On 11.11.2017 17:18, Vladimir Zapolskiy wrote:
> Hi Dmitry,
>
> On 10/20/2017 12:34 AM, Dmitry Osipenko wrote:
>> From: Vladimir Zapolskiy <vz@xxxxxxxxx>
>>
>> All Tegra SoCs contain 256KiB IRAM, which is used to store CPU resume code
>> and by hardware engines like a video decoder.
>>
>> Signed-off-by: Vladimir Zapolskiy <vz@xxxxxxxxx>
>
> Please add also your own closing "Signed-off-by" tag, please reference
> to "Developer's Certificate of Origin 1.1", point (c), it is found in
> Documentation/process/submitting-patches.rst
>
Indeed, thanks!
>> ---
>> arch/arm/boot/dts/tegra114.dtsi | 8 ++++++++
>> arch/arm/boot/dts/tegra124.dtsi | 8 ++++++++
>> arch/arm/boot/dts/tegra20.dtsi | 8 ++++++++
>> arch/arm/boot/dts/tegra30.dtsi | 8 ++++++++
>
> My assumption is that Thierry would prefer to get 4 separate patches,
> one for each platform, please split the patch.
>
Thierry, would you?
> Also thanks for your time and your efforts applied to push my occasional
> change, please feel free to take your own authorship for 3 out of 4 patches.
>
Okay.
>> 4 files changed, 32 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
>> index 8932ea3afd5f..13f6087790c8 100644
>> --- a/arch/arm/boot/dts/tegra114.dtsi
>> +++ b/arch/arm/boot/dts/tegra114.dtsi
>> @@ -10,6 +10,14 @@
>> compatible = "nvidia,tegra114";
>> interrupt-parent = <&lic>;
>>
>> + iram@40000000 {
>> + compatible = "mmio-sram";
>
> Unfortunately Thierry hasn't yet replied, but my assumption is that
> the list of compatibles should be extended with one more SoC specific
> value like
>
> compatible = "nvidia,tegra114-sysram", "mmio-sram";
>
> I'm not sure, if Tegra maintainers want to see a new compatible
> described in Documentation/devicetree/bindings.
>
The custom compatible string shouldn't be needed. AFAIK, IRAM doesn't have any
exposed controls, so just a generic "mmio-sram" suits well here.
>> + reg = <0x40000000 0x40000>;
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + ranges = <0 0x40000000 0x40000>;
>> + };
>> +
>> host1x@50000000 {
>> compatible = "nvidia,tegra114-host1x", "simple-bus";
>> reg = <0x50000000 0x00028000>;
>> diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
>> index 8baf00b89efb..a3585ed82646 100644
>> --- a/arch/arm/boot/dts/tegra124.dtsi
>> +++ b/arch/arm/boot/dts/tegra124.dtsi
>
> The considerations from above are applicable to the rest of
> the touched platforms.
