xref: /kernel/linux/linux-6.6/arch/arc/boot/dts/vdk_axs10x_mb.dtsi

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Support for peripherals on the AXS10x mainboard (VDK version)
 *
 * Copyright (C) 2013-15 Synopsys, Inc. (www.synopsys.com)
 */

/ {
	axs10x_mb_vdk {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x00000000 0xe0000000 0x10000000>;
		interrupt-parent = <&mb_intc>;

		clocks {
			apbclk: apbclk {
				compatible = "fixed-clock";
				clock-frequency = <50000000>;
				#clock-cells = <0>;
			};

			mmcclk: mmcclk {
				compatible = "fixed-clock";
				clock-frequency = <50000000>;
				#clock-cells = <0>;
			};

			pguclk: pguclk {
				#clock-cells = <0>;
				compatible = "fixed-clock";
				clock-frequency = <25175000>;
			};
		};

		ethernet@18000 {
			#interrupt-cells = <1>;
			compatible = "snps,dwmac";
			reg = < 0x18000 0x2000 >;
			interrupts = < 4 >;
			interrupt-names = "macirq";
			phy-mode = "rgmii";
			snps,phy-addr = < 0 >;  // VDK model phy address is 0
			snps,pbl = < 32 >;
			clocks = <&apbclk>;
			clock-names = "stmmaceth";
		};

		usb@40000 {
			compatible = "generic-ehci";
			reg = < 0x40000 0x100 >;
			interrupts = < 8 >;
		};

		uart@20000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x20000 0x100>;
			clock-frequency = <2403200>;
			interrupts = <17>;
			baud = <115200>;
			reg-shift = <2>;
			reg-io-width = <4>;
		};

		uart@21000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x21000 0x100>;
			clock-frequency = <2403200>;
			interrupts = <18>;
			baud = <115200>;
			reg-shift = <2>;
			reg-io-width = <4>;
		};

		uart@22000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x22000 0x100>;
			clock-frequency = <2403200>;
			interrupts = <19>;
			baud = <115200>;
			reg-shift = <2>;
			reg-io-width = <4>;
		};

/* PGU output directly sent to virtual LCD screen; hdmi controller not modelled */
		pgu@17000 {
			compatible = "snps,arcpgu";
			reg = <0x17000 0x400>;
			clocks = <&pguclk>;
			clock-names = "pxlclk";
		};

/* VDK has additional ps2 keyboard/mouse interface integrated in LCD screen model */
		ps2: ps2@e0017400 {
			compatible = "snps,arc_ps2";
			reg = <0x17400 0x14>;
			interrupts = <5>;
			interrupt-names = "arc_ps2_irq";
		};

		mmc@15000 {
			compatible = "snps,dw-mshc";
			reg = <0x15000 0x400>;
			fifo-depth = <1024>;
			card-detect-delay = <200>;
			clocks = <&apbclk>, <&mmcclk>;
			clock-names = "biu", "ciu";
			interrupts = <7>;
			bus-width = <4>;
		};
	};

	/*
	 * Embedded Vision subsystem UIO mappings; only relevant for EV VDK
	 *
	 * This node is intentionally put outside of MB above becase
	 * it maps areas outside of MB's 0xez-0xfz.
	 */
	uio_ev: uio@d0000000 {
		compatible = "generic-uio";
		reg = <0xd0000000 0x2000 0xd1000000 0x2000 0x90000000 0x10000000 0xc0000000 0x10000000>;
		reg-names = "ev_gsa", "ev_ctrl", "ev_shared_mem", "ev_code_mem";
		interrupt-parent = <&mb_intc>;
		interrupts = <23>;
	};
};