1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /*
3 * Device Tree Source for the RZ SMARC Carrier-II Board.
4 *
5 * Copyright (C) 2023 Renesas Electronics Corp.
6 */
7
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
11
12 / {
13 aliases {
14 i2c0 = &i2c0;
15 serial0 = &scif0;
16 mmc1 = &sdhi1;
17 };
18
19 keys {
20 compatible = "gpio-keys";
21
22 key-1 {
23 interrupts = <RZG2L_GPIO(18, 0) IRQ_TYPE_EDGE_FALLING>;
24 interrupt-parent = <&pinctrl>;
25 linux,code = <KEY_1>;
26 label = "USER_SW1";
27 wakeup-source;
28 debounce-interval = <20>;
29 };
30
31 key-2 {
32 interrupts = <RZG2L_GPIO(0, 1) IRQ_TYPE_EDGE_FALLING>;
33 interrupt-parent = <&pinctrl>;
34 linux,code = <KEY_2>;
35 label = "USER_SW2";
36 wakeup-source;
37 debounce-interval = <20>;
38 };
39
40 key-3 {
41 interrupts = <RZG2L_GPIO(0, 3) IRQ_TYPE_EDGE_FALLING>;
42 interrupt-parent = <&pinctrl>;
43 linux,code = <KEY_3>;
44 label = "USER_SW3";
45 wakeup-source;
46 debounce-interval = <20>;
47 };
48 };
49
50 vcc_sdhi1: regulator-vcc-sdhi1 {
51 compatible = "regulator-fixed";
52 regulator-name = "SDHI1 Vcc";
53 regulator-min-microvolt = <3300000>;
54 regulator-max-microvolt = <3300000>;
55 gpios = <&pinctrl RZG2L_GPIO(2, 3) GPIO_ACTIVE_HIGH>;
56 enable-active-high;
57 };
58
59 vccq_sdhi1: regulator-vccq-sdhi1 {
60 compatible = "regulator-gpio";
61 regulator-name = "SDHI1 VccQ";
62 regulator-min-microvolt = <1800000>;
63 regulator-max-microvolt = <3300000>;
64 gpios = <&pinctrl RZG2L_GPIO(4, 2) GPIO_ACTIVE_HIGH>;
65 gpios-states = <1>;
66 states = <3300000 1>, <1800000 0>;
67 };
68 };
69
70 &i2c0 {
71 status = "okay";
72
73 clock-frequency = <1000000>;
74 };
75
76 &pinctrl {
77 key-1-gpio-hog {
78 gpio-hog;
79 gpios = <RZG2L_GPIO(18, 0) GPIO_ACTIVE_LOW>;
80 input;
81 line-name = "key-1-gpio-irq";
82 };
83
84 key-2-gpio-hog {
85 gpio-hog;
86 gpios = <RZG2L_GPIO(0, 1) GPIO_ACTIVE_LOW>;
87 input;
88 line-name = "key-2-gpio-irq";
89 };
90
91 key-3-gpio-hog {
92 gpio-hog;
93 gpios = <RZG2L_GPIO(0, 3) GPIO_ACTIVE_LOW>;
94 input;
95 line-name = "key-3-gpio-irq";
96 };
97
98 scif0_pins: scif0 {
99 pinmux = <RZG2L_PORT_PINMUX(6, 3, 1)>, /* RXD */
100 <RZG2L_PORT_PINMUX(6, 4, 1)>; /* TXD */
101 };
102
103 sdhi1_pins: sd1 {
104 data {
105 pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3";
106 power-source = <3300>;
107 };
108
109 ctrl {
110 pins = "SD1_CLK", "SD1_CMD";
111 power-source = <3300>;
112 };
113
114 cd {
115 pinmux = <RZG2L_PORT_PINMUX(0, 2, 1)>; /* SD1_CD */
116 };
117 };
118
119 sdhi1_pins_uhs: sd1-uhs {
120 data {
121 pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3";
122 power-source = <1800>;
123 };
124
125 ctrl {
126 pins = "SD1_CLK", "SD1_CMD";
127 power-source = <1800>;
128 };
129
130 cd {
131 pinmux = <RZG2L_PORT_PINMUX(0, 2, 1)>; /* SD1_CD */
132 };
133 };
134 };
135
136 &scif0 {
137 pinctrl-names = "default";
138 pinctrl-0 = <&scif0_pins>;
139 status = "okay";
140 };
141
142 &sdhi1 {
143 pinctrl-0 = <&sdhi1_pins>;
144 pinctrl-1 = <&sdhi1_pins_uhs>;
145 pinctrl-names = "default", "state_uhs";
146 vmmc-supply = <&vcc_sdhi1>;
147 vqmmc-supply = <&vccq_sdhi1>;
148 bus-width = <4>;
149 sd-uhs-sdr50;
150 sd-uhs-sdr104;
151 max-frequency = <125000000>;
152 status = "okay";
153 };
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