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Date: Mon, 22 Aug 2022 22:13:43 -0500 From: Samuel Holland <samuel@...lland.org> To: Clément Péron <peron.clem@...il.com>, Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com> Cc: Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 3/4] arm64: dts: allwinner: h6: Add GPU OPP table On 8/21/22 12:30 PM, Clément Péron wrote: > Add an Operating Performance Points table for the GPU to > enable Dynamic Voltage & Frequency Scaling on the H6. > > The voltage range is set with minival voltage set to the target > and the maximal voltage set to 1.2V. This allow DVFS framework to > work properly on board with fixed regulator. > > Signed-off-by: Clément Péron <peron.clem@...il.com> > --- > .../boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi | 88 +++++++++++++++++++ > 1 file changed, 88 insertions(+) > create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi > new file mode 100644 > index 000000000000..a66204243515 > --- /dev/null > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi > @@ -0,0 +1,88 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +// Copyright (C) 2022 Clément Péron <peron.clem@...il.com> > + > +/ { > + gpu_opp_table: gpu-opp-table { > + compatible = "operating-points-v2"; > + > + opp@...000000 { Please fix the `make dtbs_check` warnings: arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dtb: gpu-opp-table: $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$' From schema: Documentation/devicetree/bindings/opp/opp-v2.yaml arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dtb: gpu-opp-table: Unevaluated properties are not allowed ('opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000', 'opp@...000000' were unexpected) From schema: Documentation/devicetree/bindings/opp/opp-v2.yaml Regards, Samuel
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