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Message-ID: <20241210221508.GA550635-robh@kernel.org> Date: Tue, 10 Dec 2024 16:15:08 -0600 From: Rob Herring <robh@...nel.org> To: Liu Ying <victor.liu@....com> Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, p.zabel@...gutronix.de, maarten.lankhorst@...ux.intel.com, mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch, krzk+dt@...nel.org, conor+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com, tglx@...utronix.de, vkoul@...nel.org, kishon@...nel.org, aisheng.dong@....com, agx@...xcpu.org, francesco@...cini.it, frank.li@....com, dmitry.baryshkov@...aro.org, u.kleine-koenig@...libre.com Subject: Re: [PATCH v6 01/19] dt-bindings: display: imx: Add i.MX8qxp Display Controller processing units On Mon, Dec 09, 2024 at 11:39:05AM +0800, Liu Ying wrote: > Freescale i.MX8qxp Display Controller is implemented as construction set of > building blocks with unified concept and standardized interfaces. Document > all existing processing units. > > Signed-off-by: Liu Ying <victor.liu@....com> > --- > v6: > * No change. > > v5: > * Document aliases for processing units which have multiple instances in > the Display Controller. Drop Rob's previous R-b tag. (Maxime) > > v4: > * Collect Rob's R-b tag. > > v3: > * Combine fsl,imx8qxp-dc-fetchunit-common.yaml, > fsl,imx8qxp-dc-fetchlayer.yaml and fsl,imx8qxp-dc-fetchwarp.yaml > into 1 schema doc fsl,imx8qxp-dc-fetchunit.yaml. (Rob) > * Document all processing units. (Rob) > > v2: > * Drop fsl,dc-*-id DT properties. (Krzysztof) > * Add port property to fsl,imx8qxp-dc-tcon.yaml. (Krzysztof) > * Fix register range sizes in examples. > > .../display/imx/fsl,imx8qxp-dc-blitblend.yaml | 46 ++++++ > .../display/imx/fsl,imx8qxp-dc-clut.yaml | 49 ++++++ > .../imx/fsl,imx8qxp-dc-constframe.yaml | 49 ++++++ > .../display/imx/fsl,imx8qxp-dc-dither.yaml | 49 ++++++ > .../display/imx/fsl,imx8qxp-dc-extdst.yaml | 77 +++++++++ > .../display/imx/fsl,imx8qxp-dc-fetchunit.yaml | 147 ++++++++++++++++++ > .../display/imx/fsl,imx8qxp-dc-filter.yaml | 47 ++++++ > .../display/imx/fsl,imx8qxp-dc-framegen.yaml | 68 ++++++++ > .../display/imx/fsl,imx8qxp-dc-gammacor.yaml | 38 +++++ > .../imx/fsl,imx8qxp-dc-layerblend.yaml | 45 ++++++ > .../display/imx/fsl,imx8qxp-dc-matrix.yaml | 48 ++++++ > .../display/imx/fsl,imx8qxp-dc-rop.yaml | 48 ++++++ > .../display/imx/fsl,imx8qxp-dc-safety.yaml | 34 ++++ > .../imx/fsl,imx8qxp-dc-scaling-engine.yaml | 89 +++++++++++ > .../display/imx/fsl,imx8qxp-dc-signature.yaml | 58 +++++++ > .../display/imx/fsl,imx8qxp-dc-store.yaml | 100 ++++++++++++ > .../display/imx/fsl,imx8qxp-dc-tcon.yaml | 50 ++++++ > 17 files changed, 1042 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-blitblend.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-clut.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-constframe.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-dither.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-extdst.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-fetchunit.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-filter.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-framegen.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-gammacor.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-layerblend.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-matrix.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-rop.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-safety.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-scaling-engine.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-signature.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-store.yaml > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-tcon.yaml > > diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-blitblend.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-blitblend.yaml > new file mode 100644 > index 000000000000..7f800e72c3f3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-blitblend.yaml > @@ -0,0 +1,46 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-blitblend.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Freescale i.MX8qxp Display Controller Blit Blend Unit > + > +description: | > + Combines two input frames to a single output frame, all frames having the > + same dimension. > + > + Each Blit Blend Unit device should have an alias in the aliases node, in the > + form of dc<x>-blitblend<y>, where <x> is an integer specifying the Display > + Controller instance and <y> is an integer specifying the Blit Blend Unit > + device instance. That's really an abuse of aliases. If you need to describe connections between components, use the graph binding like everyone else does for display path components. Rob
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