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

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Message-ID: <6fe375ea-4d8d-5dc2-2d17-c13aa1f46d71@gmail.com>
Date:   Thu, 12 Oct 2017 13:51:00 +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 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