linux/linux-5.18.11/arch/arm/boot/dts/lan966x.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * lan966x.dtsi - Device Tree Include file for Microchip LAN966 family SoC
 *
 * Copyright (C) 2021 Microchip Technology, Inc. and its subsidiaries
 *
 * Author: Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>
 *
 */

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/mfd/atmel-flexcom.h>
#include <dt-bindings/dma/at91.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/microchip,lan966x.h>

/ {
	model = "Microchip LAN966 family SoC";
	compatible = "microchip,lan966";
	interrupt-parent = <&gic>;
	#address-cells = <1>;
	#size-cells = <1>;

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

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			clock-frequency = <600000000>;
			reg = <0x0>;
		};
	};

	clocks {
		sys_clk: sys_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <162500000>;
		};

		cpu_clk: cpu_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <600000000>;
		};

		ddr_clk: ddr_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <300000000>;
		};

		nic_clk: nic_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <200000000>;
		};
	};

	clks: clock-controller@e00c00a8 {
		compatible = "microchip,lan966x-gck";
		#clock-cells = <1>;
		clocks = <&cpu_clk>, <&ddr_clk>, <&sys_clk>;
		clock-names = "cpu", "ddr", "sys";
		reg = <0xe00c00a8 0x38>;
	};

	timer {
		compatible = "arm,armv7-timer";
		interrupt-parent = <&gic>;
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
		clock-frequency = <37500000>;
	};

	soc {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		flx0: flexcom@e0040000 {
			compatible = "atmel,sama5d2-flexcom";
			reg = <0xe0040000 0x100>;
			clocks = <&clks GCK_ID_FLEXCOM0>;
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0xe0040000 0x800>;
			status = "disabled";
		};

		flx1: flexcom@e0044000 {
			compatible = "atmel,sama5d2-flexcom";
			reg = <0xe0044000 0x100>;
			clocks = <&clks GCK_ID_FLEXCOM1>;
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0xe0044000 0x800>;
			status = "disabled";
		};

		trng: rng@e0048000 {
			compatible = "atmel,at91sam9g45-trng";
			reg = <0xe0048000 0x100>;
			clocks = <&nic_clk>;
		};

		aes: crypto@e004c000 {
			compatible = "atmel,at91sam9g46-aes";
			reg = <0xe004c000 0x100>;
			interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
			dmas = <&dma0 AT91_XDMAC_DT_PERID(12)>,
			       <&dma0 AT91_XDMAC_DT_PERID(13)>;
			dma-names = "tx", "rx";
			clocks = <&nic_clk>;
			clock-names = "aes_clk";
		};

		flx2: flexcom@e0060000 {
			compatible = "atmel,sama5d2-flexcom";
			reg = <0xe0060000 0x100>;
			clocks = <&clks GCK_ID_FLEXCOM2>;
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0xe0060000 0x800>;
			status = "disabled";
		};

		flx3: flexcom@e0064000 {
			compatible = "atmel,sama5d2-flexcom";
			reg = <0xe0064000 0x100>;
			clocks = <&clks GCK_ID_FLEXCOM3>;
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0xe0064000 0x800>;
			status = "disabled";

			usart3: serial@200 {
				compatible = "atmel,at91sam9260-usart";
				reg = <0x200 0x200>;
				interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
				clocks = <&nic_clk>;
				clock-names = "usart";
				atmel,fifo-size = <32>;
				status = "disabled";
			};
		};

		dma0: dma-controller@e0068000 {
			compatible = "microchip,sama7g5-dma";
			reg = <0xe0068000 0x1000>;
			interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
			#dma-cells = <1>;
			clocks = <&nic_clk>;
			clock-names = "dma_clk";
		};

		sha: crypto@e006c000 {
			compatible = "atmel,at91sam9g46-sha";
			reg = <0xe006c000 0xec>;
			interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
			dmas = <&dma0 AT91_XDMAC_DT_PERID(14)>;
			dma-names = "tx";
			clocks = <&nic_clk>;
			clock-names = "sha_clk";
		};

		flx4: flexcom@e0070000 {
			compatible = "atmel,sama5d2-flexcom";
			reg = <0xe0070000 0x100>;
			clocks = <&clks GCK_ID_FLEXCOM4>;
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0xe0070000 0x800>;
			status = "disabled";
		};

		timer0: timer@e008c000 {
			compatible = "snps,dw-apb-timer";
			reg = <0xe008c000 0x400>;
			clocks = <&nic_clk>;
			clock-names = "timer";
			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
		};

		watchdog: watchdog@e0090000 {
			compatible = "snps,dw-wdt";
			reg = <0xe0090000 0x1000>;
			interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&nic_clk>;
			status = "disabled";
		};

		can0: can@e081c000 {
			compatible = "bosch,m_can";
			reg = <0xe081c000 0xfc>, <0x00100000 0x4000>;
			reg-names = "m_can", "message_ram";
			interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "int0", "int1";
			clocks = <&clks GCK_ID_MCAN0>, <&clks GCK_ID_MCAN0>;
			clock-names = "hclk", "cclk";
			assigned-clocks = <&clks GCK_ID_MCAN0>;
			assigned-clock-rates = <40000000>;
			bosch,mram-cfg = <0x0 0 0 64 0 0 32 32>;
			status = "disabled";
		};

		gpio: pinctrl@e2004064 {
			compatible = "microchip,lan966x-pinctrl";
			reg = <0xe2004064 0xb4>,
			    <0xe2010024 0x138>;
			gpio-controller;
			#gpio-cells = <2>;
			gpio-ranges = <&gpio 0 0 78>;
			interrupt-controller;
			interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
			#interrupt-cells = <2>;
		};

		gic: interrupt-controller@e8c11000 {
			compatible = "arm,gic-400", "arm,cortex-a7-gic";
			#interrupt-cells = <3>;
			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-controller;
			reg = <0xe8c11000 0x1000>,
			      <0xe8c12000 0x2000>,
			      <0xe8c14000 0x2000>,
			      <0xe8c16000 0x2000>;
		};
	};
};