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_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 | |
39 | static const struct pinctrl_pin_desc sm8350_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 | |
57 | static const char * const swr_tx_clk_groups[] = { "gpio0" }; |
58 | static const char * const swr_tx_data_groups[] = { "gpio1" , "gpio2" , "gpio5" , "gpio14" }; |
59 | static const char * const swr_rx_clk_groups[] = { "gpio3" }; |
60 | static const char * const swr_rx_data_groups[] = { "gpio4" , "gpio5" }; |
61 | static const char * const dmic1_clk_groups[] = { "gpio6" }; |
62 | static const char * const dmic1_data_groups[] = { "gpio7" }; |
63 | static const char * const dmic2_clk_groups[] = { "gpio8" }; |
64 | static const char * const dmic2_data_groups[] = { "gpio9" }; |
65 | static const char * const i2s2_clk_groups[] = { "gpio10" }; |
66 | static const char * const i2s2_ws_groups[] = { "gpio11" }; |
67 | static const char * const dmic3_clk_groups[] = { "gpio12" }; |
68 | static const char * const dmic3_data_groups[] = { "gpio13" }; |
69 | static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; |
70 | static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; |
71 | static const char * const qua_mi2s_data_groups[] = { "gpio2" , "gpio3" , "gpio4" }; |
72 | static const char * const i2s1_clk_groups[] = { "gpio6" }; |
73 | static const char * const i2s1_ws_groups[] = { "gpio7" }; |
74 | static const char * const i2s1_data_groups[] = { "gpio8" , "gpio9" }; |
75 | static const char * const wsa_swr_clk_groups[] = { "gpio10" }; |
76 | static const char * const wsa_swr_data_groups[] = { "gpio11" }; |
77 | static const char * const i2s2_data_groups[] = { "gpio12" , "gpio12" }; |
78 | |
79 | static const struct lpi_pingroup sm8350_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_tx_data, 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 | |
97 | static const struct lpi_function sm8350_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 | |
121 | static const struct lpi_pinctrl_variant_data sm8350_lpi_data = { |
122 | .pins = sm8350_lpi_pins, |
123 | .npins = ARRAY_SIZE(sm8350_lpi_pins), |
124 | .groups = sm8350_groups, |
125 | .ngroups = ARRAY_SIZE(sm8350_groups), |
126 | .functions = sm8350_functions, |
127 | .nfunctions = ARRAY_SIZE(sm8350_functions), |
128 | }; |
129 | |
130 | static const struct of_device_id lpi_pinctrl_of_match[] = { |
131 | { |
132 | .compatible = "qcom,sm8350-lpass-lpi-pinctrl" , |
133 | .data = &sm8350_lpi_data, |
134 | }, |
135 | { } |
136 | }; |
137 | MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); |
138 | |
139 | static struct platform_driver lpi_pinctrl_driver = { |
140 | .driver = { |
141 | .name = "qcom-sm8350-lpass-lpi-pinctrl" , |
142 | .of_match_table = lpi_pinctrl_of_match, |
143 | }, |
144 | .probe = lpi_pinctrl_probe, |
145 | .remove_new = lpi_pinctrl_remove, |
146 | }; |
147 | module_platform_driver(lpi_pinctrl_driver); |
148 | |
149 | MODULE_AUTHOR("Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>" ); |
150 | MODULE_DESCRIPTION("QTI SM8350 LPI GPIO pin control driver" ); |
151 | MODULE_LICENSE("GPL" ); |
152 | |