1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2022-2023 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
12enum 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_i2s0_clk,
22	LPI_MUX_i2s0_data,
23	LPI_MUX_i2s0_ws,
24	LPI_MUX_i2s1_clk,
25	LPI_MUX_i2s1_data,
26	LPI_MUX_i2s1_ws,
27	LPI_MUX_i2s2_clk,
28	LPI_MUX_i2s2_data,
29	LPI_MUX_i2s2_ws,
30	LPI_MUX_i2s3_clk,
31	LPI_MUX_i2s3_data,
32	LPI_MUX_i2s3_ws,
33	LPI_MUX_i2s4_clk,
34	LPI_MUX_i2s4_data,
35	LPI_MUX_i2s4_ws,
36	LPI_MUX_slimbus_clk,
37	LPI_MUX_slimbus_data,
38	LPI_MUX_swr_rx_clk,
39	LPI_MUX_swr_rx_data,
40	LPI_MUX_swr_tx_clk,
41	LPI_MUX_swr_tx_data,
42	LPI_MUX_wsa_swr_clk,
43	LPI_MUX_wsa_swr_data,
44	LPI_MUX_wsa2_swr_clk,
45	LPI_MUX_wsa2_swr_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
55static int gpio0_pins[] = { 0 };
56static int gpio1_pins[] = { 1 };
57static int gpio2_pins[] = { 2 };
58static int gpio3_pins[] = { 3 };
59static int gpio4_pins[] = { 4 };
60static int gpio5_pins[] = { 5 };
61static int gpio6_pins[] = { 6 };
62static int gpio7_pins[] = { 7 };
63static int gpio8_pins[] = { 8 };
64static int gpio9_pins[] = { 9 };
65static int gpio10_pins[] = { 10 };
66static int gpio11_pins[] = { 11 };
67static int gpio12_pins[] = { 12 };
68static int gpio13_pins[] = { 13 };
69static int gpio14_pins[] = { 14 };
70static int gpio15_pins[] = { 15 };
71static int gpio16_pins[] = { 16 };
72static int gpio17_pins[] = { 17 };
73static int gpio18_pins[] = { 18 };
74static int gpio19_pins[] = { 19 };
75static int gpio20_pins[] = { 20 };
76static int gpio21_pins[] = { 21 };
77static int gpio22_pins[] = { 22 };
78
79static const struct pinctrl_pin_desc sm8550_lpi_pins[] = {
80	PINCTRL_PIN(0, "gpio0"),
81	PINCTRL_PIN(1, "gpio1"),
82	PINCTRL_PIN(2, "gpio2"),
83	PINCTRL_PIN(3, "gpio3"),
84	PINCTRL_PIN(4, "gpio4"),
85	PINCTRL_PIN(5, "gpio5"),
86	PINCTRL_PIN(6, "gpio6"),
87	PINCTRL_PIN(7, "gpio7"),
88	PINCTRL_PIN(8, "gpio8"),
89	PINCTRL_PIN(9, "gpio9"),
90	PINCTRL_PIN(10, "gpio10"),
91	PINCTRL_PIN(11, "gpio11"),
92	PINCTRL_PIN(12, "gpio12"),
93	PINCTRL_PIN(13, "gpio13"),
94	PINCTRL_PIN(14, "gpio14"),
95	PINCTRL_PIN(15, "gpio15"),
96	PINCTRL_PIN(16, "gpio16"),
97	PINCTRL_PIN(17, "gpio17"),
98	PINCTRL_PIN(18, "gpio18"),
99	PINCTRL_PIN(19, "gpio19"),
100	PINCTRL_PIN(20, "gpio20"),
101	PINCTRL_PIN(21, "gpio21"),
102	PINCTRL_PIN(22, "gpio22"),
103};
104
105static const char * const gpio_groups[] = {
106	"gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7",
107	"gpio8", "gpio9", "gpio10", "gpio11", "gpio12", "gpio13", "gpio14",
108	"gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21",
109	"gpio22",
110};
111
112static const char * const dmic1_clk_groups[] = { "gpio6" };
113static const char * const dmic1_data_groups[] = { "gpio7" };
114static const char * const dmic2_clk_groups[] = { "gpio8" };
115static const char * const dmic2_data_groups[] = { "gpio9" };
116static const char * const dmic3_clk_groups[] = { "gpio12" };
117static const char * const dmic3_data_groups[] = { "gpio13" };
118static const char * const dmic4_clk_groups[] = { "gpio17" };
119static const char * const dmic4_data_groups[] = { "gpio18" };
120static const char * const i2s0_clk_groups[] = { "gpio0" };
121static const char * const i2s0_ws_groups[] = { "gpio1" };
122static const char * const i2s0_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
123static const char * const i2s1_clk_groups[] = { "gpio6" };
124static const char * const i2s1_ws_groups[] = { "gpio7" };
125static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
126static const char * const i2s2_clk_groups[] = { "gpio10" };
127static const char * const i2s2_ws_groups[] = { "gpio11" };
128static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" };
129static const char * const i2s3_clk_groups[] = { "gpio12" };
130static const char * const i2s3_ws_groups[] = { "gpio13" };
131static const char * const i2s3_data_groups[] = { "gpio17", "gpio18" };
132static const char * const i2s4_clk_groups[] = { "gpio19"};
133static const char * const i2s4_ws_groups[] = { "gpio20"};
134static const char * const i2s4_data_groups[] = { "gpio21", "gpio22"};
135static const char * const slimbus_clk_groups[] = { "gpio19"};
136static const char * const slimbus_data_groups[] = { "gpio20"};
137static const char * const swr_tx_clk_groups[] = { "gpio0" };
138static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };
139static const char * const swr_rx_clk_groups[] = { "gpio3" };
140static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5", "gpio15" };
141static const char * const wsa_swr_clk_groups[] = { "gpio10" };
142static const char * const wsa_swr_data_groups[] = { "gpio11" };
143static const char * const wsa2_swr_clk_groups[] = { "gpio15" };
144static const char * const wsa2_swr_data_groups[] = { "gpio16" };
145static const char * const ext_mclk1_c_groups[] = { "gpio5" };
146static const char * const ext_mclk1_b_groups[] = { "gpio9" };
147static const char * const ext_mclk1_a_groups[] = { "gpio13" };
148static const char * const ext_mclk1_d_groups[] = { "gpio14" };
149static const char * const ext_mclk1_e_groups[] = { "gpio22" };
150
151static const struct lpi_pingroup sm8550_groups[] = {
152	LPI_PINGROUP(0, 0, swr_tx_clk, i2s0_clk, _, _),
153	LPI_PINGROUP(1, 2, swr_tx_data, i2s0_ws, _, _),
154	LPI_PINGROUP(2, 4, swr_tx_data, i2s0_data, _, _),
155	LPI_PINGROUP(3, 8, swr_rx_clk, i2s0_data, _, _),
156	LPI_PINGROUP(4, 10, swr_rx_data, i2s0_data, _, _),
157	LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk1_c, i2s0_data, _),
158	LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _,  _),
159	LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),
160	LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),
161	LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _),
162	LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),
163	LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),
164	LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s3_clk, _, _),
165	LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s3_ws, ext_mclk1_a, _),
166	LPI_PINGROUP(14, 6, swr_tx_data, ext_mclk1_d, _, _),
167	LPI_PINGROUP(15, 20, i2s2_data, wsa2_swr_clk, _, _),
168	LPI_PINGROUP(16, 22, i2s2_data, wsa2_swr_data, _, _),
169	LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s3_data, _, _),
170	LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s3_data, _, _),
171	LPI_PINGROUP(19, LPI_NO_SLEW, i2s4_clk, slimbus_clk, _, _),
172	LPI_PINGROUP(20, LPI_NO_SLEW, i2s4_ws, slimbus_data, _, _),
173	LPI_PINGROUP(21, LPI_NO_SLEW, i2s4_data, _, _, _),
174	LPI_PINGROUP(22, LPI_NO_SLEW, i2s4_data, ext_mclk1_e, _, _),
175};
176
177static const struct lpi_function sm8550_functions[] = {
178	LPI_FUNCTION(gpio),
179	LPI_FUNCTION(dmic1_clk),
180	LPI_FUNCTION(dmic1_data),
181	LPI_FUNCTION(dmic2_clk),
182	LPI_FUNCTION(dmic2_data),
183	LPI_FUNCTION(dmic3_clk),
184	LPI_FUNCTION(dmic3_data),
185	LPI_FUNCTION(dmic4_clk),
186	LPI_FUNCTION(dmic4_data),
187	LPI_FUNCTION(i2s0_clk),
188	LPI_FUNCTION(i2s0_data),
189	LPI_FUNCTION(i2s0_ws),
190	LPI_FUNCTION(i2s1_clk),
191	LPI_FUNCTION(i2s1_data),
192	LPI_FUNCTION(i2s1_ws),
193	LPI_FUNCTION(i2s2_clk),
194	LPI_FUNCTION(i2s2_data),
195	LPI_FUNCTION(i2s2_ws),
196	LPI_FUNCTION(i2s3_clk),
197	LPI_FUNCTION(i2s3_data),
198	LPI_FUNCTION(i2s3_ws),
199	LPI_FUNCTION(i2s4_clk),
200	LPI_FUNCTION(i2s4_data),
201	LPI_FUNCTION(i2s4_ws),
202	LPI_FUNCTION(slimbus_clk),
203	LPI_FUNCTION(slimbus_data),
204	LPI_FUNCTION(swr_rx_clk),
205	LPI_FUNCTION(swr_rx_data),
206	LPI_FUNCTION(swr_tx_clk),
207	LPI_FUNCTION(swr_tx_data),
208	LPI_FUNCTION(wsa_swr_clk),
209	LPI_FUNCTION(wsa_swr_data),
210	LPI_FUNCTION(wsa2_swr_clk),
211	LPI_FUNCTION(wsa2_swr_data),
212	LPI_FUNCTION(ext_mclk1_a),
213	LPI_FUNCTION(ext_mclk1_b),
214	LPI_FUNCTION(ext_mclk1_c),
215	LPI_FUNCTION(ext_mclk1_d),
216	LPI_FUNCTION(ext_mclk1_e),
217};
218
219static const struct lpi_pinctrl_variant_data sm8550_lpi_data = {
220	.pins = sm8550_lpi_pins,
221	.npins = ARRAY_SIZE(sm8550_lpi_pins),
222	.groups = sm8550_groups,
223	.ngroups = ARRAY_SIZE(sm8550_groups),
224	.functions = sm8550_functions,
225	.nfunctions = ARRAY_SIZE(sm8550_functions),
226};
227
228static const struct of_device_id lpi_pinctrl_of_match[] = {
229	{
230	       .compatible = "qcom,sm8550-lpass-lpi-pinctrl",
231	       .data = &sm8550_lpi_data,
232	},
233	{ }
234};
235MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
236
237static struct platform_driver lpi_pinctrl_driver = {
238	.driver = {
239		   .name = "qcom-sm8550-lpass-lpi-pinctrl",
240		   .of_match_table = lpi_pinctrl_of_match,
241	},
242	.probe = lpi_pinctrl_probe,
243	.remove = lpi_pinctrl_remove,
244};
245
246module_platform_driver(lpi_pinctrl_driver);
247MODULE_DESCRIPTION("Qualcomm SM8550 LPI GPIO pin control driver");
248MODULE_LICENSE("GPL");
249