1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2016 Socionext Inc.
4  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <dm/pinctrl.h>
10 
11 #include "pinctrl-uniphier.h"
12 
13 static const struct uniphier_pinctrl_pin uniphier_ld20_pins[] = {
14 	UNIPHIER_PINCTRL_PIN(40, "RGMII_TXCLK", 28, UNIPHIER_PIN_DRV_3BIT),
15 	UNIPHIER_PINCTRL_PIN(41, "RGMII_TXD0", 29, UNIPHIER_PIN_DRV_3BIT),
16 	UNIPHIER_PINCTRL_PIN(42, "RGMII_TXD1", 30, UNIPHIER_PIN_DRV_3BIT),
17 	UNIPHIER_PINCTRL_PIN(43, "RGMII_TXD2", 31, UNIPHIER_PIN_DRV_3BIT),
18 	UNIPHIER_PINCTRL_PIN(44, "RGMII_TXD3", 32, UNIPHIER_PIN_DRV_3BIT),
19 	UNIPHIER_PINCTRL_PIN(45, "RGMII_TXCTL", 33, UNIPHIER_PIN_DRV_3BIT),
20 };
21 
22 static const unsigned emmc_pins[] = {18, 19, 20, 21, 22, 23, 24, 25};
23 static const int emmc_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0};
24 static const unsigned emmc_dat8_pins[] = {26, 27, 28, 29};
25 static const int emmc_dat8_muxvals[] = {0, 0, 0, 0};
26 static const unsigned ether_rgmii_pins[] = {30, 31, 32, 33, 34, 35, 36, 37, 38,
27 					    39, 40, 41, 42, 43, 44, 45};
28 static const int ether_rgmii_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
29 					  0, 0, 0, 0};
30 static const unsigned ether_rmii_pins[] = {30, 31, 32, 33, 34, 35, 36, 37, 39,
31 					   41, 42, 45};
32 static const int ether_rmii_muxvals[] = {0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1};
33 static const unsigned i2c0_pins[] = {63, 64};
34 static const int i2c0_muxvals[] = {0, 0};
35 static const unsigned i2c1_pins[] = {65, 66};
36 static const int i2c1_muxvals[] = {0, 0};
37 static const unsigned i2c3_pins[] = {67, 68};
38 static const int i2c3_muxvals[] = {1, 1};
39 static const unsigned i2c4_pins[] = {61, 62};
40 static const int i2c4_muxvals[] = {1, 1};
41 static const unsigned nand_pins[] = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
42 				     15, 16, 17};
43 static const int nand_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
44 static const unsigned sd_pins[] = {10, 11, 12, 13, 14, 15, 16, 17};
45 static const int sd_muxvals[] = {3, 3, 3, 3, 3, 3, 3, 3};  /* No SDVOLC */
46 static const unsigned system_bus_pins[] = {1, 2, 6, 7, 8, 9, 10, 11, 12, 13,
47 					   14, 15, 16, 17};
48 static const int system_bus_muxvals[] = {0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
49 					 2};
50 static const unsigned system_bus_cs1_pins[] = {0};
51 static const int system_bus_cs1_muxvals[] = {0};
52 static const unsigned uart0_pins[] = {54, 55};
53 static const int uart0_muxvals[] = {0, 0};
54 static const unsigned uart1_pins[] = {58, 59};
55 static const int uart1_muxvals[] = {1, 1};
56 static const unsigned uart2_pins[] = {90, 91};
57 static const int uart2_muxvals[] = {1, 1};
58 static const unsigned uart3_pins[] = {94, 95};
59 static const int uart3_muxvals[] = {1, 1};
60 static const unsigned usb0_pins[] = {46, 47};
61 static const int usb0_muxvals[] = {0, 0};
62 static const unsigned usb1_pins[] = {48, 49};
63 static const int usb1_muxvals[] = {0, 0};
64 static const unsigned usb2_pins[] = {50, 51};
65 static const int usb2_muxvals[] = {0, 0};
66 static const unsigned usb3_pins[] = {52, 53};
67 static const int usb3_muxvals[] = {0, 0};
68 
69 static const struct uniphier_pinctrl_group uniphier_ld20_groups[] = {
70 	UNIPHIER_PINCTRL_GROUP(emmc),
71 	UNIPHIER_PINCTRL_GROUP(emmc_dat8),
72 	UNIPHIER_PINCTRL_GROUP(ether_rgmii),
73 	UNIPHIER_PINCTRL_GROUP(ether_rmii),
74 	UNIPHIER_PINCTRL_GROUP(i2c0),
75 	UNIPHIER_PINCTRL_GROUP(i2c1),
76 	UNIPHIER_PINCTRL_GROUP(i2c3),
77 	UNIPHIER_PINCTRL_GROUP(i2c4),
78 	UNIPHIER_PINCTRL_GROUP(nand),
79 	UNIPHIER_PINCTRL_GROUP(sd),
80 	UNIPHIER_PINCTRL_GROUP(system_bus),
81 	UNIPHIER_PINCTRL_GROUP(system_bus_cs1),
82 	UNIPHIER_PINCTRL_GROUP(uart0),
83 	UNIPHIER_PINCTRL_GROUP(uart1),
84 	UNIPHIER_PINCTRL_GROUP(uart2),
85 	UNIPHIER_PINCTRL_GROUP(uart3),
86 	UNIPHIER_PINCTRL_GROUP(usb0),
87 	UNIPHIER_PINCTRL_GROUP(usb1),
88 	UNIPHIER_PINCTRL_GROUP(usb2),
89 	UNIPHIER_PINCTRL_GROUP(usb3),
90 };
91 
92 static const char * const uniphier_ld20_functions[] = {
93 	UNIPHIER_PINMUX_FUNCTION(emmc),
94 	UNIPHIER_PINMUX_FUNCTION(ether_rgmii),
95 	UNIPHIER_PINMUX_FUNCTION(ether_rmii),
96 	UNIPHIER_PINMUX_FUNCTION(i2c0),
97 	UNIPHIER_PINMUX_FUNCTION(i2c1),
98 	UNIPHIER_PINMUX_FUNCTION(i2c3),
99 	UNIPHIER_PINMUX_FUNCTION(i2c4),
100 	UNIPHIER_PINMUX_FUNCTION(nand),
101 	UNIPHIER_PINMUX_FUNCTION(sd),
102 	UNIPHIER_PINMUX_FUNCTION(system_bus),
103 	UNIPHIER_PINMUX_FUNCTION(uart0),
104 	UNIPHIER_PINMUX_FUNCTION(uart1),
105 	UNIPHIER_PINMUX_FUNCTION(uart2),
106 	UNIPHIER_PINMUX_FUNCTION(uart3),
107 	UNIPHIER_PINMUX_FUNCTION(usb0),
108 	UNIPHIER_PINMUX_FUNCTION(usb1),
109 	UNIPHIER_PINMUX_FUNCTION(usb2),
110 	UNIPHIER_PINMUX_FUNCTION(usb3),
111 };
112 
113 static struct uniphier_pinctrl_socdata uniphier_ld20_pinctrl_socdata = {
114 	.pins = uniphier_ld20_pins,
115 	.pins_count = ARRAY_SIZE(uniphier_ld20_pins),
116 	.groups = uniphier_ld20_groups,
117 	.groups_count = ARRAY_SIZE(uniphier_ld20_groups),
118 	.functions = uniphier_ld20_functions,
119 	.functions_count = ARRAY_SIZE(uniphier_ld20_functions),
120 	.caps = UNIPHIER_PINCTRL_CAPS_PUPD_SIMPLE |
121 		UNIPHIER_PINCTRL_CAPS_PERPIN_IECTRL,
122 };
123 
124 static int uniphier_ld20_pinctrl_probe(struct udevice *dev)
125 {
126 	return uniphier_pinctrl_probe(dev, &uniphier_ld20_pinctrl_socdata);
127 }
128 
129 static const struct udevice_id uniphier_ld20_pinctrl_match[] = {
130 	{ .compatible = "socionext,uniphier-ld20-pinctrl" },
131 	{ /* sentinel */ }
132 };
133 
134 U_BOOT_DRIVER(uniphier_ld20_pinctrl) = {
135 	.name = "uniphier-ld20-pinctrl",
136 	.id = UCLASS_PINCTRL,
137 	.of_match = of_match_ptr(uniphier_ld20_pinctrl_match),
138 	.probe = uniphier_ld20_pinctrl_probe,
139 	.priv_auto_alloc_size = sizeof(struct uniphier_pinctrl_priv),
140 	.ops = &uniphier_pinctrl_ops,
141 };
142