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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <b77422198df7c285d824086131371284@risingedge.co.za>
Date:   Sat, 18 Apr 2020 11:56:03 +0200
From:   Justin Swartz <justin.swartz@...ingedge.co.za>
To:     Heiko Stuebner <heiko@...ech.de>
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

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?

> 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>;