1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2
3 /dts-v1/;
4
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/input/linux-event-codes.h>
7 #include <dt-bindings/pinctrl/rockchip.h>
8 #include "rk3566-anbernic-rg353x.dtsi"
9
10 / {
11 model = "Anbernic RG353P";
12 compatible = "anbernic,rg353p", "rockchip,rk3566";
13
14 aliases {
15 mmc0 = &sdhci;
16 mmc1 = &sdmmc0;
17 mmc2 = &sdmmc1;
18 mmc3 = &sdmmc2;
19 };
20
21 battery: battery {
22 compatible = "simple-battery";
23 charge-full-design-microamp-hours = <3472000>;
24 charge-term-current-microamp = <300000>;
25 constant-charge-current-max-microamp = <2000000>;
26 constant-charge-voltage-max-microvolt = <4200000>;
27 factory-internal-resistance-micro-ohms = <117000>;
28 voltage-max-design-microvolt = <4172000>;
29 voltage-min-design-microvolt = <3400000>;
30
31 ocv-capacity-celsius = <20>;
32 ocv-capacity-table-0 = <4172000 100>, <4054000 95>, <3984000 90>, <3926000 85>,
33 <3874000 80>, <3826000 75>, <3783000 70>, <3746000 65>,
34 <3714000 60>, <3683000 55>, <3650000 50>, <3628000 45>,
35 <3612000 40>, <3600000 35>, <3587000 30>, <3571000 25>,
36 <3552000 20>, <3525000 15>, <3492000 10>, <3446000 5>,
37 <3400000 0>;
38 };
39
40 /* Channels reversed for both headphones and speakers. */
41 sound {
42 compatible = "simple-audio-card";
43 simple-audio-card,name = "rk817_ext";
44 simple-audio-card,aux-devs = <&spk_amp>;
45 simple-audio-card,format = "i2s";
46 simple-audio-card,hp-det-gpio = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
47 simple-audio-card,mclk-fs = <256>;
48 simple-audio-card,widgets =
49 "Microphone", "Mic Jack",
50 "Headphone", "Headphones",
51 "Speaker", "Internal Speakers";
52 simple-audio-card,routing =
53 "MICL", "Mic Jack",
54 "Headphones", "HPOL",
55 "Headphones", "HPOR",
56 "Internal Speakers", "Speaker Amp OUTL",
57 "Internal Speakers", "Speaker Amp OUTR",
58 "Speaker Amp INL", "HPOL",
59 "Speaker Amp INR", "HPOR";
60 simple-audio-card,pin-switches = "Internal Speakers";
61
62 simple-audio-card,codec {
63 sound-dai = <&rk817>;
64 };
65
66 simple-audio-card,cpu {
67 sound-dai = <&i2s1_8ch>;
68 };
69 };
70
71 spk_amp: audio-amplifier {
72 compatible = "simple-audio-amplifier";
73 enable-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_HIGH>;
74 pinctrl-0 = <&spk_amp_enable_h>;
75 pinctrl-names = "default";
76 sound-name-prefix = "Speaker Amp";
77 };
78 };
79
80 &gpio_keys_control {
81 button-r1 {
82 gpios = <&gpio3 RK_PB4 GPIO_ACTIVE_LOW>;
83 label = "TR";
84 linux,code = <BTN_TR>;
85 };
86
87 button-r2 {
88 gpios = <&gpio3 RK_PB3 GPIO_ACTIVE_LOW>;
89 label = "TR2";
90 linux,code = <BTN_TR2>;
91 };
92 };
93
94 &i2c2 {
95 pinctrl-names = "default";
96 pinctrl-0 = <&i2c2m1_xfer>;
97 status = "okay";
98
99 touch@1a {
100 compatible = "hynitron,cst340";
101 reg = <0x1a>;
102 interrupt-parent = <&gpio4>;
103 interrupts = <RK_PB1 IRQ_TYPE_EDGE_FALLING>;
104 pinctrl-0 = <&touch_rst>;
105 pinctrl-names = "default";
106 reset-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_LOW>;
107 touchscreen-size-x = <640>;
108 touchscreen-size-y = <480>;
109 };
110 };
111
112 &pinctrl {
113 audio-amplifier {
114 spk_amp_enable_h: spk-amp-enable-h {
115 rockchip,pins =
116 <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
117 };
118 };
119
120 touch {
121 touch_rst: touch-rst {
122 rockchip,pins =
123 <4 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
124 };
125 };
126 };
127
128 &rk817 {
129 rk817_charger: charger {
130 monitored-battery = <&battery>;
131 rockchip,resistor-sense-micro-ohms = <10000>;
132 rockchip,sleep-enter-current-microamp = <300000>;
133 rockchip,sleep-filter-current-microamp = <100000>;
134 };
135 };
136
137 &sdhci {
138 pinctrl-0 = <&emmc_bus8>, <&emmc_clk>, <&emmc_cmd>, <&emmc_datastrobe>, <&emmc_rstnout>;
139 pinctrl-names = "default";
140 bus-width = <8>;
141 mmc-hs200-1_8v;
142 non-removable;
143 vmmc-supply = <&vcc_3v3>;
144 vqmmc-supply = <&vcc_1v8>;
145 status = "okay";
146 };
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