arch/arm/dts/sam9x60.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * sam9x60.dtsi - Device Tree Include file for SAM9X60 SoC.
 *
 * Copyright (C) 2018 Microchip Technology Inc. and its subsidiaries
 *
 * Author: Sandeep Sheriker M <sandeepsheriker.mallikarjun@microchip.com>
 */

#include "skeleton.dtsi"
#include <dt-bindings/dma/at91.h>
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/at91.h>

/{
	model = "Microchip SAM9X60 SoC";
	compatible = "microchip,sam9x60";

	aliases {
		serial0 = &dbgu;
		gpio0 = &pioA;
		gpio1 = &pioB;
	};

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

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

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

		sdhci0: sdhci-host@80000000 {
			compatible = "microchip,sam9x60-sdhci";
			reg = <0x80000000 0x300>;
			clocks = <&sdhci0_clk>, <&sdhci0_gclk>, <&main>;
			clock-names = "hclock", "multclk", "baseclk";
			bus-width = <4>;
			pinctrl-names = "default";
			pinctrl-0 = <&pinctrl_sdhci0>;
		};

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

			dbgu: serial@fffff200 {
				compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart";
				reg = <0xfffff200 0x200>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_dbgu>;
				clocks = <&dbgu_clk>;
				clock-names = "usart";
			};

			pinctrl {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "microchip,sam9x60-pinctrl", "simple-bus";
				ranges = <0xfffff400 0xfffff400 0x800>;
				reg = <0xfffff400 0x200		/* pioA */
				       0xfffff600 0x200		/* pioB */
				       0xfffff800 0x200		/* pioC */
				       0xfffffa00 0x200>;	/* pioD */

				/* shared pinctrl settings */
				dbgu {
					pinctrl_dbgu: dbgu-0 {
						atmel,pins =
							<AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
							AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};
				};

				sdhci0 {
					pinctrl_sdhci0: sdhci0 {
						atmel,pins =
							<AT91_PIOA 17 AT91_PERIPH_A AT91_PINCTRL_DRIVE_STRENGTH_DEFAULT	/* PA17 CK  periph A with pullup */
							 AT91_PIOA 16 AT91_PERIPH_A AT91_PINCTRL_PULL_UP		/* PA16 CMD periph A with pullup */
							 AT91_PIOA 15 AT91_PERIPH_A AT91_PINCTRL_PULL_UP		/* PA15 DAT0 periph A */
							 AT91_PIOA 18 AT91_PERIPH_A AT91_PINCTRL_PULL_UP		/* PA18 DAT1 periph A with pullup */
							 AT91_PIOA 19 AT91_PERIPH_A AT91_PINCTRL_PULL_UP		/* PA19 DAT2 periph A with pullup */
							 AT91_PIOA 20 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;		/* PA20 DAT3 periph A with pullup */
					};
				};
			};

			pioA: gpio@fffff400 {
				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
				reg = <0xfffff400 0x200>;
				#gpio-cells = <2>;
				gpio-controller;
				clocks = <&pioA_clk>;
			};

			pioB: gpio@fffff600 {
				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
				reg = <0xfffff600 0x200>;
				#gpio-cells = <2>;
				gpio-controller;
				clocks = <&pioB_clk>;
			};

			pmc: pmc@fffffc00 {
				compatible = "atmel,at91sam9x5-pmc";
				reg = <0xfffffc00 0x200>;
				#address-cells = <1>;
				#size-cells = <0>;

				main: mainck {
					compatible = "atmel,at91sam9x5-clk-main";
					#clock-cells = <0>;
				};

				plla: pllack {
					compatible = "microchip,sam9x60-clk-pll";
					#clock-cells = <0>;
					clocks = <&main>;
					reg = <0>;
					atmel,clk-input-range = <8000000 24000000>;
					#atmel,pll-clk-output-range-cells = <4>;
					atmel,pll-clk-output-ranges = <140000000 1200000000 0 0>;
				};

				mck: masterck {
					compatible = "atmel,at91sam9x5-clk-master";
					#clock-cells = <0>;
					clocks = <&md_slck>, <&main>, <&plla>;
					atmel,clk-output-range = <140000000 200000000>;
					atmel,clk-divisors = <1 2 4 6>;
				};

				periph: periphck {
					compatible = "microchip,sam9x60-clk-peripheral";
					#address-cells = <1>;
					#size-cells = <0>;
					clocks = <&mck>;

					pioA_clk: pioA_clk {
						#clock-cells = <0>;
						reg = <2>;
					};

					pioB_clk: pioB_clk {
						#clock-cells = <0>;
						reg = <3>;
					};

					sdhci0_clk: sdhci0_clk {
						#clock-cells = <0>;
						reg = <12>;
					};

					dbgu_clk: dbgu_clk {
						#clock-cells = <0>;
						reg = <47>;
					};
				};

				generic: gck {
					compatible = "microchip,sam9x60-clk-generated";
					#address-cells = <1>;
					#size-cells = <0>;
					clocks = <&md_slck>, <&td_slck>, <&main>, <&mck>, <&plla>;

					sdhci0_gclk: sdhci0_gclk {
						#clock-cells = <0>;
						reg = <12>;
					};
				};
			};

			pit: timer@fffffe40 {
				compatible = "atmel,at91sam9260-pit";
				reg = <0xfffffe40 0x10>;
				clocks = <&mck>;
			};

			slowckc: sckc@fffffe50 {
				compatible = "atmel,at91sam9x5-sckc";
				reg = <0xfffffe50 0x4>;

				slow_osc: slow_osc {
					compatible = "atmel,at91sam9x5-clk-slow-osc";
					#clock-cells = <0>;
					clocks = <&slow_xtal>;
				};

				slow_rc_osc: slow_rc_osc {
					compatible = "atmel,at91sam9x5-clk-slow-rc-osc";
					#clock-cells = <0>;
					clock-frequency = <32768>;
				};

				td_slck: td_slck {
					compatible = "atmel,at91sam9x5-clk-slow";
					#clock-cells = <0>;
					clocks = <&slow_rc_osc>, <&slow_osc>;
				};

				md_slck: md_slck {
					compatible = "atmel,at91sam9x5-clk-slow";
					#clock-cells = <0>;
					clocks = <&slow_rc_osc>;
				};
			};
		};
	};
};