【问题标题】:ADV7513 on yocto - kernel 4.14yocto 上的 ADV7513 - 内核 4.14
【发布时间】:2019-03-28 22:03:22
【问题描述】:

我正在使用 yocto rocko / Linux 4.14.24 开发 IMX6QP,并且我正在尝试使用 ADV7513。 我的 CPU 板是karo TX6QP

尽我所能: DISP0_output (IPU1) -> adv7513_in -> hdmi 连接器

内核配置:

CONFIG_DRM = y
CONFIG_DRM_I2C_ADV7511 = m

dtb: 在 I2C 部分:

hdmi@39 {
compatible = "adi,adv7513";
reg = <0x39>;
interrupt-parent = <&gpio4>;
interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
pd-gpio = <&gpio3 18 GPIO_ACTIVE_HIGH>;

adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
adi,input-style = <1>;
adi,input-justification = "evenly";

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

port@0 { /* DISP out */
reg = <0>;
adv7513_in: endpoint {
remote-endpoint = <&ipu1_di0_disp0>;
};
};

port@1 { /* HDMI out */
reg = <1>;
adv7513_out: endpoint {
remote-endpoint = <&hdmi_con>;
};
};
};
};

在主要部分:

hdmi-out0 {

status = "okay";
compatible = "hdmi-connector";
type = "a";

port {
hdmi_con: endpoint {
remote-endpoint = <&adv7513_out>;
};
};
};

ADV7513 未启动,因为它未绑定:从未调用函数“adv7511_bridge_attach”。

如何在 DISP 输出上绑定编码器?

有什么想法吗?

rBeal

【问题讨论】:

    标签: kernel yocto imx6


    【解决方案1】:

    问题在于 ipu1 和 adv7511 的绑定。 解决了:

    display: disp0 {
            compatible = "fsl,imx-parallel-display";
            #address-cells = <1>;
            #size-cells = <0>;
            pinctrl-names = "default";
            pinctrl-0 = <&pinctrl_disp0_2>;
            interface-pix-fmt = "rgb24";
    
            bits-per-pixel = <32>;
            bus-width = <24>;
    
            status = "okay";
    
            port@0 {
                    reg = <0>;
                    lcd_in: endpoint {
                            remote-endpoint = <&ipu1_di0_disp0>;
                    };
            };
    
            port@1 {
                    reg = <1>;
                    lcd_out: endpoint {
                            remote-endpoint = <&adv7511_in>;
                    };
            };
    

    ipu1 现在绑定在 adv7511 上。

    解决了

    【讨论】:

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