drivers/pinctrl/qcom/pinctrl-sm4250-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_dmic4_clk,
  19         LPI_MUX_dmic4_data,
  20         LPI_MUX_ext_mclk0_a,
  21         LPI_MUX_ext_mclk0_b,
  22         LPI_MUX_ext_mclk1_a,
  23         LPI_MUX_ext_mclk1_b,
  24         LPI_MUX_ext_mclk1_c,
  25         LPI_MUX_i2s1_clk,
  26         LPI_MUX_i2s1_data,
  27         LPI_MUX_i2s1_ws,
  28         LPI_MUX_i2s2_clk,
  29         LPI_MUX_i2s2_data,
  30         LPI_MUX_i2s2_ws,
  31         LPI_MUX_i2s3_clk,
  32         LPI_MUX_i2s3_data,
  33         LPI_MUX_i2s3_ws,
  34         LPI_MUX_qup_io_00,
  35         LPI_MUX_qup_io_01,
  36         LPI_MUX_qup_io_05,
  37         LPI_MUX_qup_io_10,
  38         LPI_MUX_qup_io_11,
  39         LPI_MUX_qup_io_25,
  40         LPI_MUX_qup_io_21,
  41         LPI_MUX_qup_io_26,
  42         LPI_MUX_qup_io_31,
  43         LPI_MUX_qup_io_36,
  44         LPI_MUX_qua_mi2s_data,
  45         LPI_MUX_qua_mi2s_sclk,
  46         LPI_MUX_qua_mi2s_ws,
  47         LPI_MUX_slim_clk,
  48         LPI_MUX_slim_data,
  49         LPI_MUX_sync_out,
  50         LPI_MUX_swr_rx_clk,
  51         LPI_MUX_swr_rx_data,
  52         LPI_MUX_swr_tx_clk,
  53         LPI_MUX_swr_tx_data,
  54         LPI_MUX_swr_wsa_clk,
  55         LPI_MUX_swr_wsa_data,
  56         LPI_MUX_gpio,
  57         LPI_MUX__,
  58 };
  59
  60 static const struct pinctrl_pin_desc sm4250_lpi_pins[] = {
  61         PINCTRL_PIN(0, "gpio0"),
  62         PINCTRL_PIN(1, "gpio1"),
  63         PINCTRL_PIN(2, "gpio2"),
  64         PINCTRL_PIN(3, "gpio3"),
  65         PINCTRL_PIN(4, "gpio4"),
  66         PINCTRL_PIN(5, "gpio5"),
  67         PINCTRL_PIN(6, "gpio6"),
  68         PINCTRL_PIN(7, "gpio7"),
  69         PINCTRL_PIN(8, "gpio8"),
  70         PINCTRL_PIN(9, "gpio9"),
  71         PINCTRL_PIN(10, "gpio10"),
  72         PINCTRL_PIN(11, "gpio11"),
  73         PINCTRL_PIN(12, "gpio12"),
  74         PINCTRL_PIN(13, "gpio13"),
  75         PINCTRL_PIN(14, "gpio14"),
  76         PINCTRL_PIN(15, "gpio15"),
  77         PINCTRL_PIN(16, "gpio16"),
  78         PINCTRL_PIN(17, "gpio17"),
  79         PINCTRL_PIN(18, "gpio18"),
  80         PINCTRL_PIN(19, "gpio19"),
  81         PINCTRL_PIN(20, "gpio20"),
  82         PINCTRL_PIN(21, "gpio21"),
  83         PINCTRL_PIN(22, "gpio22"),
  84         PINCTRL_PIN(23, "gpio23"),
  85         PINCTRL_PIN(24, "gpio24"),
  86         PINCTRL_PIN(25, "gpio25"),
  87         PINCTRL_PIN(26, "gpio26"),
  88 };
  89
  90 static const char * const dmic01_clk_groups[] = { "gpio6" };
  91 static const char * const dmic01_data_groups[] = { "gpio7" };
  92 static const char * const dmic23_clk_groups[] = { "gpio8" };
  93 static const char * const dmic23_data_groups[] = { "gpio9" };
  94 static const char * const dmic4_clk_groups[] = { "gpio10" };
  95 static const char * const dmic4_data_groups[] = { "gpio11" };
  96 static const char * const ext_mclk0_a_groups[] = { "gpio13" };
  97 static const char * const ext_mclk0_b_groups[] = { "gpio5" };
  98 static const char * const ext_mclk1_a_groups[] = { "gpio18" };
  99 static const char * const ext_mclk1_b_groups[] = { "gpio9" };
 100 static const char * const ext_mclk1_c_groups[] = { "gpio17" };
 101 static const char * const slim_clk_groups[] = { "gpio14" };
 102 static const char * const slim_data_groups[] = { "gpio15" };
 103 static const char * const i2s1_clk_groups[] = { "gpio6" };
 104 static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
 105 static const char * const i2s1_ws_groups[] = { "gpio7" };
 106 static const char * const i2s2_clk_groups[] = { "gpio10" };
 107 static const char * const i2s2_data_groups[] = { "gpio12", "gpio13" };
 108 static const char * const i2s2_ws_groups[] = { "gpio11" };
 109 static const char * const i2s3_clk_groups[] = { "gpio14" };
 110 static const char * const i2s3_data_groups[] = { "gpio16", "gpio17" };
 111 static const char * const i2s3_ws_groups[] = { "gpio15" };
 112 static const char * const qup_io_00_groups[] = { "gpio19" };
 113 static const char * const qup_io_01_groups[] = { "gpio21" };
 114 static const char * const qup_io_05_groups[] = { "gpio23" };
 115 static const char * const qup_io_10_groups[] = { "gpio20" };
 116 static const char * const qup_io_11_groups[] = { "gpio22" };
 117 static const char * const qup_io_25_groups[] = { "gpio23" };
 118 static const char * const qup_io_21_groups[] = { "gpio25" };
 119 static const char * const qup_io_26_groups[] = { "gpio25" };
 120 static const char * const qup_io_31_groups[] = { "gpio26" };
 121 static const char * const qup_io_36_groups[] = { "gpio26" };
 122 static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
 123 static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };
 124 static const char * const qua_mi2s_ws_groups[] = { "gpio1" };
 125 static const char * const sync_out_groups[] = { "gpio19", "gpio20", "gpio21", "gpio22",
 126                                                 "gpio23", "gpio24", "gpio25", "gpio26"};
 127 static const char * const swr_rx_clk_groups[] = { "gpio3" };
 128 static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
 129 static const char * const swr_tx_clk_groups[] = { "gpio0" };
 130 static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2" };
 131 static const char * const swr_wsa_clk_groups[] = { "gpio10" };
 132 static const char * const swr_wsa_data_groups[] = { "gpio11" };
 133
 134
 135 static const struct lpi_pingroup sm4250_groups[] = {
 136         LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),
 137         LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),
 138         LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),
 139         LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),
 140         LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),
 141         LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk0_b, qua_mi2s_data, _),
 142         LPI_PINGROUP(6, LPI_NO_SLEW, dmic01_clk, i2s1_clk, _, _),
 143         LPI_PINGROUP(7, LPI_NO_SLEW, dmic01_data, i2s1_ws, _, _),
 144         LPI_PINGROUP(8, LPI_NO_SLEW, dmic23_clk, i2s1_data, _, _),
 145         LPI_PINGROUP(9, LPI_NO_SLEW, dmic23_data, i2s1_data, ext_mclk1_b, _),
 146         LPI_PINGROUP(10, 16, i2s2_clk, swr_wsa_clk, dmic4_clk, _),
 147         LPI_PINGROUP(11, 18, i2s2_ws, swr_wsa_data, dmic4_data, _),
 148         LPI_PINGROUP(12, LPI_NO_SLEW, dmic23_clk, i2s2_data, _, _),
 149         LPI_PINGROUP(13, LPI_NO_SLEW, dmic23_data, i2s2_data, ext_mclk0_a, _),
 150         LPI_PINGROUP(14, LPI_NO_SLEW, i2s3_clk, slim_clk, _, _),
 151         LPI_PINGROUP(15, LPI_NO_SLEW, i2s3_ws, slim_data, _, _),
 152         LPI_PINGROUP(16, LPI_NO_SLEW, i2s3_data, _, _, _),
 153         LPI_PINGROUP(17, LPI_NO_SLEW, i2s3_data, ext_mclk1_c, _, _),
 154         LPI_PINGROUP(18, 20, ext_mclk1_a, swr_rx_data, _, _),
 155         LPI_PINGROUP(19, LPI_NO_SLEW, qup_io_00, sync_out, _, _),
 156         LPI_PINGROUP(20, LPI_NO_SLEW, qup_io_10, sync_out, _, _),
 157         LPI_PINGROUP(21, LPI_NO_SLEW, qup_io_01, sync_out, _, _),
 158         LPI_PINGROUP(22, LPI_NO_SLEW, qup_io_11, sync_out, _, _),
 159         LPI_PINGROUP(23, LPI_NO_SLEW, qup_io_25, qup_io_05, sync_out, _),
 160         LPI_PINGROUP(25, LPI_NO_SLEW, qup_io_26, qup_io_21, sync_out, _),
 161         LPI_PINGROUP(26, LPI_NO_SLEW, qup_io_36, qup_io_31, sync_out, _),
 162 };
 163
 164 static const struct lpi_function sm4250_functions[] = {
 165         LPI_FUNCTION(dmic01_clk),
 166         LPI_FUNCTION(dmic01_data),
 167         LPI_FUNCTION(dmic23_clk),
 168         LPI_FUNCTION(dmic23_data),
 169         LPI_FUNCTION(dmic4_clk),
 170         LPI_FUNCTION(dmic4_data),
 171         LPI_FUNCTION(ext_mclk0_a),
 172         LPI_FUNCTION(ext_mclk0_b),
 173         LPI_FUNCTION(ext_mclk1_a),
 174         LPI_FUNCTION(ext_mclk1_b),
 175         LPI_FUNCTION(ext_mclk1_c),
 176         LPI_FUNCTION(i2s1_clk),
 177         LPI_FUNCTION(i2s1_data),
 178         LPI_FUNCTION(i2s1_ws),
 179         LPI_FUNCTION(i2s2_clk),
 180         LPI_FUNCTION(i2s2_data),
 181         LPI_FUNCTION(i2s2_ws),
 182         LPI_FUNCTION(i2s3_clk),
 183         LPI_FUNCTION(i2s3_data),
 184         LPI_FUNCTION(i2s3_ws),
 185         LPI_FUNCTION(qup_io_00),
 186         LPI_FUNCTION(qup_io_01),
 187         LPI_FUNCTION(qup_io_05),
 188         LPI_FUNCTION(qup_io_10),
 189         LPI_FUNCTION(qup_io_11),
 190         LPI_FUNCTION(qup_io_25),
 191         LPI_FUNCTION(qup_io_21),
 192         LPI_FUNCTION(qup_io_26),
 193         LPI_FUNCTION(qup_io_31),
 194         LPI_FUNCTION(qup_io_36),
 195         LPI_FUNCTION(qua_mi2s_data),
 196         LPI_FUNCTION(qua_mi2s_sclk),
 197         LPI_FUNCTION(qua_mi2s_ws),
 198         LPI_FUNCTION(slim_clk),
 199         LPI_FUNCTION(slim_data),
 200         LPI_FUNCTION(sync_out),
 201         LPI_FUNCTION(swr_rx_clk),
 202         LPI_FUNCTION(swr_rx_data),
 203         LPI_FUNCTION(swr_tx_clk),
 204         LPI_FUNCTION(swr_tx_data),
 205         LPI_FUNCTION(swr_wsa_clk),
 206         LPI_FUNCTION(swr_wsa_data),
 207 };
 208
 209 static const struct lpi_pinctrl_variant_data sm4250_lpi_data = {
 210         .pins = sm4250_lpi_pins,
 211         .npins = ARRAY_SIZE(sm4250_lpi_pins),
 212         .groups = sm4250_groups,
 213         .ngroups = ARRAY_SIZE(sm4250_groups),
 214         .functions = sm4250_functions,
 215         .nfunctions = ARRAY_SIZE(sm4250_functions),
 216 };
 217
 218 static const struct of_device_id lpi_pinctrl_of_match[] = {
 219         { .compatible = "qcom,sm4250-lpass-lpi-pinctrl", .data = &sm4250_lpi_data },
 220         { }
 221 };
 222 MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
 223
 224 static struct platform_driver lpi_pinctrl_driver = {
 225         .driver = {
 226                 .name = "qcom-sm4250-lpass-lpi-pinctrl",
 227                 .of_match_table = lpi_pinctrl_of_match,
 228         },
 229         .probe = lpi_pinctrl_probe,
 230         .remove = lpi_pinctrl_remove,
 231 };
 232
 233 module_platform_driver(lpi_pinctrl_driver);
 234 MODULE_DESCRIPTION("QTI SM4250 LPI GPIO pin control driver");
 235 MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
 236 MODULE_LICENSE("GPL");