From c46388a58664e89526fe7b8af0082b9b5c465568 Mon Sep 17 00:00:00 2001 From: Zhizhou Zhang Date: Wed, 11 Mar 2015 02:27:08 +0000 Subject: [PATCH] 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: Zhizhou Zhang Signed-off-by: Orson Zhai Signed-off-by: Chunyan Zhang Acked-by: Mark Rutland Signed-off-by: Arnd Bergmann --- arch/arm64/boot/dts/Makefile | 1 + arch/arm64/boot/dts/sprd/Makefile | 5 ++ arch/arm64/boot/dts/sprd/sc9836-openphone.dts | 49 ++++++++++++ arch/arm64/boot/dts/sprd/sc9836.dtsi | 74 +++++++++++++++++++ arch/arm64/boot/dts/sprd/sharkl64.dtsi | 65 ++++++++++++++++ 5 files changed, 194 insertions(+) create mode 100644 arch/arm64/boot/dts/sprd/Makefile create mode 100644 arch/arm64/boot/dts/sprd/sc9836-openphone.dts create mode 100644 arch/arm64/boot/dts/sprd/sc9836.dtsi create mode 100644 arch/arm64/boot/dts/sprd/sharkl64.dtsi diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index ff088ec6ca5f..e296eb6fc478 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -5,6 +5,7 @@ dts-dirs += cavium dts-dirs += exynos dts-dirs += freescale dts-dirs += mediatek +dts-dirs += sprd dts-dirs += xilinx subdir-y := $(dts-dirs) diff --git a/arch/arm64/boot/dts/sprd/Makefile b/arch/arm64/boot/dts/sprd/Makefile new file mode 100644 index 000000000000..b658c5e09b15 --- /dev/null +++ b/arch/arm64/boot/dts/sprd/Makefile @@ -0,0 +1,5 @@ +dtb-$(CONFIG_ARCH_SPRD) += sc9836-openphone.dtb + +always := $(dtb-y) +subdir-y := $(dts-dirs) +clean-files := *.dtb diff --git a/arch/arm64/boot/dts/sprd/sc9836-openphone.dts b/arch/arm64/boot/dts/sprd/sc9836-openphone.dts new file mode 100644 index 000000000000..e5657c35cd10 --- /dev/null +++ b/arch/arm64/boot/dts/sprd/sc9836-openphone.dts @@ -0,0 +1,49 @@ +/* + * 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"; +}; diff --git a/arch/arm64/boot/dts/sprd/sc9836.dtsi b/arch/arm64/boot/dts/sprd/sc9836.dtsi new file mode 100644 index 000000000000..f92f1b45f6d6 --- /dev/null +++ b/arch/arm64/boot/dts/sprd/sc9836.dtsi @@ -0,0 +1,74 @@ +/* + * 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 + +/ { + 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 = ; + }; + + psci { + compatible = "arm,psci"; + method = "smc"; + cpu_on = <0xc4000003>; + cpu_off = <0x84000002>; + cpu_suspend = <0xc4000001>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + ; + }; +}; diff --git a/arch/arm64/boot/dts/sprd/sharkl64.dtsi b/arch/arm64/boot/dts/sprd/sharkl64.dtsi new file mode 100644 index 000000000000..69f64e7fce7c --- /dev/null +++ b/arch/arm64/boot/dts/sprd/sharkl64.dtsi @@ -0,0 +1,65 @@ +/* + * 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>; + }; +}; -- 2.39.5