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Commit c46388a5 authored by Zhizhou Zhang's avatar Zhizhou Zhang Committed by Arnd Bergmann
Browse files

arm64: dts: Add support for Spreadtrum SC9836 SoC in dts and Makefile 



Adds the device tree support for Spreadtrum SC9836 SoC which is based on
Sharkl64 platform.

Sharkl64 platform contains the common nodes of Spreadtrum's arm64-based SoCs.

Signed-off-by: default avatarZhizhou Zhang <zhizhou.zhang@spreadtrum.com>
Signed-off-by: default avatarOrson Zhai <orson.zhai@spreadtrum.com>
Signed-off-by: default avatarChunyan Zhang <chunyan.zhang@spreadtrum.com>
Acked-by: default avatarMark Rutland <mark.rutland@arm.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 5d1b79d2

arch/arm64/boot/dts/Makefile

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Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ dts-dirs += cavium 
dts-dirs += exynos

dts-dirs += freescale

dts-dirs += mediatek

dts-dirs += sprd

dts-dirs += xilinx



subdir-y	:= $(dts-dirs)

arch/arm64/boot/dts/sprd/Makefile

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dtb-$(CONFIG_ARCH_SPRD) += sc9836-openphone.dtb



always		:= $(dtb-y)

subdir-y	:= $(dts-dirs)

clean-files	:= *.dtb

arch/arm64/boot/dts/sprd/sc9836-openphone.dts

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/*

 * Spreadtrum SC9836 openphone board DTS file

 *

 * Copyright (C) 2014, Spreadtrum Communications Inc.

 *

 * This file is licensed under a dual GPLv2 or X11 license.

 */



/dts-v1/;



#include "sc9836.dtsi"



/ {

	model = "Spreadtrum SC9836 Openphone Board";



	compatible = "sprd,sc9836-openphone", "sprd,sc9836";



	aliases {

		serial0 = &uart0;

		serial1 = &uart1;

		serial2 = &uart2;

		serial3 = &uart3;

	};



	memory@80000000 {

		device_type = "memory";

		reg = <0 0x80000000 0 0x20000000>;

	};



	chosen {

		stdout-path = "serial1:115200n8";

	};

};



&uart0 {

	status = "okay";

};



&uart1 {

	status = "okay";

};



&uart2 {

	status = "okay";

};



&uart3 {

	status = "okay";

};

arch/arm64/boot/dts/sprd/sc9836.dtsi

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/*

 * Spreadtrum SC9836 SoC DTS file

 *

 * Copyright (C) 2014, Spreadtrum Communications Inc.

 *

 * This file is licensed under a dual GPLv2 or X11 license.

 */



#include "sharkl64.dtsi"

#include <dt-bindings/interrupt-controller/arm-gic.h>



/ {

	compatible = "sprd,sc9836";



	cpus {

		#address-cells = <2>;

		#size-cells = <0>;



		cpu@0 {

			device_type = "cpu";

			compatible = "arm,cortex-a53", "arm,armv8";

			reg = <0x0 0x0>;

			enable-method = "psci";

		};



		cpu@1 {

			device_type = "cpu";

			compatible = "arm,cortex-a53", "arm,armv8";

			reg = <0x0 0x1>;

			enable-method = "psci";

		};



		cpu@2 {

			device_type = "cpu";

			compatible = "arm,cortex-a53", "arm,armv8";

			reg = <0x0 0x2>;

			enable-method = "psci";

		};



		cpu@3 {

			device_type = "cpu";

			compatible = "arm,cortex-a53", "arm,armv8";

			reg = <0x0 0x3>;

			enable-method = "psci";

		};

	};



	gic: interrupt-controller@12001000 {

		compatible = "arm,gic-400";

		reg = <0 0x12001000 0 0x1000>,

		      <0 0x12002000 0 0x2000>,

		      <0 0x12004000 0 0x2000>,

		      <0 0x12006000 0 0x2000>;

		#interrupt-cells = <3>;

		interrupt-controller;

		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;

	};



	psci {

		compatible	= "arm,psci";

		method		= "smc";

		cpu_on		= <0xc4000003>;

		cpu_off		= <0x84000002>;

		cpu_suspend	= <0xc4000001>;

	};



	timer {

		compatible = "arm,armv8-timer";

		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,

			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,

			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,

			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;

	};

};

arch/arm64/boot/dts/sprd/sharkl64.dtsi

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/*

 * Spreadtrum Sharkl64 platform DTS file

 *

 * Copyright (C) 2014, Spreadtrum Communications Inc.

 *

 * This file is licensed under a dual GPLv2 or X11 license.

 */



/ {

	interrupt-parent = <&gic>;

	#address-cells = <2>;

	#size-cells = <2>;



	soc {

		compatible = "simple-bus";

		#address-cells = <2>;

		#size-cells = <2>;

		ranges;



		ap-apb {

			compatible = "simple-bus";

			#address-cells = <2>;

			#size-cells = <2>;

			ranges;



			uart0: serial@70000000 {

				compatible = "sprd,sc9836-uart";

				reg = <0 0x70000000 0 0x100>;

				interrupts = <0 2 0xf04>;

				clocks = <&clk26mhz>;

				status = "disabled";

			};



			uart1: serial@70100000 {

				compatible = "sprd,sc9836-uart";

				reg = <0 0x70100000 0 0x100>;

				interrupts = <0 3 0xf04>;

				clocks = <&clk26mhz>;

				status = "disabled";

			};



			uart2: serial@70200000 {

				compatible = "sprd,sc9836-uart";

				reg = <0 0x70200000 0 0x100>;

				interrupts = <0 4 0xf04>;

				clocks = <&clk26mhz>;

				status = "disabled";

			};



			uart3: serial@70300000 {

				compatible = "sprd,sc9836-uart";

				reg = <0 0x70300000 0 0x100>;

				interrupts = <0 5 0xf04>;

				clocks = <&clk26mhz>;

				status = "disabled";

			};

		};

	};



	clk26mhz: clk26mhz {

		compatible = "fixed-clock";

		#clock-cells = <0>;

		clock-frequency = <26000000>;

	};

};