1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Roseapple Pi
*
* Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
*/
/dts-v1/;
#include "owl-s500.dtsi"
/ {
compatible = "roseapplepi,roseapplepi", "actions,s500";
model = "Roseapple Pi";
aliases {
mmc0 = &mmc0;
serial2 = &uart2;
};
chosen {
stdout-path = "serial2:115200n8";
};
memory@0 {
device_type = "memory";
reg = <0x0 0x80000000>; /* 2GB */
};
/* Fixed regulator used in the absence of PMIC */
sd_vcc: sd-vcc {
compatible = "regulator-fixed";
regulator-name = "fixed-3.1V";
regulator-min-microvolt = <3100000>;
regulator-max-microvolt = <3100000>;
regulator-always-on;
};
};
&i2c0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
};
&i2c1 {
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
};
&i2c2 {
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins>;
};
&pinctrl {
i2c0_pins: i2c0-pins {
pinmux {
groups = "i2c0_mfp";
function = "i2c0";
};
pinconf {
pins = "i2c0_sclk", "i2c0_sdata";
bias-pull-up;
};
};
i2c1_pins: i2c1-pins {
pinconf {
pins = "i2c1_sclk", "i2c1_sdata";
bias-pull-up;
};
};
i2c2_pins: i2c2-pins {
pinconf {
pins = "i2c2_sclk", "i2c2_sdata";
bias-pull-up;
};
};
mmc0_pins: mmc0-pins {
pinmux {
groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp",
"sd0_cmd_mfp", "sd0_clk_mfp";
function = "sd0";
};
drv-pinconf {
groups = "sd0_d0_d3_drv", "sd0_cmd_drv", "sd0_clk_drv";
drive-strength = <8>;
};
bias0-pinconf {
pins = "sd0_d0", "sd0_d1", "sd0_d2",
"sd0_d3", "sd0_cmd";
bias-pull-up;
};
bias1-pinconf {
pins = "sd0_clk";
bias-pull-down;
};
};
};
/* uSD */
&mmc0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins>;
no-sdio;
no-mmc;
no-1-8-v;
cd-gpios = <&pinctrl 117 GPIO_ACTIVE_LOW>;
bus-width = <4>;
vmmc-supply = <&sd_vcc>;
vqmmc-supply = <&sd_vcc>;
};
&twd_timer {
status = "okay";
};
&timer {
clocks = <&hosc>;
};
&uart2 {
status = "okay";
};
|