ARM64: dts: rockchip: support the gru/kevin boards for rk3399 SoCs
authorDouglas Anderson <dianders@chromium.org>
Thu, 24 Mar 2016 21:56:49 +0000 (14:56 -0700)
committerCaesar Wang <wxt@rock-chips.com>
Thu, 31 Mar 2016 00:34:13 +0000 (08:34 +0800)
This initial patch adds to support the gru/kevin board for rk3399 SoCs.

It builds at least:
  make -j32 ARCH=arm64 CROSS_COMPILE=aarch64-cros-linux-gnu- dtbs

Change-Id: I7f3841513da130c107aca0d6b393b2bf269a5396
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
arch/arm64/boot/dts/rockchip/Makefile
arch/arm64/boot/dts/rockchip/rk3399-gru-gru.dts [new file with mode: 0644]
arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts [new file with mode: 0644]
arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi [new file with mode: 0644]

index 972df23f6022a9e5d55b420a5fe14c43df70068b..7acc0d85bf97b51ff7161737422ed56dd3353f9c 100644 (file)
@@ -4,6 +4,8 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-r88.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-tb-sheep.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-chrome.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-fpga.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-gru-gru.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-gru-kevin.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-monkey.dtb
 
 always         := $(dtb-y)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-gru.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-gru.dts
new file mode 100644 (file)
index 0000000..9be8a8c
--- /dev/null
@@ -0,0 +1,141 @@
+/*
+ * Google Gru-Gru Rev 0+ board device tree source
+ *
+ * Copyright 2016 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 "rk3399-gru.dtsi"
+
+/ {
+       model = "Google Gru";
+       compatible = "google,gru-rev15", "google,gru-rev14",
+                    "google,gru-rev13", "google,gru-rev12",
+                    "google,gru-rev11", "google,gru-rev10",
+                    "google,gru-rev9", "google,gru-rev8",
+                    "google,gru-rev7", "google,gru-rev6",
+                    "google,gru-rev5", "google,gru-rev4",
+                    "google,gru-rev3", "google,gru-rev2",
+                    "google,gru-rev1", "google,gru-rev0",
+                    "google,gru", "google,veyron", "rockchip,rk3399";
+
+       /* pp1800 children */
+
+       pp1800_fp: pp1800-fp {
+               compatible = "regulator-fixed";
+               regulator-name = "pp1800_fp";
+               pinctrl-names = "default";
+               pinctrl-0 = <&fp_en>;
+
+               enable-active-high;
+               gpio = <&gpio1 1 GPIO_ACTIVE_HIGH>;
+
+               regulator-always-on;
+               regulator-boot-on;
+
+               vin-supply = <&pp1800>;
+       };
+
+       /* pp3300 children */
+
+       pp3300_fp: pp3300-fp {
+               compatible = "regulator-fixed";
+               regulator-name = "pp3300_fp";
+               /* NOTE: fp_en pinctrl in pp1800_fp */
+
+               enable-active-high;
+               gpio = <&gpio1 1 GPIO_ACTIVE_HIGH>;
+
+               regulator-always-on;
+               regulator-boot-on;
+
+               vin-supply = <&pp3300>;
+       };
+};
+
+ap_i2c_dvs: &i2c0 {
+       status = "okay";
+
+       // TODO: bus speed
+       //       ...with no speed, it should just use 100kHz
+       // TODO: rise / fall times?
+
+       /* LP8556 */
+       backlight@2c {
+               compatible = "ti,lp8556";
+               reg = <0x2c>;
+
+               bl-name = "lcd-bl";
+               dev-ctrl = /bits/ 8 <0x85>;
+               init-brt = /bits/ 8 <0x10>;
+
+               power-supply = <&pp3300_disp>;
+       };
+};
+
+ap_i2c_cam: &i2c2 {
+       status = "okay";
+};
+
+ap_i2c_nfc: &i2c7 {
+       status = "okay";
+};
+
+&spi4 {
+       status = "okay";
+
+       fingerprint@0 {
+               compatible = "spidev";
+               spi-max-frequency = <10000000>;
+               reg = <0>;
+       };
+};
+
+/* PINCTRL: always below everything else */
+
+&pinctrl {
+       discrete-regulators {
+               fp_en: fp-en {
+                       rockchip,pins = <RK_GPIO1 1 RK_FUNC_GPIO
+                                        &pcfg_pull_none>;
+               };
+       };
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
new file mode 100644 (file)
index 0000000..ba46cb0
--- /dev/null
@@ -0,0 +1,60 @@
+/*
+ * Google Gru-Kevin Rev 0+ board device tree source
+ *
+ * Copyright 2016 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 "rk3399-gru.dtsi"
+
+/ {
+       model = "Google Kevin";
+       compatible = "google,kevin-rev15", "google,kevin-rev14",
+                    "google,kevin-rev13", "google,kevin-rev12",
+                    "google,kevin-rev11", "google,kevin-rev10",
+                    "google,kevin-rev9", "google,kevin-rev8",
+                    "google,kevin-rev7", "google,kevin-rev6",
+                    "google,kevin-rev5", "google,kevin-rev4",
+                    "google,kevin-rev3", "google,kevin-rev2",
+                    "google,kevin-rev1", "google,kevin-rev0",
+                    "google,kevin", "google,veyron", "rockchip,rk3399";
+};
+
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
new file mode 100644 (file)
index 0000000..01b7508
--- /dev/null
@@ -0,0 +1,804 @@
+/*
+ * Google Gru (and derivatives) board device tree source
+ *
+ * Copyright 2016 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.
+ */
+
+#include <dt-bindings/pwm/pwm.h>
+#include "rk3399.dtsi"
+
+/ {
+       /*
+        * Power Tree
+        *
+        * In general an attempt is made to include all rails called out by
+        * the schematic as long as those rails interact in some way with
+        * the AP.  AKA:
+        * - Rails that only connect to the EC (or devices that the EC talks to)
+        *   are not included.
+        * - Rails _are_ included if the rails go to the AP even if the AP
+        *   doesn't currently care about them / they are always on.  The idea
+        *   here is that it makes it easier to map to the schematic or extend
+        *   later.
+        *
+        * If two rails are substantially the same from the AP's point of
+        * view, though, we won't create a full fixed regulator.  We'll just
+        * put the child rail as an alias of the parent rail.  Sometimes rails
+        * look the same to the AP because one of these is true:
+        * - The EC controls the enable and the EC always enables a rail as
+        *   long as the AP is running.
+        * - The rails are actually connected to each other by a jumper and
+        *   the distinction is just there to add clarity/flexibility to the
+        *   schematic.
+        */
+
+       /* parentless regulators */
+
+       ppvar_sys: ppvar-sys {
+               compatible = "regulator-fixed";
+               regulator-name = "ppvar_sys";
+               regulator-always-on;
+               regulator-boot-on;
+       };
+
+       /* ppvar_sys children, sorted by name */
+
+       pp900_ap: pp900-ap {
+               compatible = "regulator-fixed";
+               regulator-name = "pp900_ap";
+
+               /* EC turns on w/ pp900_ap_en; always on for AP */
+               regulator-always-on;
+               regulator-boot-on;
+
+               regulator-min-microvolt = <900000>;
+               regulator-max-microvolt = <900000>;
+
+               vin-supply = <&ppvar_sys>;
+       };
+
+       pp1200_lpddr: pp1200-lpddr {
+               compatible = "regulator-fixed";
+               regulator-name = "pp1200_lpddr";
+
+               /* EC turns on w/ lpddr_pwr_en; always on for AP */
+               regulator-always-on;
+               regulator-boot-on;
+
+               regulator-min-microvolt = <1200000>;
+               regulator-max-microvolt = <1200000>;
+
+               vin-supply = <&ppvar_sys>;
+       };
+
+       pp1800: pp1800 {
+               compatible = "regulator-fixed";
+               regulator-name = "pp1800";
+
+               /* Always on when ppvar_sys shows power good */
+               regulator-always-on;
+               regulator-boot-on;
+
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&ppvar_sys>;
+       };
+
+       pp3000: pp3000 {
+               compatible = "regulator-fixed";
+               regulator-name = "pp3000";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pp3000_en>;
+
+               enable-active-high;
+               gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
+
+               regulator-always-on;
+               regulator-boot-on;
+
+               regulator-min-microvolt = <3000000>;
+               regulator-max-microvolt = <3000000>;
+
+               vin-supply = <&ppvar_sys>;
+       };
+
+       pp3300: pp3300 {
+               compatible = "regulator-fixed";
+               regulator-name = "pp3300";
+
+               /* Always on; plain and simple */
+               regulator-always-on;
+               regulator-boot-on;
+
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               vin-supply = <&ppvar_sys>;
+       };
+
+       pp5000: pp5000 {
+               compatible = "regulator-fixed";
+               regulator-name = "pp5000";
+
+               /* EC turns on w/ pp5000_en; always on for AP */
+               regulator-always-on;
+               regulator-boot-on;
+
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+
+               vin-supply = <&ppvar_sys>;
+       };
+
+       ppvar_bigcpu: ppvar-bigcpu {
+               compatible = "pwm-regulator";
+               regulator-name = "ppvar_bigcpu";
+               status = "okay";
+
+               pwms = <&pwm1 0 1000>;
+
+               /* EC turns on w/ ap_core_en; always on for AP */
+               regulator-always-on;
+
+               regulator-min-microvolt = <800000>;
+               regulator-max-microvolt = <1500000>;
+
+               vin-supply = <&ppvar_sys>;
+       };
+
+       ppvar_litcpu: ppvar-litcpu {
+               compatible = "pwm-regulator";
+               regulator-name = "ppvar_litcpu";
+               status = "okay";
+
+               pwms = <&pwm2 0 1000>;
+
+               /* EC turns on w/ ap_core_en; always on for AP */
+               regulator-always-on;
+
+               regulator-min-microvolt = <800000>;
+               regulator-max-microvolt = <1500000>;
+
+               vin-supply = <&ppvar_sys>;
+       };
+
+       ppvar_gpu: ppvar-gpu {
+               compatible = "pwm-regulator";
+               regulator-name = "ppvar_gpu";
+               status = "okay";
+
+               pwms = <&pwm0 0 1000>;
+
+               /* EC turns on w/ ap_core_en; always on for AP */
+               regulator-always-on;
+
+               regulator-min-microvolt = <800000>;
+               regulator-max-microvolt = <1500000>;
+
+               vin-supply = <&ppvar_sys>;
+       };
+
+       ppvar_centerlogic: ppvar-centerlogic {
+               compatible = "pwm-regulator";
+               regulator-name = "ppvar_centerlogic";
+               status = "okay";
+
+               pwms = <&pwm3 0 1000>;
+
+               /* EC turns on w/ ppvar_centerlogic_en; always on for AP */
+               regulator-always-on;
+
+               regulator-min-microvolt = <800000>;
+               regulator-max-microvolt = <1500000>;
+
+               vin-supply = <&ppvar_sys>;
+       };
+
+       /* Schematics call this PPVAR even though it's fixed */
+       ppvar_logic: ppvar-logic {
+               compatible = "regulator-fixed";
+               regulator-name = "ppvar_logic";
+
+               /* EC turns on w/ ppvar_logic_en; always on for AP */
+               regulator-always-on;
+               regulator-boot-on;
+
+               regulator-min-microvolt = <900000>;
+               regulator-max-microvolt = <900000>;
+
+               vin-supply = <&ppvar_sys>;
+       };
+
+       /* pp900_ap aliases; these are always on for AP so just use alias */
+
+       /* EC turns on w/ pp900_ddrpll_en */
+       pp900_ddrpll: pp900_ap {
+       };
+
+       /* EC turns on w/ pp900_pcie_en */
+       pp900_pcie: pp900_ap {
+       };
+
+       /* EC turns on w/ pp900_pll_en */
+       pp900_pll: pp900_ap {
+       };
+
+       /* EC turns on w/ pp900_pmu_en */
+       pp900_pmu: pp900_ap {
+       };
+
+       /* EC turns on w/ pp900_usb_en */
+       pp900_usb: pp900_ap {
+       };
+
+       /* pp1800 aliases; these are always on for AP so just use alias */
+
+       /* EC turns on w/ pp1800_s0_en_l */
+       pp1800_ap_io: pp1800_emmc: pp1800_nfc: pp1800_s0: pp1800 {
+       };
+
+       /* EC turns on w/ pp1800_avdd_en_l */
+       pp1800_avdd: pp1800 {
+       };
+
+       /* EC turns on w/ pp1800_lid_en_l */
+       pp1800_lid: pp1800_mic: pp1800 {
+       };
+
+       /* EC turns on w/ lpddr_pwr_en */
+       pp1800_lpddr: pp1800 {
+       };
+
+       /* EC turns on w/ pp1800_pmu_en_l */
+       pp1800_pmu: pp1800 {
+       };
+
+       /* EC turns on w/ pp1800_sensor_en_l */
+       // TODO: Only for EC and things EC talks to I think; remove?
+       pp1800_sensor: pp1800 {
+       };
+
+       /* EC turns on w/ pp1800_usb_en_l */
+       pp1800_usb: pp1800 {
+       };
+
+       /* pp1800 children */
+
+       /* EC turns on w/ pp1200_hsic_en */
+       // TODO: Might be removed in future schematics?
+       pp1200_hsic: pp1200-hsic {
+               compatible = "regulator-fixed";
+               regulator-name = "pp1200_hsic";
+
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <1200000>;
+               regulator-max-microvolt = <1200000>;
+
+               vin-supply = <&pp1800>;
+       };
+
+       pp1500_ap_io: pp1500-ap-io {
+               compatible = "regulator-fixed";
+               regulator-name = "pp1500_ap_io";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pp1500_en>;
+
+               enable-active-high;
+               gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
+
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <1500000>;
+               regulator-max-microvolt = <1500000>;
+
+               vin-supply = <&pp1800>;
+       };
+
+       pp1800_audio: pp1800-audio {
+               compatible = "regulator-fixed";
+               regulator-name = "pp1800_audio";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pp1800_audio_en>;
+
+               enable-active-high;
+               gpio = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+
+               vin-supply = <&pp1800>;
+       };
+
+       pp1800_pcie: pp1800-pcie {
+               compatible = "regulator-fixed";
+               regulator-name = "pp1800_pcie";
+               pinctrl-names = "default";
+               pinctrl-0 = <&wlan_module_pd_l>;
+
+               regulator-always-on;
+               regulator-boot-on;
+
+               enable-active-high;
+               gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+
+               vin-supply = <&pp1800>;
+       };
+
+       /* pp3000 aliases; these are always on for AP so just use alias */
+
+       /* Always on; plain and simple */
+       pp3000_ap: pp3000_emmc: pp3000 {
+       };
+
+       /* pp3000 children */
+
+       pp3000_sd_slot: pp3000-sd-slot {
+               compatible = "regulator-fixed";
+               regulator-name = "pp3000_sd_slot";
+               pinctrl-names = "default";
+               pinctrl-0 = <&sd_slot_pwr_en>;
+
+               regulator-always-on;
+               regulator-boot-on;
+
+               enable-active-high;
+               gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
+
+               vin-supply = <&pp3000>;
+       };
+
+       ppvar_sd_card_io: ppvar-sd-card-io {
+               compatible = "regulator-gpio";
+               regulator-name = "ppvar_sd_card_io";
+               pinctrl-names = "default";
+               pinctrl-0 = <&sd_io_pwr_en &sd_pwr_1800_sel>;
+
+               regulator-always-on;
+               regulator-boot-on;
+
+               enable-active-high;
+               enable-gpio = <&gpio2 2 GPIO_ACTIVE_HIGH>;
+               gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>;
+               states = <1800000 0x1
+                         3000000 0x0>;
+
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3000000>;
+       };
+
+       /* pp3300 aliases; these are always on for AP so just use alias */
+
+       /* EC turns on w/ pp3300_trackpad_en_l */
+       pp3300_trackpad: pp3300-trackpad {
+       };
+
+       /* EC turns on w/ pp3300_usb_en_l */
+       pp3300_usb: pp3300 {
+       };
+
+       /* pp3300 children */
+
+       pp3300_disp: pp3300-disp {
+               compatible = "regulator-fixed";
+               regulator-name = "pp3300_disp";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pp3300_disp_en>;
+
+               enable-active-high;
+               gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
+
+               vin-supply = <&pp3300>;
+       };
+
+       pp3300_wifi_bt:pp3300-wifi-bt {
+               compatible = "regulator-fixed";
+               regulator-name = "pp3300_wifi_bt";
+               /* NOTE: wlan_module_pd_l pinctrl in pp1800_pcie */
+
+               regulator-always-on;
+               regulator-boot-on;
+               enable-active-high;
+
+               gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+
+               vin-supply = <&pp3300>;
+       };
+
+
+       /* END REGULATORS */
+
+       io-domains {
+               compatible = "rockchip,rk3399-io-voltage-domain";
+               rockchip,grf = <&grf>;
+
+               bt656-supply = <&pp1800_ap_io>;         /* APIO2_VDD;  2a 2b */
+               audio-supply = <&pp1800_audio>;         /* APIO5_VDD;  3d 4a */
+               sdmmc-supply = <&ppvar_sd_card_io>;     /* SDMMC0_VDD; 4b    */
+               gpio1830-supply = <&pp3000_ap>;         /* APIO4_VDD;  4c 4d */
+       };
+
+       pmu-io-domains {
+               compatible = "rockchip,rk3399-pmu-io-voltage-domain";
+               rockchip,grf = <&pmugrf>;
+
+               pmu1830-supply = <&pp1800_pmu>;         /* PMUIO2_VDD */
+       };
+};
+
+&cpu_l0 {
+       cpu-supply = <&ppvar_litcpu>;
+};
+
+&cpu_l1 {
+       cpu-supply = <&ppvar_litcpu>;
+};
+
+&cpu_l2 {
+       cpu-supply = <&ppvar_litcpu>;
+};
+
+&cpu_l3 {
+       cpu-supply = <&ppvar_litcpu>;
+};
+
+&cpu_b0 {
+       cpu-supply = <&ppvar_bigcpu>;
+};
+
+&cpu_b1 {
+       cpu-supply = <&ppvar_bigcpu>;
+};
+
+&emmc_phy {
+       status = "okay";
+};
+
+ap_i2c_mic: &i2c1 {
+       status = "okay";
+
+       headsetcodec: rt5514@57 {
+               compatible = "realtek,rt5514";
+               reg = <0x57>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&mic_int>;
+
+               /*
+                * NOTE: Interrupts aren't part of the binding and driver
+                * doesn't support it, but throw it in anyway.
+                */
+               interrupt-parent = <&gpio1>;
+               interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
+       };
+};
+
+ap_i2c_ts: &i2c3 {
+       status = "okay";
+};
+
+ap_i2c_tp: &i2c5 {
+       /*
+        * Note strange pullup enable.  Apparently this avoids leakage but
+        * still allows us to get nice 4.7K pullups for high speed i2c
+        * transfers.  Basically we want the pullup on whenever the ap is
+        * alive, so the "en" pin just gets set to output high.
+        */
+       pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
+
+       status = "okay";
+};
+
+ap_i2c_audio: &i2c8 {
+       status = "okay";
+
+       codec: da7219@1a {
+               compatible = "dlg,da7219";
+               reg = <0x1a>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&headset_int_l>;
+
+               interrupt-parent = <&gpio1>;
+               interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+
+               VDD-supply = <&pp1800>;
+               VDDMIC-supply = <&pp3300>;
+               VDDIO-supply = <&pp1800>;
+
+               clocks = <&cru SCLK_I2S_8CH_OUT>;
+               clock-names = "mclk";
+
+       };
+};
+
+&i2s0 {
+       status = "okay";
+};
+
+&pwm0 {
+       status = "okay";
+};
+
+&pwm1 {
+       status = "okay";
+};
+
+&pwm2 {
+       status = "okay";
+};
+
+&pwm3 {
+       status = "okay";
+};
+
+&sdhci {
+       status = "okay";
+
+       supports-emmc;
+
+       bus-width = <8>;
+       non-removable;
+
+       vmmc-supply = <&pp3000>;
+       vqmmc-supply = <&pp1800_emmc>;
+};
+
+&sdmmc {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_cd_gpio
+                       &sdmmc_bus4>;
+
+       supports-sd;
+
+       /* HACK: Limit freq for now */
+       clock-frequency = <37500000>;
+       clock-freq-min-max = <400000 37500000>;
+
+       bus-width = <4>;
+       cd-gpios = <&gpio4 26 GPIO_ACTIVE_LOW>;
+       disable-wp;
+
+       broken-cd;
+
+       vmmc-supply = <&pp3000_sd_slot>;
+       vqmmc-supply = <&ppvar_sd_card_io>;
+};
+
+&spi0 {
+       status = "okay";
+
+       /* TODO: more properly.  Hacky spidev for now???
+        * A few notes:
+        * - We either have a Haven here or a Infineon SLB9670.  The SLB9670
+        *   is supposed to be a fallback if Haven is broken.
+        * - Either TPM is supposed to be TPM 2.0 hooked up to SPI.  I see some
+        *   kernel support for TPM 2.0 on x86 (hooked up with ACPI) but no
+        *   generic way to say "we have a SPI TPM 2.0".  We'll need to add
+        *   a driver for whichever way we go.
+        * - wfrichar@ says that for Haven if it has gone to sleep we might
+        *   need to add a delay after asserting chip select.  Presumably
+        *   haven-specific driver will need to handle this logic (keeping
+        *   track when we last talked and adding an extra delay if it's been
+        *   a while).
+         */
+       tpm@0 {
+               compatible = "spidev";
+               spi-max-frequency = <10000000>;
+               reg = <0>;
+       };
+};
+
+&spi1 {
+       status = "okay";
+
+       spiflash@0 {
+               compatible = "spidev";
+               spi-max-frequency = <10000000>;
+               reg = <0>;
+       };
+};
+
+&spi2 {
+       status = "okay";
+
+       wacky_spi_audio@0 {
+               compatible = "spidev";
+               spi-max-frequency = <10000000>;
+               reg = <0>;
+       };
+};
+
+&spi5 {
+       status = "okay";
+
+       cros_ec: ec@0 {
+               compatible = "google,cros-ec-spi";
+               reg = <0>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&ec_ap_int_l>;
+
+               google,cros-ec-spi-pre-delay = <30>;
+               interrupt-parent = <&gpio0>;
+               interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+               spi-max-frequency = <3000000>;
+
+               i2c_tunnel: i2c-tunnel {
+                       compatible = "google,cros-ec-i2c-tunnel";
+                       google,remote-bus = <0>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+               };
+       };
+};
+
+&tsadc {
+       status = "okay";
+
+       rockchip,hw-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */
+       rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
+};
+
+&uart2 {
+       status = "okay";
+};
+
+&usb_host0_echi {
+       status = "okay";
+};
+
+&usb_host0_ohci {
+       status = "okay";
+};
+
+&usb_host1_echi {
+       status = "okay";
+};
+
+&usb_host1_ohci {
+       status = "okay";
+};
+
+&usbdrd3_0 {
+       status = "okay";
+};
+
+&usbdrd_dwc3_0 {
+       status = "okay";
+       dr_mode = "host";
+};
+
+&usbdrd3_1 {
+       status = "okay";
+};
+
+&usbdrd_dwc3_1 {
+       status = "okay";
+       dr_mode = "host";
+};
+
+/* PINCTRL: always below everything else */
+
+&pinctrl {
+       pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
+               bias-disable;
+               drive-strength = <8>;
+       };
+
+       pcfg_output_high: pcfg-output-high {
+               output-high;
+       };
+
+       cros-ec {
+               ec_ap_int_l: ec-ap-int-l {
+                       rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>;
+               };
+       };
+
+       discrete-regulators {
+               pp1500_en: pp1500-en {
+                       rockchip,pins = <RK_GPIO1 11 RK_FUNC_GPIO
+                                        &pcfg_pull_none>;
+               };
+
+               pp1800_audio_en: pp1800-audio-en {
+                       rockchip,pins = <RK_GPIO0 1 RK_FUNC_GPIO
+                                        &pcfg_pull_none>;
+               };
+
+               pp3300_disp_en: pp3300-disp-en {
+                       rockchip,pins = <RK_GPIO4 27 RK_FUNC_GPIO
+                                        &pcfg_pull_none>;
+               };
+
+               pp3000_en: pp3000-en {
+                       rockchip,pins = <RK_GPIO1 12 RK_FUNC_GPIO
+                                        &pcfg_pull_none>;
+               };
+
+               sd_io_pwr_en: sd-io-pwr-en {
+                       rockchip,pins = <RK_GPIO2 2 RK_FUNC_GPIO
+                                        &pcfg_pull_none>;
+               };
+
+               sd_pwr_1800_sel: sd-pwr-1800-sel {
+                       rockchip,pins = <RK_GPIO2 28 RK_FUNC_GPIO
+                                        &pcfg_pull_none>;
+               };
+
+               sd_slot_pwr_en: sd-slot-pwr-en {
+                       rockchip,pins = <RK_GPIO4 29 RK_FUNC_GPIO
+                                        &pcfg_pull_none>;
+               };
+
+               wlan_module_pd_l: wlan-module-pd-l {
+                       rockchip,pins = <RK_GPIO0 8 RK_FUNC_GPIO
+                                        &pcfg_pull_none>;
+               };
+       };
+
+       codec {
+               /* Has external pullup; could use internal? */
+               headset_int_l: headset-int-l {
+                       rockchip,pins = <1 23 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               mic_int: mic-int {
+                       rockchip,pins = <1 13 RK_FUNC_GPIO &pcfg_pull_down>;
+               };
+       };
+
+       sdmmc {
+               /*
+                * We run sdmmc at max speed; bump up drive strength.
+                * We also have external pulls, so disable the internal ones.
+                *
+                * TODO: should this just use 12ma?  That's in the main dts...
+                */
+
+               /* This is where we actually hook up CD; has external pull; could use internal? */
+               sdmmc_cd_gpio: sdmmc-cd-gpio {
+                       rockchip,pins = <4 26 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+
+       touchpanel {
+               ap_i2c_tp_pu_en: ap-i2c-tp-pu-en {
+                       rockchip,pins = <3 12 RK_FUNC_GPIO &pcfg_output_high>;
+               };
+       };
+};