RE: [PATCH] arm64: dts: ls1088a: Add USB support

[Yinbo Zhu]

-----Original Message-----
From: Shawn Guo [mailto:shawnguo@xxxxxxxxxx] 
Sent: Thursday, August 17, 2017 10:03 PM
To: Yinbo Zhu <yinbo.zhu@xxxxxxx>
Cc: linux-devel@xxxxxxxxxxxxxxxxxxxx; Rob Herring <robh+dt@xxxxxxxxxx>; Mark Rutland <mark.rutland@xxxxxxx>; Catalin Marinas <catalin.marinas@xxxxxxx>; Will Deacon <will.deacon@xxxxxxx>; Harninder Rai <harninder.rai@xxxxxxx>; Andy Tang <andy.tang@xxxxxxx>; open list: <devicetree@xxxxxxxxxxxxxxx>; Ashish Kumar <ashish.kumar@xxxxxxx>; open list <linux-kernel@xxxxxxxxxxxxxxx>; Raghav Dogra <raghav.dogra@xxxxxxx>; moderated list: <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH] arm64: dts: ls1088a: Add USB support

On Thu, Aug 17, 2017 at 10:52:38AM +0800, yinbo.zhu@xxxxxxx wrote:
> From: "yinbo.zhu" <yinbo.zhu@xxxxxxx>
> 
> Fix the issue that usb is not detected on ls1088ardb
> 
> Signed-off-by: yinbo.zhu <yinbo.zhu@xxxxxxx>
> Signed-off-by: Ran Wang <ran.wang_1@xxxxxxx>
> ---
>  arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts |  8 ++++++++
>  arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi    | 18 ++++++++++++++++++
>  2 files changed, 26 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
> index e9276a5..949cd67 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
> @@ -145,6 +145,14 @@
>  	status = "okay";
>  };
>  
> +&usb0 {
> +	status = "okay";
> +};
> +
> +&usb1 {
> +	status = "okay";
> +};
> +
>  &esdhc {
>  	status = "okay";
>  };

Sort the labelled node alphabetically.

> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> index 3a3be87..0dbff29 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> @@ -458,6 +458,24 @@
>  			status = "disabled";
>  		};
>  
> +		usb0: usb3@3100000 {
> +			compatible = "snps,dwc3";
> +			reg = <0x0 0x3100000 0x0 0x10000>;
> +			interrupts = <0 80 0x4>; /* Level high type */

Use IRQ_TYPE_LEVEL_HIGH, so that you can save the comment.

> +			dr_mode = "host";
> +			configure-gfladj;

What is this?  I do not see it in upstream kernel.

> +			snps,dis_rxdet_inp3_quirk;

You probably need a "disabled" status.

Shawn

Hi Shawn,

 About your description " You probably need a "disabled" status."
 Your meaning is that remove the property "snps,dis_rxdet_inp3_quirk;", isn't it?
 In fact, if remove the property , 1088ardb usb will doesn't detect.

Yinbo

> +		};
> +
> +		usb1: usb3@3110000 {
> +			compatible = "snps,dwc3";
> +			reg = <0x0 0x3110000 0x0 0x10000>;
> +			interrupts = <0 81 0x4>; /* Level high type */
> +			dr_mode = "host";
> +			configure-gfladj;
> +			snps,dis_rxdet_inp3_quirk;
> +		};
> +
>  		sata: sata@3200000 {
>  			compatible = "fsl,ls1088a-ahci";
>  			reg = <0x0 0x3200000 0x0 0x10000>,
> -- 
> 2.1.0.27.g96db324
> 
> 
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