1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Copyright (c) 2022 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_i2s1_clk, |
22 | LPI_MUX_i2s1_data, |
23 | LPI_MUX_i2s1_ws, |
24 | LPI_MUX_i2s2_clk, |
25 | LPI_MUX_i2s2_data, |
26 | LPI_MUX_i2s2_ws, |
27 | LPI_MUX_i2s3_clk, |
28 | LPI_MUX_i2s3_data, |
29 | LPI_MUX_i2s3_ws, |
30 | LPI_MUX_qua_mi2s_data, |
31 | LPI_MUX_qua_mi2s_sclk, |
32 | LPI_MUX_qua_mi2s_ws, |
33 | LPI_MUX_swr_rx_clk, |
34 | LPI_MUX_swr_rx_data, |
35 | LPI_MUX_swr_tx_clk, |
36 | LPI_MUX_swr_tx_data, |
37 | LPI_MUX_wsa_swr_clk, |
38 | LPI_MUX_wsa_swr_data, |
39 | LPI_MUX_wsa2_swr_clk, |
40 | LPI_MUX_wsa2_swr_data, |
41 | LPI_MUX_ext_mclk1_a, |
42 | LPI_MUX_ext_mclk1_b, |
43 | LPI_MUX_ext_mclk1_c, |
44 | LPI_MUX_gpio, |
45 | LPI_MUX__, |
46 | }; |
47 | |
48 | static const struct pinctrl_pin_desc sc8280xp_lpi_pins[] = { |
49 | PINCTRL_PIN(0, "gpio0" ), |
50 | PINCTRL_PIN(1, "gpio1" ), |
51 | PINCTRL_PIN(2, "gpio2" ), |
52 | PINCTRL_PIN(3, "gpio3" ), |
53 | PINCTRL_PIN(4, "gpio4" ), |
54 | PINCTRL_PIN(5, "gpio5" ), |
55 | PINCTRL_PIN(6, "gpio6" ), |
56 | PINCTRL_PIN(7, "gpio7" ), |
57 | PINCTRL_PIN(8, "gpio8" ), |
58 | PINCTRL_PIN(9, "gpio9" ), |
59 | PINCTRL_PIN(10, "gpio10" ), |
60 | PINCTRL_PIN(11, "gpio11" ), |
61 | PINCTRL_PIN(12, "gpio12" ), |
62 | PINCTRL_PIN(13, "gpio13" ), |
63 | PINCTRL_PIN(14, "gpio14" ), |
64 | PINCTRL_PIN(15, "gpio15" ), |
65 | PINCTRL_PIN(16, "gpio16" ), |
66 | PINCTRL_PIN(17, "gpio17" ), |
67 | PINCTRL_PIN(18, "gpio18" ), |
68 | }; |
69 | |
70 | static const char * const swr_tx_clk_groups[] = { "gpio0" }; |
71 | static const char * const swr_tx_data_groups[] = { "gpio1" , "gpio2" , "gpio14" }; |
72 | static const char * const swr_rx_clk_groups[] = { "gpio3" }; |
73 | static const char * const swr_rx_data_groups[] = { "gpio4" , "gpio5" }; |
74 | static const char * const dmic1_clk_groups[] = { "gpio6" }; |
75 | static const char * const dmic1_data_groups[] = { "gpio7" }; |
76 | static const char * const dmic2_clk_groups[] = { "gpio8" }; |
77 | static const char * const dmic2_data_groups[] = { "gpio9" }; |
78 | static const char * const dmic4_clk_groups[] = { "gpio17" }; |
79 | static const char * const dmic4_data_groups[] = { "gpio18" }; |
80 | static const char * const i2s2_clk_groups[] = { "gpio10" }; |
81 | static const char * const i2s2_ws_groups[] = { "gpio11" }; |
82 | static const char * const dmic3_clk_groups[] = { "gpio12" }; |
83 | static const char * const dmic3_data_groups[] = { "gpio13" }; |
84 | static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; |
85 | static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; |
86 | static const char * const qua_mi2s_data_groups[] = { "gpio2" , "gpio3" , "gpio4" , "gpio5" }; |
87 | static const char * const i2s1_clk_groups[] = { "gpio6" }; |
88 | static const char * const i2s1_ws_groups[] = { "gpio7" }; |
89 | static const char * const i2s1_data_groups[] = { "gpio8" , "gpio9" }; |
90 | static const char * const wsa_swr_clk_groups[] = { "gpio10" }; |
91 | static const char * const wsa_swr_data_groups[] = { "gpio11" }; |
92 | static const char * const wsa2_swr_clk_groups[] = { "gpio15" }; |
93 | static const char * const wsa2_swr_data_groups[] = { "gpio16" }; |
94 | static const char * const i2s2_data_groups[] = { "gpio15" , "gpio16" }; |
95 | static const char * const i2s3_clk_groups[] = { "gpio12" }; |
96 | static const char * const i2s3_ws_groups[] = { "gpio13" }; |
97 | static const char * const i2s3_data_groups[] = { "gpio17" , "gpio18" }; |
98 | static const char * const ext_mclk1_c_groups[] = { "gpio5" }; |
99 | static const char * const ext_mclk1_b_groups[] = { "gpio9" }; |
100 | static const char * const ext_mclk1_a_groups[] = { "gpio13" }; |
101 | |
102 | static const struct lpi_pingroup sc8280xp_groups[] = { |
103 | LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), |
104 | LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), |
105 | LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), |
106 | LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), |
107 | LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), |
108 | LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk1_c, qua_mi2s_data, _), |
109 | LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _), |
110 | LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _), |
111 | LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _), |
112 | LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _), |
113 | LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _), |
114 | LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _), |
115 | LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s3_clk, _, _), |
116 | LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s3_ws, ext_mclk1_a, _), |
117 | LPI_PINGROUP(14, 6, swr_tx_data, _, _, _), |
118 | LPI_PINGROUP(15, 20, i2s2_data, wsa2_swr_clk, _, _), |
119 | LPI_PINGROUP(16, 22, i2s2_data, wsa2_swr_data, _, _), |
120 | LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s3_data, _, _), |
121 | LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s3_data, _, _), |
122 | }; |
123 | |
124 | static const struct lpi_function sc8280xp_functions[] = { |
125 | LPI_FUNCTION(dmic1_clk), |
126 | LPI_FUNCTION(dmic1_data), |
127 | LPI_FUNCTION(dmic2_clk), |
128 | LPI_FUNCTION(dmic2_data), |
129 | LPI_FUNCTION(dmic3_clk), |
130 | LPI_FUNCTION(dmic3_data), |
131 | LPI_FUNCTION(dmic4_clk), |
132 | LPI_FUNCTION(dmic4_data), |
133 | LPI_FUNCTION(i2s1_clk), |
134 | LPI_FUNCTION(i2s1_data), |
135 | LPI_FUNCTION(i2s1_ws), |
136 | LPI_FUNCTION(i2s2_clk), |
137 | LPI_FUNCTION(i2s2_data), |
138 | LPI_FUNCTION(i2s2_ws), |
139 | LPI_FUNCTION(i2s3_clk), |
140 | LPI_FUNCTION(i2s3_data), |
141 | LPI_FUNCTION(i2s3_ws), |
142 | LPI_FUNCTION(qua_mi2s_data), |
143 | LPI_FUNCTION(qua_mi2s_sclk), |
144 | LPI_FUNCTION(qua_mi2s_ws), |
145 | LPI_FUNCTION(swr_rx_clk), |
146 | LPI_FUNCTION(swr_rx_data), |
147 | LPI_FUNCTION(swr_tx_clk), |
148 | LPI_FUNCTION(swr_tx_data), |
149 | LPI_FUNCTION(wsa_swr_clk), |
150 | LPI_FUNCTION(wsa_swr_data), |
151 | LPI_FUNCTION(wsa2_swr_clk), |
152 | LPI_FUNCTION(wsa2_swr_data), |
153 | LPI_FUNCTION(ext_mclk1_a), |
154 | LPI_FUNCTION(ext_mclk1_b), |
155 | LPI_FUNCTION(ext_mclk1_c), |
156 | }; |
157 | |
158 | static const struct lpi_pinctrl_variant_data sc8280xp_lpi_data = { |
159 | .pins = sc8280xp_lpi_pins, |
160 | .npins = ARRAY_SIZE(sc8280xp_lpi_pins), |
161 | .groups = sc8280xp_groups, |
162 | .ngroups = ARRAY_SIZE(sc8280xp_groups), |
163 | .functions = sc8280xp_functions, |
164 | .nfunctions = ARRAY_SIZE(sc8280xp_functions), |
165 | }; |
166 | |
167 | static const struct of_device_id lpi_pinctrl_of_match[] = { |
168 | { |
169 | .compatible = "qcom,sc8280xp-lpass-lpi-pinctrl" , |
170 | .data = &sc8280xp_lpi_data, |
171 | }, |
172 | { } |
173 | }; |
174 | MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); |
175 | |
176 | static struct platform_driver lpi_pinctrl_driver = { |
177 | .driver = { |
178 | .name = "qcom-sc8280xp-lpass-lpi-pinctrl" , |
179 | .of_match_table = lpi_pinctrl_of_match, |
180 | }, |
181 | .probe = lpi_pinctrl_probe, |
182 | .remove_new = lpi_pinctrl_remove, |
183 | }; |
184 | |
185 | module_platform_driver(lpi_pinctrl_driver); |
186 | MODULE_DESCRIPTION("QTI SC8280XP LPI GPIO pin control driver" ); |
187 | MODULE_LICENSE("GPL" ); |
188 | |