drivers/pinctrl/qcom/pinctrl-sm8450-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_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
  55 static 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
  81 static const char * const swr_tx_clk_groups[] = { "gpio0" };
  82 static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };
  83 static const char * const swr_rx_clk_groups[] = { "gpio3" };
  84 static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
  85 static const char * const dmic1_clk_groups[] = { "gpio6" };
  86 static const char * const dmic1_data_groups[] = { "gpio7" };
  87 static const char * const dmic2_clk_groups[] = { "gpio8" };
  88 static const char * const dmic2_data_groups[] = { "gpio9" };
  89 static const char * const dmic4_clk_groups[] = { "gpio17" };
  90 static const char * const dmic4_data_groups[] = { "gpio18" };
  91 static const char * const i2s2_clk_groups[] = { "gpio10" };
  92 static const char * const i2s2_ws_groups[] = { "gpio11" };
  93 static const char * const dmic3_clk_groups[] = { "gpio12" };
  94 static const char * const dmic3_data_groups[] = { "gpio13" };
  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 qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
  98 static const char * const i2s1_clk_groups[] = { "gpio6" };
  99 static const char * const i2s1_ws_groups[] = { "gpio7" };
 100 static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
 101 static const char * const wsa_swr_clk_groups[] = { "gpio10" };
 102 static const char * const wsa_swr_data_groups[] = { "gpio11" };
 103 static const char * const wsa2_swr_clk_groups[] = { "gpio15" };
 104 static const char * const wsa2_swr_data_groups[] = { "gpio16" };
 105 static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" };
 106 static const char * const i2s4_ws_groups[] = { "gpio13" };
 107 static const char * const i2s4_clk_groups[] = { "gpio12" };
 108 static const char * const i2s4_data_groups[] = { "gpio17", "gpio18" };
 109 static const char * const slimbus_clk_groups[] = { "gpio19"};
 110 static const char * const i2s3_clk_groups[] = { "gpio19"};
 111 static const char * const i2s3_ws_groups[] = { "gpio20"};
 112 static const char * const i2s3_data_groups[] = { "gpio21", "gpio22"};
 113 static const char * const slimbus_data_groups[] = { "gpio20"};
 114 static const char * const ext_mclk1_c_groups[] = { "gpio5" };
 115 static const char * const ext_mclk1_b_groups[] = { "gpio9" };
 116 static const char * const ext_mclk1_a_groups[] = { "gpio13" };
 117 static const char * const ext_mclk1_d_groups[] = { "gpio14" };
 118 static const char * const ext_mclk1_e_groups[] = { "gpio22" };
 119
 120 static 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
 146 static 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
 187 static 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
 196 static 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 };
 203 MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
 204
 205 static 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 = lpi_pinctrl_remove,
 212 };
 213
 214 module_platform_driver(lpi_pinctrl_driver);
 215 MODULE_DESCRIPTION("QTI SM8450 LPI GPIO pin control driver");
 216 MODULE_LICENSE("GPL");