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

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Message-ID: <2533855.f5ZhyS2AsA@phil>
Date:   Sat, 18 Apr 2020 12:53:30 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Justin Swartz <justin.swartz@...ingedge.co.za>
Cc:     Johan Jonker <jbx6244@...il.com>, 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

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


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>;
>