ARM64: DT: Hisilicon hi6220 soc and hikey board updates for 4.2

- Added the devicetree bindings document for hi6220 SoC
 - Added the devicetree bindings document for hi6220 clock
 - Added dts files for hi6220 SoC and hikey board
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJVcbdtAAoJEAvIV27ZiWZcmX8QAJLQ4KWB2XiXC8v2xkZFnLDv
 dHiwdNzHBFmavSNqmeg3krLUW/lQNTe60vDGrJxo2RfO9KyeS5cAQsuGgG5sMp/c
 N/u+YpQZOb9ufHNS1F/vQcd4YuedT4u2bkuOzuMFxBMViWdo5LQ5utWhdfbPuCdL
 iU6alY8C98AzPHfN6n0QxIz951PsyiKiyqf00+slUsBmVRUXiZgzBAHGWUQYGyeu
 J2XNC235yBbOqwsxMUotzssaourlcXaAIQglGlifOya8PNmkHfQIMT6dSfSgC6sV
 Nb0T89q7Tm0lKw7lULweIPz2gSoRqhVJLUI78bwCmSvzbdrAxNVnZuKEIPsMySOv
 i9LxfQLuNIuwVZrh/a5rfEZYNeM/PNTrlh9gto7de7XBCXjQMyzHL9H9BzPlKY1o
 f0TphBee6x7e9xdDjQYija6VIhgNS3y4xtwIrXtFtfECWOfbQUxdiUQP9sUMZlnf
 DtSZCqgWRIaN2sV4j12TYOwAI6O9ctWMSnTCsFbJxeTcu7046+DWKiS3DIRl4L5d
 EuTTTUdIvJ9geNslGm6sjlA6tOwdRgVK+J7oWGniFRyhr9m0kzwkv5cGV+sRSIHF
 Hf1gauZvB6jhyAvTdLq9+GZXExecLdkB5hNt98+OybJcXmu/r5lmrdubPrB8q220
 EL41lFyJIEZCstYOuB6L
 =JYfg
 -----END PGP SIGNATURE-----

Merge tag 'hi6620-dt-for-4.2' of git://github.com/hisilicon/linux-hisi into next/dt

ARM64: DT: Hisilicon hi6220 soc and hikey board updates for 4.2

- Added the devicetree bindings document for hi6220 SoC
- Added the devicetree bindings document for hi6220 clock
- Added dts files for hi6220 SoC and hikey board

* tag 'hi6620-dt-for-4.2' of git://github.com/hisilicon/linux-hisi:
  arm64: dts: Add dts files for Hisilicon Hi6220 SoC
  clk: hi6220: Document devicetree bindings for hi6220 clock
  arm64: hi6220: Document devicetree bindings for Hisilicon hi6220 SoC

Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt

@@ -1,5 +1,8 @@
 Hisilicon Platforms Device Tree Bindings
 ----------------------------------------------------
+Hi6220 SoC
+Required root node properties:
+	- compatible = "hisilicon,hi6220";
 
 Hi4511 Board
 Required root node properties:
@@ -13,6 +16,9 @@ HiP01 ca9x2 Board
 Required root node properties:
 	- compatible = "hisilicon,hip01-ca9x2";
 
+HiKey Board
+Required root node properties:
+	- compatible = "hisilicon,hi6220-hikey", "hisilicon,hi6220";
 
 Hisilicon system controller
 
@@ -40,6 +46,87 @@ Example:
 		reboot-offset = <0x4>;
 	};
 
+-----------------------------------------------------------------------
+Hisilicon Hi6220 system controller
+
+Required properties:
+- compatible : "hisilicon,hi6220-sysctrl"
+- reg : Register address and size
+- #clock-cells: should be set to 1, many clock registers are defined
+  under this controller and this property must be present.
+
+Hisilicon designs this controller as one of the system controllers,
+its main functions are the same as Hisilicon system controller, but
+the register offset of some core modules are different.
+
+Example:
+	/*for Hi6220*/
+	sys_ctrl: sys_ctrl@f7030000 {
+		compatible = "hisilicon,hi6220-sysctrl", "syscon";
+		reg = <0x0 0xf7030000 0x0 0x2000>;
+		#clock-cells = <1>;
+	};
+
+
+Hisilicon Hi6220 Power Always ON domain controller
+
+Required properties:
+- compatible : "hisilicon,hi6220-aoctrl"
+- reg : Register address and size
+- #clock-cells: should be set to 1, many clock registers are defined
+  under this controller and this property must be present.
+
+Hisilicon designs this system controller to control the power always
+on domain for mobile platform.
+
+Example:
+	/*for Hi6220*/
+	ao_ctrl: ao_ctrl@f7800000 {
+		compatible = "hisilicon,hi6220-aoctrl", "syscon";
+		reg = <0x0 0xf7800000 0x0 0x2000>;
+		#clock-cells = <1>;
+	};
+
+
+Hisilicon Hi6220 Media domain controller
+
+Required properties:
+- compatible : "hisilicon,hi6220-mediactrl"
+- reg : Register address and size
+- #clock-cells: should be set to 1, many clock registers are defined
+  under this controller and this property must be present.
+
+Hisilicon designs this system controller to control the multimedia
+domain(e.g. codec, G3D ...) for mobile platform.
+
+Example:
+	/*for Hi6220*/
+	media_ctrl: media_ctrl@f4410000 {
+		compatible = "hisilicon,hi6220-mediactrl", "syscon";
+		reg = <0x0 0xf4410000 0x0 0x1000>;
+		#clock-cells = <1>;
+	};
+
+
+Hisilicon Hi6220 Power Management domain controller
+
+Required properties:
+- compatible : "hisilicon,hi6220-pmctrl"
+- reg : Register address and size
+- #clock-cells: should be set to 1, some clock registers are define
+  under this controller and this property must be present.
+
+Hisilicon designs this system controller to control the power management
+domain for mobile platform.
+
+Example:
+	/*for Hi6220*/
+	pm_ctrl: pm_ctrl@f7032000 {
+		compatible = "hisilicon,hi6220-pmctrl", "syscon";
+		reg = <0x0 0xf7032000 0x0 0x1000>;
+		#clock-cells = <1>;
+	};
+
 -----------------------------------------------------------------------
 Hisilicon HiP01 system controller
 

Documentation/devicetree/bindings/clock/hi6220-clock.txt

@@ -0,0 +1,34 @@
+* Hisilicon Hi6220 Clock Controller
+
+Clock control registers reside in different Hi6220 system controllers,
+please refer the following document to know more about the binding rules
+for these system controllers:
+
+Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
+
+Required Properties:
+
+- compatible: the compatible should be one of the following strings to
+	indicate the clock controller functionality.
+
+	- "hisilicon,hi6220-aoctrl"
+	- "hisilicon,hi6220-sysctrl"
+	- "hisilicon,hi6220-mediactrl"
+	- "hisilicon,hi6220-pmctrl"
+
+- reg: physical base address of the controller and length of memory mapped
+  region.
+
+- #clock-cells: should be 1.
+
+For example:
+	sys_ctrl: sys_ctrl@f7030000 {
+		compatible = "hisilicon,hi6220-sysctrl", "syscon";
+		reg = <0x0 0xf7030000 0x0 0x2000>;
+		#clock-cells = <1>;
+	};
+
+Each clock is assigned an identifier and client nodes use this identifier
+to specify the clock which they consume.
+
+All these identifier could be found in <dt-bindings/clock/hi6220-clock.h>.

arch/arm64/boot/dts/Makefile

@@ -4,6 +4,7 @@ dts-dirs += arm
 dts-dirs += cavium
 dts-dirs += exynos
 dts-dirs += freescale
+dts-dirs += hisilicon
 dts-dirs += mediatek
 dts-dirs += qcom
 dts-dirs += sprd

arch/arm64/boot/dts/hisilicon/Makefile

@@ -0,0 +1,5 @@
+dtb-$(CONFIG_ARCH_HISI) += hi6220-hikey.dtb
+
+always		:= $(dtb-y)
+subdir-y	:= $(dts-dirs)
+clean-files	:= *.dtb

arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts

@@ -0,0 +1,31 @@
+/*
+ * dts file for Hisilicon HiKey Development Board
+ *
+ * Copyright (C) 2015, Hisilicon Ltd.
+ *
+ */
+
+/dts-v1/;
+
+/*Reserved 1MB memory for MCU*/
+/memreserve/ 0x05e00000 0x00100000;
+
+#include "hi6220.dtsi"
+
+/ {
+	model = "HiKey Development Board";
+	compatible = "hisilicon,hi6220-hikey", "hisilicon,hi6220";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x40000000>;
+	};
+};

arch/arm64/boot/dts/hisilicon/hi6220.dtsi

@@ -0,0 +1,171 @@
+/*
+ * dts file for Hisilicon Hi6220 SoC
+ *
+ * Copyright (C) 2015, Hisilicon Ltd.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	compatible = "hisilicon,hi6220";
+	interrupt-parent = <&gic>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	psci {
+		compatible = "arm,psci-0.2";
+		method = "smc";
+	};
+
+	cpus {
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		cpu-map {
+			cluster0 {
+				core0 {
+					cpu = <&cpu0>;
+				};
+				core1 {
+					cpu = <&cpu1>;
+				};
+				core2 {
+					cpu = <&cpu2>;
+				};
+				core3 {
+					cpu = <&cpu3>;
+				};
+			};
+			cluster1 {
+				core0 {
+					cpu = <&cpu4>;
+				};
+				core1 {
+					cpu = <&cpu5>;
+				};
+				core2 {
+					cpu = <&cpu6>;
+				};
+				core3 {
+					cpu = <&cpu7>;
+				};
+			};
+		};
+
+		cpu0: cpu@0 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <0x0 0x0>;
+			enable-method = "psci";
+		};
+
+		cpu1: cpu@1 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <0x0 0x1>;
+			enable-method = "psci";
+		};
+
+		cpu2: cpu@2 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <0x0 0x2>;
+			enable-method = "psci";
+		};
+
+		cpu3: cpu@3 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <0x0 0x3>;
+			enable-method = "psci";
+		};
+
+		cpu4: cpu@100 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <0x0 0x100>;
+			enable-method = "psci";
+		};
+
+		cpu5: cpu@101 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <0x0 0x101>;
+			enable-method = "psci";
+		};
+
+		cpu6: cpu@102 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <0x0 0x102>;
+			enable-method = "psci";
+		};
+
+		cpu7: cpu@103 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <0x0 0x103>;
+			enable-method = "psci";
+		};
+	};
+
+	gic: interrupt-controller@f6801000 {
+		compatible = "arm,gic-400";
+		reg = <0x0 0xf6801000 0 0x1000>, /* GICD */
+		      <0x0 0xf6802000 0 0x2000>, /* GICC */
+		      <0x0 0xf6804000 0 0x2000>, /* GICH */
+		      <0x0 0xf6806000 0 0x2000>; /* GICV */
+		#address-cells = <0>;
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		ao_ctrl: ao_ctrl@f7800000 {
+			compatible = "hisilicon,hi6220-aoctrl", "syscon";
+			reg = <0x0 0xf7800000 0x0 0x2000>;
+			#clock-cells = <1>;
+		};
+
+		sys_ctrl: sys_ctrl@f7030000 {
+			compatible = "hisilicon,hi6220-sysctrl", "syscon";
+			reg = <0x0 0xf7030000 0x0 0x2000>;
+			#clock-cells = <1>;
+		};
+
+		media_ctrl: media_ctrl@f4410000 {
+			compatible = "hisilicon,hi6220-mediactrl", "syscon";
+			reg = <0x0 0xf4410000 0x0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		pm_ctrl: pm_ctrl@f7032000 {
+			compatible = "hisilicon,hi6220-pmctrl", "syscon";
+			reg = <0x0 0xf7032000 0x0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		uart0: uart@f8015000 {	/* console */
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0x0 0xf8015000 0x0 0x1000>;
+			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ao_ctrl 36>, <&ao_ctrl 36>;
+			clock-names = "uartclk", "apb_pclk";
+		};
+	};
+};