linux-kernel - Re: [PATCH v2 1/2] ARM: dts: rockchip: add rga node for rk322x

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Date:   Tue, 21 Jan 2020 23:45:23 +0200
From:   Justin Swartz <justin.swartz@...ingedge.co.za>
To:     Johan Jonker <jbx6244@...il.com>
Cc:     devicetree@...r.kernel.org, heiko@...ech.de,
        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 v2 1/2] ARM: dts: rockchip: add rga node for rk322x

Hi Johan,

On 2020-01-21 23:34, Johan Jonker wrote:

> Hi Justin,
> 
> rga is now inserted above vpu_mmu.
> Please check the address.
> 
> rga:       rga@...60000 {
> vpu_mmu: iommu@...20800 {
> 
> Should go between vop_mmu and iep_mmu.
> 
> vop_mmu: iommu@...53f00 {
> rga:       rga@...60000 {
> iep_mmu: iommu@...70800 {

Thanks!

>> 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..efa733207 100644
>> --- a/arch/arm/boot/dts/rk322x.dtsi
>> +++ b/arch/arm/boot/dts/rk322x.dtsi
>> @@ -566,6 +566,17 @@
>> 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";
>> +    };
>> +
>> vpu_mmu: iommu@...20800 {
>> compatible = "rockchip,iommu";
>> reg = <0x20020800 0x100>;
>> --
>> 2.11.0