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 = 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