Commit 1effec98 authored by Robert Marko's avatar Robert Marko Committed by Claudiu Beznea
Browse files

arm64: dts: microchip: add LAN969x support 



Add support for Microchip LAN969x switch SoC series by adding the SoC DTSI.

Signed-off-by: default avatarRobert Marko <robert.marko@sartura.hr>
Reviewed-by: default avatarClaudiu Beznea <claudiu.beznea@tuxon.dev>
Acked-by: default avatarDaniel Machon <daniel.machon@microchip.com>
Link: https://lore.kernel.org/r/20260302112153.464422-5-robert.marko@sartura.hr


Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea@tuxon.dev>
parent 229eeb0a

arch/arm64/boot/dts/microchip/lan9691.dtsi

0 → 100644
+488 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)

/*

 * Copyright (c) 2025 Microchip Technology Inc. and its subsidiaries.

 */



#include <dt-bindings/dma/at91.h>

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

#include <dt-bindings/mfd/at91-usart.h>

#include <dt-bindings/mfd/atmel-flexcom.h>



#include "clk-lan9691.h"



/ {

	#address-cells = <1>;

	#size-cells = <1>;



	model = "Microchip LAN969x";

	compatible = "microchip,lan9691";

	interrupt-parent = <&gic>;



	clocks {

		fx100_clk: fx100-clk {

			compatible = "fixed-clock";

			#clock-cells = <0>;

			clock-frequency = <320000000>;

		};



		cpu_clk: cpu-clk {

			compatible = "fixed-clock";

			#clock-cells = <0>;

			clock-frequency = <1000000000>;

		};



		ddr_clk: ddr-clk {

			compatible = "fixed-clock";

			#clock-cells = <0>;

			clock-frequency = <600000000>;

		};



		fabric_clk: fabric-clk {

			compatible = "fixed-clock";

			#clock-cells = <0>;

			clock-frequency = <250000000>;

		};

	};



	cpus {

		#address-cells = <2>;

		#size-cells = <0>;



		cpu0: cpu@0 {

			compatible = "arm,cortex-a53";

			device_type = "cpu";

			reg = <0x0 0x0>;

			next-level-cache = <&l2_0>;

		};



		l2_0: l2-cache {

			compatible = "cache";

			cache-level = <2>;

			cache-unified;

		};

	};



	psci {

		compatible = "arm,psci-1.0";

		method = "smc";

	};



	pmu {

		compatible = "arm,cortex-a53-pmu";

		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;

	};



	timer {

		compatible = "arm,armv8-timer";

		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, /* Secure Phys IRQ */

			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, /* Non-secure Phys IRQ */

			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, /* Virt IRQ */

			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; /* Hyp IRQ */

	};



	axi: axi {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <1>;

		ranges;



		usb: usb@300000 {

			compatible = "microchip,lan9691-dwc3", "snps,dwc3";

			reg = <0x300000 0x80000>;

			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&clks GCK_GATE_USB_DRD>,

				 <&clks GCK_ID_USB_REFCLK>;

			clock-names = "bus_early", "ref";

			assigned-clocks = <&clks GCK_ID_USB_REFCLK>;

			assigned-clock-rates = <60000000>;

			maximum-speed = "high-speed";

			dr_mode = "host";

			status = "disabled";

		};



		flx0: flexcom@e0040000 {

			compatible = "microchip,lan9691-flexcom", "atmel,sama5d2-flexcom";

			reg = <0xe0040000 0x100>;

			ranges = <0x0 0xe0040000 0x800>;

			clocks = <&clks GCK_ID_FLEXCOM0>;

			#address-cells = <1>;

			#size-cells = <1>;

			status = "disabled";



			usart0: serial@200 {

				compatible = "microchip,lan9691-usart", "atmel,at91sam9260-usart";

				reg = <0x200 0x200>;

				interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(3)>,

				       <&dma AT91_XDMAC_DT_PERID(2)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				clock-names = "usart";

				atmel,fifo-size = <32>;

				atmel,usart-mode = <AT91_USART_MODE_SERIAL>;

				status = "disabled";

			};



			spi0: spi@400 {

				compatible = "microchip,lan9691-spi", "atmel,at91rm9200-spi";

				reg = <0x400 0x200>;

				interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(3)>,

				       <&dma AT91_XDMAC_DT_PERID(2)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				clock-names = "spi_clk";

				#address-cells = <1>;

				#size-cells = <0>;

				atmel,fifo-size = <32>;

				status = "disabled";

			};



			i2c0: i2c@600 {

				compatible = "microchip,lan9691-i2c", "microchip,sam9x60-i2c";

				reg = <0x600 0x200>;

				interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(3)>,

				       <&dma AT91_XDMAC_DT_PERID(2)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				#address-cells = <1>;

				#size-cells = <0>;

				status = "disabled";

			};

		};



		flx1: flexcom@e0044000 {

			compatible = "microchip,lan9691-flexcom", "atmel,sama5d2-flexcom";

			reg = <0xe0044000 0x100>;

			ranges = <0x0 0xe0044000 0x800>;

			clocks = <&clks GCK_ID_FLEXCOM1>;

			#address-cells = <1>;

			#size-cells = <1>;

			status = "disabled";



			usart1: serial@200 {

				compatible = "microchip,lan9691-usart", "atmel,at91sam9260-usart";

				reg = <0x200 0x200>;

				interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(3)>,

				       <&dma AT91_XDMAC_DT_PERID(2)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				clock-names = "usart";

				atmel,fifo-size = <32>;

				atmel,usart-mode = <AT91_USART_MODE_SERIAL>;

				status = "disabled";

			};



			spi1: spi@400 {

				compatible = "microchip,lan9691-spi", "atmel,at91rm9200-spi";

				reg = <0x400 0x200>;

				interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(3)>,

				       <&dma AT91_XDMAC_DT_PERID(2)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				clock-names = "spi_clk";

				#address-cells = <1>;

				#size-cells = <0>;

				atmel,fifo-size = <32>;

				status = "disabled";

			};



			i2c1: i2c@600 {

				compatible = "microchip,lan9691-i2c", "microchip,sam9x60-i2c";

				reg = <0x600 0x200>;

				interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(3)>,

				       <&dma AT91_XDMAC_DT_PERID(2)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				#address-cells = <1>;

				#size-cells = <0>;

				status = "disabled";

			};

		};



		trng: rng@e0048000 {

			compatible = "microchip,lan9691-trng", "atmel,at91sam9g45-trng";

			reg = <0xe0048000 0x100>;

			clocks = <&fabric_clk>;

			status = "disabled";

		};



		aes: crypto@e004c000 {

			compatible = "microchip,lan9691-aes", "atmel,at91sam9g46-aes";

			reg = <0xe004c000 0x100>;

			interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;

			dmas = <&dma AT91_XDMAC_DT_PERID(12)>,

			       <&dma AT91_XDMAC_DT_PERID(13)>;

			dma-names = "tx", "rx";

			clocks = <&fabric_clk>;

			clock-names = "aes_clk";

			status = "disabled";

		};



		flx2: flexcom@e0060000 {

			compatible = "microchip,lan9691-flexcom", "atmel,sama5d2-flexcom";

			reg = <0xe0060000 0x100>;

			ranges = <0x0 0xe0060000 0x800>;

			clocks = <&clks GCK_ID_FLEXCOM2>;

			#address-cells = <1>;

			#size-cells = <1>;

			status = "disabled";



			usart2: serial@200 {

				compatible = "microchip,lan9691-usart", "atmel,at91sam9260-usart";

				reg = <0x200 0x200>;

				interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(7)>,

				       <&dma AT91_XDMAC_DT_PERID(6)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				clock-names = "usart";

				atmel,fifo-size = <32>;

				atmel,usart-mode = <AT91_USART_MODE_SERIAL>;

				status = "disabled";

			};



			spi2: spi@400 {

				compatible = "microchip,lan9691-spi", "atmel,at91rm9200-spi";

				reg = <0x400 0x200>;

				interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(7)>,

				       <&dma AT91_XDMAC_DT_PERID(6)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				clock-names = "spi_clk";

				#address-cells = <1>;

				#size-cells = <0>;

				atmel,fifo-size = <32>;

				status = "disabled";

			};



			i2c2: i2c@600 {

				compatible = "microchip,lan9691-i2c", "microchip,sam9x60-i2c";

				reg = <0x600 0x200>;

				interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(7)>,

				       <&dma AT91_XDMAC_DT_PERID(6)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				#address-cells = <1>;

				#size-cells = <0>;

				status = "disabled";

			};

		};



		flx3: flexcom@e0064000 {

			compatible = "microchip,lan9691-flexcom", "atmel,sama5d2-flexcom";

			reg = <0xe0064000 0x100>;

			ranges = <0x0 0xe0064000 0x800>;

			clocks = <&clks GCK_ID_FLEXCOM3>;

			#address-cells = <1>;

			#size-cells = <1>;

			status = "disabled";



			usart3: serial@200 {

				compatible = "microchip,lan9691-usart", "atmel,at91sam9260-usart";

				reg = <0x200 0x200>;

				interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(9)>,

				       <&dma AT91_XDMAC_DT_PERID(8)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				clock-names = "usart";

				atmel,fifo-size = <32>;

				atmel,usart-mode = <AT91_USART_MODE_SERIAL>;

				status = "disabled";

			};



			spi3: spi@400 {

				compatible = "microchip,lan9691-spi", "atmel,at91rm9200-spi";

				reg = <0x400 0x200>;

				interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(9)>,

				       <&dma AT91_XDMAC_DT_PERID(8)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				clock-names = "spi_clk";

				#address-cells = <1>;

				#size-cells = <0>;

				atmel,fifo-size = <32>;

				status = "disabled";

			};



			i2c3: i2c@600 {

				compatible = "microchip,lan9691-i2c", "microchip,sam9x60-i2c";

				reg = <0x600 0x200>;

				interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;

				dmas = <&dma AT91_XDMAC_DT_PERID(9)>,

				       <&dma AT91_XDMAC_DT_PERID(8)>;

				dma-names = "tx", "rx";

				clocks = <&fabric_clk>;

				#address-cells = <1>;

				#size-cells = <0>;

				status = "disabled";

			};

		};



		dma: dma-controller@e0068000 {

			compatible = "microchip,lan9691-dma", "microchip,sama7g5-dma";

			reg = <0xe0068000 0x1000>;

			interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;

			dma-channels = <16>;

			#dma-cells = <1>;

			clocks = <&fabric_clk>;

			clock-names = "dma_clk";

		};



		sha: crypto@e006c000 {

			compatible = "microchip,lan9691-sha", "atmel,at91sam9g46-sha";

			reg = <0xe006c000 0xec>;

			interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;

			dmas = <&dma AT91_XDMAC_DT_PERID(14)>;

			dma-names = "tx";

			clocks = <&fabric_clk>;

			clock-names = "sha_clk";

			status = "disabled";

		};



		timer: timer@e008c000 {

			compatible = "snps,dw-apb-timer";

			reg = <0xe008c000 0x400>;

			clocks = <&fabric_clk>;

			clock-names = "timer";

			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;

			status = "disabled";

		};



		watchdog: watchdog@e0090000 {

			compatible = "snps,dw-wdt";

			reg = <0xe0090000 0x1000>;

			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&fabric_clk>;

		};



		cpu_ctrl: syscon@e00c0000 {

			compatible = "microchip,lan966x-cpu-syscon", "syscon";

			reg = <0xe00c0000 0x350>;

		};



		switch: switch@e00c0000 {

			compatible = "microchip,lan9691-switch";

			reg = <0xe00c0000 0x0010000>,

			      <0xe2010000 0x1410000>;

			reg-names = "cpu", "devices";

			interrupt-names = "xtr", "fdma", "ptp";

			interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,

				     <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,

				     <GIC_SPI  9 IRQ_TYPE_LEVEL_HIGH>;

			resets = <&reset 0>;

			reset-names = "switch";

			status = "disabled";

		};



		clks: clock-controller@e00c00b4 {

			compatible = "microchip,lan9691-gck";

			reg = <0xe00c00b4 0x30>, <0xe00c0308 0x4>;

			#clock-cells = <1>;

			clocks = <&cpu_clk>, <&ddr_clk>, <&fx100_clk>;

			clock-names = "cpu", "ddr", "sys";

		};



		reset: reset-controller@e201000c {

			compatible = "microchip,lan9691-switch-reset",

				     "microchip,lan966x-switch-reset";

			reg = <0xe201000c 0x4>;

			reg-names = "gcb";

			#reset-cells = <1>;

			cpu-syscon = <&cpu_ctrl>;

		};



		gpio: pinctrl@e20100d4 {

			compatible = "microchip,lan9691-pinctrl";

			reg = <0xe20100d4 0xd4>,

			      <0xe2010370 0xa8>;

			gpio-controller;

			#gpio-cells = <2>;

			gpio-ranges = <&gpio 0 0 66>;

			interrupt-controller;

			interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;

			#interrupt-cells = <2>;

		};



		mdio0: mdio@e20101a8 {

			compatible = "microchip,lan9691-miim", "mscc,ocelot-miim";

			reg = <0xe20101a8 0x24>;

			#address-cells = <1>;

			#size-cells = <0>;

			clocks = <&fx100_clk>;

			status = "disabled";

		};



		mdio1: mdio@e20101cc {

			compatible = "microchip,lan9691-miim", "mscc,ocelot-miim";

			reg = <0xe20101cc 0x24>;

			#address-cells = <1>;

			#size-cells = <0>;

			clocks = <&fx100_clk>;

			status = "disabled";

		};



		sgpio: gpio@e2010230 {

			compatible = "microchip,lan9691-sgpio", "microchip,sparx5-sgpio";

			reg = <0xe2010230 0x118>;

			clocks = <&fx100_clk>;

			resets = <&reset 0>;

			reset-names = "switch";

			#address-cells = <1>;

			#size-cells = <0>;

			status = "disabled";



			sgpio_in: gpio@0 {

				compatible = "microchip,lan9691-sgpio-bank",

					     "microchip,sparx5-sgpio-bank";

				reg = <0>;

				gpio-controller;

				#gpio-cells = <3>;

				interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;

				interrupt-controller;

				#interrupt-cells = <3>;

			};



			sgpio_out: gpio@1 {

				compatible = "microchip,lan9691-sgpio-bank",

					     "microchip,sparx5-sgpio-bank";

				reg = <1>;

				gpio-controller;

				#gpio-cells = <3>;

			};

		};



		tmon: hwmon@e2020100 {

			compatible = "microchip,lan9691-temp", "microchip,sparx5-temp";

			reg = <0xe2020100 0xc>;

			clocks = <&fx100_clk>;

			#thermal-sensor-cells = <0>;

		};



		serdes: serdes@e3410000 {

			compatible = "microchip,lan9691-serdes";

			reg = <0xe3410000 0x150000>;

			#phy-cells = <1>;

			clocks = <&fabric_clk>;

		};



		gic: interrupt-controller@e8c11000 {

			compatible = "arm,gic-400";

			reg = <0xe8c11000 0x1000>, /* Distributor GICD_ */

			      <0xe8c12000 0x2000>, /* CPU interface GICC_ */

			      <0xe8c14000 0x2000>, /* Virt interface control */

			      <0xe8c16000 0x2000>; /* Virt CPU interface */

			#interrupt-cells = <3>;

			interrupt-controller;

			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;

		};

	};

};