arm: histb: hi3798mv200: add initial support for Hi3798MV200 HC2910-2AGHD05 board

A board with Hi3798MV200 SoC and various peripherals. Details are in the
board README.md.

Signed-off-by: Yang Xiwen <forbidden405@outlook.com>

4 files changed, 326 insertions, 0 deletions

diff --git a/arch/arm/dts/hi3798mv200-hc2910-2aghd05-u-boot.dtsi b/arch/arm/dts/hi3798mv200-hc2910-2aghd05-u-boot.dtsi
new file mode 100644
index 0000000000..eb320761f2
--- /dev/null
+++ b/arch/arm/dts/hi3798mv200-hc2910-2aghd05-u-boot.dtsi
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "hi3798mv200-u-boot.dtsi"
+
+/* The clock driver is missing */
+&sd0 {
+	status = "disabled";
+};
diff --git a/arch/arm/dts/hi3798mv200-hc2910-2aghd05.dts b/arch/arm/dts/hi3798mv200-hc2910-2aghd05.dts
new file mode 100644
index 0000000000..c4ca5ed235
--- /dev/null
+++ b/arch/arm/dts/hi3798mv200-hc2910-2aghd05.dts
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DTS File for Skyworth HC2910 with board label 2AGHD05 set-top box.
+ *
+ * Released under the GPLv2 only.
+ */
+
+/dts-v1/;
+
+#include "hi3798mv200.dtsi"
+
+/ {
+	// Usually known as Henan Guangdian HC2910
+	model = "Skyworth HC2910 with board label 2AGHD05";
+	compatible = "skyworth,hc2910-2aghd05", "hisilicon,hi3798mv200";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x80000000>;
+	};
+};
+
+&ehci {
+	status = "okay";
+};
+
+&emmc {
+	fifo-depth = <256>;
+	clock-frequency = <200000000>;
+	cap-mmc-highspeed;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	non-removable;
+	bus-width = <8>;
+	status = "okay";
+};
+
+&gmac {
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	phy-handle = <&eth_phy1>;
+	phy-mode = "rgmii";
+	hisilicon,phy-reset-delays-us = <10000 10000 30000>;
+
+	eth_phy1: phy@3 {
+		reg = <3>;
+	};
+};
+
+&ohci {
+	status = "okay";
+};
+
+&sd0 {
+	bus-width = <4>;
+	cap-sd-highspeed;
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
diff --git a/arch/arm/dts/hi3798mv200-u-boot.dtsi b/arch/arm/dts/hi3798mv200-u-boot.dtsi
new file mode 100644
index 0000000000..8917bcf33d
--- /dev/null
+++ b/arch/arm/dts/hi3798mv200-u-boot.dtsi
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * U-Boot addition to:
+ *  1) use platform data for the console
+ *
+ */
+
+#include <dt-bindings/reset/ti-syscon.h>
+
+/* The driver in U-Boot does not support "snps,dw-mshc" compatible. */
+&sd0 {
+	compatible = "hisilicon,hi3798mv200-dw-mshc";
+};
+
+&sd1 {
+	compatible = "hisilicon,hi3798mv200-dw-mshc";
+};
+
+/* The clock driver is missing */
+&uart0 {
+	clock = <75000000>;
+};
diff --git a/arch/arm/dts/hi3798mv200.dtsi b/arch/arm/dts/hi3798mv200.dtsi
new file mode 100644
index 0000000000..fedf87ac67
--- /dev/null
+++ b/arch/arm/dts/hi3798mv200.dtsi
@@ -0,0 +1,225 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DTS File for HiSilicon Hi3798mv200 SoC.
+ *
+ * Released under the GPLv2 only.
+ */
+
+#include <dt-bindings/clock/histb-clock.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/reset/ti-syscon.h>
+
+/ {
+	compatible = "hisilicon,hi3798mv200";
+	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@0 {
+			compatible = "arm,cortex-a53";
+			device_type = "cpu";
+			reg = <0x0 0x0>;
+			enable-method = "psci";
+		};
+
+		cpu@1 {
+			compatible = "arm,cortex-a53";
+			device_type = "cpu";
+			reg = <0x0 0x1>;
+			enable-method = "psci";
+		};
+
+		cpu@2 {
+			compatible = "arm,cortex-a53";
+			device_type = "cpu";
+			reg = <0x0 0x2>;
+			enable-method = "psci";
+		};
+
+		cpu@3 {
+			compatible = "arm,cortex-a53";
+			device_type = "cpu";
+			reg = <0x0 0x3>;
+			enable-method = "psci";
+		};
+	};
+
+	gic: interrupt-controller@f1001000 {
+		compatible = "arm,gic-400";
+		reg = <0x0 0xf1001000 0x0 0x1000>,  /* GICD */
+		      <0x0 0xf1002000 0x0 0x100>;   /* GICC */
+		#address-cells = <0>;
+		#interrupt-cells = <3>;
+		interrupt-controller;
+	};
+
+	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)>;
+	};
+
+	/* Initialization is done in boot loader */
+	usb2_phy1: hsusb1_phy {
+		compatible = "usb-nop-xceiv";
+		clocks = <&crg HISTB_USB2_PHY1_REF_CLK>;
+		clock-names = "main";
+		#phy-cells = <0>;
+	};
+
+	soc: soc@f0000000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x0 0xf0000000 0x10000000>;
+
+		crg: clock-reset-controller@8a22000 {
+			compatible = "hisilicon,hi3798mv200-crg", "syscon", "simple-mfd";
+			reg = <0x8a22000 0x1000>;
+			#clock-cells = <1>;
+			#reset-cells = <2>;
+		};
+
+		sysctrl: system-controller@8000000 {
+			compatible = "hisilicon,hi3798mv200-sysctrl", "syscon";
+			reg = <0x8000000 0x1000>;
+			#clock-cells = <1>;
+			#reset-cells = <2>;
+		};
+
+		perictrl: peripheral-controller@8a20000 {
+			compatible = "hisilicon,hi3798mv200-perictrl", "syscon",
+				     "simple-mfd";
+			reg = <0x8a20000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x8a20000 0x1000>;
+
+			combphy0: phy@850 {
+				compatible = "hisilicon,hi3798mv200-combphy";
+				reg = <0x850 0x8>;
+				#phy-cells = <1>;
+				clocks = <&crg HISTB_COMBPHY0_CLK>;
+				resets = <&crg 0x188 4>;
+				assigned-clocks = <&crg HISTB_COMBPHY0_CLK>;
+				assigned-clock-rates = <100000000>;
+				hisilicon,fixed-mode = <PHY_TYPE_USB3>;
+			};
+		};
+
+		pmx0: pinconf@8a21000 {
+			compatible = "pinconf-single";
+			reg = <0x8a21000 0x180>;
+			pinctrl-single,register-width = <32>;
+			pinctrl-single,function-mask = <7>;
+		};
+
+		uart0: serial@8b00000 {
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0x8b00000 0x1000>;
+			interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&sysctrl HISTB_UART0_CLK>;
+			clock-names = "apb_pclk";
+			status = "disabled";
+		};
+
+		sd0: mmc@9820000 {
+			compatible = "snps,dw-mshc";
+			reg = <0x9820000 0x10000>;
+			interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg HISTB_SDIO0_CIU_CLK>,
+				 <&crg HISTB_SDIO0_BIU_CLK>;
+			clock-names = "ciu", "biu";
+			resets = <&crg 0x9c 4>;
+			reset-names = "reset";
+			status = "disabled";
+		};
+
+		emmc: mmc@9830000 {
+			compatible = "hisilicon,hi3798mv200-dw-mshc";
+			reg = <0x9830000 0x10000>;
+			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg HISTB_MMC_CIU_CLK>,
+				 <&crg HISTB_MMC_BIU_CLK>,
+				 <&crg HISTB_MMC_SAMPLE_CLK>,
+				 <&crg HISTB_MMC_DRV_CLK>;
+			clock-names = "ciu", "biu", "ciu-sample", "ciu-drive";
+			resets = <&crg 0xa0 4>;
+			reset-names = "reset";
+			status = "disabled";
+		};
+
+		gmac: ethernet@9840000 {
+			compatible = "hisilicon,hi3798mv200-gmac", "hisilicon,hisi-gmac-v2";
+			reg = <0x9840000 0x1000>,
+			      <0x984300c 0x4>;
+			interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg HISTB_ETH0_MAC_CLK>,
+				 <&crg HISTB_ETH0_MACIF_CLK>;
+			clock-names = "mac_core", "mac_ifc";
+			resets = <&crg 0xcc 0>,
+				 <&crg 0xcc 2>,
+				 <&crg 0xcc 5>;
+			reset-names = "mac_core", "mac_ifc", "phy";
+			status = "disabled";
+		};
+
+		ohci: ohci@9880000 {
+			compatible = "generic-ohci";
+			reg = <0x9880000 0x10000>;
+			interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg HISTB_USB2_BUS_CLK>,
+				 <&crg HISTB_USB2_12M_CLK>,
+				 <&crg HISTB_USB2_48M_CLK>;
+			clock-names = "bus", "clk12", "clk48";
+			resets = <&crg 0xb8 12>;
+			reset-names = "bus";
+			status = "disabled";
+		};
+
+		ehci: ehci@9890000 {
+			compatible = "generic-ehci";
+			reg = <0x9890000 0x10000>;
+			interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg HISTB_USB2_BUS_CLK>,
+				 <&crg HISTB_USB2_PHY_CLK>,
+				 <&crg HISTB_USB2_UTMI_CLK>;
+			clock-names = "bus", "phy", "utmi";
+			resets = <&crg 0xb8 12>,
+				 <&crg 0xb8 16>,
+				 <&crg 0xb8 13>;
+			reset-names = "bus", "phy", "utmi";
+			phys = <&usb2_phy1>;
+			phy-names = "usb";
+			status = "disabled";
+		};
+
+		sd1: mmc@9c40000 {
+			compatible = "snps,dw-mshc";
+			reg = <0x9c40000 0x10000>;
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg HISTB_SDIO1_CIU_CLK>,
+				 <&crg HISTB_SDIO1_BIU_CLK>;
+			clock-names = "ciu", "biu";
+			resets = <&crg 0x28c 4>;
+			reset-names = "reset";
+			status = "disabled";
+		};
+	};
+};