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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_i2s4_clk,31 LPI_MUX_i2s4_data,32 LPI_MUX_i2s4_ws,33 LPI_MUX_qua_mi2s_data,34 LPI_MUX_qua_mi2s_sclk,35 LPI_MUX_qua_mi2s_ws,36 LPI_MUX_swr_rx_clk,37 LPI_MUX_swr_rx_data,38 LPI_MUX_swr_tx_clk,39 LPI_MUX_swr_tx_data,40 LPI_MUX_wsa_swr_clk,41 LPI_MUX_wsa_swr_data,42 LPI_MUX_wsa2_swr_clk,43 LPI_MUX_wsa2_swr_data,44 LPI_MUX_slimbus_clk,45 LPI_MUX_slimbus_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 55static const struct pinctrl_pin_desc sm8450_lpi_pins[] = {56 PINCTRL_PIN(0, "gpio0"),57 PINCTRL_PIN(1, "gpio1"),58 PINCTRL_PIN(2, "gpio2"),59 PINCTRL_PIN(3, "gpio3"),60 PINCTRL_PIN(4, "gpio4"),61 PINCTRL_PIN(5, "gpio5"),62 PINCTRL_PIN(6, "gpio6"),63 PINCTRL_PIN(7, "gpio7"),64 PINCTRL_PIN(8, "gpio8"),65 PINCTRL_PIN(9, "gpio9"),66 PINCTRL_PIN(10, "gpio10"),67 PINCTRL_PIN(11, "gpio11"),68 PINCTRL_PIN(12, "gpio12"),69 PINCTRL_PIN(13, "gpio13"),70 PINCTRL_PIN(14, "gpio14"),71 PINCTRL_PIN(15, "gpio15"),72 PINCTRL_PIN(16, "gpio16"),73 PINCTRL_PIN(17, "gpio17"),74 PINCTRL_PIN(18, "gpio18"),75 PINCTRL_PIN(19, "gpio19"),76 PINCTRL_PIN(20, "gpio20"),77 PINCTRL_PIN(21, "gpio21"),78 PINCTRL_PIN(22, "gpio22"),79};80 81static const char * const swr_tx_clk_groups[] = { "gpio0" };82static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };83static const char * const swr_rx_clk_groups[] = { "gpio3" };84static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };85static const char * const dmic1_clk_groups[] = { "gpio6" };86static const char * const dmic1_data_groups[] = { "gpio7" };87static const char * const dmic2_clk_groups[] = { "gpio8" };88static const char * const dmic2_data_groups[] = { "gpio9" };89static const char * const dmic4_clk_groups[] = { "gpio17" };90static const char * const dmic4_data_groups[] = { "gpio18" };91static const char * const i2s2_clk_groups[] = { "gpio10" };92static const char * const i2s2_ws_groups[] = { "gpio11" };93static const char * const dmic3_clk_groups[] = { "gpio12" };94static const char * const dmic3_data_groups[] = { "gpio13" };95static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };96static const char * const qua_mi2s_ws_groups[] = { "gpio1" };97static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };98static const char * const i2s1_clk_groups[] = { "gpio6" };99static const char * const i2s1_ws_groups[] = { "gpio7" };100static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };101static const char * const wsa_swr_clk_groups[] = { "gpio10" };102static const char * const wsa_swr_data_groups[] = { "gpio11" };103static const char * const wsa2_swr_clk_groups[] = { "gpio15" };104static const char * const wsa2_swr_data_groups[] = { "gpio16" };105static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" };106static const char * const i2s4_ws_groups[] = { "gpio13" };107static const char * const i2s4_clk_groups[] = { "gpio12" };108static const char * const i2s4_data_groups[] = { "gpio17", "gpio18" };109static const char * const slimbus_clk_groups[] = { "gpio19"};110static const char * const i2s3_clk_groups[] = { "gpio19"};111static const char * const i2s3_ws_groups[] = { "gpio20"};112static const char * const i2s3_data_groups[] = { "gpio21", "gpio22"};113static const char * const slimbus_data_groups[] = { "gpio20"};114static const char * const ext_mclk1_c_groups[] = { "gpio5" };115static const char * const ext_mclk1_b_groups[] = { "gpio9" };116static const char * const ext_mclk1_a_groups[] = { "gpio13" };117static const char * const ext_mclk1_d_groups[] = { "gpio14" };118static const char * const ext_mclk1_e_groups[] = { "gpio22" };119 120static const struct lpi_pingroup sm8450_groups[] = {121 LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),122 LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),123 LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),124 LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),125 LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),126 LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk1_c, qua_mi2s_data, _),127 LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _),128 LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),129 LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),130 LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _),131 LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),132 LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),133 LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s4_clk, _, _),134 LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s4_ws, ext_mclk1_a, _),135 LPI_PINGROUP(14, 6, swr_tx_data, ext_mclk1_d, _, _),136 LPI_PINGROUP(15, 20, i2s2_data, wsa2_swr_clk, _, _),137 LPI_PINGROUP(16, 22, i2s2_data, wsa2_swr_data, _, _),138 LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s4_data, _, _),139 LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s4_data, _, _),140 LPI_PINGROUP(19, LPI_NO_SLEW, i2s3_clk, slimbus_clk, _, _),141 LPI_PINGROUP(20, LPI_NO_SLEW, i2s3_ws, slimbus_data, _, _),142 LPI_PINGROUP(21, LPI_NO_SLEW, i2s3_data, _, _, _),143 LPI_PINGROUP(22, LPI_NO_SLEW, i2s3_data, ext_mclk1_e, _, _),144};145 146static const struct lpi_function sm8450_functions[] = {147 LPI_FUNCTION(dmic1_clk),148 LPI_FUNCTION(dmic1_data),149 LPI_FUNCTION(dmic2_clk),150 LPI_FUNCTION(dmic2_data),151 LPI_FUNCTION(dmic3_clk),152 LPI_FUNCTION(dmic3_data),153 LPI_FUNCTION(dmic4_clk),154 LPI_FUNCTION(dmic4_data),155 LPI_FUNCTION(i2s1_clk),156 LPI_FUNCTION(i2s1_data),157 LPI_FUNCTION(i2s1_ws),158 LPI_FUNCTION(i2s2_clk),159 LPI_FUNCTION(i2s2_data),160 LPI_FUNCTION(i2s2_ws),161 LPI_FUNCTION(i2s3_clk),162 LPI_FUNCTION(i2s3_data),163 LPI_FUNCTION(i2s3_ws),164 LPI_FUNCTION(i2s4_clk),165 LPI_FUNCTION(i2s4_data),166 LPI_FUNCTION(i2s4_ws),167 LPI_FUNCTION(qua_mi2s_data),168 LPI_FUNCTION(qua_mi2s_sclk),169 LPI_FUNCTION(qua_mi2s_ws),170 LPI_FUNCTION(swr_rx_clk),171 LPI_FUNCTION(swr_rx_data),172 LPI_FUNCTION(swr_tx_clk),173 LPI_FUNCTION(swr_tx_data),174 LPI_FUNCTION(slimbus_clk),175 LPI_FUNCTION(slimbus_data),176 LPI_FUNCTION(wsa_swr_clk),177 LPI_FUNCTION(wsa_swr_data),178 LPI_FUNCTION(wsa2_swr_clk),179 LPI_FUNCTION(wsa2_swr_data),180 LPI_FUNCTION(ext_mclk1_a),181 LPI_FUNCTION(ext_mclk1_b),182 LPI_FUNCTION(ext_mclk1_c),183 LPI_FUNCTION(ext_mclk1_d),184 LPI_FUNCTION(ext_mclk1_e),185};186 187static const struct lpi_pinctrl_variant_data sm8450_lpi_data = {188 .pins = sm8450_lpi_pins,189 .npins = ARRAY_SIZE(sm8450_lpi_pins),190 .groups = sm8450_groups,191 .ngroups = ARRAY_SIZE(sm8450_groups),192 .functions = sm8450_functions,193 .nfunctions = ARRAY_SIZE(sm8450_functions),194};195 196static const struct of_device_id lpi_pinctrl_of_match[] = {197 {198 .compatible = "qcom,sm8450-lpass-lpi-pinctrl",199 .data = &sm8450_lpi_data,200 },201 { }202};203MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);204 205static struct platform_driver lpi_pinctrl_driver = {206 .driver = {207 .name = "qcom-sm8450-lpass-lpi-pinctrl",208 .of_match_table = lpi_pinctrl_of_match,209 },210 .probe = lpi_pinctrl_probe,211 .remove_new = lpi_pinctrl_remove,212};213 214module_platform_driver(lpi_pinctrl_driver);215MODULE_DESCRIPTION("QTI SM8450 LPI GPIO pin control driver");216MODULE_LICENSE("GPL");217