linux-kernel - Re: [PATCH v2 2/6] dt-bindings: mediatek: Add smi dts binding

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Message-ID: <1431684137.4799.4.camel@mhfsdcap03>
Date:	Fri, 15 May 2015 18:02:17 +0800
From:	Yong Wu <yong.wu@...iatek.com>
To:	Rob Herring <robh+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Joerg Roedel <joro@...tes.org>
CC:	Robin Murphy <robin.murphy@....com>,
	Will Deacon <will.deacon@....com>,
	Daniel Kurtz <djkurtz@...gle.com>,
	Tomasz Figa <tfiga@...gle.com>,
	"Lucas Stach" <l.stach@...gutronix.de>,
	Mark Rutland <mark.rutland@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	<linux-mediatek@...ts.infradead.org>,
	Sasha Hauer <kernel@...gutronix.de>,
	<srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<iommu@...ts.linux-foundation.org>, <pebolle@...cali.nl>,
	<arnd@...db.de>, <mitchelh@...eaurora.org>, <k.zhang@...iatek.com>,
	<youhua.li@...iatek.com>
Subject: Re: [PATCH v2 2/6] dt-bindings: mediatek: Add smi dts binding

On Fri, 2015-05-15 at 17:43 +0800, Yong Wu wrote:
> This patch add smi binding document.
> 
> Signed-off-by: Yong Wu <yong.wu@...iatek.com>
> ---
>  .../bindings/soc/mediatek/mediatek,smi-larb.txt    | 24 ++++++++++++++++++++++
>  .../bindings/soc/mediatek/mediatek,smi.txt         | 22 ++++++++++++++++++++
>  2 files changed, 46 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt
>  create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt
> 
> diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt
> new file mode 100644
> index 0000000..c06c5b6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt
> @@ -0,0 +1,24 @@
> +SMI(Smart Multimedia Interface) Local Arbiter
> +
> +The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
> +
> +Required properties:
> +- compatible : must be "mediatek,mt8173-smi-larb"
> +- reg : the register and size of each local arbiter.
> +- smi : must be "&smi_common". Refer to bindings/soc/mediatek,smi.txt.
> +- clocks : must contain one entry for each clock-names.
> +	There are 2 clockes:
> +	APB clock : Advanced Peripheral Bus clock, It's the clock for setting
> +		the register.
> +	SMI clock : It's the clock for transfer data and command.
> +- clock-name: must be "apb" and "smi".
Sorry, Here should be clock-names. I will fix the next version.
> +
> +Example:
> +	larb0:larb@...21000 {
> +		compatible = "mediatek,mt8173-smi-larb";
> +		reg = <0 0x14021000 0 0x1000>;
> +		smi = <&smi_common>;
> +		clocks = <&mmsys MM_SMI_LARB0>,
> +			 <&mmsys MM_SMI_LARB0>;
> +		clock-names = "apb", "smi";
> +	};
> diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt
> new file mode 100644
> index 0000000..c2389b4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt
> @@ -0,0 +1,22 @@
> +SMI(Smart Multimedia Interface)
> +
> +The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
> +
> +Required properties:
> +- compatible : must be "mediatek,mt8173-smi"
> +- reg : the register and size of the smi.
> +- clocks : must contain one entry for each clock-names.
> +	There are 2 clockes:
> +	APB clock : Advanced Peripheral Bus clock, It's the clock for setting
> +		the register.
> +	SMI clock : It's the clock for transfer data and command.
> +- clock-name: must be "apb" and "smi".
the same. should be clock-names.
> +
> +Example:
> +	smi_common:smi@...22000 {
> +		compatible = "mediatek,mt8173-smi";
> +		reg = <0 0x14022000 0 0x1000>;
> +		clocks = <&mmsys MM_SMI_COMMON>,
> +			 <&mmsys MM_SMI_COMMON>;
> +		clock-names = "apb", "smi";
> +	};


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