ZHCAEA7 August   2024 AM62P

 

  1.   1
  2.   摘要
  3.   商标
  4. 1引言
  5. 2AM62Px 处理器
    1. 2.1 主要特性和优势
    2. 2.2 AM62P 显示子系统
    3. 2.3 AM62P 显示子系统时钟架构
  6. 3显示信号和时序参数
  7. 4集成步骤 (Linux®)
    1. 4.1 Linux® 叠加层文件
    2. 4.2 时序信息
  8. 5集成步骤 (RTOS)
  9. 6术语

Linux® 叠加层文件

本节中的代码片段由以下参考资料提供支持:

// SPDX-License-Identifier: GPL-2.0
/**
 * Microtips integrated OLDI panel (MF-101HIEBCAF0) and touch DT overlay for AM625 - SK
 *
 * Copyright (C) 2021 Texas Instruments Incorporated - http://www.ti.com/
 */

/dts-v1/;
/plugin/;

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

#include "k3-pinctrl.h"

&{/} {
	display {
		compatible = "microtips,mf-101hiebcaf0";
		/*
		* Note that the OLDI TX 0 transmits the odd set of pixels
		* while the OLDI TX 1 transmits the even set. This is a
		* fixed configuration in the IP integration and is not
		* changeable. The properties, "dual-lvds-odd-pixels" and
		* "dual-lvds-even-pixels" have been used to merely
		* identify if a Dual Link configuration is required.
		* Swapping them will not make any difference.
		*/
		port@0 {
			dual-lvds-odd-pixels;
			lcd_in0: endpoint {
				remote-endpoint = <&oldi_out0>;
			};
		};
		port@1 {
			dual-lvds-even-pixels;
			lcd_in1: endpoint {
				remote-endpoint = <&oldi_out1>;
			};
		};
	};
};

&main_pmx0 {
	main_oldi0_pins_default: main-oldi0-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x0260, PIN_OUTPUT, 0) /* (AA5) OLDI0_A0N */
			AM62X_IOPAD(0x025c, PIN_OUTPUT, 0) /* (Y6) OLDI0_A0P */
			AM62X_IOPAD(0x0268, PIN_OUTPUT, 0) /* (AD3) OLDI0_A1N */
			AM62X_IOPAD(0x0264, PIN_OUTPUT, 0) /* (AB4) OLDI0_A1P */
			AM62X_IOPAD(0x0270, PIN_OUTPUT, 0) /* (Y8) OLDI0_A2N */
			AM62X_IOPAD(0x026c, PIN_OUTPUT, 0) /* (AA8) OLDI0_A2P */
			AM62X_IOPAD(0x0278, PIN_OUTPUT, 0) /* (AB6) OLDI0_A3N */
			AM62X_IOPAD(0x0274, PIN_OUTPUT, 0) /* (AA7) OLDI0_A3P */
			AM62X_IOPAD(0x0280, PIN_OUTPUT, 0) /* (AC6) OLDI0_A4N */
			AM62X_IOPAD(0x027c, PIN_OUTPUT, 0) /* (AC5) OLDI0_A4P */
			AM62X_IOPAD(0x0288, PIN_OUTPUT, 0) /* (AE5) OLDI0_A5N */
			AM62X_IOPAD(0x0284, PIN_OUTPUT, 0) /* (AD6) OLDI0_A5P */
			AM62X_IOPAD(0x0290, PIN_OUTPUT, 0) /* (AE6) OLDI0_A6N */
			AM62X_IOPAD(0x028c, PIN_OUTPUT, 0) /* (AD7) OLDI0_A6P */
			AM62X_IOPAD(0x0298, PIN_OUTPUT, 0) /* (AD8) OLDI0_A7N */
			AM62X_IOPAD(0x0294, PIN_OUTPUT, 0) /* (AE7) OLDI0_A7P */
			AM62X_IOPAD(0x02a0, PIN_OUTPUT, 0) /* (AD4) OLDI0_CLK0N */
			AM62X_IOPAD(0x029c, PIN_OUTPUT, 0) /* (AE3) OLDI0_CLK0P */
			AM62X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (AE4) OLDI0_CLK1N */
			AM62X_IOPAD(0x02a4, PIN_OUTPUT, 0) /* (AD5) OLDI0_CLK1P */
		>;
	};
};

&dss {
	pinctrl-names = "default";
	pinctrl-0 = <&main_oldi0_pins_default &main_dss0_pins_default>;
};

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

	/* VP1: LVDS Output (OLDI TX 0) */
	port@0 {
		reg = <0>;
		oldi_out0: endpoint {
			remote-endpoint = <&lcd_in0>;
		};
	};

	/* VP1: LVDS Output (OLDI TX 1) */
	port@2 {
		reg = <2>;
		oldi_out1: endpoint {
			remote-endpoint = <&lcd_in1>;
		};
	};
};

&main_i2c0 {
	#address-cells = <1>;
	#size-cells = <0>;

	touchscreen@41 {
		compatible = "ilitek,ili251x";
		reg = <0x41>;
		interrupt-parent = <&exp1>;
		interrupts = <22 IRQ_TYPE_EDGE_FALLING>;
	};
};