Commit 2b663ae7 authored by Chanho Park's avatar Chanho Park Committed by Krzysztof Kozlowski
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arm64: dts: exynos: add minimal support for exynosautov9 sadk board 



SADK(Samsung Automotive Development Kit) is the development kit to
evaluate Exynos Auto v9 SoC. It has 16GB LPDDR4 DRAM and two
256GB Samsung UFS. This patch enables only serial console and ufs0
device.

Signed-off-by: default avatarChanho Park <chanho61.park@samsung.com>
Link: https://lore.kernel.org/r/20211012002314.38965-4-chanho61.park@samsung.com


Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
parent 31bbac52

Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml

+6 −0
Original line number Diff line number Diff line
@@ -199,6 +199,12 @@ properties: 
              - samsung,exynos7-espresso        # Samsung Exynos7 Espresso

          - const: samsung,exynos7



      - description: Exynos Auto v9 based boards

        items:

          - enum:

              - samsung,exynosautov9-sadk   # Samsung Exynos Auto v9 SADK

          - const: samsung,exynosautov9



required:

  - compatible

arch/arm64/boot/dts/exynos/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -2,4 +2,5 @@ 
dtb-$(CONFIG_ARCH_EXYNOS) += \

	exynos5433-tm2.dtb	\

	exynos5433-tm2e.dtb	\

	exynos7-espresso.dtb
 
	exynos7-espresso.dtb	\

	exynosautov9-sadk.dtb

arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts

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+56 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Samsung ExynosAutov9 SADK board device tree source

 *

 * Copyright (c) 2021 Samsung Electronics Co., Ltd.

 *

 */



/dts-v1/;

#include "exynosautov9.dtsi"

#include <dt-bindings/gpio/gpio.h>



/ {

	model = "Samsung ExynosAuto v9 SADK board";

	compatible = "samsung,exynosautov9-sadk", "samsung,exynosautov9";



	#address-cells = <2>;

	#size-cells = <2>;



	aliases {

		serial0 = &serial_0;

	};



	chosen {

		stdout-path = &serial_0;

	};



	memory@80000000 {

		device_type = "memory";

		reg = <0x0 0x80000000 0x0 0x77000000>,

		      <0x8 0x80000000 0x1 0x7ba00000>,

		      <0xa 0x00000000 0x2 0x00000000>;

	};



	ufs_0_fixed_vcc_reg: regulator-0 {

		compatible = "regulator-fixed";

		regulator-name = "ufs-vcc";

		gpio = <&gpq0 1 GPIO_ACTIVE_HIGH>;

		regulator-boot-on;

		enable-active-high;

	};

};



&serial_0 {

	status = "okay";

};



&ufs_0_phy {

	status = "okay";

};



&ufs_0 {

	status = "okay";

	vcc-supply = <&ufs_0_fixed_vcc_reg>;

	vcc-fixed-regulator;

};