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>
diff --git a/arch/arm/dts/rk3288-veyron-minnie.dts b/arch/arm/dts/rk3288-veyron-minnie.dts
new file mode 100644
index 0000000..0a2915f
--- /dev/null
+++ b/arch/arm/dts/rk3288-veyron-minnie.dts
@@ -0,0 +1,301 @@
+/*
+ * 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>;
+ };
+ };
+};