linux-kernel - Re: [PATCH v3 2/2] ARM: dts: tegra20: Add video decoder node

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Message-ID: <fe0e4bc2-3eef-f6f0-4afb-0cdcab797d7b@gmail.com>
Date:   Thu, 12 Oct 2017 14:11:54 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Jon Hunter <jonathanh@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Stephen Warren <swarren@...dotorg.org>
Cc:     Dan Carpenter <dan.carpenter@...cle.com>,
        linux-media@...r.kernel.org, linux-tegra@...r.kernel.org,
        devel@...verdev.osuosl.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] ARM: dts: tegra20: Add video decoder node

On 12.10.2017 13:57, Jon Hunter wrote:
> 
> On 12/10/17 11:51, Dmitry Osipenko wrote:
>> On 12.10.2017 11:49, Jon Hunter wrote:
>>>
>>> On 11/10/17 21:08, Dmitry Osipenko wrote:
>>>> Add a device node for the video decoder engine found on Tegra20.
>>>>
>>>> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
>>>> ---
>>>>  arch/arm/boot/dts/tegra20.dtsi | 17 +++++++++++++++++
>>>>  1 file changed, 17 insertions(+)
>>>>
>>>> diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
>>>> index 7c85f97f72ea..1b5d54b6c0cb 100644
>>>> --- a/arch/arm/boot/dts/tegra20.dtsi
>>>> +++ b/arch/arm/boot/dts/tegra20.dtsi
>>>> @@ -249,6 +249,23 @@
>>>>  		*/
>>>>  	};
>>>>  
>>>> +	vde@...1a000 {
>>>> +		compatible = "nvidia,tegra20-vde";
>>>> +		reg = <0x6001a000 0x3D00    /* VDE registers */
>>>> +		       0x40000400 0x3FC00>; /* IRAM region */
>>>> +		reg-names = "regs", "iram";
>>>> +		interrupts = <GIC_SPI  8 IRQ_TYPE_LEVEL_HIGH>, /* UCQ error interrupt */
>>>> +			     <GIC_SPI  9 IRQ_TYPE_LEVEL_HIGH>, /* Sync token interrupt */
>>>> +			     <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, /* BSE-V interrupt */
>>>> +			     <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>, /* BSE-A interrupt */
>>>> +			     <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>; /* SXE interrupt */
>>>> +		interrupt-names = "ucq-error", "sync-token", "bsev", "bsea", "sxe";
>>>> +		clocks = <&tegra_car TEGRA20_CLK_VDE>;
>>>> +		clock-names = "vde";
>>>> +		resets = <&tegra_car 61>;
>>>> +		reset-names = "vde";
>>>> +	};
>>>> +
>>>
>>> I don't see any binding documentation for this node. We need to make
>>> sure we add this.
>>>
>>
>> It's in the first patch.
>>
>> +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-vde.txt
>>
> 
> Ah yes indeed, then that needs to be a separate patch.
> 

Okay