From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH v4 2/3] ARM: dts: rockchip: add rga node for rk322x Date: Sat, 18 Apr 2020 11:49:41 +0200 Message-ID: <3593382.iQIKm1rSL1@phil> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Johan Jonker Cc: justin.swartz@risingedge.co.za, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, mark.rutland@arm.com, robh+dt@kernel.org List-Id: linux-rockchip.vger.kernel.org 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) > > Johan > > +&rga { > + status = "okay"; > +}; > + > > > Add a node to define the presence of RGA, a 2D raster > > graphic acceleration unit. > > > > Signed-off-by: Justin Swartz > > --- > > 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@20060000 { > > + compatible = "rockchip,rk3228-rga", "rockchip,rk3288-rga"; > > + reg = <0x20060000 0x1000>; > > + interrupts = ; > > + 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@20070800 { > > compatible = "rockchip,iommu"; > > reg = <0x20070800 0x100>; > >