tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_qca_swr_clk,
37 LPI_MUX_qca_swr_data,
38 LPI_MUX_slimbus_clk,
39 LPI_MUX_slimbus_data,
40 LPI_MUX_swr_rx_clk,
41 LPI_MUX_swr_rx_data,
42 LPI_MUX_swr_tx_clk,
43 LPI_MUX_swr_tx_data,
44 LPI_MUX_wsa_swr_clk,
45 LPI_MUX_wsa_swr_data,
46 LPI_MUX_wsa2_swr_clk,
47 LPI_MUX_wsa2_swr_data,
48 LPI_MUX_ext_mclk1_a,
49 LPI_MUX_ext_mclk1_b,
50 LPI_MUX_ext_mclk1_c,
51 LPI_MUX_ext_mclk1_d,
52 LPI_MUX_ext_mclk1_e,
53 LPI_MUX_gpio,
54 LPI_MUX__,
55};
56
57static const struct pinctrl_pin_desc sm8650_lpi_pins[] = {
58 PINCTRL_PIN(0, "gpio0"),
59 PINCTRL_PIN(1, "gpio1"),
60 PINCTRL_PIN(2, "gpio2"),
61 PINCTRL_PIN(3, "gpio3"),
62 PINCTRL_PIN(4, "gpio4"),
63 PINCTRL_PIN(5, "gpio5"),
64 PINCTRL_PIN(6, "gpio6"),
65 PINCTRL_PIN(7, "gpio7"),
66 PINCTRL_PIN(8, "gpio8"),
67 PINCTRL_PIN(9, "gpio9"),
68 PINCTRL_PIN(10, "gpio10"),
69 PINCTRL_PIN(11, "gpio11"),
70 PINCTRL_PIN(12, "gpio12"),
71 PINCTRL_PIN(13, "gpio13"),
72 PINCTRL_PIN(14, "gpio14"),
73 PINCTRL_PIN(15, "gpio15"),
74 PINCTRL_PIN(16, "gpio16"),
75 PINCTRL_PIN(17, "gpio17"),
76 PINCTRL_PIN(18, "gpio18"),
77 PINCTRL_PIN(19, "gpio19"),
78 PINCTRL_PIN(20, "gpio20"),
79 PINCTRL_PIN(21, "gpio21"),
80 PINCTRL_PIN(22, "gpio22"),
81};
82
83static const char * const gpio_groups[] = {
84 "gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7",
85 "gpio8", "gpio9", "gpio10", "gpio11", "gpio12", "gpio13", "gpio14",
86 "gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21",
87 "gpio22",
88};
89
90static const char * const dmic1_clk_groups[] = { "gpio6" };
91static const char * const dmic1_data_groups[] = { "gpio7" };
92static const char * const dmic2_clk_groups[] = { "gpio8" };
93static const char * const dmic2_data_groups[] = { "gpio9" };
94static const char * const dmic3_clk_groups[] = { "gpio12" };
95static const char * const dmic3_data_groups[] = { "gpio13" };
96static const char * const dmic4_clk_groups[] = { "gpio17" };
97static const char * const dmic4_data_groups[] = { "gpio18" };
98static const char * const i2s0_clk_groups[] = { "gpio0" };
99static const char * const i2s0_ws_groups[] = { "gpio1" };
100static const char * const i2s0_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
101static const char * const i2s1_clk_groups[] = { "gpio6" };
102static const char * const i2s1_ws_groups[] = { "gpio7" };
103static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
104static const char * const i2s2_clk_groups[] = { "gpio10" };
105static const char * const i2s2_ws_groups[] = { "gpio11" };
106static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" };
107static const char * const i2s3_clk_groups[] = { "gpio12" };
108static const char * const i2s3_ws_groups[] = { "gpio13" };
109static const char * const i2s3_data_groups[] = { "gpio17", "gpio18" };
110static const char * const i2s4_clk_groups[] = { "gpio19"};
111static const char * const i2s4_ws_groups[] = { "gpio20"};
112static const char * const i2s4_data_groups[] = { "gpio21", "gpio22"};
113static const char * const qca_swr_clk_groups[] = { "gpio19" };
114static const char * const qca_swr_data_groups[] = { "gpio20" };
115static const char * const slimbus_clk_groups[] = { "gpio19"};
116static const char * const slimbus_data_groups[] = { "gpio20"};
117static const char * const swr_tx_clk_groups[] = { "gpio0" };
118static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };
119static const char * const swr_rx_clk_groups[] = { "gpio3" };
120static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5", "gpio15" };
121static const char * const wsa_swr_clk_groups[] = { "gpio10" };
122static const char * const wsa_swr_data_groups[] = { "gpio11" };
123static const char * const wsa2_swr_clk_groups[] = { "gpio15" };
124static const char * const wsa2_swr_data_groups[] = { "gpio16" };
125static const char * const ext_mclk1_c_groups[] = { "gpio5" };
126static const char * const ext_mclk1_b_groups[] = { "gpio9" };
127static const char * const ext_mclk1_a_groups[] = { "gpio13" };
128static const char * const ext_mclk1_d_groups[] = { "gpio14" };
129static const char * const ext_mclk1_e_groups[] = { "gpio22" };
130
131static const struct lpi_pingroup sm8650_groups[] = {
132 LPI_PINGROUP(0, 11, swr_tx_clk, i2s0_clk, _, _),
133 LPI_PINGROUP(1, 11, swr_tx_data, i2s0_ws, _, _),
134 LPI_PINGROUP(2, 11, swr_tx_data, i2s0_data, _, _),
135 LPI_PINGROUP(3, 11, swr_rx_clk, i2s0_data, _, _),
136 LPI_PINGROUP(4, 11, swr_rx_data, i2s0_data, _, _),
137 LPI_PINGROUP(5, 11, swr_rx_data, ext_mclk1_c, i2s0_data, _),
138 LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _),
139 LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),
140 LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),
141 LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _),
142 LPI_PINGROUP(10, 11, i2s2_clk, wsa_swr_clk, _, _),
143 LPI_PINGROUP(11, 11, i2s2_ws, wsa_swr_data, _, _),
144 LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s3_clk, _, _),
145 LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s3_ws, ext_mclk1_a, _),
146 LPI_PINGROUP(14, 11, swr_tx_data, ext_mclk1_d, _, _),
147 LPI_PINGROUP(15, 11, i2s2_data, wsa2_swr_clk, _, _),
148 LPI_PINGROUP(16, 11, i2s2_data, wsa2_swr_data, _, _),
149 LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s3_data, _, _),
150 LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s3_data, _, _),
151 LPI_PINGROUP(19, 11, i2s4_clk, slimbus_clk, qca_swr_clk, _),
152 LPI_PINGROUP(20, 11, i2s4_ws, slimbus_data, qca_swr_data, _),
153 LPI_PINGROUP(21, LPI_NO_SLEW, i2s4_data, _, _, _),
154 LPI_PINGROUP(22, LPI_NO_SLEW, i2s4_data, ext_mclk1_e, _, _),
155};
156
157static const struct lpi_function sm8650_functions[] = {
158 LPI_FUNCTION(gpio),
159 LPI_FUNCTION(dmic1_clk),
160 LPI_FUNCTION(dmic1_data),
161 LPI_FUNCTION(dmic2_clk),
162 LPI_FUNCTION(dmic2_data),
163 LPI_FUNCTION(dmic3_clk),
164 LPI_FUNCTION(dmic3_data),
165 LPI_FUNCTION(dmic4_clk),
166 LPI_FUNCTION(dmic4_data),
167 LPI_FUNCTION(i2s0_clk),
168 LPI_FUNCTION(i2s0_data),
169 LPI_FUNCTION(i2s0_ws),
170 LPI_FUNCTION(i2s1_clk),
171 LPI_FUNCTION(i2s1_data),
172 LPI_FUNCTION(i2s1_ws),
173 LPI_FUNCTION(i2s2_clk),
174 LPI_FUNCTION(i2s2_data),
175 LPI_FUNCTION(i2s2_ws),
176 LPI_FUNCTION(i2s3_clk),
177 LPI_FUNCTION(i2s3_data),
178 LPI_FUNCTION(i2s3_ws),
179 LPI_FUNCTION(i2s4_clk),
180 LPI_FUNCTION(i2s4_data),
181 LPI_FUNCTION(i2s4_ws),
182 LPI_FUNCTION(qca_swr_clk),
183 LPI_FUNCTION(qca_swr_data),
184 LPI_FUNCTION(slimbus_clk),
185 LPI_FUNCTION(slimbus_data),
186 LPI_FUNCTION(swr_rx_clk),
187 LPI_FUNCTION(swr_rx_data),
188 LPI_FUNCTION(swr_tx_clk),
189 LPI_FUNCTION(swr_tx_data),
190 LPI_FUNCTION(wsa_swr_clk),
191 LPI_FUNCTION(wsa_swr_data),
192 LPI_FUNCTION(wsa2_swr_clk),
193 LPI_FUNCTION(wsa2_swr_data),
194 LPI_FUNCTION(ext_mclk1_a),
195 LPI_FUNCTION(ext_mclk1_b),
196 LPI_FUNCTION(ext_mclk1_c),
197 LPI_FUNCTION(ext_mclk1_d),
198 LPI_FUNCTION(ext_mclk1_e),
199};
200
201static const struct lpi_pinctrl_variant_data sm8650_lpi_data = {
202 .pins = sm8650_lpi_pins,
203 .npins = ARRAY_SIZE(sm8650_lpi_pins),
204 .groups = sm8650_groups,
205 .ngroups = ARRAY_SIZE(sm8650_groups),
206 .functions = sm8650_functions,
207 .nfunctions = ARRAY_SIZE(sm8650_functions),
208 .flags = LPI_FLAG_SLEW_RATE_SAME_REG,
209};
210
211static const struct of_device_id lpi_pinctrl_of_match[] = {
212 {
213 .compatible = "qcom,sm8650-lpass-lpi-pinctrl",
214 .data = &sm8650_lpi_data,
215 },
216 { }
217};
218MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
219
220static struct platform_driver lpi_pinctrl_driver = {
221 .driver = {
222 .name = "qcom-sm8650-lpass-lpi-pinctrl",
223 .of_match_table = lpi_pinctrl_of_match,
224 },
225 .probe = lpi_pinctrl_probe,
226 .remove = lpi_pinctrl_remove,
227};
228
229module_platform_driver(lpi_pinctrl_driver);
230MODULE_DESCRIPTION("Qualcomm SM8650 LPI GPIO pin control driver");
231MODULE_LICENSE("GPL");