drivers/pinctrl/qcom/pinctrl-sc8280xp-lpass-lpi.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   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
  12 enum 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
  48 static 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
  70 static const char * const swr_tx_clk_groups[] = { "gpio0" };
  71 static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };
  72 static const char * const swr_rx_clk_groups[] = { "gpio3" };
  73 static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
  74 static const char * const dmic1_clk_groups[] = { "gpio6" };
  75 static const char * const dmic1_data_groups[] = { "gpio7" };
  76 static const char * const dmic2_clk_groups[] = { "gpio8" };
  77 static const char * const dmic2_data_groups[] = { "gpio9" };
  78 static const char * const dmic4_clk_groups[] = { "gpio17" };
  79 static const char * const dmic4_data_groups[] = { "gpio18" };
  80 static const char * const i2s2_clk_groups[] = { "gpio10" };
  81 static const char * const i2s2_ws_groups[] = { "gpio11" };
  82 static const char * const dmic3_clk_groups[] = { "gpio12" };
  83 static const char * const dmic3_data_groups[] = { "gpio13" };
  84 static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };
  85 static const char * const qua_mi2s_ws_groups[] = { "gpio1" };
  86 static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
  87 static const char * const i2s1_clk_groups[] = { "gpio6" };
  88 static const char * const i2s1_ws_groups[] = { "gpio7" };
  89 static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
  90 static const char * const wsa_swr_clk_groups[] = { "gpio10" };
  91 static const char * const wsa_swr_data_groups[] = { "gpio11" };
  92 static const char * const wsa2_swr_clk_groups[] = { "gpio15" };
  93 static const char * const wsa2_swr_data_groups[] = { "gpio16" };
  94 static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" };
  95 static const char * const i2s3_clk_groups[] = { "gpio12"};
  96 static const char * const i2s3_ws_groups[] = { "gpio13"};
  97 static const char * const i2s3_data_groups[] = { "gpio17", "gpio18"};
  98 static const char * const ext_mclk1_c_groups[] = { "gpio5" };
  99 static const char * const ext_mclk1_b_groups[] = { "gpio9" };
 100 static const char * const ext_mclk1_a_groups[] = { "gpio13" };
 101
 102 static 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
 124 static 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
 158 static 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
 167 static 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 };
 174 MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
 175
 176 static 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 = lpi_pinctrl_remove,
 183 };
 184
 185 module_platform_driver(lpi_pinctrl_driver);
 186 MODULE_DESCRIPTION("QTI SC8280XP LPI GPIO pin control driver");
 187 MODULE_LICENSE("GPL");