arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso
Extension
.dtso
Size
1739 bytes
Lines
84
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: arch/arm64
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-only OR MIT
/**
 * OLDI-LCD1EVM Rocktech integrated panel and touch DT overlay for AM654-EVM.
 * Panel Link: https://www.digimax.it/en/tft-lcd/20881-RK101II01D-CT
 * AM654 LCD EVM: https://www.ti.com/tool/TMDSLCD1EVM
 *
 * Copyright (C) 2023-2024 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;
/plugin/;

#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>

&{/} {
	vcc_5v0: lcd-regulator {
		/* Output of LM5140 */
		compatible = "regulator-fixed";
		regulator-name = "vcc_5v0";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&evm_12v0>;
	};

	display0 {
		compatible = "rocktech,rk101ii01d-ct";
		power-supply = <&vcc_5v0>;
		backlight = <&lcd_bl>;
		enable-gpios = <&pca9555 8 GPIO_ACTIVE_HIGH>;
		port {
			lcd_in0: endpoint {
				remote-endpoint = <&oldi_out0>;
			};
		};
	};

	lcd_bl: backlight {
		compatible = "pwm-backlight";
		pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
		brightness-levels =
			<0 32 64 96 128 160 192 224 255>;
		default-brightness-level = <8>;
	};
};

&dss {
	status = "okay";
};

&dss_ports {
	#address-cells = <1>;
	#size-cells = <0>;

	port@0 {
		reg = <0>;

		oldi_out0: endpoint {
			remote-endpoint = <&lcd_in0>;
		};
	};
};

&main_i2c1 {
	#address-cells = <1>;
	#size-cells = <0>;

Annotation

Implementation Notes