drivers/pinctrl/qcom/pinctrl-sm6115-lpass-lpi.c

   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
  13 enum 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
  39 static int gpio0_pins[] = { 0 };
  40 static int gpio1_pins[] = { 1 };
  41 static int gpio2_pins[] = { 2 };
  42 static int gpio3_pins[] = { 3 };
  43 static int gpio4_pins[] = { 4 };
  44 static int gpio5_pins[] = { 5 };
  45 static int gpio6_pins[] = { 6 };
  46 static int gpio7_pins[] = { 7 };
  47 static int gpio8_pins[] = { 8 };
  48 static int gpio9_pins[] = { 9 };
  49 static int gpio10_pins[] = { 10 };
  50 static int gpio11_pins[] = { 11 };
  51 static int gpio12_pins[] = { 12 };
  52 static int gpio13_pins[] = { 13 };
  53 static int gpio14_pins[] = { 14 };
  54 static int gpio15_pins[] = { 15 };
  55 static int gpio16_pins[] = { 16 };
  56 static int gpio17_pins[] = { 17 };
  57 static int gpio18_pins[] = { 18 };
  58
  59 static 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
  81 static const char * const dmic01_clk_groups[] = { "gpio6" };
  82 static const char * const dmic01_data_groups[] = { "gpio7" };
  83 static const char * const dmic23_clk_groups[] = { "gpio8" };
  84 static const char * const dmic23_data_groups[] = { "gpio9" };
  85 static const char * const i2s1_clk_groups[] = { "gpio6" };
  86 static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
  87 static const char * const i2s1_ws_groups[] = { "gpio7" };
  88 static const char * const i2s2_clk_groups[] = { "gpio10" };
  89 static const char * const i2s2_data_groups[] = { "gpio12", "gpio13" };
  90 static const char * const i2s2_ws_groups[] = { "gpio11" };
  91 static const char * const i2s3_clk_groups[] = { "gpio14" };
  92 static const char * const i2s3_data_groups[] = { "gpio16", "gpio17" };
  93 static const char * const i2s3_ws_groups[] = { "gpio15" };
  94 static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
  95 static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };
  96 static const char * const qua_mi2s_ws_groups[] = { "gpio1" };
  97 static const char * const swr_rx_clk_groups[] = { "gpio3" };
  98 static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
  99 static const char * const swr_tx_clk_groups[] = { "gpio0" };
 100 static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2" };
 101 static const char * const wsa_mclk_groups[] = { "gpio18" };
 102
 103 static 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
 125 static 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
 149 static 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
 158 static const struct of_device_id lpi_pinctrl_of_match[] = {
 159         { .compatible = "qcom,sm6115-lpass-lpi-pinctrl", .data = &sm6115_lpi_data },
 160         { }
 161 };
 162 MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
 163
 164 static 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_new = lpi_pinctrl_remove,
 171 };
 172
 173 module_platform_driver(lpi_pinctrl_driver);
 174 MODULE_DESCRIPTION("QTI SM6115 LPI GPIO pin control driver");
 175 MODULE_LICENSE("GPL");