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 13enum 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_i2s1_clk, 19 LPI_MUX_i2s1_data, 20 LPI_MUX_i2s1_ws, 21 LPI_MUX_i2s2_clk, 22 LPI_MUX_i2s2_data, 23 LPI_MUX_i2s2_ws, 24 LPI_MUX_i2s3_clk, 25 LPI_MUX_i2s3_data, 26 LPI_MUX_i2s3_ws, 27 LPI_MUX_qua_mi2s_data, 28 LPI_MUX_qua_mi2s_sclk, 29 LPI_MUX_qua_mi2s_ws, 30 LPI_MUX_swr_rx_clk, 31 LPI_MUX_swr_rx_data, 32 LPI_MUX_swr_tx_clk, 33 LPI_MUX_swr_tx_data, 34 LPI_MUX_wsa_mclk, 35 LPI_MUX_gpio, 36 LPI_MUX__, 37}; 38 39static int gpio0_pins[] = { 0 }; 40static int gpio1_pins[] = { 1 }; 41static int gpio2_pins[] = { 2 }; 42static int gpio3_pins[] = { 3 }; 43static int gpio4_pins[] = { 4 }; 44static int gpio5_pins[] = { 5 }; 45static int gpio6_pins[] = { 6 }; 46static int gpio7_pins[] = { 7 }; 47static int gpio8_pins[] = { 8 }; 48static int gpio9_pins[] = { 9 }; 49static int gpio10_pins[] = { 10 }; 50static int gpio11_pins[] = { 11 }; 51static int gpio12_pins[] = { 12 }; 52static int gpio13_pins[] = { 13 }; 53static int gpio14_pins[] = { 14 }; 54static int gpio15_pins[] = { 15 }; 55static int gpio16_pins[] = { 16 }; 56static int gpio17_pins[] = { 17 }; 57static int gpio18_pins[] = { 18 }; 58 59static const struct pinctrl_pin_desc sm6115_lpi_pins[] = { 60 PINCTRL_PIN(0, "gpio0"), 61 PINCTRL_PIN(1, "gpio1"), 62 PINCTRL_PIN(2, "gpio2"), 63 PINCTRL_PIN(3, "gpio3"), 64 PINCTRL_PIN(4, "gpio4"), 65 PINCTRL_PIN(5, "gpio5"), 66 PINCTRL_PIN(6, "gpio6"), 67 PINCTRL_PIN(7, "gpio7"), 68 PINCTRL_PIN(8, "gpio8"), 69 PINCTRL_PIN(9, "gpio9"), 70 PINCTRL_PIN(10, "gpio10"), 71 PINCTRL_PIN(11, "gpio11"), 72 PINCTRL_PIN(12, "gpio12"), 73 PINCTRL_PIN(13, "gpio13"), 74 PINCTRL_PIN(14, "gpio14"), 75 PINCTRL_PIN(15, "gpio15"), 76 PINCTRL_PIN(16, "gpio16"), 77 PINCTRL_PIN(17, "gpio17"), 78 PINCTRL_PIN(18, "gpio18"), 79}; 80 81static const char * const dmic01_clk_groups[] = { "gpio6" }; 82static const char * const dmic01_data_groups[] = { "gpio7" }; 83static const char * const dmic23_clk_groups[] = { "gpio8" }; 84static const char * const dmic23_data_groups[] = { "gpio9" }; 85static const char * const i2s1_clk_groups[] = { "gpio6" }; 86static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; 87static const char * const i2s1_ws_groups[] = { "gpio7" }; 88static const char * const i2s2_clk_groups[] = { "gpio10" }; 89static const char * const i2s2_data_groups[] = { "gpio12", "gpio13" }; 90static const char * const i2s2_ws_groups[] = { "gpio11" }; 91static const char * const i2s3_clk_groups[] = { "gpio14" }; 92static const char * const i2s3_data_groups[] = { "gpio16", "gpio17" }; 93static const char * const i2s3_ws_groups[] = { "gpio15" }; 94static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" }; 95static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; 96static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; 97static const char * const swr_rx_clk_groups[] = { "gpio3" }; 98static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; 99static const char * const swr_tx_clk_groups[] = { "gpio0" }; 100static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2" }; 101static const char * const wsa_mclk_groups[] = { "gpio18" }; 102 103static const struct lpi_pingroup sm6115_groups[] = { 104 LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), 105 LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), 106 LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), 107 LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), 108 LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), 109 LPI_PINGROUP(5, 12, swr_rx_data, _, qua_mi2s_data, _), 110 LPI_PINGROUP(6, LPI_NO_SLEW, dmic01_clk, i2s1_clk, _, _), 111 LPI_PINGROUP(7, LPI_NO_SLEW, dmic01_data, i2s1_ws, _, _), 112 LPI_PINGROUP(8, LPI_NO_SLEW, dmic23_clk, i2s1_data, _, _), 113 LPI_PINGROUP(9, LPI_NO_SLEW, dmic23_data, i2s1_data, _, _), 114 LPI_PINGROUP(10, LPI_NO_SLEW, i2s2_clk, _, _, _), 115 LPI_PINGROUP(11, LPI_NO_SLEW, i2s2_ws, _, _, _), 116 LPI_PINGROUP(12, LPI_NO_SLEW, _, i2s2_data, _, _), 117 LPI_PINGROUP(13, LPI_NO_SLEW, _, i2s2_data, _, _), 118 LPI_PINGROUP(14, LPI_NO_SLEW, i2s3_clk, _, _, _), 119 LPI_PINGROUP(15, LPI_NO_SLEW, i2s3_ws, _, _, _), 120 LPI_PINGROUP(16, LPI_NO_SLEW, i2s3_data, _, _, _), 121 LPI_PINGROUP(17, LPI_NO_SLEW, i2s3_data, _, _, _), 122 LPI_PINGROUP(18, 14, wsa_mclk, _, _, _), 123}; 124 125static const struct lpi_function sm6115_functions[] = { 126 LPI_FUNCTION(dmic01_clk), 127 LPI_FUNCTION(dmic01_data), 128 LPI_FUNCTION(dmic23_clk), 129 LPI_FUNCTION(dmic23_data), 130 LPI_FUNCTION(i2s1_clk), 131 LPI_FUNCTION(i2s1_data), 132 LPI_FUNCTION(i2s1_ws), 133 LPI_FUNCTION(i2s2_clk), 134 LPI_FUNCTION(i2s2_data), 135 LPI_FUNCTION(i2s2_ws), 136 LPI_FUNCTION(i2s3_clk), 137 LPI_FUNCTION(i2s3_data), 138 LPI_FUNCTION(i2s3_ws), 139 LPI_FUNCTION(qua_mi2s_data), 140 LPI_FUNCTION(qua_mi2s_sclk), 141 LPI_FUNCTION(qua_mi2s_ws), 142 LPI_FUNCTION(swr_rx_clk), 143 LPI_FUNCTION(swr_rx_data), 144 LPI_FUNCTION(swr_tx_clk), 145 LPI_FUNCTION(swr_tx_data), 146 LPI_FUNCTION(wsa_mclk), 147}; 148 149static const struct lpi_pinctrl_variant_data sm6115_lpi_data = { 150 .pins = sm6115_lpi_pins, 151 .npins = ARRAY_SIZE(sm6115_lpi_pins), 152 .groups = sm6115_groups, 153 .ngroups = ARRAY_SIZE(sm6115_groups), 154 .functions = sm6115_functions, 155 .nfunctions = ARRAY_SIZE(sm6115_functions), 156}; 157 158static const struct of_device_id lpi_pinctrl_of_match[] = { 159 { .compatible = "qcom,sm6115-lpass-lpi-pinctrl", .data = &sm6115_lpi_data }, 160 { } 161}; 162MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); 163 164static struct platform_driver lpi_pinctrl_driver = { 165 .driver = { 166 .name = "qcom-sm6115-lpass-lpi-pinctrl", 167 .of_match_table = lpi_pinctrl_of_match, 168 }, 169 .probe = lpi_pinctrl_probe, 170 .remove = lpi_pinctrl_remove, 171}; 172 173module_platform_driver(lpi_pinctrl_driver); 174MODULE_DESCRIPTION("QTI SM6115 LPI GPIO pin control driver"); 175MODULE_LICENSE("GPL"); 176