1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (C) 2013 Philipp Zabel 2 // Copyright (C) 2013 Philipp Zabel
3 3
4 /dts-v1/; 4 /dts-v1/;
5 #include <dt-bindings/gpio/gpio.h> 5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/input/input.h> 6 #include <dt-bindings/input/input.h>
7 #include "imx6q.dtsi" 7 #include "imx6q.dtsi"
8 8
9 / { 9 / {
10 model = "Zealz GK802"; 10 model = "Zealz GK802";
11 compatible = "zealz,imx6q-gk802", "fsl 11 compatible = "zealz,imx6q-gk802", "fsl,imx6q";
12 12
13 chosen { 13 chosen {
14 stdout-path = &uart4; 14 stdout-path = &uart4;
15 }; 15 };
16 16
17 memory@10000000 { 17 memory@10000000 {
18 device_type = "memory"; 18 device_type = "memory";
19 reg = <0x10000000 0x40000000>; 19 reg = <0x10000000 0x40000000>;
20 }; 20 };
21 21
22 reg_3p3v: regulator-3p3v { 22 reg_3p3v: regulator-3p3v {
23 compatible = "regulator-fixed" 23 compatible = "regulator-fixed";
24 regulator-name = "3P3V"; 24 regulator-name = "3P3V";
25 regulator-min-microvolt = <330 25 regulator-min-microvolt = <3300000>;
26 regulator-max-microvolt = <330 26 regulator-max-microvolt = <3300000>;
27 regulator-always-on; 27 regulator-always-on;
28 }; 28 };
29 29
30 gpio-keys { 30 gpio-keys {
31 compatible = "gpio-keys"; 31 compatible = "gpio-keys";
32 32
33 recovery-button { 33 recovery-button {
34 label = "recovery"; 34 label = "recovery";
35 gpios = <&gpio3 16 1>; 35 gpios = <&gpio3 16 1>;
36 linux,code = <KEY_REST 36 linux,code = <KEY_RESTART>;
37 wakeup-source; 37 wakeup-source;
38 }; 38 };
39 }; 39 };
40 }; 40 };
41 41
42 &hdmi { 42 &hdmi {
43 ddc-i2c-bus = <&i2c3>; 43 ddc-i2c-bus = <&i2c3>;
44 status = "okay"; 44 status = "okay";
45 }; 45 };
46 46
47 /* Internal I2C */ 47 /* Internal I2C */
48 &i2c2 { 48 &i2c2 {
49 pinctrl-names = "default"; 49 pinctrl-names = "default";
50 pinctrl-0 = <&pinctrl_i2c2>; 50 pinctrl-0 = <&pinctrl_i2c2>;
51 clock-frequency = <100000>; 51 clock-frequency = <100000>;
52 status = "okay"; 52 status = "okay";
53 53
54 /* SDMC DM2016 1024 bit EEPROM + 128 b 54 /* SDMC DM2016 1024 bit EEPROM + 128 bit OTP */
55 eeprom: dm2016@51 { 55 eeprom: dm2016@51 {
56 compatible = "sdmc,dm2016"; 56 compatible = "sdmc,dm2016";
57 reg = <0x51>; 57 reg = <0x51>;
58 }; 58 };
59 }; 59 };
60 60
61 /* External I2C via HDMI */ 61 /* External I2C via HDMI */
62 &i2c3 { 62 &i2c3 {
63 pinctrl-names = "default"; 63 pinctrl-names = "default";
64 pinctrl-0 = <&pinctrl_i2c3>; 64 pinctrl-0 = <&pinctrl_i2c3>;
65 clock-frequency = <100000>; 65 clock-frequency = <100000>;
66 status = "okay"; 66 status = "okay";
67 }; 67 };
68 68
69 &iomuxc { 69 &iomuxc {
70 pinctrl-names = "default"; 70 pinctrl-names = "default";
71 pinctrl-0 = <&pinctrl_hog>; 71 pinctrl-0 = <&pinctrl_hog>;
72 72
73 imx6q-gk802 { 73 imx6q-gk802 {
74 pinctrl_hog: hoggrp { 74 pinctrl_hog: hoggrp {
75 fsl,pins = < 75 fsl,pins = <
76 /* Recovery bu 76 /* Recovery button, active-low */
77 MX6QDL_PAD_EIM 77 MX6QDL_PAD_EIM_D16__GPIO3_IO16 0x100b1
78 /* RTL8192CU e 78 /* RTL8192CU enable GPIO, active-low */
79 MX6QDL_PAD_NAN 79 MX6QDL_PAD_NANDF_D0__GPIO2_IO00 0x1b0b0
80 >; 80 >;
81 }; 81 };
82 82
83 pinctrl_i2c2: i2c2grp { 83 pinctrl_i2c2: i2c2grp {
84 fsl,pins = < 84 fsl,pins = <
85 MX6QDL_PAD_KEY 85 MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
86 MX6QDL_PAD_KEY 86 MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
87 >; 87 >;
88 }; 88 };
89 89
90 pinctrl_i2c3: i2c3grp { 90 pinctrl_i2c3: i2c3grp {
91 fsl,pins = < 91 fsl,pins = <
92 MX6QDL_PAD_GPI 92 MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001b8b1
93 MX6QDL_PAD_GPI 93 MX6QDL_PAD_GPIO_16__I2C3_SDA 0x4001b8b1
94 >; 94 >;
95 }; 95 };
96 96
97 pinctrl_uart4: uart4grp { 97 pinctrl_uart4: uart4grp {
98 fsl,pins = < 98 fsl,pins = <
99 MX6QDL_PAD_KEY 99 MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
100 MX6QDL_PAD_KEY 100 MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
101 >; 101 >;
102 }; 102 };
103 103
104 pinctrl_usdhc3: usdhc3grp { 104 pinctrl_usdhc3: usdhc3grp {
105 fsl,pins = < 105 fsl,pins = <
106 MX6QDL_PAD_SD3 106 MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17059
107 MX6QDL_PAD_SD3 107 MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10059
108 MX6QDL_PAD_SD3 108 MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17059
109 MX6QDL_PAD_SD3 109 MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17059
110 MX6QDL_PAD_SD3 110 MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17059
111 MX6QDL_PAD_SD3 111 MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059
112 >; 112 >;
113 }; 113 };
114 114
115 pinctrl_usdhc4: usdhc4grp { 115 pinctrl_usdhc4: usdhc4grp {
116 fsl,pins = < 116 fsl,pins = <
117 MX6QDL_PAD_SD4 117 MX6QDL_PAD_SD4_CMD__SD4_CMD 0x17059
118 MX6QDL_PAD_SD4 118 MX6QDL_PAD_SD4_CLK__SD4_CLK 0x10059
119 MX6QDL_PAD_SD4 119 MX6QDL_PAD_SD4_DAT0__SD4_DATA0 0x17059
120 MX6QDL_PAD_SD4 120 MX6QDL_PAD_SD4_DAT1__SD4_DATA1 0x17059
121 MX6QDL_PAD_SD4 121 MX6QDL_PAD_SD4_DAT2__SD4_DATA2 0x17059
122 MX6QDL_PAD_SD4 122 MX6QDL_PAD_SD4_DAT3__SD4_DATA3 0x17059
123 >; 123 >;
124 }; 124 };
125 }; 125 };
126 }; 126 };
127 127
128 &uart2 { 128 &uart2 {
129 status = "okay"; 129 status = "okay";
130 }; 130 };
131 131
132 &uart4 { 132 &uart4 {
133 pinctrl-names = "default"; 133 pinctrl-names = "default";
134 pinctrl-0 = <&pinctrl_uart4>; 134 pinctrl-0 = <&pinctrl_uart4>;
135 status = "okay"; 135 status = "okay";
136 }; 136 };
137 137
138 /* External USB-A port (USBOTG) */ 138 /* External USB-A port (USBOTG) */
139 &usbotg { 139 &usbotg {
140 disable-over-current; 140 disable-over-current;
141 status = "okay"; 141 status = "okay";
142 }; 142 };
143 143
144 /* Internal USB port (USBH1), connected to RTL 144 /* Internal USB port (USBH1), connected to RTL8192CU */
145 &usbh1 { 145 &usbh1 {
146 disable-over-current; 146 disable-over-current;
147 status = "okay"; 147 status = "okay";
148 }; 148 };
149 149
150 /* External microSD */ 150 /* External microSD */
151 &usdhc3 { 151 &usdhc3 {
152 pinctrl-names = "default"; 152 pinctrl-names = "default";
153 pinctrl-0 = <&pinctrl_usdhc3>; 153 pinctrl-0 = <&pinctrl_usdhc3>;
154 bus-width = <4>; 154 bus-width = <4>;
155 cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW> 155 cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
156 vmmc-supply = <®_3p3v>; 156 vmmc-supply = <®_3p3v>;
157 status = "okay"; 157 status = "okay";
158 }; 158 };
159 159
160 /* Internal microSD */ 160 /* Internal microSD */
161 &usdhc4 { 161 &usdhc4 {
162 pinctrl-names = "default"; 162 pinctrl-names = "default";
163 pinctrl-0 = <&pinctrl_usdhc4>; 163 pinctrl-0 = <&pinctrl_usdhc4>;
164 bus-width = <4>; 164 bus-width = <4>;
165 vmmc-supply = <®_3p3v>; 165 vmmc-supply = <®_3p3v>;
166 status = "okay"; 166 status = "okay";
167 }; 167 };
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