNCTION(dmic4_data),
171	LPI_FUNCTION(ext_mclk0_a),
172	LPI_FUNCTION(ext_mclk0_b),
173	LPI_FUNCTION(ext_mclk1_a),
174	LPI_FUNCTION(ext_mclk1_b),
175	LPI_FUNCTION(ext_mclk1_c),
176	LPI_FUNCTION(i2s1_clk),
177	LPI_FUNCTION(i2s1_data),
178	LPI_FUNCTION(i2s1_ws),
179	LPI_FUNCTION(i2s2_clk),
180	LPI_FUNCTION(i2s2_data),
181	LPI_FUNCTION(i2s2_ws),
182	LPI_FUNCTION(i2s3_clk),
183	LPI_FUNCTION(i2s3_data),
184	LPI_FUNCTION(i2s3_ws),
185	LPI_FUNCTION(qup_io_00),
186	LPI_FUNCTION(qup_io_01),
187	LPI_FUNCTION(qup_io_05),
188	LPI_FUNCTION(qup_io_10),
189	LPI_FUNCTION(qup_io_11),
190	LPI_FUNCTION(qup_io_25),
191	LPI_FUNCTION(qup_io_21),
192	LPI_FUNCTION(qup_io_26),
193	LPI_FUNCTION(qup_io_31),
194	LPI_FUNCTION(qup_io_36),
195	LPI_FUNCTION(qua_mi2s_data),
196	LPI_FUNCTION(qua_mi2s_sclk),
197	LPI_FUNCTION(qua_mi2s_ws),
198	LPI_FUNCTION(slim_clk),
199	LPI_FUNCTION(slim_data),
200	LPI_FUNCTION(sync_out),
201	LPI_FUNCTION(swr_rx_clk),
202	LPI_FUNCTION(swr_rx_data),
203	LPI_FUNCTION(swr_tx_clk),
204	LPI_FUNCTION(swr_tx_data),
205	LPI_FUNCTION(swr_wsa_clk),
206	LPI_FUNCTION(swr_wsa_data),
207};
208
209static const struct lpi_pinctrl_variant_data sm4250_lpi_data = {
210	.pins = sm4250_lpi_pins,
211	.npins = ARRAY_SIZE(sm4250_lpi_pins),
212	.groups = sm4250_groups,
213	.ngroups = ARRAY_SIZE(sm4250_groups),
214	.functions = sm4250_functions,
215	.nfunctions = ARRAY_SIZE(sm4250_functions),
216};
217
218static const struct of_device_id lpi_pinctrl_of_match[] = {
219	{ .compatible = "qcom,sm4250-lpass-lpi-pinctrl", .data = &sm4250_lpi_data },
220	{ }
221};
222MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
223
224static struct platform_driver lpi_pinctrl_driver = {
225	.driver = {
226		.name = "qcom-sm4250-lpass-lpi-pinctrl",
227		.of_match_table = lpi_pinctrl_of_match,
228	},
229	.probe = lpi_pinctrl_probe,
230	.remove = lpi_pinctrl_remove,
231};
232
233module_platform_driver(lpi_pinctrl_driver);
234MODULE_DESCRIPTION("QTI SM4250 LPI GPIO pin control driver");
235MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
236MODULE_LICENSE("GPL");