src/arm/arm/integratorap-im-pd1.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree for the ARM Integrator/AP platform
 * with the IM-PD1 example logical module mounted.
 */

#include "integratorap.dts"

/ {
	model = "ARM Integrator/AP with IM-PD1";
	compatible = "arm,integrator-ap";

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		impd1_ram: vram@c2000000 {
			/* 1 MB of designated video RAM on the IM-PD1 */
			compatible = "shared-dma-pool";
			reg = <0xc2000000 0x00100000>;
			no-map;
		};
	};
};

&lm0 {
	syscon@0 {
		compatible = "arm,im-pd1-syscon", "syscon";
		reg = <0x00000000 0x1000>;
		ranges;
		#address-cells = <1>;
		#size-cells = <1>;

		vco1: clock-controller@0 {
			compatible = "arm,impd1-vco1";
			reg = <0x00 0x04>;
			#clock-cells = <0>;
			lock-offset = <0x08>;
			vco-offset = <0x00>;
			clocks = <&sysclk>;
			clock-output-names = "IM-PD1-VCO1";
		};

		vco2: clock-controller@4 {
			compatible = "arm,impd1-vco2";
			reg = <0x04 0x04>;
			#clock-cells = <0>;
			lock-offset = <0x08>;
			vco-offset = <0x04>;
			clocks = <&sysclk>;
			clock-output-names = "IM-PD1-VCO2";
		};
	};

	/* Also used for the Smart Card Interface SCI */
	impd1_uartclk: clock@1_4 {
		compatible = "fixed-factor-clock";
		#clock-cells = <0>;
		clock-div = <4>;
		clock-mult = <1>;
		clocks = <&vco2>;
		clock-output-names = "VCO2_DIV4";
	};

	/* For the SSP the clock is divided by 64 */
	impd1_sspclk: clock@1_64 {
		compatible = "fixed-factor-clock";
		#clock-cells = <0>;
		clock-div = <64>;
		clock-mult = <1>;
		clocks = <&vco2>;
		clock-output-names = "VCO2_DIV64";
	};

	/* Fixed regulator for the MMC */
	impd1_3v3: regulator {
		compatible = "regulator-fixed";
		regulator-name = "3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	/* Push buttons on the IM-PD1 */
	gpio_keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;

		button@0 {
			debounce-interval = <50>;
			linux,code = <KEY_UP>;
			label = "UP";
			gpios = <&impd1_gpio1 0 GPIO_ACTIVE_HIGH>;
		};
		button@1 {
			debounce-interval = <50>;
			linux,code = <KEY_DOWN>;
			label = "DOWN";
			gpios = <&impd1_gpio1 1 GPIO_ACTIVE_HIGH>;
		};
		button@2 {
			debounce-interval = <50>;
			linux,code = <KEY_LEFT>;
			label = "LEFT";
			gpios = <&impd1_gpio1 2 GPIO_ACTIVE_HIGH>;
		};
		button@3 {
			debounce-interval = <50>;
			linux,code = <KEY_RIGHT>;
			label = "UP";
			gpios = <&impd1_gpio1 3 GPIO_ACTIVE_HIGH>;
		};
		button@4 {
			debounce-interval = <50>;
			linux,code = <KEY_ESC>;
			label = "ESC";
			gpios = <&impd1_gpio1 4 GPIO_ACTIVE_HIGH>;
		};
		button@5 {
			debounce-interval = <50>;
			linux,code = <KEY_ENTER>;
			label = "ENTER";
			gpios = <&impd1_gpio1 5 GPIO_ACTIVE_HIGH>;
		};
	};


	bridge {
		compatible = "ti,ths8134b", "ti,ths8134";
		#address-cells = <1>;
		#size-cells = <0>;

		ports {
			#address-cells = <1>;
			#size-cells = <0>;
			port@0 {
				reg = <0>;
					vga_bridge_in: endpoint {
					remote-endpoint = <&clcd_pads_vga_dac>;
				};
			};

			port@1 {
				reg = <1>;

				vga_bridge_out: endpoint {
					remote-endpoint = <&vga_con_in>;
				};
			};
		};
	};

	vga {
		compatible = "vga-connector";

		port {
			vga_con_in: endpoint {
				remote-endpoint = <&vga_bridge_out>;
			};
		};
	};

	serial@100000 {
		compatible = "arm,pl011", "arm,primecell";
		reg = <0x00100000 0x1000>;
		interrupts-extended = <&impd1_vic 1>;
		clocks = <&impd1_uartclk>, <&sysclk>;
		clock-names = "uartclk", "apb_pclk";
	};

	serial@200000 {
		compatible = "arm,pl011", "arm,primecell";
		reg = <0x00200000 0x1000>;
		interrupts-extended = <&impd1_vic 2>;
		clocks = <&impd1_uartclk>, <&sysclk>;
		clock-names = "uartclk", "apb_pclk";
	};

	spi@300000 {
		compatible = "arm,pl022", "arm,primecell";
		reg = <0x00300000 0x1000>;
		interrupts-extended = <&impd1_vic 3>;
		clocks = <&impd1_sspclk>, <&sysclk>;
		clock-names = "sspclk", "apb_pclk";
	};

	impd1_gpio0: gpio@400000 {
		compatible = "arm,pl061", "arm,primecell";
		reg = <0x00400000 0x1000>;
		gpio-controller;
		#gpio-cells = <2>;
		interrupt-controller;
		#interrupt-cells = <2>;
		interrupts-extended = <&impd1_vic 4>;
		clocks = <&sysclk>;
		clock-names = "apb_pclk";
	};

	impd1_gpio1: gpio@500000 {
		compatible = "arm,pl061", "arm,primecell";
		reg = <0x00500000 0x1000>;
		gpio-controller;
		#gpio-cells = <2>;
		interrupt-controller;
		#interrupt-cells = <2>;
		interrupts-extended = <&impd1_vic 5>;
		clocks = <&sysclk>;
		clock-names = "apb_pclk";
	};

	rtc@600000 {
		compatible = "arm,pl030", "arm,primecell";
		reg = <0x00600000 0x1000>;
		interrupts-extended = <&impd1_vic 6>;
		clocks = <&sysclk>;
		clock-names = "apb_pclk";
	};

	mmc@700000 {
		compatible = "arm,pl181", "arm,primecell";
		reg = <0x00700000 0x1000>;
		interrupts-extended = <&impd1_vic 7>,
				    <&impd1_vic 8>;
		clocks = <&sysclk>, <&sysclk>;
		clock-names = "mclk", "apb_pclk";
		bus-width = <1>;
		max-frequency = <515633>;
		vmmc-supply = <&impd1_3v3>;
		wp-gpios = <&impd1_gpio0 3 GPIO_ACTIVE_HIGH>;
		cd-gpios = <&impd1_gpio0 4 GPIO_ACTIVE_LOW>;
	};

	aaci@800000 {
		compatible = "arm,pl041", "arm,primecell";
		reg = <0x00800000 0x1000>;
		interrupts-extended = <&impd1_vic 9>;
		clocks = <&sysclk>;
		clock-names = "apb_pclk";
	};

	display@1000000 {
		compatible = "arm,pl110", "arm,primecell";
		reg = <0x01000000 0x1000>;
		interrupts-extended = <&impd1_vic 11>;
		clocks = <&vco1>, <&sysclk>;
		clock-names = "clcdclk", "apb_pclk";
		/* 640x480 16bpp @ 25.175MHz is 36827428 bytes/s */
		max-memory-bandwidth = <40000000>;
		memory-region = <&impd1_ram>;
		dma-ranges;

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

			clcd_pads_vga_dac: endpoint@0 {
				reg = <0>;
				remote-endpoint = <&vga_bridge_in>;
				arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
			};
		};
	};

	impd1_vic: interrupt-controller@3000000 {
		compatible = "arm,pl192-vic";
		interrupt-controller;
		#interrupt-cells = <1>;
		reg = <0x03000000 0x1000>;
		/* Valid interrupts, 0-9 and 11 */
		valid-mask = <0x00000bff>;
		/* LM site 0 has IRQ 9 on the PIC */
		interrupts-extended = <&pic 9>;
	};
};