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1// SPDX-License-Identifier: GPL-2.0-only2/*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 const struct pinctrl_pin_desc sc8280xp_lpi_pins[] = {49 PINCTRL_PIN(0, "gpio0"),50 PINCTRL_PIN(1, "gpio1"),51 PINCTRL_PIN(2, "gpio2"),52 PINCTRL_PIN(3, "gpio3"),53 PINCTRL_PIN(4, "gpio4"),54 PINCTRL_PIN(5, "gpio5"),55 PINCTRL_PIN(6, "gpio6"),56 PINCTRL_PIN(7, "gpio7"),57 PINCTRL_PIN(8, "gpio8"),58 PINCTRL_PIN(9, "gpio9"),59 PINCTRL_PIN(10, "gpio10"),60 PINCTRL_PIN(11, "gpio11"),61 PINCTRL_PIN(12, "gpio12"),62 PINCTRL_PIN(13, "gpio13"),63 PINCTRL_PIN(14, "gpio14"),64 PINCTRL_PIN(15, "gpio15"),65 PINCTRL_PIN(16, "gpio16"),66 PINCTRL_PIN(17, "gpio17"),67 PINCTRL_PIN(18, "gpio18"),68};69 70static const char * const swr_tx_clk_groups[] = { "gpio0" };71static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };72static const char * const swr_rx_clk_groups[] = { "gpio3" };73static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };74static const char * const dmic1_clk_groups[] = { "gpio6" };75static const char * const dmic1_data_groups[] = { "gpio7" };76static const char * const dmic2_clk_groups[] = { "gpio8" };77static const char * const dmic2_data_groups[] = { "gpio9" };78static const char * const dmic4_clk_groups[] = { "gpio17" };79static const char * const dmic4_data_groups[] = { "gpio18" };80static const char * const i2s2_clk_groups[] = { "gpio10" };81static const char * const i2s2_ws_groups[] = { "gpio11" };82static const char * const dmic3_clk_groups[] = { "gpio12" };83static const char * const dmic3_data_groups[] = { "gpio13" };84static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };85static const char * const qua_mi2s_ws_groups[] = { "gpio1" };86static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };87static const char * const i2s1_clk_groups[] = { "gpio6" };88static const char * const i2s1_ws_groups[] = { "gpio7" };89static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };90static const char * const wsa_swr_clk_groups[] = { "gpio10" };91static const char * const wsa_swr_data_groups[] = { "gpio11" };92static const char * const wsa2_swr_clk_groups[] = { "gpio15" };93static const char * const wsa2_swr_data_groups[] = { "gpio16" };94static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" };95static const char * const i2s3_clk_groups[] = { "gpio12"};96static const char * const i2s3_ws_groups[] = { "gpio13"};97static const char * const i2s3_data_groups[] = { "gpio17", "gpio18"};98static const char * const ext_mclk1_c_groups[] = { "gpio5" };99static const char * const ext_mclk1_b_groups[] = { "gpio9" };100static const char * const ext_mclk1_a_groups[] = { "gpio13" };101 102static const struct lpi_pingroup sc8280xp_groups[] = {103 LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),104 LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),105 LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),106 LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),107 LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),108 LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk1_c, qua_mi2s_data, _),109 LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _),110 LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),111 LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),112 LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _),113 LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),114 LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),115 LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s3_clk, _, _),116 LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s3_ws, ext_mclk1_a, _),117 LPI_PINGROUP(14, 6, swr_tx_data, _, _, _),118 LPI_PINGROUP(15, 20, i2s2_data, wsa2_swr_clk, _, _),119 LPI_PINGROUP(16, 22, i2s2_data, wsa2_swr_data, _, _),120 LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s3_data, _, _),121 LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s3_data, _, _),122};123 124static const struct lpi_function sc8280xp_functions[] = {125 LPI_FUNCTION(dmic1_clk),126 LPI_FUNCTION(dmic1_data),127 LPI_FUNCTION(dmic2_clk),128 LPI_FUNCTION(dmic2_data),129 LPI_FUNCTION(dmic3_clk),130 LPI_FUNCTION(dmic3_data),131 LPI_FUNCTION(dmic4_clk),132 LPI_FUNCTION(dmic4_data),133 LPI_FUNCTION(i2s1_clk),134 LPI_FUNCTION(i2s1_data),135 LPI_FUNCTION(i2s1_ws),136 LPI_FUNCTION(i2s2_clk),137 LPI_FUNCTION(i2s2_data),138 LPI_FUNCTION(i2s2_ws),139 LPI_FUNCTION(i2s3_clk),140 LPI_FUNCTION(i2s3_data),141 LPI_FUNCTION(i2s3_ws),142 LPI_FUNCTION(qua_mi2s_data),143 LPI_FUNCTION(qua_mi2s_sclk),144 LPI_FUNCTION(qua_mi2s_ws),145 LPI_FUNCTION(swr_rx_clk),146 LPI_FUNCTION(swr_rx_data),147 LPI_FUNCTION(swr_tx_clk),148 LPI_FUNCTION(swr_tx_data),149 LPI_FUNCTION(wsa_swr_clk),150 LPI_FUNCTION(wsa_swr_data),151 LPI_FUNCTION(wsa2_swr_clk),152 LPI_FUNCTION(wsa2_swr_data),153 LPI_FUNCTION(ext_mclk1_a),154 LPI_FUNCTION(ext_mclk1_b),155 LPI_FUNCTION(ext_mclk1_c),156};157 158static const struct lpi_pinctrl_variant_data sc8280xp_lpi_data = {159 .pins = sc8280xp_lpi_pins,160 .npins = ARRAY_SIZE(sc8280xp_lpi_pins),161 .groups = sc8280xp_groups,162 .ngroups = ARRAY_SIZE(sc8280xp_groups),163 .functions = sc8280xp_functions,164 .nfunctions = ARRAY_SIZE(sc8280xp_functions),165};166 167static const struct of_device_id lpi_pinctrl_of_match[] = {168 {169 .compatible = "qcom,sc8280xp-lpass-lpi-pinctrl",170 .data = &sc8280xp_lpi_data,171 },172 { }173};174MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);175 176static struct platform_driver lpi_pinctrl_driver = {177 .driver = {178 .name = "qcom-sc8280xp-lpass-lpi-pinctrl",179 .of_match_table = lpi_pinctrl_of_match,180 },181 .probe = lpi_pinctrl_probe,182 .remove_new = lpi_pinctrl_remove,183};184 185module_platform_driver(lpi_pinctrl_driver);186MODULE_DESCRIPTION("QTI SC8280XP LPI GPIO pin control driver");187MODULE_LICENSE("GPL");188