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_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 | |
39 | static 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 | |
61 | static const char * const dmic01_clk_groups[] = { "gpio6" }; |
62 | static const char * const dmic01_data_groups[] = { "gpio7" }; |
63 | static const char * const dmic23_clk_groups[] = { "gpio8" }; |
64 | static const char * const dmic23_data_groups[] = { "gpio9" }; |
65 | static const char * const i2s1_clk_groups[] = { "gpio6" }; |
66 | static const char * const i2s1_data_groups[] = { "gpio8" , "gpio9" }; |
67 | static const char * const i2s1_ws_groups[] = { "gpio7" }; |
68 | static const char * const i2s2_clk_groups[] = { "gpio10" }; |
69 | static const char * const i2s2_data_groups[] = { "gpio12" , "gpio13" }; |
70 | static const char * const i2s2_ws_groups[] = { "gpio11" }; |
71 | static const char * const i2s3_clk_groups[] = { "gpio14" }; |
72 | static const char * const i2s3_data_groups[] = { "gpio16" , "gpio17" }; |
73 | static const char * const i2s3_ws_groups[] = { "gpio15" }; |
74 | static const char * const qua_mi2s_data_groups[] = { "gpio2" , "gpio3" , "gpio4" , "gpio5" }; |
75 | static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; |
76 | static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; |
77 | static const char * const swr_rx_clk_groups[] = { "gpio3" }; |
78 | static const char * const swr_rx_data_groups[] = { "gpio4" , "gpio5" }; |
79 | static const char * const swr_tx_clk_groups[] = { "gpio0" }; |
80 | static const char * const swr_tx_data_groups[] = { "gpio1" , "gpio2" }; |
81 | static const char * const wsa_mclk_groups[] = { "gpio18" }; |
82 | |
83 | static 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 | |
105 | static 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 | |
129 | static 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 | |
138 | static const struct of_device_id lpi_pinctrl_of_match[] = { |
139 | { .compatible = "qcom,sm6115-lpass-lpi-pinctrl" , .data = &sm6115_lpi_data }, |
140 | { } |
141 | }; |
142 | MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); |
143 | |
144 | static 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 | |
153 | module_platform_driver(lpi_pinctrl_driver); |
154 | MODULE_DESCRIPTION("QTI SM6115 LPI GPIO pin control driver" ); |
155 | MODULE_LICENSE("GPL" ); |
156 | |