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 int gpio0_pins[] = { 0 }; 56 static int gpio1_pins[] = { 1 }; 57 static int gpio2_pins[] = { 2 }; 58 static int gpio3_pins[] = { 3 }; 59 static int gpio4_pins[] = { 4 }; 60 static int gpio5_pins[] = { 5 }; 61 static int gpio6_pins[] = { 6 }; 62 static int gpio7_pins[] = { 7 }; 63 static int gpio8_pins[] = { 8 }; 64 static int gpio9_pins[] = { 9 }; 65 static int gpio10_pins[] = { 10 }; 66 static int gpio11_pins[] = { 11 }; 67 static int gpio12_pins[] = { 12 }; 68 static int gpio13_pins[] = { 13 }; 69 static int gpio14_pins[] = { 14 }; 70 static int gpio15_pins[] = { 15 }; 71 static int gpio16_pins[] = { 16 }; 72 static int gpio17_pins[] = { 17 }; 73 static int gpio18_pins[] = { 18 }; 74 static int gpio19_pins[] = { 19 }; 75 static int gpio20_pins[] = { 20 }; 76 static int gpio21_pins[] = { 21 }; 77 static int gpio22_pins[] = { 22 }; 78 79 static const struct pinctrl_pin_desc sm8550_lpi_pins[] = { 80 PINCTRL_PIN(0, "gpio0"), 81 PINCTRL_PIN(1, "gpio1"), 82 PINCTRL_PIN(2, "gpio2"), 83 PINCTRL_PIN(3, "gpio3"), 84 PINCTRL_PIN(4, "gpio4"), 85 PINCTRL_PIN(5, "gpio5"), 86 PINCTRL_PIN(6, "gpio6"), 87 PINCTRL_PIN(7, "gpio7"), 88 PINCTRL_PIN(8, "gpio8"), 89 PINCTRL_PIN(9, "gpio9"), 90 PINCTRL_PIN(10, "gpio10"), 91 PINCTRL_PIN(11, "gpio11"), 92 PINCTRL_PIN(12, "gpio12"), 93 PINCTRL_PIN(13, "gpio13"), 94 PINCTRL_PIN(14, "gpio14"), 95 PINCTRL_PIN(15, "gpio15"), 96 PINCTRL_PIN(16, "gpio16"), 97 PINCTRL_PIN(17, "gpio17"), 98 PINCTRL_PIN(18, "gpio18"), 99 PINCTRL_PIN(19, "gpio19"), 100 PINCTRL_PIN(20, "gpio20"), 101 PINCTRL_PIN(21, "gpio21"), 102 PINCTRL_PIN(22, "gpio22"), 103 }; 104 105 static const char * const gpio_groups[] = { 106 "gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7", 107 "gpio8", "gpio9", "gpio10", "gpio11", "gpio12", "gpio13", "gpio14", 108 "gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21", 109 "gpio22", 110 }; 111 112 static const char * const dmic1_clk_groups[] = { "gpio6" }; 113 static const char * const dmic1_data_groups[] = { "gpio7" }; 114 static const char * const dmic2_clk_groups[] = { "gpio8" }; 115 static const char * const dmic2_data_groups[] = { "gpio9" }; 116 static const char * const dmic3_clk_groups[] = { "gpio12" }; 117 static const char * const dmic3_data_groups[] = { "gpio13" }; 118 static const char * const dmic4_clk_groups[] = { "gpio17" }; 119 static const char * const dmic4_data_groups[] = { "gpio18" }; 120 static const char * const i2s0_clk_groups[] = { "gpio0" }; 121 static const char * const i2s0_ws_groups[] = { "gpio1" }; 122 static const char * const i2s0_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" }; 123 static const char * const i2s1_clk_groups[] = { "gpio6" }; 124 static const char * const i2s1_ws_groups[] = { "gpio7" }; 125 static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; 126 static const char * const i2s2_clk_groups[] = { "gpio10" }; 127 static const char * const i2s2_ws_groups[] = { "gpio11" }; 128 static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" }; 129 static const char * const i2s3_clk_groups[] = { "gpio12" }; 130 static const char * const i2s3_ws_groups[] = { "gpio13" }; 131 static const char * const i2s3_data_groups[] = { "gpio17", "gpio18" }; 132 static const char * const i2s4_clk_groups[] = { "gpio19"}; 133 static const char * const i2s4_ws_groups[] = { "gpio20"}; 134 static const char * const i2s4_data_groups[] = { "gpio21", "gpio22"}; 135 static const char * const slimbus_clk_groups[] = { "gpio19"}; 136 static const char * const slimbus_data_groups[] = { "gpio20"}; 137 static const char * const swr_tx_clk_groups[] = { "gpio0" }; 138 static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" }; 139 static const char * const swr_rx_clk_groups[] = { "gpio3" }; 140 static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5", "gpio15" }; 141 static const char * const wsa_swr_clk_groups[] = { "gpio10" }; 142 static const char * const wsa_swr_data_groups[] = { "gpio11" }; 143 static const char * const wsa2_swr_clk_groups[] = { "gpio15" }; 144 static const char * const wsa2_swr_data_groups[] = { "gpio16" }; 145 static const char * const ext_mclk1_c_groups[] = { "gpio5" }; 146 static const char * const ext_mclk1_b_groups[] = { "gpio9" }; 147 static const char * const ext_mclk1_a_groups[] = { "gpio13" }; 148 static const char * const ext_mclk1_d_groups[] = { "gpio14" }; 149 static const char * const ext_mclk1_e_groups[] = { "gpio22" }; 150 151 static const struct lpi_pingroup sm8550_groups[] = { 152 LPI_PINGROUP(0, 0, swr_tx_clk, i2s0_clk, _, _), 153 LPI_PINGROUP(1, 2, swr_tx_data, i2s0_ws, _, _), 154 LPI_PINGROUP(2, 4, swr_tx_data, i2s0_data, _, _), 155 LPI_PINGROUP(3, 8, swr_rx_clk, i2s0_data, _, _), 156 LPI_PINGROUP(4, 10, swr_rx_data, i2s0_data, _, _), 157 LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk1_c, i2s0_data, _), 158 LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _), 159 LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _), 160 LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _), 161 LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _), 162 LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _), 163 LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _), 164 LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s3_clk, _, _), 165 LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s3_ws, ext_mclk1_a, _), 166 LPI_PINGROUP(14, 6, swr_tx_data, ext_mclk1_d, _, _), 167 LPI_PINGROUP(15, 20, i2s2_data, wsa2_swr_clk, _, _), 168 LPI_PINGROUP(16, 22, i2s2_data, wsa2_swr_data, _, _), 169 LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s3_data, _, _), 170 LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s3_data, _, _), 171 LPI_PINGROUP(19, LPI_NO_SLEW, i2s4_clk, slimbus_clk, _, _), 172 LPI_PINGROUP(20, LPI_NO_SLEW, i2s4_ws, slimbus_data, _, _), 173 LPI_PINGROUP(21, LPI_NO_SLEW, i2s4_data, _, _, _), 174 LPI_PINGROUP(22, LPI_NO_SLEW, i2s4_data, ext_mclk1_e, _, _), 175 }; 176 177 static const struct lpi_function sm8550_functions[] = { 178 LPI_FUNCTION(gpio), 179 LPI_FUNCTION(dmic1_clk), 180 LPI_FUNCTION(dmic1_data), 181 LPI_FUNCTION(dmic2_clk), 182 LPI_FUNCTION(dmic2_data), 183 LPI_FUNCTION(dmic3_clk), 184 LPI_FUNCTION(dmic3_data), 185 LPI_FUNCTION(dmic4_clk), 186 LPI_FUNCTION(dmic4_data), 187 LPI_FUNCTION(i2s0_clk), 188 LPI_FUNCTION(i2s0_data), 189 LPI_FUNCTION(i2s0_ws), 190 LPI_FUNCTION(i2s1_clk), 191 LPI_FUNCTION(i2s1_data), 192 LPI_FUNCTION(i2s1_ws), 193 LPI_FUNCTION(i2s2_clk), 194 LPI_FUNCTION(i2s2_data), 195 LPI_FUNCTION(i2s2_ws), 196 LPI_FUNCTION(i2s3_clk), 197 LPI_FUNCTION(i2s3_data), 198 LPI_FUNCTION(i2s3_ws), 199 LPI_FUNCTION(i2s4_clk), 200 LPI_FUNCTION(i2s4_data), 201 LPI_FUNCTION(i2s4_ws), 202 LPI_FUNCTION(slimbus_clk), 203 LPI_FUNCTION(slimbus_data), 204 LPI_FUNCTION(swr_rx_clk), 205 LPI_FUNCTION(swr_rx_data), 206 LPI_FUNCTION(swr_tx_clk), 207 LPI_FUNCTION(swr_tx_data), 208 LPI_FUNCTION(wsa_swr_clk), 209 LPI_FUNCTION(wsa_swr_data), 210 LPI_FUNCTION(wsa2_swr_clk), 211 LPI_FUNCTION(wsa2_swr_data), 212 LPI_FUNCTION(ext_mclk1_a), 213 LPI_FUNCTION(ext_mclk1_b), 214 LPI_FUNCTION(ext_mclk1_c), 215 LPI_FUNCTION(ext_mclk1_d), 216 LPI_FUNCTION(ext_mclk1_e), 217 }; 218 219 static const struct lpi_pinctrl_variant_data sm8550_lpi_data = { 220 .pins = sm8550_lpi_pins, 221 .npins = ARRAY_SIZE(sm8550_lpi_pins), 222 .groups = sm8550_groups, 223 .ngroups = ARRAY_SIZE(sm8550_groups), 224 .functions = sm8550_functions, 225 .nfunctions = ARRAY_SIZE(sm8550_functions), 226 }; 227 228 static const struct of_device_id lpi_pinctrl_of_match[] = { 229 { 230 .compatible = "qcom,sm8550-lpass-lpi-pinctrl", 231 .data = &sm8550_lpi_data, 232 }, 233 { } 234 }; 235 MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); 236 237 static struct platform_driver lpi_pinctrl_driver = { 238 .driver = { 239 .name = "qcom-sm8550-lpass-lpi-pinctrl", 240 .of_match_table = lpi_pinctrl_of_match, 241 }, 242 .probe = lpi_pinctrl_probe, 243 .remove = lpi_pinctrl_remove, 244 }; 245 246 module_platform_driver(lpi_pinctrl_driver); 247 MODULE_DESCRIPTION("Qualcomm SM8550 LPI GPIO pin control driver"); 248 MODULE_LICENSE("GPL"); 249