linux-kernel - RE: [PATCH 1/2 v2] dt-bindings: qoriq-clock: Add coreclk

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Message-ID: <DB6PR0402MB2837A1C0A3B832AB50774177F3330@DB6PR0402MB2837.eurprd04.prod.outlook.com>
Date:   Mon, 27 Mar 2017 03:39:42 +0000
From:   Andy Tang <andy.tang@....com>
To:     "mturquette@...libre.com" <mturquette@...libre.com>
CC:     "sboyd@...eaurora.org" <sboyd@...eaurora.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Scott Wood <oss@...error.net>
Subject: RE: [PATCH 1/2 v2] dt-bindings: qoriq-clock: Add coreclk

PING!

Regards,
Yuantian

> -----Original Message-----
> From: Yuantian Tang [mailto:andy.tang@....com]
> Sent: Monday, March 20, 2017 10:37 AM
> To: mturquette@...libre.com
> Cc: sboyd@...eaurora.org; robh+dt@...nel.org; mark.rutland@....com;
> linux-clk@...r.kernel.org; devicetree@...r.kernel.org; linux-
> kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; Scott Wood;
> Andy Tang
> Subject: [PATCH 1/2 v2] dt-bindings: qoriq-clock: Add coreclk
> 
> From: Scott Wood <oss@...error.net>
> 
> ls1012a has separate input root clocks for core PLLs versus the platform PLL,
> with the latter described as sysclk in the hw docs.
> Update the qoriq-clock binding to allow a second input clock, named
> "coreclk".  If present, this clock will be used for the core PLLs.
> 
> Signed-off-by: Scott Wood <oss@...error.net>
> Signed-off-by: Tang Yuantian <andy.tang@....com>
> Acked-by: Rob Herring <robh@...nel.org>
> ---
> v2:
> 	-- change the author to Scott
>  Documentation/devicetree/bindings/clock/qoriq-clock.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/clock/qoriq-clock.txt
> b/Documentation/devicetree/bindings/clock/qoriq-clock.txt
> index aa3526f..119cafd 100644
> --- a/Documentation/devicetree/bindings/clock/qoriq-clock.txt
> +++ b/Documentation/devicetree/bindings/clock/qoriq-clock.txt
> @@ -56,6 +56,11 @@ Optional properties:
>  - clocks: If clock-frequency is not specified, sysclk may be provided
>  	as an input clock.  Either clock-frequency or clocks must be
>  	provided.
> +	A second input clock, called "coreclk", may be provided if
> +	core PLLs are based on a different input clock from the
> +	platform PLL.
> +- clock-names: Required if a coreclk is present.  Valid names are
> +	"sysclk" and "coreclk".
> 
>  2. Clock Provider
> 
> @@ -72,6 +77,7 @@ second cell is the clock index for the specified type.
>  	2	hwaccel		index (n in CLKCGnHWACSR)
>  	3	fman		0 for fm1, 1 for fm2
>  	4	platform pll	0=pll, 1=pll/2, 2=pll/3, 3=pll/4
> +	5	coreclk		must be 0
> 
>  3. Example
> 
> --
> 2.1.0.27.g96db324