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 | |
12 | enum 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 | |
55 | static 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 | |
81 | static 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 | |
88 | static const char * const dmic1_clk_groups[] = { "gpio6" }; |
89 | static const char * const dmic1_data_groups[] = { "gpio7" }; |
90 | static const char * const dmic2_clk_groups[] = { "gpio8" }; |
91 | static const char * const dmic2_data_groups[] = { "gpio9" }; |
92 | static const char * const dmic3_clk_groups[] = { "gpio12" }; |
93 | static const char * const dmic3_data_groups[] = { "gpio13" }; |
94 | static const char * const dmic4_clk_groups[] = { "gpio17" }; |
95 | static const char * const dmic4_data_groups[] = { "gpio18" }; |
96 | static const char * const i2s0_clk_groups[] = { "gpio0" }; |
97 | static const char * const i2s0_ws_groups[] = { "gpio1" }; |
98 | static const char * const i2s0_data_groups[] = { "gpio2" , "gpio3" , "gpio4" , "gpio5" }; |
99 | static const char * const i2s1_clk_groups[] = { "gpio6" }; |
100 | static const char * const i2s1_ws_groups[] = { "gpio7" }; |
101 | static const char * const i2s1_data_groups[] = { "gpio8" , "gpio9" }; |
102 | static const char * const i2s2_clk_groups[] = { "gpio10" }; |
103 | static const char * const i2s2_ws_groups[] = { "gpio11" }; |
104 | static const char * const i2s2_data_groups[] = { "gpio15" , "gpio16" }; |
105 | static const char * const i2s3_clk_groups[] = { "gpio12" }; |
106 | static const char * const i2s3_ws_groups[] = { "gpio13" }; |
107 | static const char * const i2s3_data_groups[] = { "gpio17" , "gpio18" }; |
108 | static const char * const i2s4_clk_groups[] = { "gpio19" }; |
109 | static const char * const i2s4_ws_groups[] = { "gpio20" }; |
110 | static const char * const i2s4_data_groups[] = { "gpio21" , "gpio22" }; |
111 | static const char * const slimbus_clk_groups[] = { "gpio19" }; |
112 | static const char * const slimbus_data_groups[] = { "gpio20" }; |
113 | static const char * const swr_tx_clk_groups[] = { "gpio0" }; |
114 | static const char * const swr_tx_data_groups[] = { "gpio1" , "gpio2" , "gpio14" }; |
115 | static const char * const swr_rx_clk_groups[] = { "gpio3" }; |
116 | static const char * const swr_rx_data_groups[] = { "gpio4" , "gpio5" , "gpio15" }; |
117 | static const char * const wsa_swr_clk_groups[] = { "gpio10" }; |
118 | static const char * const wsa_swr_data_groups[] = { "gpio11" }; |
119 | static const char * const wsa2_swr_clk_groups[] = { "gpio15" }; |
120 | static const char * const wsa2_swr_data_groups[] = { "gpio16" }; |
121 | static const char * const ext_mclk1_c_groups[] = { "gpio5" }; |
122 | static const char * const ext_mclk1_b_groups[] = { "gpio9" }; |
123 | static const char * const ext_mclk1_a_groups[] = { "gpio13" }; |
124 | static const char * const ext_mclk1_d_groups[] = { "gpio14" }; |
125 | static const char * const ext_mclk1_e_groups[] = { "gpio22" }; |
126 | |
127 | static 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 | |
153 | static 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 | |
195 | static 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 | |
204 | static 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 | }; |
211 | MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); |
212 | |
213 | static 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_new = lpi_pinctrl_remove, |
220 | }; |
221 | |
222 | module_platform_driver(lpi_pinctrl_driver); |
223 | MODULE_DESCRIPTION("Qualcomm SM8550 LPI GPIO pin control driver" ); |
224 | MODULE_LICENSE("GPL" ); |
225 | |