pinctrl-sm8550-lpass-lpi.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * Copyright (c) 2022-2023 Linaro Ltd.
  4 */
  5
  6#include <linux/gpio/driver.h>
  7#include <linux/module.h>
  8#include <linux/platform_device.h>
  9
 10#include "pinctrl-lpass-lpi.h"
 11
 12enum lpass_lpi_functions {
 13	LPI_MUX_dmic1_clk,
 14	LPI_MUX_dmic1_data,
 15	LPI_MUX_dmic2_clk,
 16	LPI_MUX_dmic2_data,
 17	LPI_MUX_dmic3_clk,
 18	LPI_MUX_dmic3_data,
 19	LPI_MUX_dmic4_clk,
 20	LPI_MUX_dmic4_data,
 21	LPI_MUX_i2s0_clk,
 22	LPI_MUX_i2s0_data,
 23	LPI_MUX_i2s0_ws,
 24	LPI_MUX_i2s1_clk,
 25	LPI_MUX_i2s1_data,
 26	LPI_MUX_i2s1_ws,
 27	LPI_MUX_i2s2_clk,
 28	LPI_MUX_i2s2_data,
 29	LPI_MUX_i2s2_ws,
 30	LPI_MUX_i2s3_clk,
 31	LPI_MUX_i2s3_data,
 32	LPI_MUX_i2s3_ws,
 33	LPI_MUX_i2s4_clk,
 34	LPI_MUX_i2s4_data,
 35	LPI_MUX_i2s4_ws,
 36	LPI_MUX_slimbus_clk,
 37	LPI_MUX_slimbus_data,
 38	LPI_MUX_swr_rx_clk,
 39	LPI_MUX_swr_rx_data,
 40	LPI_MUX_swr_tx_clk,
 41	LPI_MUX_swr_tx_data,
 42	LPI_MUX_wsa_swr_clk,
 43	LPI_MUX_wsa_swr_data,
 44	LPI_MUX_wsa2_swr_clk,
 45	LPI_MUX_wsa2_swr_data,
 46	LPI_MUX_ext_mclk1_a,
 47	LPI_MUX_ext_mclk1_b,
 48	LPI_MUX_ext_mclk1_c,
 49	LPI_MUX_ext_mclk1_d,
 50	LPI_MUX_ext_mclk1_e,
 51	LPI_MUX_gpio,
 52	LPI_MUX__,
 53};
 54
 55static const struct pinctrl_pin_desc sm8550_lpi_pins[] = {
 56	PINCTRL_PIN(0, "gpio0"),
 57	PINCTRL_PIN(1, "gpio1"),
 58	PINCTRL_PIN(2, "gpio2"),
 59	PINCTRL_PIN(3, "gpio3"),
 60	PINCTRL_PIN(4, "gpio4"),
 61	PINCTRL_PIN(5, "gpio5"),
 62	PINCTRL_PIN(6, "gpio6"),
 63	PINCTRL_PIN(7, "gpio7"),
 64	PINCTRL_PIN(8, "gpio8"),
 65	PINCTRL_PIN(9, "gpio9"),
 66	PINCTRL_PIN(10, "gpio10"),
 67	PINCTRL_PIN(11, "gpio11"),
 68	PINCTRL_PIN(12, "gpio12"),
 69	PINCTRL_PIN(13, "gpio13"),
 70	PINCTRL_PIN(14, "gpio14"),
 71	PINCTRL_PIN(15, "gpio15"),
 72	PINCTRL_PIN(16, "gpio16"),
 73	PINCTRL_PIN(17, "gpio17"),
 74	PINCTRL_PIN(18, "gpio18"),
 75	PINCTRL_PIN(19, "gpio19"),
 76	PINCTRL_PIN(20, "gpio20"),
 77	PINCTRL_PIN(21, "gpio21"),
 78	PINCTRL_PIN(22, "gpio22"),
 79};
 80
 81static const char * const gpio_groups[] = {
 82	"gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7",
 83	"gpio8", "gpio9", "gpio10", "gpio11", "gpio12", "gpio13", "gpio14",
 84	"gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21",
 85	"gpio22",
 86};
 87
 88static const char * const dmic1_clk_groups[] = { "gpio6" };
 89static const char * const dmic1_data_groups[] = { "gpio7" };
 90static const char * const dmic2_clk_groups[] = { "gpio8" };
 91static const char * const dmic2_data_groups[] = { "gpio9" };
 92static const char * const dmic3_clk_groups[] = { "gpio12" };
 93static const char * const dmic3_data_groups[] = { "gpio13" };
 94static const char * const dmic4_clk_groups[] = { "gpio17" };
 95static const char * const dmic4_data_groups[] = { "gpio18" };
 96static const char * const i2s0_clk_groups[] = { "gpio0" };
 97static const char * const i2s0_ws_groups[] = { "gpio1" };
 98static const char * const i2s0_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
 99static const char * const i2s1_clk_groups[] = { "gpio6" };
100static const char * const i2s1_ws_groups[] = { "gpio7" };
101static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
102static const char * const i2s2_clk_groups[] = { "gpio10" };
103static const char * const i2s2_ws_groups[] = { "gpio11" };
104static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" };
105static const char * const i2s3_clk_groups[] = { "gpio12" };
106static const char * const i2s3_ws_groups[] = { "gpio13" };
107static const char * const i2s3_data_groups[] = { "gpio17", "gpio18" };
108static const char * const i2s4_clk_groups[] = { "gpio19"};
109static const char * const i2s4_ws_groups[] = { "gpio20"};
110static const char * const i2s4_data_groups[] = { "gpio21", "gpio22"};
111static const char * const slimbus_clk_groups[] = { "gpio19"};
112static const char * const slimbus_data_groups[] = { "gpio20"};
113static const char * const swr_tx_clk_groups[] = { "gpio0" };
114static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };
115static const char * const swr_rx_clk_groups[] = { "gpio3" };
116static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5", "gpio15" };
117static const char * const wsa_swr_clk_groups[] = { "gpio10" };
118static const char * const wsa_swr_data_groups[] = { "gpio11" };
119static const char * const wsa2_swr_clk_groups[] = { "gpio15" };
120static const char * const wsa2_swr_data_groups[] = { "gpio16" };
121static const char * const ext_mclk1_c_groups[] = { "gpio5" };
122static const char * const ext_mclk1_b_groups[] = { "gpio9" };
123static const char * const ext_mclk1_a_groups[] = { "gpio13" };
124static const char * const ext_mclk1_d_groups[] = { "gpio14" };
125static const char * const ext_mclk1_e_groups[] = { "gpio22" };
126
127static const struct lpi_pingroup sm8550_groups[] = {
128	LPI_PINGROUP(0, 0, swr_tx_clk, i2s0_clk, _, _),
129	LPI_PINGROUP(1, 2, swr_tx_data, i2s0_ws, _, _),
130	LPI_PINGROUP(2, 4, swr_tx_data, i2s0_data, _, _),
131	LPI_PINGROUP(3, 8, swr_rx_clk, i2s0_data, _, _),
132	LPI_PINGROUP(4, 10, swr_rx_data, i2s0_data, _, _),
133	LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk1_c, i2s0_data, _),
134	LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _,  _),
135	LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),
136	LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),
137	LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _),
138	LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),
139	LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),
140	LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s3_clk, _, _),
141	LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s3_ws, ext_mclk1_a, _),
142	LPI_PINGROUP(14, 6, swr_tx_data, ext_mclk1_d, _, _),
143	LPI_PINGROUP(15, 20, i2s2_data, wsa2_swr_clk, _, _),
144	LPI_PINGROUP(16, 22, i2s2_data, wsa2_swr_data, _, _),
145	LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s3_data, _, _),
146	LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s3_data, _, _),
147	LPI_PINGROUP(19, LPI_NO_SLEW, i2s4_clk, slimbus_clk, _, _),
148	LPI_PINGROUP(20, LPI_NO_SLEW, i2s4_ws, slimbus_data, _, _),
149	LPI_PINGROUP(21, LPI_NO_SLEW, i2s4_data, _, _, _),
150	LPI_PINGROUP(22, LPI_NO_SLEW, i2s4_data, ext_mclk1_e, _, _),
151};
152
153static const struct lpi_function sm8550_functions[] = {
154	LPI_FUNCTION(gpio),
155	LPI_FUNCTION(dmic1_clk),
156	LPI_FUNCTION(dmic1_data),
157	LPI_FUNCTION(dmic2_clk),
158	LPI_FUNCTION(dmic2_data),
159	LPI_FUNCTION(dmic3_clk),
160	LPI_FUNCTION(dmic3_data),
161	LPI_FUNCTION(dmic4_clk),
162	LPI_FUNCTION(dmic4_data),
163	LPI_FUNCTION(i2s0_clk),
164	LPI_FUNCTION(i2s0_data),
165	LPI_FUNCTION(i2s0_ws),
166	LPI_FUNCTION(i2s1_clk),
167	LPI_FUNCTION(i2s1_data),
168	LPI_FUNCTION(i2s1_ws),
169	LPI_FUNCTION(i2s2_clk),
170	LPI_FUNCTION(i2s2_data),
171	LPI_FUNCTION(i2s2_ws),
172	LPI_FUNCTION(i2s3_clk),
173	LPI_FUNCTION(i2s3_data),
174	LPI_FUNCTION(i2s3_ws),
175	LPI_FUNCTION(i2s4_clk),
176	LPI_FUNCTION(i2s4_data),
177	LPI_FUNCTION(i2s4_ws),
178	LPI_FUNCTION(slimbus_clk),
179	LPI_FUNCTION(slimbus_data),
180	LPI_FUNCTION(swr_rx_clk),
181	LPI_FUNCTION(swr_rx_data),
182	LPI_FUNCTION(swr_tx_clk),
183	LPI_FUNCTION(swr_tx_data),
184	LPI_FUNCTION(wsa_swr_clk),
185	LPI_FUNCTION(wsa_swr_data),
186	LPI_FUNCTION(wsa2_swr_clk),
187	LPI_FUNCTION(wsa2_swr_data),
188	LPI_FUNCTION(ext_mclk1_a),
189	LPI_FUNCTION(ext_mclk1_b),
190	LPI_FUNCTION(ext_mclk1_c),
191	LPI_FUNCTION(ext_mclk1_d),
192	LPI_FUNCTION(ext_mclk1_e),
193};
194
195static const struct lpi_pinctrl_variant_data sm8550_lpi_data = {
196	.pins = sm8550_lpi_pins,
197	.npins = ARRAY_SIZE(sm8550_lpi_pins),
198	.groups = sm8550_groups,
199	.ngroups = ARRAY_SIZE(sm8550_groups),
200	.functions = sm8550_functions,
201	.nfunctions = ARRAY_SIZE(sm8550_functions),
202};
203
204static const struct of_device_id lpi_pinctrl_of_match[] = {
205	{
206	       .compatible = "qcom,sm8550-lpass-lpi-pinctrl",
207	       .data = &sm8550_lpi_data,
208	},
209	{ }
210};
211MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
212
213static struct platform_driver lpi_pinctrl_driver = {
214	.driver = {
215		   .name = "qcom-sm8550-lpass-lpi-pinctrl",
216		   .of_match_table = lpi_pinctrl_of_match,
217	},
218	.probe = lpi_pinctrl_probe,
219	.remove = lpi_pinctrl_remove,
220};
221
222module_platform_driver(lpi_pinctrl_driver);
223MODULE_DESCRIPTION("Qualcomm SM8550 LPI GPIO pin control driver");
224MODULE_LICENSE("GPL");