arch/riscv/boot/dts/allwinner/sun20i-d1-lichee-rv-86-panel.dtsi

Source file repositories/reference/linux-study-clean/arch/riscv/boot/dts/allwinner/sun20i-d1-lichee-rv-86-panel.dtsi

File Facts

System
Linux kernel
Corpus path
arch/riscv/boot/dts/allwinner/sun20i-d1-lichee-rv-86-panel.dtsi
Extension
.dtsi
Size
2230 bytes
Lines
120
Domain
Architecture Layer
Bucket
arch/riscv
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) 2022 Samuel Holland <samuel@sholland.org>

#include "sun20i-d1-lichee-rv.dts"

/ {
	aliases {
		ethernet0 = &emac;
		ethernet1 = &xr829;
	};

	dmic_codec: dmic-codec {
		compatible = "dmic-codec";
		num-channels = <2>;
		#sound-dai-cells = <0>;
	};

	dmic-sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "DMIC";
		#address-cells = <1>;
		#size-cells = <0>;

		simple-audio-card,dai-link@0 {
			reg = <0>;
			format = "pdm";
			frame-master = <&link0_cpu>;
			bitclock-master = <&link0_cpu>;

			link0_cpu: cpu {
				sound-dai = <&dmic>;
			};

			link0_codec: codec {
				sound-dai = <&dmic_codec>;
			};
		};
	};

	/* PC1 is repurposed as BT_WAKE_AP */
	/delete-node/ leds;

	wifi_pwrseq: wifi-pwrseq {
		compatible = "mmc-pwrseq-simple";
		clocks = <&ccu CLK_FANOUT1>;
		clock-names = "ext_clock";
		reset-gpios = <&pio 6 12 GPIO_ACTIVE_LOW>; /* PG12 */
		assigned-clocks = <&ccu CLK_FANOUT1>;
		assigned-clock-rates = <32768>;
		pinctrl-0 = <&clk_pg11_pin>;
		pinctrl-names = "default";
	};
};

&dmic {
	pinctrl-0 = <&dmic_pb11_d0_pin>, <&dmic_pe17_clk_pin>;
	pinctrl-names = "default";
	status = "okay";
};

&ehci1 {
	status = "okay";
};

&emac {
	pinctrl-0 = <&rmii_pe_pins>;
	pinctrl-names = "default";
	phy-handle = <&ext_rmii_phy>;
	phy-mode = "rmii";
	phy-supply = <&reg_vcc_3v3>;

Annotation

Implementation Notes