This source file includes following definitions.
- tegra194_pinctrl_probe
- tegra194_pinctrl_init
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17 #include <linux/init.h>
18 #include <linux/of.h>
19 #include <linux/platform_device.h>
20 #include <linux/pinctrl/pinctrl.h>
21 #include <linux/pinctrl/pinmux.h>
22
23 #include "pinctrl-tegra.h"
24
25
26 enum pin_id {
27 TEGRA_PIN_PEX_L5_CLKREQ_N_PGG0 = 256,
28 TEGRA_PIN_PEX_L5_RST_N_PGG1 = 257,
29 TEGRA_PIN_NUM_GPIOS = 258,
30 };
31
32
33 static const struct pinctrl_pin_desc tegra194_pins[] = {
34 PINCTRL_PIN(TEGRA_PIN_PEX_L5_CLKREQ_N_PGG0,
35 "TEGRA_PIN_PEX_L5_CLKREQ_N_PGG0"),
36 PINCTRL_PIN(TEGRA_PIN_PEX_L5_RST_N_PGG1,
37 "TEGRA_PIN_PEX_L5_RST_N_PGG1"),
38 };
39
40 static const unsigned int pex_l5_clkreq_n_pgg0_pins[] = {
41 TEGRA_PIN_PEX_L5_CLKREQ_N_PGG0,
42 };
43
44 static const unsigned int pex_l5_rst_n_pgg1_pins[] = {
45 TEGRA_PIN_PEX_L5_RST_N_PGG1,
46 };
47
48
49 enum tegra_mux_dt {
50 TEGRA_MUX_RSVD0,
51 TEGRA_MUX_RSVD1,
52 TEGRA_MUX_RSVD2,
53 TEGRA_MUX_RSVD3,
54 TEGRA_MUX_PE5,
55 };
56
57
58 #define TEGRA_PIN_FUNCTION(lid) \
59 { \
60 .name = #lid, \
61 }
62 static struct tegra_function tegra194_functions[] = {
63 TEGRA_PIN_FUNCTION(rsvd0),
64 TEGRA_PIN_FUNCTION(rsvd1),
65 TEGRA_PIN_FUNCTION(rsvd2),
66 TEGRA_PIN_FUNCTION(rsvd3),
67 TEGRA_PIN_FUNCTION(pe5),
68 };
69
70 #define DRV_PINGROUP_ENTRY_Y(r, drvdn_b, drvdn_w, drvup_b, \
71 drvup_w, slwr_b, slwr_w, slwf_b, \
72 slwf_w, bank) \
73 .drv_reg = ((r)), \
74 .drv_bank = bank, \
75 .drvdn_bit = drvdn_b, \
76 .drvdn_width = drvdn_w, \
77 .drvup_bit = drvup_b, \
78 .drvup_width = drvup_w, \
79 .slwr_bit = slwr_b, \
80 .slwr_width = slwr_w, \
81 .slwf_bit = slwf_b, \
82 .slwf_width = slwf_w
83
84 #define PIN_PINGROUP_ENTRY_Y(r, bank, pupd, e_lpbk, e_input, \
85 e_od, schmitt_b, drvtype) \
86 .mux_reg = ((r)), \
87 .lpmd_bit = -1, \
88 .lock_bit = -1, \
89 .hsm_bit = -1, \
90 .mux_bank = bank, \
91 .mux_bit = 0, \
92 .pupd_reg = ((r)), \
93 .pupd_bank = bank, \
94 .pupd_bit = 2, \
95 .tri_reg = ((r)), \
96 .tri_bank = bank, \
97 .tri_bit = 4, \
98 .einput_bit = e_input, \
99 .odrain_bit = e_od, \
100 .schmitt_bit = schmitt_b, \
101 .drvtype_bit = 13, \
102 .drv_reg = -1, \
103 .parked_bitmask = 0
104
105 #define drive_pex_l5_clkreq_n_pgg0 \
106 DRV_PINGROUP_ENTRY_Y(0x14004, 12, 5, 20, 5, -1, -1, -1, -1, 0)
107 #define drive_pex_l5_rst_n_pgg1 \
108 DRV_PINGROUP_ENTRY_Y(0x1400c, 12, 5, 20, 5, -1, -1, -1, -1, 0)
109
110 #define PINGROUP(pg_name, f0, f1, f2, f3, r, bank, pupd, e_lpbk, \
111 e_input, e_lpdr, e_od, schmitt_b, drvtype, io_rail) \
112 { \
113 .name = #pg_name, \
114 .pins = pg_name##_pins, \
115 .npins = ARRAY_SIZE(pg_name##_pins), \
116 .funcs = { \
117 TEGRA_MUX_##f0, \
118 TEGRA_MUX_##f1, \
119 TEGRA_MUX_##f2, \
120 TEGRA_MUX_##f3, \
121 }, \
122 PIN_PINGROUP_ENTRY_Y(r, bank, pupd, e_lpbk, \
123 e_input, e_od, \
124 schmitt_b, drvtype), \
125 drive_##pg_name, \
126 }
127
128 static const struct tegra_pingroup tegra194_groups[] = {
129 PINGROUP(pex_l5_clkreq_n_pgg0, PE5, RSVD1, RSVD2, RSVD3, 0x14000, 0,
130 Y, -1, 6, 8, 11, 12, N, "vddio_pex_ctl_2"),
131 PINGROUP(pex_l5_rst_n_pgg1, PE5, RSVD1, RSVD2, RSVD3, 0x14008, 0,
132 Y, -1, 6, 8, 11, 12, N, "vddio_pex_ctl_2"),
133 };
134
135 static const struct tegra_pinctrl_soc_data tegra194_pinctrl = {
136 .ngpios = TEGRA_PIN_NUM_GPIOS,
137 .pins = tegra194_pins,
138 .npins = ARRAY_SIZE(tegra194_pins),
139 .functions = tegra194_functions,
140 .nfunctions = ARRAY_SIZE(tegra194_functions),
141 .groups = tegra194_groups,
142 .ngroups = ARRAY_SIZE(tegra194_groups),
143 .hsm_in_mux = true,
144 .schmitt_in_mux = true,
145 .drvtype_in_mux = true,
146 };
147
148 static int tegra194_pinctrl_probe(struct platform_device *pdev)
149 {
150 return tegra_pinctrl_probe(pdev, &tegra194_pinctrl);
151 }
152
153 static const struct of_device_id tegra194_pinctrl_of_match[] = {
154 { .compatible = "nvidia,tegra194-pinmux", },
155 { },
156 };
157
158 static struct platform_driver tegra194_pinctrl_driver = {
159 .driver = {
160 .name = "tegra194-pinctrl",
161 .of_match_table = tegra194_pinctrl_of_match,
162 },
163 .probe = tegra194_pinctrl_probe,
164 };
165
166 static int __init tegra194_pinctrl_init(void)
167 {
168 return platform_driver_register(&tegra194_pinctrl_driver);
169 }
170 arch_initcall(tegra194_pinctrl_init);