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

H. Nikolaus Schaller hns at goldelico.com
Wed Sep 16 19:29:52 CEST 2020


Hi Zhou,
yes, I assumed that there is a problem...

If you do not want to write a full patch, just let me know what I should change.

BR and thanks,
Nikolaus


> Am 16.09.2020 um 18:30 schrieb Zhou Yanjie <zhouyanjie at wanyeetech.com>:
> 
> 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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