1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. 4 * Copyright (c) 2020, 2023 Linaro Ltd. 5 */ 6 7 #include <linux/gpio/driver.h> 8 #include <linux/module.h> 9 #include <linux/platform_device.h> 10 11 #include "pinctrl-lpass-lpi.h" 12 13 enum lpass_lpi_functions { 14 LPI_MUX_dmic01_clk, 15 LPI_MUX_dmic01_data, 16 LPI_MUX_dmic23_clk, 17 LPI_MUX_dmic23_data, 18 LPI_MUX_dmic4_clk, 19 LPI_MUX_dmic4_data, 20 LPI_MUX_ext_mclk0_a, 21 LPI_MUX_ext_mclk0_b, 22 LPI_MUX_ext_mclk1_a, 23 LPI_MUX_ext_mclk1_b, 24 LPI_MUX_ext_mclk1_c, 25 LPI_MUX_i2s1_clk, 26 LPI_MUX_i2s1_data, 27 LPI_MUX_i2s1_ws, 28 LPI_MUX_i2s2_clk, 29 LPI_MUX_i2s2_data, 30 LPI_MUX_i2s2_ws, 31 LPI_MUX_i2s3_clk, 32 LPI_MUX_i2s3_data, 33 LPI_MUX_i2s3_ws, 34 LPI_MUX_qup_io_00, 35 LPI_MUX_qup_io_01, 36 LPI_MUX_qup_io_05, 37 LPI_MUX_qup_io_10, 38 LPI_MUX_qup_io_11, 39 LPI_MUX_qup_io_25, 40 LPI_MUX_qup_io_21, 41 LPI_MUX_qup_io_26, 42 LPI_MUX_qup_io_31, 43 LPI_MUX_qup_io_36, 44 LPI_MUX_qua_mi2s_data, 45 LPI_MUX_qua_mi2s_sclk, 46 LPI_MUX_qua_mi2s_ws, 47 LPI_MUX_slim_clk, 48 LPI_MUX_slim_data, 49 LPI_MUX_sync_out, 50 LPI_MUX_swr_rx_clk, 51 LPI_MUX_swr_rx_data, 52 LPI_MUX_swr_tx_clk, 53 LPI_MUX_swr_tx_data, 54 LPI_MUX_swr_wsa_clk, 55 LPI_MUX_swr_wsa_data, 56 LPI_MUX_gpio, 57 LPI_MUX__, 58 }; 59 60 static const struct pinctrl_pin_desc sm4250_lpi_pins[] = { 61 PINCTRL_PIN(0, "gpio0"), 62 PINCTRL_PIN(1, "gpio1"), 63 PINCTRL_PIN(2, "gpio2"), 64 PINCTRL_PIN(3, "gpio3"), 65 PINCTRL_PIN(4, "gpio4"), 66 PINCTRL_PIN(5, "gpio5"), 67 PINCTRL_PIN(6, "gpio6"), 68 PINCTRL_PIN(7, "gpio7"), 69 PINCTRL_PIN(8, "gpio8"), 70 PINCTRL_PIN(9, "gpio9"), 71 PINCTRL_PIN(10, "gpio10"), 72 PINCTRL_PIN(11, "gpio11"), 73 PINCTRL_PIN(12, "gpio12"), 74 PINCTRL_PIN(13, "gpio13"), 75 PINCTRL_PIN(14, "gpio14"), 76 PINCTRL_PIN(15, "gpio15"), 77 PINCTRL_PIN(16, "gpio16"), 78 PINCTRL_PIN(17, "gpio17"), 79 PINCTRL_PIN(18, "gpio18"), 80 PINCTRL_PIN(19, "gpio19"), 81 PINCTRL_PIN(20, "gpio20"), 82 PINCTRL_PIN(21, "gpio21"), 83 PINCTRL_PIN(22, "gpio22"), 84 PINCTRL_PIN(23, "gpio23"), 85 PINCTRL_PIN(24, "gpio24"), 86 PINCTRL_PIN(25, "gpio25"), 87 PINCTRL_PIN(26, "gpio26"), 88 }; 89 90 static const char * const dmic01_clk_groups[] = { "gpio6" }; 91 static const char * const dmic01_data_groups[] = { "gpio7" }; 92 static const char * const dmic23_clk_groups[] = { "gpio8" }; 93 static const char * const dmic23_data_groups[] = { "gpio9" }; 94 static const char * const dmic4_clk_groups[] = { "gpio10" }; 95 static const char * const dmic4_data_groups[] = { "gpio11" }; 96 static const char * const ext_mclk0_a_groups[] = { "gpio13" }; 97 static const char * const ext_mclk0_b_groups[] = { "gpio5" }; 98 static const char * const ext_mclk1_a_groups[] = { "gpio18" }; 99 static const char * const ext_mclk1_b_groups[] = { "gpio9" }; 100 static const char * const ext_mclk1_c_groups[] = { "gpio17" }; 101 static const char * const slim_clk_groups[] = { "gpio14" }; 102 static const char * const slim_data_groups[] = { "gpio15" }; 103 static const char * const i2s1_clk_groups[] = { "gpio6" }; 104 static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; 105 static const char * const i2s1_ws_groups[] = { "gpio7" }; 106 static const char * const i2s2_clk_groups[] = { "gpio10" }; 107 static const char * const i2s2_data_groups[] = { "gpio12", "gpio13" }; 108 static const char * const i2s2_ws_groups[] = { "gpio11" }; 109 static const char * const i2s3_clk_groups[] = { "gpio14" }; 110 static const char * const i2s3_data_groups[] = { "gpio16", "gpio17" }; 111 static const char * const i2s3_ws_groups[] = { "gpio15" }; 112 static const char * const qup_io_00_groups[] = { "gpio19" }; 113 static const char * const qup_io_01_groups[] = { "gpio21" }; 114 static const char * const qup_io_05_groups[] = { "gpio23" }; 115 static const char * const qup_io_10_groups[] = { "gpio20" }; 116 static const char * const qup_io_11_groups[] = { "gpio22" }; 117 static const char * const qup_io_25_groups[] = { "gpio23" }; 118 static const char * const qup_io_21_groups[] = { "gpio25" }; 119 static const char * const qup_io_26_groups[] = { "gpio25" }; 120 static const char * const qup_io_31_groups[] = { "gpio26" }; 121 static const char * const qup_io_36_groups[] = { "gpio26" }; 122 static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" }; 123 static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; 124 static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; 125 static const char * const sync_out_groups[] = { "gpio19", "gpio20", "gpio21", "gpio22", 126 "gpio23", "gpio24", "gpio25", "gpio26"}; 127 static const char * const swr_rx_clk_groups[] = { "gpio3" }; 128 static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; 129 static const char * const swr_tx_clk_groups[] = { "gpio0" }; 130 static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2" }; 131 static const char * const swr_wsa_clk_groups[] = { "gpio10" }; 132 static const char * const swr_wsa_data_groups[] = { "gpio11" }; 133 134 135 static const struct lpi_pingroup sm4250_groups[] = { 136 LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), 137 LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), 138 LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), 139 LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), 140 LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), 141 LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk0_b, qua_mi2s_data, _), 142 LPI_PINGROUP(6, LPI_NO_SLEW, dmic01_clk, i2s1_clk, _, _), 143 LPI_PINGROUP(7, LPI_NO_SLEW, dmic01_data, i2s1_ws, _, _), 144 LPI_PINGROUP(8, LPI_NO_SLEW, dmic23_clk, i2s1_data, _, _), 145 LPI_PINGROUP(9, LPI_NO_SLEW, dmic23_data, i2s1_data, ext_mclk1_b, _), 146 LPI_PINGROUP(10, 16, i2s2_clk, swr_wsa_clk, dmic4_clk, _), 147 LPI_PINGROUP(11, 18, i2s2_ws, swr_wsa_data, dmic4_data, _), 148 LPI_PINGROUP(12, LPI_NO_SLEW, dmic23_clk, i2s2_data, _, _), 149 LPI_PINGROUP(13, LPI_NO_SLEW, dmic23_data, i2s2_data, ext_mclk0_a, _), 150 LPI_PINGROUP(14, LPI_NO_SLEW, i2s3_clk, slim_clk, _, _), 151 LPI_PINGROUP(15, LPI_NO_SLEW, i2s3_ws, slim_data, _, _), 152 LPI_PINGROUP(16, LPI_NO_SLEW, i2s3_data, _, _, _), 153 LPI_PINGROUP(17, LPI_NO_SLEW, i2s3_data, ext_mclk1_c, _, _), 154 LPI_PINGROUP(18, 20, ext_mclk1_a, swr_rx_data, _, _), 155 LPI_PINGROUP(19, LPI_NO_SLEW, qup_io_00, sync_out, _, _), 156 LPI_PINGROUP(20, LPI_NO_SLEW, qup_io_10, sync_out, _, _), 157 LPI_PINGROUP(21, LPI_NO_SLEW, qup_io_01, sync_out, _, _), 158 LPI_PINGROUP(22, LPI_NO_SLEW, qup_io_11, sync_out, _, _), 159 LPI_PINGROUP(23, LPI_NO_SLEW, qup_io_25, qup_io_05, sync_out, _), 160 LPI_PINGROUP(25, LPI_NO_SLEW, qup_io_26, qup_io_21, sync_out, _), 161 LPI_PINGROUP(26, LPI_NO_SLEW, qup_io_36, qup_io_31, sync_out, _), 162 }; 163 164 static const struct lpi_function sm4250_functions[] = { 165 LPI_FUNCTION(dmic01_clk), 166 LPI_FUNCTION(dmic01_data), 167 LPI_FUNCTION(dmic23_clk), 168 LPI_FUNCTION(dmic23_data), 169 LPI_FUNCTION(dmic4_clk), 170 LPI_FUNCTION(dmic4_data), 171 LPI_FUNCTION(ext_mclk0_a), 172 LPI_FUNCTION(ext_mclk0_b), 173 LPI_FUNCTION(ext_mclk1_a), 174 LPI_FUNCTION(ext_mclk1_b), 175 LPI_FUNCTION(ext_mclk1_c), 176 LPI_FUNCTION(i2s1_clk), 177 LPI_FUNCTION(i2s1_data), 178 LPI_FUNCTION(i2s1_ws), 179 LPI_FUNCTION(i2s2_clk), 180 LPI_FUNCTION(i2s2_data), 181 LPI_FUNCTION(i2s2_ws), 182 LPI_FUNCTION(i2s3_clk), 183 LPI_FUNCTION(i2s3_data), 184 LPI_FUNCTION(i2s3_ws), 185 LPI_FUNCTION(qup_io_00), 186 LPI_FUNCTION(qup_io_01), 187 LPI_FUNCTION(qup_io_05), 188 LPI_FUNCTION(qup_io_10), 189 LPI_FUNCTION(qup_io_11), 190 LPI_FUNCTION(qup_io_25), 191 LPI_FUNCTION(qup_io_21), 192 LPI_FUNCTION(qup_io_26), 193 LPI_FUNCTION(qup_io_31), 194 LPI_FUNCTION(qup_io_36), 195 LPI_FUNCTION(qua_mi2s_data), 196 LPI_FUNCTION(qua_mi2s_sclk), 197 LPI_FUNCTION(qua_mi2s_ws), 198 LPI_FUNCTION(slim_clk), 199 LPI_FUNCTION(slim_data), 200 LPI_FUNCTION(sync_out), 201 LPI_FUNCTION(swr_rx_clk), 202 LPI_FUNCTION(swr_rx_data), 203 LPI_FUNCTION(swr_tx_clk), 204 LPI_FUNCTION(swr_tx_data), 205 LPI_FUNCTION(swr_wsa_clk), 206 LPI_FUNCTION(swr_wsa_data), 207 }; 208 209 static const struct lpi_pinctrl_variant_data sm4250_lpi_data = { 210 .pins = sm4250_lpi_pins, 211 .npins = ARRAY_SIZE(sm4250_lpi_pins), 212 .groups = sm4250_groups, 213 .ngroups = ARRAY_SIZE(sm4250_groups), 214 .functions = sm4250_functions, 215 .nfunctions = ARRAY_SIZE(sm4250_functions), 216 }; 217 218 static const struct of_device_id lpi_pinctrl_of_match[] = { 219 { .compatible = "qcom,sm4250-lpass-lpi-pinctrl", .data = &sm4250_lpi_data }, 220 { } 221 }; 222 MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); 223 224 static struct platform_driver lpi_pinctrl_driver = { 225 .driver = { 226 .name = "qcom-sm4250-lpass-lpi-pinctrl", 227 .of_match_table = lpi_pinctrl_of_match, 228 }, 229 .probe = lpi_pinctrl_probe, 230 .remove = lpi_pinctrl_remove, 231 }; 232 233 module_platform_driver(lpi_pinctrl_driver); 234 MODULE_DESCRIPTION("QTI SM4250 LPI GPIO pin control driver"); 235 MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>"); 236 MODULE_LICENSE("GPL"); 237