sunxi: add support for Allwinner H6 SoC

Allwinner H6 is a new SoC from Allwinner features USB3 and PCIe
interfaces.

This patch adds support for it.

The corresponding DTSI file, from Linux next-20180720, is also
introduced.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com>

1 files changed, 288 insertions, 0 deletions

diff --git a/arch/arm/dts/sun50i-h6.dtsi b/arch/arm/dts/sun50i-h6.dtsi
new file mode 100644
index 0000000000..cfa5fffcf6
--- /dev/null
+++ b/arch/arm/dts/sun50i-h6.dtsi
@@ -0,0 +1,288 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+/*
+ * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/sun50i-h6-ccu.h>
+#include <dt-bindings/clock/sun50i-h6-r-ccu.h>
+#include <dt-bindings/reset/sun50i-h6-ccu.h>
+#include <dt-bindings/reset/sun50i-h6-r-ccu.h>
+
+/ {
+	interrupt-parent = <&gic>;
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <0>;
+			enable-method = "psci";
+		};
+
+		cpu1: cpu@1 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <1>;
+			enable-method = "psci";
+		};
+
+		cpu2: cpu@2 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <2>;
+			enable-method = "psci";
+		};
+
+		cpu3: cpu@3 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			device_type = "cpu";
+			reg = <3>;
+			enable-method = "psci";
+		};
+	};
+
+	iosc: internal-osc-clk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <16000000>;
+		clock-accuracy = <300000000>;
+		clock-output-names = "iosc";
+	};
+
+	osc24M: osc24M_clk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		clock-output-names = "osc24M";
+	};
+
+	osc32k: osc32k_clk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+		clock-output-names = "osc32k";
+	};
+
+	psci {
+		compatible = "arm,psci-0.2";
+		method = "smc";
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 13
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 14
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 11
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 10
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		ccu: clock@3001000 {
+			compatible = "allwinner,sun50i-h6-ccu";
+			reg = <0x03001000 0x1000>;
+			clocks = <&osc24M>, <&osc32k>, <&iosc>;
+			clock-names = "hosc", "losc", "iosc";
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
+		gic: interrupt-controller@3021000 {
+			compatible = "arm,gic-400";
+			reg = <0x03021000 0x1000>,
+			      <0x03022000 0x2000>,
+			      <0x03024000 0x2000>,
+			      <0x03026000 0x2000>;
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+		};
+
+		pio: pinctrl@300b000 {
+			compatible = "allwinner,sun50i-h6-pinctrl";
+			reg = <0x0300b000 0x400>;
+			interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_APB1>, <&osc24M>, <&osc32k>;
+			clock-names = "apb", "hosc", "losc";
+			gpio-controller;
+			#gpio-cells = <3>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+
+			mmc0_pins: mmc0-pins {
+				pins = "PF0", "PF1", "PF2", "PF3",
+				       "PF4", "PF5";
+				function = "mmc0";
+				drive-strength = <30>;
+				bias-pull-up;
+			};
+
+			mmc2_pins: mmc2-pins {
+				pins = "PC1", "PC4", "PC5", "PC6",
+				       "PC7", "PC8", "PC9", "PC10",
+				       "PC11", "PC12", "PC13", "PC14";
+				function = "mmc2";
+				drive-strength = <30>;
+				bias-pull-up;
+			};
+
+			uart0_ph_pins: uart0-ph {
+				pins = "PH0", "PH1";
+				function = "uart0";
+			};
+		};
+
+		mmc0: mmc@4020000 {
+			compatible = "allwinner,sun50i-h6-mmc",
+				     "allwinner,sun50i-a64-mmc";
+			reg = <0x04020000 0x1000>;
+			clocks = <&ccu CLK_BUS_MMC0>, <&ccu CLK_MMC0>;
+			clock-names = "ahb", "mmc";
+			resets = <&ccu RST_BUS_MMC0>;
+			reset-names = "ahb";
+			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		mmc1: mmc@4021000 {
+			compatible = "allwinner,sun50i-h6-mmc",
+				     "allwinner,sun50i-a64-mmc";
+			reg = <0x04021000 0x1000>;
+			clocks = <&ccu CLK_BUS_MMC1>, <&ccu CLK_MMC1>;
+			clock-names = "ahb", "mmc";
+			resets = <&ccu RST_BUS_MMC1>;
+			reset-names = "ahb";
+			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		mmc2: mmc@4022000 {
+			compatible = "allwinner,sun50i-h6-emmc",
+				     "allwinner,sun50i-a64-emmc";
+			reg = <0x04022000 0x1000>;
+			clocks = <&ccu CLK_BUS_MMC2>, <&ccu CLK_MMC2>;
+			clock-names = "ahb", "mmc";
+			resets = <&ccu RST_BUS_MMC2>;
+			reset-names = "ahb";
+			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		uart0: serial@5000000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x05000000 0x400>;
+			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&ccu CLK_BUS_UART0>;
+			resets = <&ccu RST_BUS_UART0>;
+			status = "disabled";
+		};
+
+		uart1: serial@5000400 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x05000400 0x400>;
+			interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&ccu CLK_BUS_UART1>;
+			resets = <&ccu RST_BUS_UART1>;
+			status = "disabled";
+		};
+
+		uart2: serial@5000800 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x05000800 0x400>;
+			interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&ccu CLK_BUS_UART2>;
+			resets = <&ccu RST_BUS_UART2>;
+			status = "disabled";
+		};
+
+		uart3: serial@5000c00 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x05000c00 0x400>;
+			interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&ccu CLK_BUS_UART3>;
+			resets = <&ccu RST_BUS_UART3>;
+			status = "disabled";
+		};
+
+		r_ccu: clock@7010000 {
+			compatible = "allwinner,sun50i-h6-r-ccu";
+			reg = <0x07010000 0x400>;
+			clocks = <&osc24M>, <&osc32k>, <&iosc>,
+				 <&ccu CLK_PLL_PERIPH0>;
+			clock-names = "hosc", "losc", "iosc", "pll-periph";
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
+		r_intc: interrupt-controller@7021000 {
+			compatible = "allwinner,sun50i-h6-r-intc",
+				     "allwinner,sun6i-a31-r-intc";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			reg = <0x07021000 0x400>;
+			interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		r_pio: pinctrl@7022000 {
+			compatible = "allwinner,sun50i-h6-r-pinctrl";
+			reg = <0x07022000 0x400>;
+			interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&r_ccu CLK_R_APB1>, <&osc24M>, <&osc32k>;
+			clock-names = "apb", "hosc", "losc";
+			gpio-controller;
+			#gpio-cells = <3>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+
+			r_i2c_pins: r-i2c {
+				pins = "PL0", "PL1";
+				function = "s_i2c";
+			};
+		};
+
+		r_i2c: i2c@7081400 {
+			compatible = "allwinner,sun6i-a31-i2c";
+			reg = <0x07081400 0x400>;
+			interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&r_ccu CLK_R_APB2_I2C>;
+			resets = <&r_ccu RST_R_APB2_I2C>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&r_i2c_pins>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
+};