linux-kernel - Re: [PATCH 1/3] dt-bindings: ufs: Add HI3670 UFS controller binding

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Message-ID: <20181220171244.GA22403@bogus>
Date:   Thu, 20 Dec 2018 11:12:44 -0600
From:   Rob Herring <robh@...nel.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     vinholikatti@...il.com, jejb@...ux.vnet.ibm.com,
        martin.petersen@...cle.com, liwei213@...wei.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        john.stultz@...aro.org, amit.kucheria@...aro.org,
        guodong.xu@...aro.org
Subject: Re: [PATCH 1/3] dt-bindings: ufs: Add HI3670 UFS controller binding

On Fri, Dec 07, 2018 at 11:21:49PM +0530, Manivannan Sadhasivam wrote:
> Add devicetree binding for HI3670 UFS controller. HI3760 SoC is very
> similar to HI3660 SoC with almost same IPs. Only major difference interms

s/interms/in terms/

> of UFS is the PHY. HI3670 has 10nm PHY.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>  Documentation/devicetree/bindings/ufs/ufs-hisi.txt | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/ufs/ufs-hisi.txt b/Documentation/devicetree/bindings/ufs/ufs-hisi.txt
> index a48c44817367..a327c1e24365 100644
> --- a/Documentation/devicetree/bindings/ufs/ufs-hisi.txt
> +++ b/Documentation/devicetree/bindings/ufs/ufs-hisi.txt
> @@ -6,7 +6,9 @@ Each UFS Host Controller should have its own node.
>  Required properties:
>  - compatible        : compatible list, contains one of the following -
>  					"hisilicon,hi3660-ufs", "jedec,ufs-1.1" for hisi ufs
> -					host controller present on Hi36xx chipset.
> +					host controller present on Hi3660 chipset.
> +					"hisilicon,hi3670-ufs", "jedec,ufs-2.1" for hisi ufs
> +					host controller present on Hi3670 chipset.

>From the description, sounds like having "hisilicon,hi3660-ufs" as a 
fallback would be appropriate?

>  - reg               : should contain UFS register address space & UFS SYS CTRL register address,
>  - interrupt-parent  : interrupt device

Don't document interrupt-parent. It is implied.

>  - interrupts        : interrupt number
> -- 
> 2.17.1
>