| Message ID | 20220426193645.244792-1-marex@denx.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v4,1/2] dt-bindings: display: bridge: ldb: Implement simple Freescale i.MX8MP LDB bridge | expand |
On Tue, 26 Apr 2022 at 21:37, Marek Vasut <marex@denx.de> wrote: > > The i.MX8MP contains two syscon registers which are responsible > for configuring the on-SoC DPI-to-LVDS serializer. Add DT binding > which represents this serializer as a bridge. > > Acked-by: Sam Ravnborg <sam@ravnborg.org> > Signed-off-by: Marek Vasut <marex@denx.de> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Cc: Lucas Stach <l.stach@pengutronix.de> > Cc: Maxime Ripard <maxime@cerno.tech> > Cc: Peng Fan <peng.fan@nxp.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Robby Cai <robby.cai@nxp.com> > Cc: Robert Foss <robert.foss@linaro.org> > Cc: Sam Ravnborg <sam@ravnborg.org> > Cc: Thomas Zimmermann <tzimmermann@suse.de> > Cc: devicetree@vger.kernel.org > To: dri-devel@lists.freedesktop.org > --- > V2: - Consistently use fsl,imx8mp-ldb as compatible > - Drop items: from compatible: > - Replace minItems with maxItems in clocks: > - Drop quotes from clock-names const: ldb > - Rename syscon to fsl,syscon > - Use generic name of ldb-lvds in example > V3: - Add AB from Sam > - Consistently use MX8MP > V4: - Rename to fsl-ldb all over the place > - Put the LDB node under media block controller in the example > --- > .../bindings/display/bridge/fsl,ldb.yaml | 92 +++++++++++++++++++ > 1 file changed, 92 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > new file mode 100644 > index 000000000000..77f174eee424 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > @@ -0,0 +1,92 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/fsl,ldb.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Freescale i.MX8MP DPI to LVDS bridge chip > + > +maintainers: > + - Marek Vasut <marex@denx.de> > + > +description: | > + The i.MX8MP mediamix contains two registers which are responsible > + for configuring the on-SoC DPI-to-LVDS serializer. This describes > + those registers as bridge within the DT. > + > +properties: > + compatible: > + const: fsl,imx8mp-ldb > + > + clocks: > + maxItems: 1 > + > + clock-names: > + const: ldb > + > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/properties/port > + description: Video port for DPI input. > + > + port@1: > + $ref: /schemas/graph.yaml#/properties/port > + description: Video port for LVDS Channel-A output (panel or bridge). > + > + port@2: > + $ref: /schemas/graph.yaml#/properties/port > + description: Video port for LVDS Channel-B output (panel or bridge). > + > + required: > + - port@0 > + - port@1 > + > +required: > + - compatible > + - clocks > + - ports > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/imx8mp-clock.h> > + > + blk-ctrl { > + bridge { > + compatible = "fsl,imx8mp-ldb"; > + clocks = <&clk IMX8MP_CLK_MEDIA_LDB>; > + clock-names = "ldb"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + ldb_from_lcdif2: endpoint { > + remote-endpoint = <&lcdif2_to_ldb>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + ldb_lvds_ch0: endpoint { > + remote-endpoint = <&ldb_to_lvdsx4panel>; > + }; > + }; > + > + port@2 { > + reg = <2>; > + > + ldb_lvds_ch1: endpoint { > + }; > + }; > + }; > + }; > + }; > -- Applied series to drm-misc-next.
On 5/2/22 16:46, Robert Foss wrote: > On Tue, 26 Apr 2022 at 21:37, Marek Vasut <marex@denx.de> wrote: >> >> The i.MX8MP contains two syscon registers which are responsible >> for configuring the on-SoC DPI-to-LVDS serializer. Add DT binding >> which represents this serializer as a bridge. >> >> Acked-by: Sam Ravnborg <sam@ravnborg.org> >> Signed-off-by: Marek Vasut <marex@denx.de> >> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> >> Cc: Lucas Stach <l.stach@pengutronix.de> >> Cc: Maxime Ripard <maxime@cerno.tech> >> Cc: Peng Fan <peng.fan@nxp.com> >> Cc: Rob Herring <robh+dt@kernel.org> >> Cc: Robby Cai <robby.cai@nxp.com> >> Cc: Robert Foss <robert.foss@linaro.org> >> Cc: Sam Ravnborg <sam@ravnborg.org> >> Cc: Thomas Zimmermann <tzimmermann@suse.de> >> Cc: devicetree@vger.kernel.org >> To: dri-devel@lists.freedesktop.org >> --- >> V2: - Consistently use fsl,imx8mp-ldb as compatible >> - Drop items: from compatible: >> - Replace minItems with maxItems in clocks: >> - Drop quotes from clock-names const: ldb >> - Rename syscon to fsl,syscon >> - Use generic name of ldb-lvds in example >> V3: - Add AB from Sam >> - Consistently use MX8MP >> V4: - Rename to fsl-ldb all over the place >> - Put the LDB node under media block controller in the example >> --- >> .../bindings/display/bridge/fsl,ldb.yaml | 92 +++++++++++++++++++ >> 1 file changed, 92 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml >> >> diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml >> new file mode 100644 >> index 000000000000..77f174eee424 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml >> @@ -0,0 +1,92 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/display/bridge/fsl,ldb.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Freescale i.MX8MP DPI to LVDS bridge chip >> + >> +maintainers: >> + - Marek Vasut <marex@denx.de> >> + >> +description: | >> + The i.MX8MP mediamix contains two registers which are responsible >> + for configuring the on-SoC DPI-to-LVDS serializer. This describes >> + those registers as bridge within the DT. >> + >> +properties: >> + compatible: >> + const: fsl,imx8mp-ldb >> + >> + clocks: >> + maxItems: 1 >> + >> + clock-names: >> + const: ldb >> + >> + ports: >> + $ref: /schemas/graph.yaml#/properties/ports >> + >> + properties: >> + port@0: >> + $ref: /schemas/graph.yaml#/properties/port >> + description: Video port for DPI input. >> + >> + port@1: >> + $ref: /schemas/graph.yaml#/properties/port >> + description: Video port for LVDS Channel-A output (panel or bridge). >> + >> + port@2: >> + $ref: /schemas/graph.yaml#/properties/port >> + description: Video port for LVDS Channel-B output (panel or bridge). >> + >> + required: >> + - port@0 >> + - port@1 >> + >> +required: >> + - compatible >> + - clocks >> + - ports >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + #include <dt-bindings/clock/imx8mp-clock.h> >> + >> + blk-ctrl { >> + bridge { >> + compatible = "fsl,imx8mp-ldb"; >> + clocks = <&clk IMX8MP_CLK_MEDIA_LDB>; >> + clock-names = "ldb"; >> + >> + ports { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + port@0 { >> + reg = <0>; >> + >> + ldb_from_lcdif2: endpoint { >> + remote-endpoint = <&lcdif2_to_ldb>; >> + }; >> + }; >> + >> + port@1 { >> + reg = <1>; >> + >> + ldb_lvds_ch0: endpoint { >> + remote-endpoint = <&ldb_to_lvdsx4panel>; >> + }; >> + }; >> + >> + port@2 { >> + reg = <2>; >> + >> + ldb_lvds_ch1: endpoint { >> + }; >> + }; >> + }; >> + }; >> + }; >> -- > > Applied series to drm-misc-next. You probably wanted an AB/RB from Lucas on this, maybe a fixup patch will be needed.
On Tue, Apr 26, 2022 at 09:36:44PM +0200, Marek Vasut wrote: > The i.MX8MP contains two syscon registers which are responsible > for configuring the on-SoC DPI-to-LVDS serializer. Add DT binding > which represents this serializer as a bridge. > > Acked-by: Sam Ravnborg <sam@ravnborg.org> > Signed-off-by: Marek Vasut <marex@denx.de> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Cc: Lucas Stach <l.stach@pengutronix.de> > Cc: Maxime Ripard <maxime@cerno.tech> > Cc: Peng Fan <peng.fan@nxp.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Robby Cai <robby.cai@nxp.com> > Cc: Robert Foss <robert.foss@linaro.org> > Cc: Sam Ravnborg <sam@ravnborg.org> > Cc: Thomas Zimmermann <tzimmermann@suse.de> > Cc: devicetree@vger.kernel.org > To: dri-devel@lists.freedesktop.org > --- > V2: - Consistently use fsl,imx8mp-ldb as compatible > - Drop items: from compatible: > - Replace minItems with maxItems in clocks: > - Drop quotes from clock-names const: ldb > - Rename syscon to fsl,syscon > - Use generic name of ldb-lvds in example > V3: - Add AB from Sam > - Consistently use MX8MP > V4: - Rename to fsl-ldb all over the place > - Put the LDB node under media block controller in the example > --- > .../bindings/display/bridge/fsl,ldb.yaml | 92 +++++++++++++++++++ > 1 file changed, 92 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml A little quick on the applying... > > diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > new file mode 100644 > index 000000000000..77f174eee424 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > @@ -0,0 +1,92 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/fsl,ldb.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Freescale i.MX8MP DPI to LVDS bridge chip > + > +maintainers: > + - Marek Vasut <marex@denx.de> > + > +description: | > + The i.MX8MP mediamix contains two registers which are responsible > + for configuring the on-SoC DPI-to-LVDS serializer. This describes > + those registers as bridge within the DT. This is a subblock of the mediamix? Please add 'reg' for the 2 registers even if you use a regmap. I didn't find a binding for mediamix. You really need the containing block binding before a child node. Rob
On Tue, 3 May 2022 at 02:31, Rob Herring <robh@kernel.org> wrote: > > On Tue, Apr 26, 2022 at 09:36:44PM +0200, Marek Vasut wrote: > > The i.MX8MP contains two syscon registers which are responsible > > for configuring the on-SoC DPI-to-LVDS serializer. Add DT binding > > which represents this serializer as a bridge. > > > > Acked-by: Sam Ravnborg <sam@ravnborg.org> > > Signed-off-by: Marek Vasut <marex@denx.de> > > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > > Cc: Lucas Stach <l.stach@pengutronix.de> > > Cc: Maxime Ripard <maxime@cerno.tech> > > Cc: Peng Fan <peng.fan@nxp.com> > > Cc: Rob Herring <robh+dt@kernel.org> > > Cc: Robby Cai <robby.cai@nxp.com> > > Cc: Robert Foss <robert.foss@linaro.org> > > Cc: Sam Ravnborg <sam@ravnborg.org> > > Cc: Thomas Zimmermann <tzimmermann@suse.de> > > Cc: devicetree@vger.kernel.org > > To: dri-devel@lists.freedesktop.org > > --- > > V2: - Consistently use fsl,imx8mp-ldb as compatible > > - Drop items: from compatible: > > - Replace minItems with maxItems in clocks: > > - Drop quotes from clock-names const: ldb > > - Rename syscon to fsl,syscon > > - Use generic name of ldb-lvds in example > > V3: - Add AB from Sam > > - Consistently use MX8MP > > V4: - Rename to fsl-ldb all over the place > > - Put the LDB node under media block controller in the example > > --- > > .../bindings/display/bridge/fsl,ldb.yaml | 92 +++++++++++++++++++ > > 1 file changed, 92 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > > A little quick on the applying... Darnit, you're right. Marek: Can you supply a new patch with all of the relevant changes? > > > > > diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > > new file mode 100644 > > index 000000000000..77f174eee424 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > > @@ -0,0 +1,92 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/display/bridge/fsl,ldb.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Freescale i.MX8MP DPI to LVDS bridge chip > > + > > +maintainers: > > + - Marek Vasut <marex@denx.de> > > + > > +description: | > > + The i.MX8MP mediamix contains two registers which are responsible > > + for configuring the on-SoC DPI-to-LVDS serializer. This describes > > + those registers as bridge within the DT. > > This is a subblock of the mediamix? Please add 'reg' for the 2 registers > even if you use a regmap. > > I didn't find a binding for mediamix. You really need the containing > block binding before a child node. > > Rob
On 5/3/22 14:03, Robert Foss wrote: > On Tue, 3 May 2022 at 02:31, Rob Herring <robh@kernel.org> wrote: >> >> On Tue, Apr 26, 2022 at 09:36:44PM +0200, Marek Vasut wrote: >>> The i.MX8MP contains two syscon registers which are responsible >>> for configuring the on-SoC DPI-to-LVDS serializer. Add DT binding >>> which represents this serializer as a bridge. >>> >>> Acked-by: Sam Ravnborg <sam@ravnborg.org> >>> Signed-off-by: Marek Vasut <marex@denx.de> >>> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> >>> Cc: Lucas Stach <l.stach@pengutronix.de> >>> Cc: Maxime Ripard <maxime@cerno.tech> >>> Cc: Peng Fan <peng.fan@nxp.com> >>> Cc: Rob Herring <robh+dt@kernel.org> >>> Cc: Robby Cai <robby.cai@nxp.com> >>> Cc: Robert Foss <robert.foss@linaro.org> >>> Cc: Sam Ravnborg <sam@ravnborg.org> >>> Cc: Thomas Zimmermann <tzimmermann@suse.de> >>> Cc: devicetree@vger.kernel.org >>> To: dri-devel@lists.freedesktop.org >>> --- >>> V2: - Consistently use fsl,imx8mp-ldb as compatible >>> - Drop items: from compatible: >>> - Replace minItems with maxItems in clocks: >>> - Drop quotes from clock-names const: ldb >>> - Rename syscon to fsl,syscon >>> - Use generic name of ldb-lvds in example >>> V3: - Add AB from Sam >>> - Consistently use MX8MP >>> V4: - Rename to fsl-ldb all over the place >>> - Put the LDB node under media block controller in the example >>> --- >>> .../bindings/display/bridge/fsl,ldb.yaml | 92 +++++++++++++++++++ >>> 1 file changed, 92 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml >> >> A little quick on the applying... > > Darnit, you're right. > > Marek: Can you supply a new patch with all of the relevant changes? Sure, it's coming today-ish or so.
On 5/3/22 02:31, Rob Herring wrote: Hi, [...] >> .../bindings/display/bridge/fsl,ldb.yaml | 92 +++++++++++++++++++ >> 1 file changed, 92 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > > A little quick on the applying... Right >> diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml >> new file mode 100644 >> index 000000000000..77f174eee424 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml >> @@ -0,0 +1,92 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/display/bridge/fsl,ldb.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Freescale i.MX8MP DPI to LVDS bridge chip >> + >> +maintainers: >> + - Marek Vasut <marex@denx.de> >> + >> +description: | >> + The i.MX8MP mediamix contains two registers which are responsible >> + for configuring the on-SoC DPI-to-LVDS serializer. This describes >> + those registers as bridge within the DT. > > This is a subblock of the mediamix? Please add 'reg' for the 2 registers > even if you use a regmap. I submitted a patch: [PATCH] dt-bindings: display: bridge: ldb: Fill in reg property > I didn't find a binding for mediamix. You really need the containing > block binding before a child node. Right, I'm tempted to send a revert outright and wait for the mediamix bindings to hit upstream.
> >> +description: | > >> + The i.MX8MP mediamix contains two registers which are responsible > >> + for configuring the on-SoC DPI-to-LVDS serializer. This describes > >> + those registers as bridge within the DT. > > > > This is a subblock of the mediamix? Please add 'reg' for the 2 registers > > even if you use a regmap. > > I submitted a patch: > [PATCH] dt-bindings: display: bridge: ldb: Fill in reg property Would you like me to apply this, or do you want to revert all of the above? > > > I didn't find a binding for mediamix. You really need the containing > > block binding before a child node. > > Right, I'm tempted to send a revert outright and wait for the mediamix > bindings to hit upstream.
diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml new file mode 100644 index 000000000000..77f174eee424 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/fsl,ldb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8MP DPI to LVDS bridge chip + +maintainers: + - Marek Vasut <marex@denx.de> + +description: | + The i.MX8MP mediamix contains two registers which are responsible + for configuring the on-SoC DPI-to-LVDS serializer. This describes + those registers as bridge within the DT. + +properties: + compatible: + const: fsl,imx8mp-ldb + + clocks: + maxItems: 1 + + clock-names: + const: ldb + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for DPI input. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for LVDS Channel-A output (panel or bridge). + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for LVDS Channel-B output (panel or bridge). + + required: + - port@0 + - port@1 + +required: + - compatible + - clocks + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx8mp-clock.h> + + blk-ctrl { + bridge { + compatible = "fsl,imx8mp-ldb"; + clocks = <&clk IMX8MP_CLK_MEDIA_LDB>; + clock-names = "ldb"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + ldb_from_lcdif2: endpoint { + remote-endpoint = <&lcdif2_to_ldb>; + }; + }; + + port@1 { + reg = <1>; + + ldb_lvds_ch0: endpoint { + remote-endpoint = <&ldb_to_lvdsx4panel>; + }; + }; + + port@2 { + reg = <2>; + + ldb_lvds_ch1: endpoint { + }; + }; + }; + }; + };