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0007 #include <linux/gpio/driver.h>
0008 #include <linux/module.h>
0009 #include <linux/platform_device.h>
0010
0011 #include "pinctrl-lpass-lpi.h"
0012
0013 enum lpass_lpi_functions {
0014 LPI_MUX_dmic1_clk,
0015 LPI_MUX_dmic1_data,
0016 LPI_MUX_dmic2_clk,
0017 LPI_MUX_dmic2_data,
0018 LPI_MUX_dmic3_clk,
0019 LPI_MUX_dmic3_data,
0020 LPI_MUX_i2s1_clk,
0021 LPI_MUX_i2s1_data,
0022 LPI_MUX_i2s1_ws,
0023 LPI_MUX_i2s2_clk,
0024 LPI_MUX_i2s2_data,
0025 LPI_MUX_i2s2_ws,
0026 LPI_MUX_qua_mi2s_data,
0027 LPI_MUX_qua_mi2s_sclk,
0028 LPI_MUX_qua_mi2s_ws,
0029 LPI_MUX_swr_rx_clk,
0030 LPI_MUX_swr_rx_data,
0031 LPI_MUX_swr_tx_clk,
0032 LPI_MUX_swr_tx_data,
0033 LPI_MUX_wsa_swr_clk,
0034 LPI_MUX_wsa_swr_data,
0035 LPI_MUX_gpio,
0036 LPI_MUX__,
0037 };
0038
0039 static int gpio0_pins[] = { 0 };
0040 static int gpio1_pins[] = { 1 };
0041 static int gpio2_pins[] = { 2 };
0042 static int gpio3_pins[] = { 3 };
0043 static int gpio4_pins[] = { 4 };
0044 static int gpio5_pins[] = { 5 };
0045 static int gpio6_pins[] = { 6 };
0046 static int gpio7_pins[] = { 7 };
0047 static int gpio8_pins[] = { 8 };
0048 static int gpio9_pins[] = { 9 };
0049 static int gpio10_pins[] = { 10 };
0050 static int gpio11_pins[] = { 11 };
0051 static int gpio12_pins[] = { 12 };
0052 static int gpio13_pins[] = { 13 };
0053
0054 static const struct pinctrl_pin_desc sm8250_lpi_pins[] = {
0055 PINCTRL_PIN(0, "gpio0"),
0056 PINCTRL_PIN(1, "gpio1"),
0057 PINCTRL_PIN(2, "gpio2"),
0058 PINCTRL_PIN(3, "gpio3"),
0059 PINCTRL_PIN(4, "gpio4"),
0060 PINCTRL_PIN(5, "gpio5"),
0061 PINCTRL_PIN(6, "gpio6"),
0062 PINCTRL_PIN(7, "gpio7"),
0063 PINCTRL_PIN(8, "gpio8"),
0064 PINCTRL_PIN(9, "gpio9"),
0065 PINCTRL_PIN(10, "gpio10"),
0066 PINCTRL_PIN(11, "gpio11"),
0067 PINCTRL_PIN(12, "gpio12"),
0068 PINCTRL_PIN(13, "gpio13"),
0069 };
0070
0071 static const char * const swr_tx_clk_groups[] = { "gpio0" };
0072 static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio5" };
0073 static const char * const swr_rx_clk_groups[] = { "gpio3" };
0074 static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
0075 static const char * const dmic1_clk_groups[] = { "gpio6" };
0076 static const char * const dmic1_data_groups[] = { "gpio7" };
0077 static const char * const dmic2_clk_groups[] = { "gpio8" };
0078 static const char * const dmic2_data_groups[] = { "gpio9" };
0079 static const char * const i2s2_clk_groups[] = { "gpio10" };
0080 static const char * const i2s2_ws_groups[] = { "gpio11" };
0081 static const char * const dmic3_clk_groups[] = { "gpio12" };
0082 static const char * const dmic3_data_groups[] = { "gpio13" };
0083 static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };
0084 static const char * const qua_mi2s_ws_groups[] = { "gpio1" };
0085 static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" };
0086 static const char * const i2s1_clk_groups[] = { "gpio6" };
0087 static const char * const i2s1_ws_groups[] = { "gpio7" };
0088 static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
0089 static const char * const wsa_swr_clk_groups[] = { "gpio10" };
0090 static const char * const wsa_swr_data_groups[] = { "gpio11" };
0091 static const char * const i2s2_data_groups[] = { "gpio12", "gpio12" };
0092
0093 static const struct lpi_pingroup sm8250_groups[] = {
0094 LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),
0095 LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),
0096 LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),
0097 LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),
0098 LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),
0099 LPI_PINGROUP(5, 12, swr_tx_data, swr_rx_data, _, _),
0100 LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _),
0101 LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),
0102 LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),
0103 LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _),
0104 LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),
0105 LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),
0106 LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _),
0107 LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _),
0108 };
0109
0110 static const struct lpi_function sm8250_functions[] = {
0111 LPI_FUNCTION(dmic1_clk),
0112 LPI_FUNCTION(dmic1_data),
0113 LPI_FUNCTION(dmic2_clk),
0114 LPI_FUNCTION(dmic2_data),
0115 LPI_FUNCTION(dmic3_clk),
0116 LPI_FUNCTION(dmic3_data),
0117 LPI_FUNCTION(i2s1_clk),
0118 LPI_FUNCTION(i2s1_data),
0119 LPI_FUNCTION(i2s1_ws),
0120 LPI_FUNCTION(i2s2_clk),
0121 LPI_FUNCTION(i2s2_data),
0122 LPI_FUNCTION(i2s2_ws),
0123 LPI_FUNCTION(qua_mi2s_data),
0124 LPI_FUNCTION(qua_mi2s_sclk),
0125 LPI_FUNCTION(qua_mi2s_ws),
0126 LPI_FUNCTION(swr_rx_clk),
0127 LPI_FUNCTION(swr_rx_data),
0128 LPI_FUNCTION(swr_tx_clk),
0129 LPI_FUNCTION(swr_tx_data),
0130 LPI_FUNCTION(wsa_swr_clk),
0131 LPI_FUNCTION(wsa_swr_data),
0132 };
0133
0134 static const struct lpi_pinctrl_variant_data sm8250_lpi_data = {
0135 .pins = sm8250_lpi_pins,
0136 .npins = ARRAY_SIZE(sm8250_lpi_pins),
0137 .groups = sm8250_groups,
0138 .ngroups = ARRAY_SIZE(sm8250_groups),
0139 .functions = sm8250_functions,
0140 .nfunctions = ARRAY_SIZE(sm8250_functions),
0141 };
0142
0143 static const struct of_device_id lpi_pinctrl_of_match[] = {
0144 {
0145 .compatible = "qcom,sm8250-lpass-lpi-pinctrl",
0146 .data = &sm8250_lpi_data,
0147 },
0148 { }
0149 };
0150 MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
0151
0152 static struct platform_driver lpi_pinctrl_driver = {
0153 .driver = {
0154 .name = "qcom-sm8250-lpass-lpi-pinctrl",
0155 .of_match_table = lpi_pinctrl_of_match,
0156 },
0157 .probe = lpi_pinctrl_probe,
0158 .remove = lpi_pinctrl_remove,
0159 };
0160
0161 module_platform_driver(lpi_pinctrl_driver);
0162 MODULE_DESCRIPTION("QTI SM8250 LPI GPIO pin control driver");
0163 MODULE_LICENSE("GPL");
