linux-kernel - Re: [PATCH] ARM: dts: rockchip: Add dp83867 CLK

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Date:   Mon, 05 Mar 2018 18:04:48 +0100
From:   Heiko Stübner <heiko@...ech.de>
To:     Daniel Schultz <d.schultz@...tec.de>
Cc:     robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, w.egorov@...tec.de
Subject: Re: [PATCH] ARM: dts: rockchip: Add dp83867 CLK_OUT muxing

Hi Daniel,

Am Montag, 5. März 2018, 16:57:13 CET schrieb Daniel Schultz:
> On 03/05/2018 03:15 PM, Heiko Stuebner wrote:
> > Am Montag, 5. März 2018, 13:45:11 CET schrieb Daniel Schultz:
> >> The CLK_O_SEL default is synchronous to XI input clock, which is 25 MHz.
> >> Set CLK_O_SEL to channel A transmit clock so we have 125 MHz on CLK_OUT.
> >> 
> >> Signed-off-by: Daniel Schultz <d.schultz@...tec.de>
> >> ---
> >> 
> >> The binding will be added with the next merge of net-next:
> >> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit
> >> /?id=9708fb630d19ee51ae3aeb3a533e3010da0e8570
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/log/Docum
> entation/devicetree/bindings/net/ti,dp83867.txt
> 
> If I search in the master branch, I get the patch. Did I searched wrong?

no ... seems I was just blind :-)

Heiko


> > I did find the commit, but no related change of the dp83867 dt binding
> > document [0], including a review by dt-maintainers.
> > 
> > While your property does not look overly complicated, the binding
> > should be updated nontheless.
> > 
> > 
> > Heiko
> > 
> > [0]
> > https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/log/Do
> > cumentation/devicetree/bindings/net/ti,dp83867.txt?id=9708fb630d19ee51ae3a
> > eb3a533e3010da0e8570> 
> >>   arch/arm/boot/dts/rk3288-phycore-som.dtsi | 1 +
> >>   1 file changed, 1 insertion(+)
> >> 
> >> diff --git a/arch/arm/boot/dts/rk3288-phycore-som.dtsi
> >> b/arch/arm/boot/dts/rk3288-phycore-som.dtsi index bdd80aa..e60535d
> >> 100644
> >> --- a/arch/arm/boot/dts/rk3288-phycore-som.dtsi
> >> +++ b/arch/arm/boot/dts/rk3288-phycore-som.dtsi
> >> @@ -141,6 +141,7 @@
> >> 
> >>   			ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
> >>   			ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
> >>   			enet-phy-lane-no-swap;
> >> 
> >> +			ti,clk-output-sel = <DP83867_CLK_O_SEL_CHN_A_TCLK>;
> >> 
> >>   		};
> >>   	
> >>   	};
> >>   
> >>   };