Commit b0d0bb1b authored by Daniel Palmer's avatar Daniel Palmer Committed by Arnd Bergmann
Browse files

ARM: mstar: Add Armv7 base dtsi



Adds initial dtsi for the base MStar/Sigmastar Armv7 SoCs.

These SoCs have very similar memory maps and this will avoid
duplicating nodes across multiple dtsis.

Signed-off-by: default avatarDaniel Palmer <daniel@0x0f.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 09220c57
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Original line number Diff line number Diff line
@@ -2140,6 +2140,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
W:	http://linux-chenxing.org/
F:	Documentation/devicetree/bindings/arm/mstar.yaml
F:	arch/arm/boot/dts/mstar-v7.dtsi
F:	arch/arm/mach-mstar/
ARM/NEC MOBILEPRO 900/c MACHINE SUPPORT
+83 −0
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2020 thingy.jp.
 * Author: Daniel Palmer <daniel@thingy.jp>
 */

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

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&gic>;

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0x0>;
		};
	};

	arch_timer {
		compatible = "arm,armv7-timer";
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2)
				| IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2)
				| IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2)
				| IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2)
				| IRQ_TYPE_LEVEL_LOW)>;
		/*
		 * we shouldn't need this but the vendor
		 * u-boot is broken
		 */
		clock-frequency = <6000000>;
	};

	soc: soc {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x16001000 0x16001000 0x00007000>,
			 <0x1f000000 0x1f000000 0x00400000>;

		gic: interrupt-controller@16001000 {
			compatible = "arm,cortex-a7-gic";
			reg = <0x16001000 0x1000>,
			      <0x16002000 0x2000>,
			      <0x16004000 0x2000>,
			      <0x16006000 0x2000>;
			#interrupt-cells = <3>;
			interrupt-controller;
			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2)
					| IRQ_TYPE_LEVEL_LOW)>;
		};

		riu: bus@1f000000 {
			compatible = "simple-bus";
			reg = <0x1f000000 0x00400000>;
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x1f000000 0x00400000>;

			l3bridge: l3bridge@204400 {
				compatible = "mstar,l3bridge";
				reg = <0x204400 0x200>;
			};

			pm_uart: uart@221000 {
				compatible = "ns16550a";
				reg = <0x221000 0x100>;
				reg-shift = <3>;
				clock-frequency = <172000000>;
				status = "disabled";
			};
		};
	};
};