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u-boot/arch/arm/dts/rk3288-veyron-minnie.dts
Simon Glass c420ef67e5 rockchip: Add support for veyron-minnie (ASUS Chromebook Flip) 
This adds support for the Asus Chromebook Flip, an RK3288-based clamshell
device which can flip into 'tablet' mode. The device tree file comes from
Linux v4.8. The SDRAM parameters are for 4GB Samsung LPDDR3.

Signed-off-by: Simon Glass <sjg@chromium.org>
2016-11-25 17:59:32 -07:00

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/*
* Google Veyron Minnie Rev 0+ board device tree source
*
* Copyright 2015 Google, Inc
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Or, alternatively,
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/dts-v1/;
#include "rk3288-veyron-chromebook.dtsi"
/ {
model = "Google Minnie";
compatible = "google,veyron-minnie-rev4", "google,veyron-minnie-rev3",
"google,veyron-minnie-rev2", "google,veyron-minnie-rev1",
"google,veyron-minnie-rev0", "google,veyron-minnie",
"google,veyron", "rockchip,rk3288";
backlight_regulator: backlight-regulator {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio2 12 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&bl_pwr_en>;
regulator-name = "backlight_regulator";
vin-supply = <&vcc33_sys>;
startup-delay-us = <15000>;
};
panel_regulator: panel-regulator {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio7 14 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&lcd_enable_h>;
regulator-name = "panel_regulator";
startup-delay-us = <100000>;
vin-supply = <&vcc33_sys>;
};
vcc18_lcd: vcc18-lcd {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&avdd_1v8_disp_en>;
regulator-name = "vcc18_lcd";
regulator-always-on;
regulator-boot-on;
vin-supply = <&vcc18_wl>;
};
};
&backlight {
/* Minnie panel PWM must be >= 1%, so start non-zero brightness at 3 */
brightness-levels = <
0 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
128 129 130 131 132 133 134 135
136 137 138 139 140 141 142 143
144 145 146 147 148 149 150 151
152 153 154 155 156 157 158 159
160 161 162 163 164 165 166 167
168 169 170 171 172 173 174 175
176 177 178 179 180 181 182 183
184 185 186 187 188 189 190 191
192 193 194 195 196 197 198 199
200 201 202 203 204 205 206 207
208 209 210 211 212 213 214 215
216 217 218 219 220 221 222 223
224 225 226 227 228 229 230 231
232 233 234 235 236 237 238 239
240 241 242 243 244 245 246 247
248 249 250 251 252 253 254 255>;
power-supply = <&backlight_regulator>;
};
&dmc {
rockchip,pctl-timing = <0x215 0xc8 0x0 0x35 0x26 0x2 0x70 0x2000d
0x6 0x0 0x8 0x4 0x17 0x24 0xd 0x6
0x4 0x8 0x4 0x76 0x4 0x0 0x30 0x0
0x1 0x2 0x2 0x4 0x0 0x0 0xc0 0x4
0x8 0x1f4>;
rockchip,phy-timing = <0x48d7dd93 0x187008d8 0x121076
0x0 0xc3 0x6 0x1>;
rockchip,sdram-params = <0x20d266a4 0x5b6 6 533000000 6 13 0>;
};
&emmc {
/delete-property/mmc-hs200-1_8v;
};
&gpio_keys {
pinctrl-0 = <&pwr_key_h &ap_lid_int_l &volum_down_l &volum_up_l>;
volum_down {
label = "Volum_down";
gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
linux,code = <KEY_VOLUMEDOWN>;
debounce-interval = <100>;
};
volum_up {
label = "Volum_up";
gpios = <&gpio5 10 GPIO_ACTIVE_LOW>;
linux,code = <KEY_VOLUMEUP>;
debounce-interval = <100>;
};
};
&i2c_tunnel {
battery: bq27500@55 {
compatible = "ti,bq27500";
reg = <0x55>;
};
};
&i2c3 {
status = "okay";
clock-frequency = <400000>;
i2c-scl-falling-time-ns = <50>;
i2c-scl-rising-time-ns = <300>;
touchscreen@10 {
compatible = "elan,ekth3500";
reg = <0x10>;
interrupt-parent = <&gpio2>;
interrupts = <14 IRQ_TYPE_EDGE_FALLING>;
pinctrl-names = "default";
pinctrl-0 = <&touch_int &touch_rst>;
reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>;
vcc33-supply = <&vcc33_touch>;
vccio-supply = <&vcc33_touch>;
};
};
&panel {
compatible = "auo,b101ean01", "simple-panel";
power-supply= <&panel_regulator>;
};
&rk808 {
pinctrl-names = "default";
pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;
regulators {
vcc33_touch: LDO_REG2 {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc33_touch";
regulator-state-mem {
regulator-off-in-suspend;
};
};
vcc5v_touch: SWITCH_REG2 {
regulator-name = "vcc5v_touch";
regulator-state-mem {
regulator-off-in-suspend;
};
};
};
};
&sdmmc {
disable-wp;
pinctrl-names = "default";
pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_gpio
&sdmmc_bus4>;
};
&vcc_5v {
enable-active-high;
gpio = <&gpio7 21 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&drv_5v>;
};
&vcc50_hdmi {
enable-active-high;
gpio = <&gpio5 19 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&vcc50_hdmi_en>;
};
&pinctrl {
backlight {
bl_pwr_en: bl_pwr_en {
rockchip,pins = <2 12 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
buck-5v {
drv_5v: drv-5v {
rockchip,pins = <7 21 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
buttons {
volum_down_l: volum-down-l {
rockchip,pins = <5 11 RK_FUNC_GPIO &pcfg_pull_up>;
};
volum_up_l: volum-up-l {
rockchip,pins = <5 10 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
hdmi {
vcc50_hdmi_en: vcc50-hdmi-en {
rockchip,pins = <5 19 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
lcd {
lcd_enable_h: lcd-en {
rockchip,pins = <7 14 RK_FUNC_GPIO &pcfg_pull_none>;
};
avdd_1v8_disp_en: avdd-1v8-disp-en {
rockchip,pins = <2 13 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
pmic {
dvs_1: dvs-1 {
rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_down>;
};
dvs_2: dvs-2 {
rockchip,pins = <7 15 RK_FUNC_GPIO &pcfg_pull_down>;
};
};
prochot {
gpio_prochot: gpio-prochot {
rockchip,pins = <2 8 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
touchscreen {
touch_int: touch-int {
rockchip,pins = <2 14 RK_FUNC_GPIO &pcfg_pull_none>;
};
touch_rst: touch-rst {
rockchip,pins = <2 15 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
};
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