arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts
Extension
.dts
Size
3884 bytes
Lines
225
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) 2021 BayLibre SAS
 * Author: Neil Armstrong <narmstrong@baylibre.com>
 */

/dts-v1/;

#include "meson-sm1-bananapi.dtsi"
#include <dt-bindings/sound/meson-g12a-toacodec.h>
#include <dt-bindings/sound/meson-g12a-tohdmitx.h>

/ {
	compatible = "bananapi,bpi-m5", "amlogic,sm1";
	model = "Banana Pi BPI-M5";

	/* TOFIX: handle CVBS_DET on SARADC channel 0 */
	cvbs-connector {
		compatible = "composite-video-connector";

		port {
			cvbs_connector_in: endpoint {
				remote-endpoint = <&cvbs_vdac_out>;
			};
		};
	};

	sound {
		compatible = "amlogic,axg-sound-card";
		model = "BPI-M5";
		audio-widgets = "Line", "Lineout";
		audio-aux-devs = <&tdmout_b>, <&tdmout_c>,
				 <&tdmin_a>, <&tdmin_b>, <&tdmin_c>;
		audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
				"TDM_B Playback", "TDMOUT_B OUT",
				"TDMOUT_C IN 0", "FRDDR_A OUT 2",
				"TDMOUT_C IN 1", "FRDDR_B OUT 2",
				"TDMOUT_C IN 2", "FRDDR_C OUT 2",
				"TDM_C Playback", "TDMOUT_C OUT",
				"TDMIN_A IN 4", "TDM_B Loopback",
				"TDMIN_B IN 4", "TDM_B Loopback",
				"TDMIN_C IN 4", "TDM_B Loopback",
				"TDMIN_A IN 5", "TDM_C Loopback",
				"TDMIN_B IN 5", "TDM_C Loopback",
				"TDMIN_C IN 5", "TDM_C Loopback",
				"TODDR_A IN 0", "TDMIN_A OUT",
				"TODDR_B IN 0", "TDMIN_A OUT",
				"TODDR_C IN 0", "TDMIN_A OUT",
				"TODDR_A IN 1", "TDMIN_B OUT",
				"TODDR_B IN 1", "TDMIN_B OUT",
				"TODDR_C IN 1", "TDMIN_B OUT",
				"TODDR_A IN 2", "TDMIN_C OUT",
				"TODDR_B IN 2", "TDMIN_C OUT",
				"TODDR_C IN 2", "TDMIN_C OUT",
				"Lineout", "ACODEC LOLP",
				"Lineout", "ACODEC LORP";

		clocks = <&clkc CLKID_MPLL2>,
			 <&clkc CLKID_MPLL0>,
			 <&clkc CLKID_MPLL1>;

		assigned-clocks = <&clkc CLKID_MPLL2>,
				  <&clkc CLKID_MPLL0>,
				  <&clkc CLKID_MPLL1>;
		assigned-clock-rates = <294912000>,
				       <270950400>,
				       <393216000>;

Annotation

Implementation Notes