linux-kernel - Re: [PATCH v4 2/3] ARM: dts: rockchip: add rga node for rk322x

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Date:   Sat, 18 Apr 2020 14:14:45 +0200
From:   Johan Jonker <jbx6244@...il.com>
To:     Heiko Stuebner <heiko@...ech.de>,
        Justin Swartz <justin.swartz@...ingedge.co.za>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        mark.rutland@....com, robh+dt@...nel.org
Subject: Re: [PATCH v4 2/3] ARM: dts: rockchip: add rga node for rk322x

On 4/18/20 12:53 PM, Heiko Stuebner wrote:
> Am Samstag, 18. April 2020, 11:56:03 CEST schrieb Justin Swartz:
>> Hi Johan, Heiko,
>>
>> On 2020-04-18 11:49, Heiko Stuebner wrote:
>>
>>> Am Samstag, 18. April 2020, 11:15:27 CEST schrieb Johan Jonker:
>>>
>>>> Hi Justin, Heiko,
>>>>
>>>> In the discussion about "rockchip,px30-rga" it was mentioned that:
>>>> "no status for soc internal components without any board-specifics".
>>>> The binding is in mainline, but the dts node is missing I think.
>>>> Should this also be changed?
>>>
>>> yep, drop the status disabled from the dtsi and that then results
>>> in not needing the board-level enablement
>>>
>>> (background: rga is a simple mem2mem device without any
>>> board-specific hooks)
>>
>> Shall I submit version 5 of this patch series?
> 
> I guess so ... especially as we expect patch1 to go through the
> media tree and sending a new version might serve as a ping :-)
> and include the Ack by Rob for easy applying

The conversion to rockchip-rga.yaml including rockchip,rk3228-rga is
already reviewed by robh.

> 
> 
> Heiko
> 
> 
>>
>>> Johan
>>>
>>> +&rga {
>>> +    status = "okay";
>>> +};
>>> +
>>>
>>> Add a node to define the presence of RGA, a 2D raster
>>> graphic acceleration unit.
>>>
>>> Signed-off-by: Justin Swartz <justin.swartz@...ingedge.co.za>
>>> ---
>>> arch/arm/boot/dts/rk322x.dtsi | 11 +++++++++++
>>> 1 file changed, 11 insertions(+)
>>>
>>> diff --git a/arch/arm/boot/dts/rk322x.dtsi 
>>> b/arch/arm/boot/dts/rk322x.dtsi
>>> index 340ed6ccb..29d50bebc 100644
>>> --- a/arch/arm/boot/dts/rk322x.dtsi
>>> +++ b/arch/arm/boot/dts/rk322x.dtsi
>>> @@ -621,6 +621,17 @@
>>> status = "disabled";
>>> };
>>>
>>> +    rga: rga@...60000 {
>>> +        compatible = "rockchip,rk3228-rga", "rockchip,rk3288-rga";
>>> +        reg = <0x20060000 0x1000>;
>>> +        interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
>>> +        clocks = <&cru ACLK_RGA>, <&cru HCLK_RGA>, <&cru SCLK_RGA>;
>>> +        clock-names = "aclk", "hclk", "sclk";
>>> +        resets = <&cru SRST_RGA>, <&cru SRST_RGA_A>, <&cru 
>>> SRST_RGA_H>;
>>> +        reset-names = "core", "axi", "ahb";
>>> +        status = "disabled";
>>> remove?
>>>
>>> +    };
>>> +
>>> iep_mmu: iommu@...70800 {
>>> compatible = "rockchip,iommu";
>>> reg = <0x20070800 0x100>;
>>
> 
> 
> 
>