1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2022 Linaro Ltd.
6 #include <linux/gpio/driver.h>
7 #include <linux/module.h>
8 #include <linux/platform_device.h>
10 #include "pinctrl-lpass-lpi.h"
12 enum lpass_lpi_functions {
30 LPI_MUX_qua_mi2s_data,
31 LPI_MUX_qua_mi2s_sclk,
40 LPI_MUX_wsa2_swr_data,
48 static int gpio0_pins[] = { 0 };
49 static int gpio1_pins[] = { 1 };
50 static int gpio2_pins[] = { 2 };
51 static int gpio3_pins[] = { 3 };
52 static int gpio4_pins[] = { 4 };
53 static int gpio5_pins[] = { 5 };
54 static int gpio6_pins[] = { 6 };
55 static int gpio7_pins[] = { 7 };
56 static int gpio8_pins[] = { 8 };
57 static int gpio9_pins[] = { 9 };
58 static int gpio10_pins[] = { 10 };
59 static int gpio11_pins[] = { 11 };
60 static int gpio12_pins[] = { 12 };
61 static int gpio13_pins[] = { 13 };
62 static int gpio14_pins[] = { 14 };
63 static int gpio15_pins[] = { 15 };
64 static int gpio16_pins[] = { 16 };
65 static int gpio17_pins[] = { 17 };
66 static int gpio18_pins[] = { 18 };
68 static const struct pinctrl_pin_desc sc8280xp_lpi_pins[] = {
69 PINCTRL_PIN(0, "gpio0"),
70 PINCTRL_PIN(1, "gpio1"),
71 PINCTRL_PIN(2, "gpio2"),
72 PINCTRL_PIN(3, "gpio3"),
73 PINCTRL_PIN(4, "gpio4"),
74 PINCTRL_PIN(5, "gpio5"),
75 PINCTRL_PIN(6, "gpio6"),
76 PINCTRL_PIN(7, "gpio7"),
77 PINCTRL_PIN(8, "gpio8"),
78 PINCTRL_PIN(9, "gpio9"),
79 PINCTRL_PIN(10, "gpio10"),
80 PINCTRL_PIN(11, "gpio11"),
81 PINCTRL_PIN(12, "gpio12"),
82 PINCTRL_PIN(13, "gpio13"),
83 PINCTRL_PIN(14, "gpio14"),
84 PINCTRL_PIN(15, "gpio15"),
85 PINCTRL_PIN(16, "gpio16"),
86 PINCTRL_PIN(17, "gpio17"),
87 PINCTRL_PIN(18, "gpio18"),
90 static const char * const swr_tx_clk_groups[] = { "gpio0" };
91 static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };
92 static const char * const swr_rx_clk_groups[] = { "gpio3" };
93 static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
94 static const char * const dmic1_clk_groups[] = { "gpio6" };
95 static const char * const dmic1_data_groups[] = { "gpio7" };
96 static const char * const dmic2_clk_groups[] = { "gpio8" };
97 static const char * const dmic2_data_groups[] = { "gpio9" };
98 static const char * const dmic4_clk_groups[] = { "gpio17" };
99 static const char * const dmic4_data_groups[] = { "gpio18" };
100 static const char * const i2s2_clk_groups[] = { "gpio10" };
101 static const char * const i2s2_ws_groups[] = { "gpio11" };
102 static const char * const dmic3_clk_groups[] = { "gpio12" };
103 static const char * const dmic3_data_groups[] = { "gpio13" };
104 static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };
105 static const char * const qua_mi2s_ws_groups[] = { "gpio1" };
106 static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
107 static const char * const i2s1_clk_groups[] = { "gpio6" };
108 static const char * const i2s1_ws_groups[] = { "gpio7" };
109 static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
110 static const char * const wsa_swr_clk_groups[] = { "gpio10" };
111 static const char * const wsa_swr_data_groups[] = { "gpio11" };
112 static const char * const wsa2_swr_clk_groups[] = { "gpio15" };
113 static const char * const wsa2_swr_data_groups[] = { "gpio16" };
114 static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" };
115 static const char * const i2s3_clk_groups[] = { "gpio12"};
116 static const char * const i2s3_ws_groups[] = { "gpio13"};
117 static const char * const i2s3_data_groups[] = { "gpio17", "gpio18"};
118 static const char * const ext_mclk1_c_groups[] = { "gpio5" };
119 static const char * const ext_mclk1_b_groups[] = { "gpio9" };
120 static const char * const ext_mclk1_a_groups[] = { "gpio13" };
122 static const struct lpi_pingroup sc8280xp_groups[] = {
123 LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),
124 LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),
125 LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),
126 LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),
127 LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),
128 LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk1_c, qua_mi2s_data, _),
129 LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _),
130 LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),
131 LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),
132 LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _),
133 LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),
134 LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),
135 LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s3_clk, _, _),
136 LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s3_ws, ext_mclk1_a, _),
137 LPI_PINGROUP(14, 6, swr_tx_data, _, _, _),
138 LPI_PINGROUP(15, 20, i2s2_data, wsa2_swr_clk, _, _),
139 LPI_PINGROUP(16, 22, i2s2_data, wsa2_swr_data, _, _),
140 LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s3_data, _, _),
141 LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s3_data, _, _),
144 static const struct lpi_function sc8280xp_functions[] = {
145 LPI_FUNCTION(dmic1_clk),
146 LPI_FUNCTION(dmic1_data),
147 LPI_FUNCTION(dmic2_clk),
148 LPI_FUNCTION(dmic2_data),
149 LPI_FUNCTION(dmic3_clk),
150 LPI_FUNCTION(dmic3_data),
151 LPI_FUNCTION(dmic4_clk),
152 LPI_FUNCTION(dmic4_data),
153 LPI_FUNCTION(i2s1_clk),
154 LPI_FUNCTION(i2s1_data),
155 LPI_FUNCTION(i2s1_ws),
156 LPI_FUNCTION(i2s2_clk),
157 LPI_FUNCTION(i2s2_data),
158 LPI_FUNCTION(i2s2_ws),
159 LPI_FUNCTION(i2s3_clk),
160 LPI_FUNCTION(i2s3_data),
161 LPI_FUNCTION(i2s3_ws),
162 LPI_FUNCTION(qua_mi2s_data),
163 LPI_FUNCTION(qua_mi2s_sclk),
164 LPI_FUNCTION(qua_mi2s_ws),
165 LPI_FUNCTION(swr_rx_clk),
166 LPI_FUNCTION(swr_rx_data),
167 LPI_FUNCTION(swr_tx_clk),
168 LPI_FUNCTION(swr_tx_data),
169 LPI_FUNCTION(wsa_swr_clk),
170 LPI_FUNCTION(wsa_swr_data),
171 LPI_FUNCTION(wsa2_swr_clk),
172 LPI_FUNCTION(wsa2_swr_data),
173 LPI_FUNCTION(ext_mclk1_a),
174 LPI_FUNCTION(ext_mclk1_b),
175 LPI_FUNCTION(ext_mclk1_c),
178 static const struct lpi_pinctrl_variant_data sc8280xp_lpi_data = {
179 .pins = sc8280xp_lpi_pins,
180 .npins = ARRAY_SIZE(sc8280xp_lpi_pins),
181 .groups = sc8280xp_groups,
182 .ngroups = ARRAY_SIZE(sc8280xp_groups),
183 .functions = sc8280xp_functions,
184 .nfunctions = ARRAY_SIZE(sc8280xp_functions),
187 static const struct of_device_id lpi_pinctrl_of_match[] = {
189 .compatible = "qcom,sc8280xp-lpass-lpi-pinctrl",
190 .data = &sc8280xp_lpi_data,
194 MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
196 static struct platform_driver lpi_pinctrl_driver = {
198 .name = "qcom-sc8280xp-lpass-lpi-pinctrl",
199 .of_match_table = lpi_pinctrl_of_match,
201 .probe = lpi_pinctrl_probe,
202 .remove = lpi_pinctrl_remove,
205 module_platform_driver(lpi_pinctrl_driver);
206 MODULE_DESCRIPTION("QTI SC8280XP LPI GPIO pin control driver");
207 MODULE_LICENSE("GPL");