linux-kernel - Re: [PATCH v6 3/4] soc: mediatek: Add MT2701 power dt-bindings

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Message-ID: <1460631381.13240.3.camel@mtksdaap41>
Date:	Thu, 14 Apr 2016 18:56:21 +0800
From:	Yingjoe Chen <yingjoe.chen@...iatek.com>
To:	James Liao <jamesjj.liao@...iatek.com>
CC:	Matthias Brugger <matthias.bgg@...il.com>,
	Sascha Hauer <kernel@...gutronix.de>,
	Rob Herring <robh@...nel.org>, <srv_heupstream@...iatek.com>,
	<devicetree@...r.kernel.org>, Kevin Hilman <khilman@...nel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-mediatek@...ts.infradead.org>,
	Shunli Wang <shunli.wang@...iatek.com>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v6 3/4] soc: mediatek: Add MT2701 power dt-bindings

On Thu, 2016-04-14 at 16:16 +0800, James Liao wrote:
> From: Shunli Wang <shunli.wang@...iatek.com>
> 
> Add power dt-bindings for MT2701.
> 
> Signed-off-by: Shunli Wang <shunli.wang@...iatek.com>
> Signed-off-by: James Liao <jamesjj.liao@...iatek.com>
> Acked-by: Rob Herring <robh@...nel.org>
> Reviewed-by: Kevin Hilman <khilman@...libre.com>
> ---
>  .../devicetree/bindings/soc/mediatek/scpsys.txt    | 12 ++++++----
>  include/dt-bindings/power/mt2701-power.h           | 27 ++++++++++++++++++++++
>  2 files changed, 34 insertions(+), 5 deletions(-)
>  create mode 100644 include/dt-bindings/power/mt2701-power.h
> 
> diff --git a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
> index e8f15e3..ebb3144 100644
> --- a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
> +++ b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
> @@ -9,17 +9,19 @@ domain control.
>  
>  The driver implements the Generic PM domain bindings described in
>  power/power_domain.txt. It provides the power domains defined in
> -include/dt-bindings/power/mt8173-power.h.
> +include/dt-bindings/power/mt8173-power.h and mt2701-power.h.
>  
>  Required properties:
> -- compatible: Must be "mediatek,mt8173-scpsys"
> +- compatible: Should be one of:
> +	- "mediatek,mt2701-scpsys"
> +	- "mediatek,mt8173-scpsys"
>  - #power-domain-cells: Must be 1
>  - reg: Address range of the SCPSYS unit
>  - infracfg: must contain a phandle to the infracfg controller
>  - clock, clock-names: clocks according to the common clock binding.
> -                      The clocks needed "mm", "mfg", "venc" and "venc_lt".
> -		      These are the clocks which hardware needs to be enabled
> -		      before enabling certain power domains.
> +                      The clocks needed "mm", "mfg", "venc", "venc_lt" and
> +                      "ethif". These are the clocks which hardware needs to be
> +                      enabled before enabling certain power domains.


Clock ethif only exist on mt2701 so it is not required on mt8173.

Joe.C