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
13enum 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_i2s1_clk,
19	LPI_MUX_i2s1_data,
20	LPI_MUX_i2s1_ws,
21	LPI_MUX_i2s2_clk,
22	LPI_MUX_i2s2_data,
23	LPI_MUX_i2s2_ws,
24	LPI_MUX_i2s3_clk,
25	LPI_MUX_i2s3_data,
26	LPI_MUX_i2s3_ws,
27	LPI_MUX_qua_mi2s_data,
28	LPI_MUX_qua_mi2s_sclk,
29	LPI_MUX_qua_mi2s_ws,
30	LPI_MUX_swr_rx_clk,
31	LPI_MUX_swr_rx_data,
32	LPI_MUX_swr_tx_clk,
33	LPI_MUX_swr_tx_data,
34	LPI_MUX_wsa_mclk,
35	LPI_MUX_gpio,
36	LPI_MUX__,
37};
38
39static const struct pinctrl_pin_desc sm6115_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	PINCTRL_PIN(15, "gpio15"),
56	PINCTRL_PIN(16, "gpio16"),
57	PINCTRL_PIN(17, "gpio17"),
58	PINCTRL_PIN(18, "gpio18"),
59};
60
61static const char * const dmic01_clk_groups[] = { "gpio6" };
62static const char * const dmic01_data_groups[] = { "gpio7" };
63static const char * const dmic23_clk_groups[] = { "gpio8" };
64static const char * const dmic23_data_groups[] = { "gpio9" };
65static const char * const i2s1_clk_groups[] = { "gpio6" };
66static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
67static const char * const i2s1_ws_groups[] = { "gpio7" };
68static const char * const i2s2_clk_groups[] = { "gpio10" };
69static const char * const i2s2_data_groups[] = { "gpio12", "gpio13" };
70static const char * const i2s2_ws_groups[] = { "gpio11" };
71static const char * const i2s3_clk_groups[] = { "gpio14" };
72static const char * const i2s3_data_groups[] = { "gpio16", "gpio17" };
73static const char * const i2s3_ws_groups[] = { "gpio15" };
74static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
75static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };
76static const char * const qua_mi2s_ws_groups[] = { "gpio1" };
77static const char * const swr_rx_clk_groups[] = { "gpio3" };
78static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
79static const char * const swr_tx_clk_groups[] = { "gpio0" };
80static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2" };
81static const char * const wsa_mclk_groups[] = { "gpio18" };
82
83static const struct lpi_pingroup sm6115_groups[] = {
84	LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),
85	LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),
86	LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),
87	LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),
88	LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),
89	LPI_PINGROUP(5, 12, swr_rx_data, _, qua_mi2s_data, _),
90	LPI_PINGROUP(6, LPI_NO_SLEW, dmic01_clk, i2s1_clk, _, _),
91	LPI_PINGROUP(7, LPI_NO_SLEW, dmic01_data, i2s1_ws, _, _),
92	LPI_PINGROUP(8, LPI_NO_SLEW, dmic23_clk, i2s1_data, _, _),
93	LPI_PINGROUP(9, LPI_NO_SLEW, dmic23_data, i2s1_data, _, _),
94	LPI_PINGROUP(10, LPI_NO_SLEW, i2s2_clk, _, _, _),
95	LPI_PINGROUP(11, LPI_NO_SLEW, i2s2_ws, _, _, _),
96	LPI_PINGROUP(12, LPI_NO_SLEW, _, i2s2_data, _, _),
97	LPI_PINGROUP(13, LPI_NO_SLEW, _, i2s2_data, _, _),
98	LPI_PINGROUP(14, LPI_NO_SLEW, i2s3_clk, _, _, _),
99	LPI_PINGROUP(15, LPI_NO_SLEW, i2s3_ws, _, _, _),
100	LPI_PINGROUP(16, LPI_NO_SLEW, i2s3_data, _, _, _),
101	LPI_PINGROUP(17, LPI_NO_SLEW, i2s3_data, _, _, _),
102	LPI_PINGROUP(18, 14, wsa_mclk, _, _, _),
103};
104
105static const struct lpi_function sm6115_functions[] = {
106	LPI_FUNCTION(dmic01_clk),
107	LPI_FUNCTION(dmic01_data),
108	LPI_FUNCTION(dmic23_clk),
109	LPI_FUNCTION(dmic23_data),
110	LPI_FUNCTION(i2s1_clk),
111	LPI_FUNCTION(i2s1_data),
112	LPI_FUNCTION(i2s1_ws),
113	LPI_FUNCTION(i2s2_clk),
114	LPI_FUNCTION(i2s2_data),
115	LPI_FUNCTION(i2s2_ws),
116	LPI_FUNCTION(i2s3_clk),
117	LPI_FUNCTION(i2s3_data),
118	LPI_FUNCTION(i2s3_ws),
119	LPI_FUNCTION(qua_mi2s_data),
120	LPI_FUNCTION(qua_mi2s_sclk),
121	LPI_FUNCTION(qua_mi2s_ws),
122	LPI_FUNCTION(swr_rx_clk),
123	LPI_FUNCTION(swr_rx_data),
124	LPI_FUNCTION(swr_tx_clk),
125	LPI_FUNCTION(swr_tx_data),
126	LPI_FUNCTION(wsa_mclk),
127};
128
129static const struct lpi_pinctrl_variant_data sm6115_lpi_data = {
130	.pins = sm6115_lpi_pins,
131	.npins = ARRAY_SIZE(sm6115_lpi_pins),
132	.groups = sm6115_groups,
133	.ngroups = ARRAY_SIZE(sm6115_groups),
134	.functions = sm6115_functions,
135	.nfunctions = ARRAY_SIZE(sm6115_functions),
136};
137
138static const struct of_device_id lpi_pinctrl_of_match[] = {
139	{ .compatible = "qcom,sm6115-lpass-lpi-pinctrl", .data = &sm6115_lpi_data },
140	{ }
141};
142MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
143
144static struct platform_driver lpi_pinctrl_driver = {
145	.driver = {
146		.name = "qcom-sm6115-lpass-lpi-pinctrl",
147		.of_match_table = lpi_pinctrl_of_match,
148	},
149	.probe = lpi_pinctrl_probe,
150	.remove_new = lpi_pinctrl_remove,
151};
152
153module_platform_driver(lpi_pinctrl_driver);
154MODULE_DESCRIPTION("QTI SM6115 LPI GPIO pin control driver");
155MODULE_LICENSE("GPL");
156