xref: /src/sys/external/gpl2/dts/dist/arch/arm/boot/dts/ox810se.dtsi

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * ox810se.dtsi - Device tree file for Oxford Semiconductor OX810SE SoC
 *
 * Copyright (C) 2016 Neil Armstrong <narmstrong (a] baylibre.com>
 */

#include <dt-bindings/clock/oxsemi,ox810se.h>
#include <dt-bindings/reset/oxsemi,ox810se.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "oxsemi,ox810se";

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

		cpu {
			device_type = "cpu";
			compatible = "arm,arm926ej-s";
			clocks = <&armclk>;
		};
	};

	memory {
		device_type = "memory";
		/* Max 256MB @ 0x48000000 */
		reg = <0x48000000 0x10000000>;
	};

	clocks {
		osc: oscillator {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <25000000>;
		};

		gmacclk: gmacclk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <125000000>;
		};

		rpsclk: rpsclk {
			compatible = "fixed-factor-clock";
			#clock-cells = <0>;
			clock-div = <1>;
			clock-mult = <1>;
			clocks = <&osc>;
		};

		pll400: pll400 {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <733333333>;
		};

		sysclk: sysclk {
			compatible = "fixed-factor-clock";
			#clock-cells = <0>;
			clock-div = <4>;
			clock-mult = <1>;
			clocks = <&pll400>;
		};

		armclk: armclk {
			compatible = "fixed-factor-clock";
			#clock-cells = <0>;
			clock-div = <2>;
			clock-mult = <1>;
			clocks = <&pll400>;
		};
	};

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

		apb-bridge@44000000 {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "simple-bus";
			ranges = <0 0x44000000 0x1000000>;

			pinctrl: pinctrl {
				compatible = "oxsemi,ox810se-pinctrl";

				/* Regmap for sys registers */
				oxsemi,sys-ctrl = <&sys>;

				pinctrl_uart0: uart0 {
					uart0a {
						pins = "gpio31";
						function = "fct3";
					};
					uart0b {
						pins = "gpio32";
						function = "fct3";
					};
				};

				pinctrl_uart0_modem: uart0_modem {
					uart0c {
						pins = "gpio27";
						function = "fct3";
					};
					uart0d {
						pins = "gpio28";
						function = "fct3";
					};
					uart0e {
						pins = "gpio29";
						function = "fct3";
					};
					uart0f {
						pins = "gpio30";
						function = "fct3";
					};
					uart0g {
						pins = "gpio33";
						function = "fct3";
					};
					uart0h {
						pins = "gpio34";
						function = "fct3";
					};
				};

				pinctrl_uart1: uart1 {
					uart1a {
						pins = "gpio20";
						function = "fct3";
					};
					uart1b {
						pins = "gpio22";
						function = "fct3";
					};
				};

				pinctrl_uart1_modem: uart1_modem {
					uart1c {
						pins = "gpio8";
						function = "fct3";
					};
					uart1d {
						pins = "gpio9";
						function = "fct3";
					};
					uart1e {
						pins = "gpio23";
						function = "fct3";
					};
					uart1f {
						pins = "gpio24";
						function = "fct3";
					};
					uart1g {
						pins = "gpio25";
						function = "fct3";
					};
					uart1h {
						pins = "gpio26";
						function = "fct3";
					};
				};

				pinctrl_uart2: uart2 {
					uart2a {
						pins = "gpio6";
						function = "fct3";
					};
					uart2b {
						pins = "gpio7";
						function = "fct3";
					};
				};

				pinctrl_uart2_modem: uart2_modem {
					uart2c {
						pins = "gpio0";
						function = "fct3";
					};
					uart2d {
						pins = "gpio1";
						function = "fct3";
					};
					uart2e {
						pins = "gpio2";
						function = "fct3";
					};
					uart2f {
						pins = "gpio3";
						function = "fct3";
					};
					uart2g {
						pins = "gpio4";
						function = "fct3";
					};
					uart2h {
						pins = "gpio5";
						function = "fct3";
					};
				};
			};

			gpio0: gpio@0 {
				compatible = "oxsemi,ox810se-gpio";
				reg = <0x000000 0x100000>;
				interrupts = <21>;
				#gpio-cells = <2>;
				gpio-controller;
				interrupt-controller;
				#interrupt-cells = <2>;
				ngpios = <32>;
				oxsemi,gpio-bank = <0>;
				gpio-ranges = <&pinctrl 0 0 32>;
			};

			gpio1: gpio@100000 {
				compatible = "oxsemi,ox810se-gpio";
				reg = <0x100000 0x100000>;
				interrupts = <22>;
				#gpio-cells = <2>;
				gpio-controller;
				interrupt-controller;
				#interrupt-cells = <2>;
				ngpios = <3>;
				oxsemi,gpio-bank = <1>;
				gpio-ranges = <&pinctrl 0 32 3>;
			};

			uart0: serial@200000 {
			       compatible = "ns16550a";
			       reg = <0x200000 0x100000>;
			       clocks = <&sysclk>;
			       interrupts = <23>;
			       reg-shift = <0>;
			       fifo-size = <16>;
			       reg-io-width = <1>;
			       current-speed = <115200>;
			       no-loopback-test;
			       status = "disabled";
			       resets = <&reset RESET_UART1>;
			};

			uart1: serial@300000 {
			       compatible = "ns16550a";
			       reg = <0x300000 0x100000>;
			       clocks = <&sysclk>;
			       interrupts = <24>;
			       reg-shift = <0>;
			       fifo-size = <16>;
			       reg-io-width = <1>;
			       current-speed = <115200>;
			       no-loopback-test;
			       status = "disabled";
			       resets = <&reset RESET_UART2>;
			};

			uart2: serial@900000 {
			       compatible = "ns16550a";
			       reg = <0x900000 0x100000>;
			       clocks = <&sysclk>;
			       interrupts = <29>;
			       reg-shift = <0>;
			       fifo-size = <16>;
			       reg-io-width = <1>;
			       current-speed = <115200>;
			       no-loopback-test;
			       status = "disabled";
			       resets = <&reset RESET_UART3>;
			};

			uart3: serial@a00000 {
			       compatible = "ns16550a";
			       reg = <0xa00000 0x100000>;
			       clocks = <&sysclk>;
			       interrupts = <30>;
			       reg-shift = <0>;
			       fifo-size = <16>;
			       reg-io-width = <1>;
			       current-speed = <115200>;
			       no-loopback-test;
			       status = "disabled";
			       resets = <&reset RESET_UART4>;
			};
		};

		apb-bridge@45000000 {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "simple-bus";
			ranges = <0 0x45000000 0x1000000>;

			sys: sys-ctrl@0 {
				compatible = "oxsemi,ox810se-sys-ctrl", "syscon", "simple-mfd";
				reg = <0x000000 0x100000>;

				reset: reset-controller {
					compatible = "oxsemi,ox810se-reset";
					#reset-cells = <1>;
				};

				stdclk: stdclk {
					compatible = "oxsemi,ox810se-stdclk";
					#clock-cells = <1>;
				};
			};

			rps@300000 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "simple-bus";
				ranges = <0 0x300000 0x100000>;

				intc: interrupt-controller@0 {
					compatible = "oxsemi,ox810se-rps-irq";
					interrupt-controller;
					reg = <0 0x200>;
					#interrupt-cells = <1>;
					valid-mask = <0xffffffff>;
					clear-mask = <0xffffffff>;
				};

				timer0: timer@200 {
					compatible = "oxsemi,ox810se-rps-timer";
					reg = <0x200 0x40>;
					clocks = <&rpsclk>;
					interrupts = <4 5>;
				};
			};
		};
	};
};