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diff --git a/kernel/arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi b/kernel/arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi
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index 000000000..fec076eb7
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+++ b/kernel/arch/arm/boot/dts/rk3288-veyron-sdmmc.dtsi
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+/*
+ * Google Veyron (and derivatives) fragment for sdmmc cards
+ *
+ * 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.
+ */
+
+&io_domains {
+ sdcard-supply = <&vccio_sd>;
+};
+
+&pinctrl {
+ sdmmc {
+ /*
+ * We run sdmmc at max speed; bump up drive strength.
+ * We also have external pulls, so disable the internal ones.
+ */
+ sdmmc_bus4: sdmmc-bus4 {
+ rockchip,pins = <6 16 RK_FUNC_1 &pcfg_pull_none_drv_8ma>,
+ <6 17 RK_FUNC_1 &pcfg_pull_none_drv_8ma>,
+ <6 18 RK_FUNC_1 &pcfg_pull_none_drv_8ma>,
+ <6 19 RK_FUNC_1 &pcfg_pull_none_drv_8ma>;
+ };
+
+ sdmmc_clk: sdmmc-clk {
+ rockchip,pins = <6 20 RK_FUNC_1 &pcfg_pull_none_drv_8ma>;
+ };
+
+ sdmmc_cmd: sdmmc-cmd {
+ rockchip,pins = <6 21 RK_FUNC_1 &pcfg_pull_none_drv_8ma>;
+ };
+
+ /*
+ * Builtin CD line is hooked to ground to prevent JTAG at boot
+ * (and also to get the voltage rail correct).
+ * Configure gpio6_C6 as GPIO so dw_mmc builtin CD doesn't
+ * think there's a card inserted
+ */
+ sdmmc_cd_disabled: sdmmc-cd-disabled {
+ rockchip,pins = <6 22 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ /* This is where we actually hook up CD */
+ sdmmc_cd_gpio: sdmmc-cd-gpio {
+ rockchip,pins = <7 5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+};
+
+&rk808 {
+ vcc9-supply = <&vcc_5v>;
+
+ regulators {
+ vccio_sd: LDO_REG4 {
+ regulator-name = "vccio_sd";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc33_sd: LDO_REG5 {
+ regulator-name = "vcc33_sd";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+ };
+};
+
+&sdmmc {
+ status = "okay";
+
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ card-detect-delay = <200>;
+ cd-gpios = <&gpio7 5 GPIO_ACTIVE_LOW>;
+ rockchip,default-sample-phase = <90>;
+ num-slots = <1>;
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
+ vmmc-supply = <&vcc33_sd>;
+ vqmmc-supply = <&vccio_sd>;
+};