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 12enum 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 48static int gpio0_pins[] = { 0 }; 49static int gpio1_pins[] = { 1 }; 50static int gpio2_pins[] = { 2 }; 51static int gpio3_pins[] = { 3 }; 52static int gpio4_pins[] = { 4 }; 53static int gpio5_pins[] = { 5 }; 54static int gpio6_pins[] = { 6 }; 55static int gpio7_pins[] = { 7 }; 56static int gpio8_pins[] = { 8 }; 57static int gpio9_pins[] = { 9 }; 58static int gpio10_pins[] = { 10 }; 59static int gpio11_pins[] = { 11 }; 60static int gpio12_pins[] = { 12 }; 61static int gpio13_pins[] = { 13 }; 62static int gpio14_pins[] = { 14 }; 63static int gpio15_pins[] = { 15 }; 64static int gpio16_pins[] = { 16 }; 65static int gpio17_pins[] = { 17 }; 66static int gpio18_pins[] = { 18 }; 67 68static 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"), 88}; 89 90static const char * const swr_tx_clk_groups[] = { "gpio0" }; 91static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" }; 92static const char * const swr_rx_clk_groups[] = { "gpio3" }; 93static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; 94static const char * const dmic1_clk_groups[] = { "gpio6" }; 95static const char * const dmic1_data_groups[] = { "gpio7" }; 96static const char * const dmic2_clk_groups[] = { "gpio8" }; 97static const char * const dmic2_data_groups[] = { "gpio9" }; 98static const char * const dmic4_clk_groups[] = { "gpio17" }; 99static const char * const dmic4_data_groups[] = { "gpio18" }; 100static const char * const i2s2_clk_groups[] = { "gpio10" }; 101static const char * const i2s2_ws_groups[] = { "gpio11" }; 102static const char * const dmic3_clk_groups[] = { "gpio12" }; 103static const char * const dmic3_data_groups[] = { "gpio13" }; 104static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; 105static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; 106static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" }; 107static const char * const i2s1_clk_groups[] = { "gpio6" }; 108static const char * const i2s1_ws_groups[] = { "gpio7" }; 109static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; 110static const char * const wsa_swr_clk_groups[] = { "gpio10" }; 111static const char * const wsa_swr_data_groups[] = { "gpio11" }; 112static const char * const wsa2_swr_clk_groups[] = { "gpio15" }; 113static const char * const wsa2_swr_data_groups[] = { "gpio16" }; 114static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" }; 115static const char * const i2s3_clk_groups[] = { "gpio12"}; 116static const char * const i2s3_ws_groups[] = { "gpio13"}; 117static const char * const i2s3_data_groups[] = { "gpio17", "gpio18"}; 118static const char * const ext_mclk1_c_groups[] = { "gpio5" }; 119static const char * const ext_mclk1_b_groups[] = { "gpio9" }; 120static const char * const ext_mclk1_a_groups[] = { "gpio13" }; 121 122static 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, _, _), 142}; 143 144static 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), 176}; 177 178static 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), 185}; 186 187static const struct of_device_id lpi_pinctrl_of_match[] = { 188 { 189 .compatible = "qcom,sc8280xp-lpass-lpi-pinctrl", 190 .data = &sc8280xp_lpi_data, 191 }, 192 { } 193}; 194MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); 195 196static struct platform_driver lpi_pinctrl_driver = { 197 .driver = { 198 .name = "qcom-sc8280xp-lpass-lpi-pinctrl", 199 .of_match_table = lpi_pinctrl_of_match, 200 }, 201 .probe = lpi_pinctrl_probe, 202 .remove = lpi_pinctrl_remove, 203}; 204 205module_platform_driver(lpi_pinctrl_driver); 206MODULE_DESCRIPTION("QTI SC8280XP LPI GPIO pin control driver"); 207MODULE_LICENSE("GPL"); 208