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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.4 * ALSA SoC platform-machine driver for QTi LPASS5 */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_dmic1_clk,15 LPI_MUX_dmic1_data,16 LPI_MUX_dmic2_clk,17 LPI_MUX_dmic2_data,18 LPI_MUX_dmic3_clk,19 LPI_MUX_dmic3_data,20 LPI_MUX_i2s1_clk,21 LPI_MUX_i2s1_data,22 LPI_MUX_i2s1_ws,23 LPI_MUX_i2s2_clk,24 LPI_MUX_i2s2_data,25 LPI_MUX_i2s2_ws,26 LPI_MUX_qua_mi2s_data,27 LPI_MUX_qua_mi2s_sclk,28 LPI_MUX_qua_mi2s_ws,29 LPI_MUX_swr_rx_clk,30 LPI_MUX_swr_rx_data,31 LPI_MUX_swr_tx_clk,32 LPI_MUX_swr_tx_data,33 LPI_MUX_wsa_swr_clk,34 LPI_MUX_wsa_swr_data,35 LPI_MUX_gpio,36 LPI_MUX__,37};38 39static const struct pinctrl_pin_desc sc7280_lpi_pins[] = {40 PINCTRL_PIN(0, "gpio0"),41 PINCTRL_PIN(1, "gpio1"),42 PINCTRL_PIN(2, "gpio2"),43 PINCTRL_PIN(3, "gpio3"),44 PINCTRL_PIN(4, "gpio4"),45 PINCTRL_PIN(5, "gpio5"),46 PINCTRL_PIN(6, "gpio6"),47 PINCTRL_PIN(7, "gpio7"),48 PINCTRL_PIN(8, "gpio8"),49 PINCTRL_PIN(9, "gpio9"),50 PINCTRL_PIN(10, "gpio10"),51 PINCTRL_PIN(11, "gpio11"),52 PINCTRL_PIN(12, "gpio12"),53 PINCTRL_PIN(13, "gpio13"),54 PINCTRL_PIN(14, "gpio14"),55};56 57static const char * const swr_tx_clk_groups[] = { "gpio0" };58static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };59static const char * const swr_rx_clk_groups[] = { "gpio3" };60static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };61static const char * const dmic1_clk_groups[] = { "gpio6" };62static const char * const dmic1_data_groups[] = { "gpio7" };63static const char * const dmic2_clk_groups[] = { "gpio8" };64static const char * const dmic2_data_groups[] = { "gpio9" };65static const char * const i2s2_clk_groups[] = { "gpio10" };66static const char * const i2s2_ws_groups[] = { "gpio11" };67static const char * const dmic3_clk_groups[] = { "gpio12" };68static const char * const dmic3_data_groups[] = { "gpio13" };69static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };70static const char * const qua_mi2s_ws_groups[] = { "gpio1" };71static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" };72static const char * const i2s1_clk_groups[] = { "gpio6" };73static const char * const i2s1_ws_groups[] = { "gpio7" };74static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };75static const char * const wsa_swr_clk_groups[] = { "gpio10" };76static const char * const wsa_swr_data_groups[] = { "gpio11" };77static const char * const i2s2_data_groups[] = { "gpio12", "gpio13" };78 79static const struct lpi_pingroup sc7280_groups[] = {80 LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),81 LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),82 LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),83 LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),84 LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),85 LPI_PINGROUP(5, 12, swr_rx_data, _, _, _),86 LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _),87 LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),88 LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),89 LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _),90 LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),91 LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),92 LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _),93 LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _),94 LPI_PINGROUP(14, 6, swr_tx_data, _, _, _),95};96 97static const struct lpi_function sc7280_functions[] = {98 LPI_FUNCTION(dmic1_clk),99 LPI_FUNCTION(dmic1_data),100 LPI_FUNCTION(dmic2_clk),101 LPI_FUNCTION(dmic2_data),102 LPI_FUNCTION(dmic3_clk),103 LPI_FUNCTION(dmic3_data),104 LPI_FUNCTION(i2s1_clk),105 LPI_FUNCTION(i2s1_data),106 LPI_FUNCTION(i2s1_ws),107 LPI_FUNCTION(i2s2_clk),108 LPI_FUNCTION(i2s2_data),109 LPI_FUNCTION(i2s2_ws),110 LPI_FUNCTION(qua_mi2s_data),111 LPI_FUNCTION(qua_mi2s_sclk),112 LPI_FUNCTION(qua_mi2s_ws),113 LPI_FUNCTION(swr_rx_clk),114 LPI_FUNCTION(swr_rx_data),115 LPI_FUNCTION(swr_tx_clk),116 LPI_FUNCTION(swr_tx_data),117 LPI_FUNCTION(wsa_swr_clk),118 LPI_FUNCTION(wsa_swr_data),119};120 121static const struct lpi_pinctrl_variant_data sc7280_lpi_data = {122 .pins = sc7280_lpi_pins,123 .npins = ARRAY_SIZE(sc7280_lpi_pins),124 .groups = sc7280_groups,125 .ngroups = ARRAY_SIZE(sc7280_groups),126 .functions = sc7280_functions,127 .nfunctions = ARRAY_SIZE(sc7280_functions),128};129 130static const struct of_device_id lpi_pinctrl_of_match[] = {131 {132 .compatible = "qcom,sc7280-lpass-lpi-pinctrl",133 .data = &sc7280_lpi_data,134 },135 { }136};137MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);138 139static struct platform_driver lpi_pinctrl_driver = {140 .driver = {141 .name = "qcom-sc7280-lpass-lpi-pinctrl",142 .of_match_table = lpi_pinctrl_of_match,143 },144 .probe = lpi_pinctrl_probe,145 .remove_new = lpi_pinctrl_remove,146};147 148module_platform_driver(lpi_pinctrl_driver);149MODULE_DESCRIPTION("QTI SC7280 LPI GPIO pin control driver");150MODULE_LICENSE("GPL");151