arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts
Extension
.dts
Size
1589 bytes
Lines
90
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
// Copyright (C) 2019 Oceanic Systems (UK) Ltd.
// Copyright (C) 2019 Amarula Solutions B.V.
// Author: Jagan Teki <jagan@amarulasolutions.com>

/dts-v1/;

#include "sun50i-a64-sopine.dtsi"

/ {
	model = "Oceanic 5205 5inMFD";
	compatible = "oceanic,5205-5inmfd", "allwinner,sun50i-a64";

	aliases {
		ethernet0 = &emac;
		serial0 = &uart0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};
};

&ehci0 {
	status = "okay";
};

&emac {
	pinctrl-names = "default";
	pinctrl-0 = <&rgmii_pins>;
	phy-mode = "rgmii";
	phy-handle = <&ext_rgmii_phy>;
	phy-supply = <&reg_dc1sw>;
	allwinner,tx-delay-ps = <600>;
	status = "okay";
};

&i2c0 {
	status = "okay";

	touchscreen@5d {
		compatible = "goodix,gt911";
		reg = <0x5d>;
		AVDD28-supply = <&reg_ldo_io0>;			/* VDD_CTP: GPIO0-LDO */
		interrupt-parent = <&pio>;
		interrupts = <7 4 IRQ_TYPE_EDGE_FALLING>;
		irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>;	/* CTP-INT: PH4 */
		reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>;	/* CTP-RST: PH11 */
		touchscreen-inverted-x;
		touchscreen-inverted-y;
	};
};

&mdio {
	ext_rgmii_phy: ethernet-phy@1 {
		compatible = "ethernet-phy-ieee802.3-c22";
		reg = <1>;
	};
};

&ohci0 {
	status = "okay";
};

&reg_dc1sw {
	regulator-name = "vcc-phy";
};

&reg_ldo_io0 {
	regulator-min-microvolt = <2800000>;

Annotation

Implementation Notes