pinctrl-sc7280-lpass-lpi.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
  4 * ALSA SoC platform-machine driver for QTi LPASS
  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
 13enum lpass_lpi_functions {
 14	LPI_MUX_dmic1_clk,
 15	LPI_MUX_dmic1_data,
 16	LPI_MUX_dmic2_clk,
 17	LPI_MUX_dmic2_data,
 18	LPI_MUX_dmic3_clk,
 19	LPI_MUX_dmic3_data,
 20	LPI_MUX_i2s1_clk,
 21	LPI_MUX_i2s1_data,
 22	LPI_MUX_i2s1_ws,
 23	LPI_MUX_i2s2_clk,
 24	LPI_MUX_i2s2_data,
 25	LPI_MUX_i2s2_ws,
 26	LPI_MUX_qua_mi2s_data,
 27	LPI_MUX_qua_mi2s_sclk,
 28	LPI_MUX_qua_mi2s_ws,
 29	LPI_MUX_swr_rx_clk,
 30	LPI_MUX_swr_rx_data,
 31	LPI_MUX_swr_tx_clk,
 32	LPI_MUX_swr_tx_data,
 33	LPI_MUX_wsa_swr_clk,
 34	LPI_MUX_wsa_swr_data,
 35	LPI_MUX_gpio,
 36	LPI_MUX__,
 37};
 38
 39static const struct pinctrl_pin_desc sc7280_lpi_pins[] = {
 40	PINCTRL_PIN(0, "gpio0"),
 41	PINCTRL_PIN(1, "gpio1"),
 42	PINCTRL_PIN(2, "gpio2"),
 43	PINCTRL_PIN(3, "gpio3"),
 44	PINCTRL_PIN(4, "gpio4"),
 45	PINCTRL_PIN(5, "gpio5"),
 46	PINCTRL_PIN(6, "gpio6"),
 47	PINCTRL_PIN(7, "gpio7"),
 48	PINCTRL_PIN(8, "gpio8"),
 49	PINCTRL_PIN(9, "gpio9"),
 50	PINCTRL_PIN(10, "gpio10"),
 51	PINCTRL_PIN(11, "gpio11"),
 52	PINCTRL_PIN(12, "gpio12"),
 53	PINCTRL_PIN(13, "gpio13"),
 54	PINCTRL_PIN(14, "gpio14"),
 55};
 56
 57static const char * const swr_tx_clk_groups[] = { "gpio0" };
 58static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };
 59static const char * const swr_rx_clk_groups[] = { "gpio3" };
 60static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
 61static const char * const dmic1_clk_groups[] = { "gpio6" };
 62static const char * const dmic1_data_groups[] = { "gpio7" };
 63static const char * const dmic2_clk_groups[] = { "gpio8" };
 64static const char * const dmic2_data_groups[] = { "gpio9" };
 65static const char * const i2s2_clk_groups[] = { "gpio10" };
 66static const char * const i2s2_ws_groups[] = { "gpio11" };
 67static const char * const dmic3_clk_groups[] = { "gpio12" };
 68static const char * const dmic3_data_groups[] = { "gpio13" };
 69static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };
 70static const char * const qua_mi2s_ws_groups[] = { "gpio1" };
 71static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" };
 72static const char * const i2s1_clk_groups[] = { "gpio6" };
 73static const char * const i2s1_ws_groups[] = { "gpio7" };
 74static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
 75static const char * const wsa_swr_clk_groups[] = { "gpio10" };
 76static const char * const wsa_swr_data_groups[] = { "gpio11" };
 77static const char * const i2s2_data_groups[] = { "gpio12", "gpio13" };
 78
 79static const struct lpi_pingroup sc7280_groups[] = {
 80	LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),
 81	LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),
 82	LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),
 83	LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),
 84	LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),
 85	LPI_PINGROUP(5, 12, swr_rx_data, _, _, _),
 86	LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _,  _),
 87	LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),
 88	LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),
 89	LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _),
 90	LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),
 91	LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),
 92	LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _),
 93	LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _),
 94	LPI_PINGROUP(14, 6, swr_tx_data, _, _, _),
 95};
 96
 97static const struct lpi_function sc7280_functions[] = {
 98	LPI_FUNCTION(dmic1_clk),
 99	LPI_FUNCTION(dmic1_data),
100	LPI_FUNCTION(dmic2_clk),
101	LPI_FUNCTION(dmic2_data),
102	LPI_FUNCTION(dmic3_clk),
103	LPI_FUNCTION(dmic3_data),
104	LPI_FUNCTION(i2s1_clk),
105	LPI_FUNCTION(i2s1_data),
106	LPI_FUNCTION(i2s1_ws),
107	LPI_FUNCTION(i2s2_clk),
108	LPI_FUNCTION(i2s2_data),
109	LPI_FUNCTION(i2s2_ws),
110	LPI_FUNCTION(qua_mi2s_data),
111	LPI_FUNCTION(qua_mi2s_sclk),
112	LPI_FUNCTION(qua_mi2s_ws),
113	LPI_FUNCTION(swr_rx_clk),
114	LPI_FUNCTION(swr_rx_data),
115	LPI_FUNCTION(swr_tx_clk),
116	LPI_FUNCTION(swr_tx_data),
117	LPI_FUNCTION(wsa_swr_clk),
118	LPI_FUNCTION(wsa_swr_data),
119};
120
121static const struct lpi_pinctrl_variant_data sc7280_lpi_data = {
122	.pins = sc7280_lpi_pins,
123	.npins = ARRAY_SIZE(sc7280_lpi_pins),
124	.groups = sc7280_groups,
125	.ngroups = ARRAY_SIZE(sc7280_groups),
126	.functions = sc7280_functions,
127	.nfunctions = ARRAY_SIZE(sc7280_functions),
128};
129
130static const struct of_device_id lpi_pinctrl_of_match[] = {
131	{
132	       .compatible = "qcom,sc7280-lpass-lpi-pinctrl",
133	       .data = &sc7280_lpi_data,
134	}, {
135	       .compatible = "qcom,sm8350-lpass-lpi-pinctrl",
136	       .data = &sc7280_lpi_data,
137	},
138	{ }
139};
140MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
141
142static struct platform_driver lpi_pinctrl_driver = {
143	.driver = {
144		   .name = "qcom-sc7280-lpass-lpi-pinctrl",
145		   .of_match_table = lpi_pinctrl_of_match,
146	},
147	.probe = lpi_pinctrl_probe,
148	.remove = lpi_pinctrl_remove,
149};
150
151module_platform_driver(lpi_pinctrl_driver);
152MODULE_DESCRIPTION("QTI SC7280 LPI GPIO pin control driver");
153MODULE_LICENSE("GPL");