[Letux-kernel] [PATCH 2/5] DTS: MIPS: JZ4780: add USB PHY&OTG

Zhou Yanjie zhouyanjie at wanyeetech.com
Wed Sep 16 18:30:36 CEST 2020


Hi Nikolaus,

The otg and phy nodes should be adjusted, I will send you a new patch as 
soon as possible.

在 2020/9/16 下午4:11, H. Nikolaus Schaller 写道:
> Signed-off-by: H. Nikolaus Schaller <hns at goldelico.com>
> ---
>   arch/mips/boot/dts/ingenic/jz4780.dtsi | 28 ++++++++++++++++++++++++++
>   1 file changed, 28 insertions(+)
>
> diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
> index ce0260a69e7dbb..7cffdc8b70be68 100644
> --- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
> +++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
> @@ -72,6 +72,16 @@ cgu: jz4780-cgu at 10000000 {
>   		#clock-cells = <1>;
>   	};
>   
> +	usb_phy: otg_phy at 10000000 {
> +		compatible = "ingenic,jz4770-phy";
> +		reg = <0x10000000 0x100>;
> +
> +		clocks = <&cgu JZ4780_CLK_OTG1>;
> +		clock-names = "usb_phy";
> +
> +		#phy-cells = <0>;
> +	};
> +
>   	tcu: timer at 10002000 {
>   		compatible = "ingenic,jz4780-tcu",
>   			     "ingenic,jz4770-tcu",
> @@ -610,4 +620,22 @@ lcdc1: lcdc1 at 130a0000 {
>   		status = "disabled";
>   	};
>   
> +	usb_otg: otg at 0x13500000 {
> +		compatible = "ingenic,jz4770-otg", "snps,dwc2";
> +		reg = <0x13500000 0x40000>;
> +
> +		interrupt-parent = <&intc>;
> +		interrupts = <21>;
> +
> +		phys = <&usb_phy>;
> +		phy-names = "usb2-phy";
> +
> +		// clocks & clock-names?
> +	//	clocks = ?;
> +	//	clock-names  = "otg";
> +
> +		g-rx-fifo-size = <256>;
> +		g-np-tx-fifo-size = <256>;
> +		g-tx-fifo-size = <256 256 256 256 256 256 256 512>;
> +	};
>   };


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