* [PATCH 1/1] dt-bindings: display: imx: add deprecated property 'port' and 'display-timings'
@ 2026-05-11 22:09 Frank Li
2026-05-12 16:47 ` Conor Dooley
2026-05-13 16:45 ` Rob Herring (Arm)
0 siblings, 2 replies; 5+ messages in thread
From: Frank Li @ 2026-05-11 22:09 UTC (permalink / raw)
To: Philipp Zabel, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, David Airlie, Simona Vetter, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Frank Li, Sascha Hauer,
Pengutronix Kernel Team, Fabio Estevam,
open list:DRM DRIVERS FOR FREESCALE IMX 5/6,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
open list
Cc: imx
Add deprecated property 'port' and 'display-timings' for i.MX5 SoCs (over
15 years) to fix below CHECK_DTBS warnings:
arm/boot/dts/nxp/imx/imx51-apf51dev.dtb: disp1 (fsl,imx-parallel-display): 'display-timings', 'port' do not match any of the regexes: '^pinctrl-[0-9]+$'
from schema $id: http://devicetree.org/schemas/display/imx/fsl,imx-parallel-display.yaml
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
.../display/imx/fsl,imx-parallel-display.yaml | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
index bbcfe7e2958b7..b0c5869771fae 100644
--- a/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
+++ b/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
@@ -42,6 +42,17 @@ properties:
unevaluatedProperties: false
description: output port connected to a panel
+ port:
+ $ref: /schemas/graph.yaml#/properties/port
+ unevaluatedProperties: false
+ deprecated: true
+ description: input port connected to the IPU display interface, see port@0
+
+ display-timings:
+ $ref: /schemas/display/panel/display-timings.yaml#
+ unevaluatedProperties: false
+ deprecated: true
+
required:
- compatible
--
2.43.0
^ permalink raw reply related [flat|nested] 5+ messages in thread* Re: [PATCH 1/1] dt-bindings: display: imx: add deprecated property 'port' and 'display-timings'
2026-05-11 22:09 [PATCH 1/1] dt-bindings: display: imx: add deprecated property 'port' and 'display-timings' Frank Li
@ 2026-05-12 16:47 ` Conor Dooley
2026-05-12 18:21 ` Frank Li
2026-05-13 16:45 ` Rob Herring (Arm)
1 sibling, 1 reply; 5+ messages in thread
From: Conor Dooley @ 2026-05-12 16:47 UTC (permalink / raw)
To: Frank Li
Cc: Philipp Zabel, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, David Airlie, Simona Vetter, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Sascha Hauer,
Pengutronix Kernel Team, Fabio Estevam,
open list:DRM DRIVERS FOR FREESCALE IMX 5/6,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
open list
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On Mon, May 11, 2026 at 06:09:24PM -0400, Frank Li wrote:
> Add deprecated property 'port' and 'display-timings' for i.MX5 SoCs (over
> 15 years) to fix below CHECK_DTBS warnings:
> arm/boot/dts/nxp/imx/imx51-apf51dev.dtb: disp1 (fsl,imx-parallel-display): 'display-timings', 'port' do not match any of the regexes: '^pinctrl-[0-9]+$'
> from schema $id: http://devicetree.org/schemas/display/imx/fsl,imx-parallel-display.yaml
Instead of documenting the deprecated properties, could this
device/devicetree be converted to non-deprecated properties?
>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
> ---
> .../display/imx/fsl,imx-parallel-display.yaml | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
> index bbcfe7e2958b7..b0c5869771fae 100644
> --- a/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
> +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
> @@ -42,6 +42,17 @@ properties:
> unevaluatedProperties: false
> description: output port connected to a panel
>
> + port:
> + $ref: /schemas/graph.yaml#/properties/port
> + unevaluatedProperties: false
> + deprecated: true
> + description: input port connected to the IPU display interface, see port@0
> +
> + display-timings:
> + $ref: /schemas/display/panel/display-timings.yaml#
> + unevaluatedProperties: false
> + deprecated: true
> +
> required:
> - compatible
>
> --
> 2.43.0
>
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 1/1] dt-bindings: display: imx: add deprecated property 'port' and 'display-timings'
2026-05-12 16:47 ` Conor Dooley
@ 2026-05-12 18:21 ` Frank Li
2026-05-12 20:25 ` Conor Dooley
0 siblings, 1 reply; 5+ messages in thread
From: Frank Li @ 2026-05-12 18:21 UTC (permalink / raw)
To: Conor Dooley
Cc: Philipp Zabel, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, David Airlie, Simona Vetter, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Sascha Hauer,
Pengutronix Kernel Team, Fabio Estevam,
open list:DRM DRIVERS FOR FREESCALE IMX 5/6,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
open list
On Tue, May 12, 2026 at 05:47:11PM +0100, Conor Dooley wrote:
> On Mon, May 11, 2026 at 06:09:24PM -0400, Frank Li wrote:
> > Add deprecated property 'port' and 'display-timings' for i.MX5 SoCs (over
> > 15 years) to fix below CHECK_DTBS warnings:
> > arm/boot/dts/nxp/imx/imx51-apf51dev.dtb: disp1 (fsl,imx-parallel-display): 'display-timings', 'port' do not match any of the regexes: '^pinctrl-[0-9]+$'
> > from schema $id: http://devicetree.org/schemas/display/imx/fsl,imx-parallel-display.yaml
>
> Instead of documenting the deprecated properties, could this
> device/devicetree be converted to non-deprecated properties?
Change dts will cause break back compatiblity. This is too old chips and
I have not information panel's detail information.
Frank
>
> >
> > Signed-off-by: Frank Li <Frank.Li@nxp.com>
> > ---
> > .../display/imx/fsl,imx-parallel-display.yaml | 11 +++++++++++
> > 1 file changed, 11 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
> > index bbcfe7e2958b7..b0c5869771fae 100644
> > --- a/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
> > +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
> > @@ -42,6 +42,17 @@ properties:
> > unevaluatedProperties: false
> > description: output port connected to a panel
> >
> > + port:
> > + $ref: /schemas/graph.yaml#/properties/port
> > + unevaluatedProperties: false
> > + deprecated: true
> > + description: input port connected to the IPU display interface, see port@0
> > +
> > + display-timings:
> > + $ref: /schemas/display/panel/display-timings.yaml#
> > + unevaluatedProperties: false
> > + deprecated: true
> > +
> > required:
> > - compatible
> >
> > --
> > 2.43.0
> >
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 1/1] dt-bindings: display: imx: add deprecated property 'port' and 'display-timings'
2026-05-12 18:21 ` Frank Li
@ 2026-05-12 20:25 ` Conor Dooley
0 siblings, 0 replies; 5+ messages in thread
From: Conor Dooley @ 2026-05-12 20:25 UTC (permalink / raw)
To: Frank Li
Cc: Philipp Zabel, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, David Airlie, Simona Vetter, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Sascha Hauer,
Pengutronix Kernel Team, Fabio Estevam,
open list:DRM DRIVERS FOR FREESCALE IMX 5/6,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
open list
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On Tue, May 12, 2026 at 02:21:43PM -0400, Frank Li wrote:
> On Tue, May 12, 2026 at 05:47:11PM +0100, Conor Dooley wrote:
> > On Mon, May 11, 2026 at 06:09:24PM -0400, Frank Li wrote:
> > > Add deprecated property 'port' and 'display-timings' for i.MX5 SoCs (over
> > > 15 years) to fix below CHECK_DTBS warnings:
> > > arm/boot/dts/nxp/imx/imx51-apf51dev.dtb: disp1 (fsl,imx-parallel-display): 'display-timings', 'port' do not match any of the regexes: '^pinctrl-[0-9]+$'
> > > from schema $id: http://devicetree.org/schemas/display/imx/fsl,imx-parallel-display.yaml
> >
> > Instead of documenting the deprecated properties, could this
> > device/devicetree be converted to non-deprecated properties?
>
> Change dts will cause break back compatiblity. This is too old chips and
How would changing the dts impact backwards compatibility? That argument
doesn't make sense to me, I am of course not suggesting removing support
from these properties from the driver.
I do accept that the argument of lacking info on the panel.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: not-applicable
> I have not information panel's detail information.
>
> Frank
>
> >
> > >
> > > Signed-off-by: Frank Li <Frank.Li@nxp.com>
> > > ---
> > > .../display/imx/fsl,imx-parallel-display.yaml | 11 +++++++++++
> > > 1 file changed, 11 insertions(+)
> > >
> > > diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
> > > index bbcfe7e2958b7..b0c5869771fae 100644
> > > --- a/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
> > > +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx-parallel-display.yaml
> > > @@ -42,6 +42,17 @@ properties:
> > > unevaluatedProperties: false
> > > description: output port connected to a panel
> > >
> > > + port:
> > > + $ref: /schemas/graph.yaml#/properties/port
> > > + unevaluatedProperties: false
> > > + deprecated: true
> > > + description: input port connected to the IPU display interface, see port@0
> > > +
> > > + display-timings:
> > > + $ref: /schemas/display/panel/display-timings.yaml#
> > > + unevaluatedProperties: false
> > > + deprecated: true
> > > +
> > > required:
> > > - compatible
> > >
> > > --
> > > 2.43.0
> > >
>
>
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 1/1] dt-bindings: display: imx: add deprecated property 'port' and 'display-timings'
2026-05-11 22:09 [PATCH 1/1] dt-bindings: display: imx: add deprecated property 'port' and 'display-timings' Frank Li
2026-05-12 16:47 ` Conor Dooley
@ 2026-05-13 16:45 ` Rob Herring (Arm)
1 sibling, 0 replies; 5+ messages in thread
From: Rob Herring (Arm) @ 2026-05-13 16:45 UTC (permalink / raw)
To: Frank Li
Cc: linux-kernel, imx, Thomas Zimmermann, Philipp Zabel,
Simona Vetter, devicetree, linux-arm-kernel,
Pengutronix Kernel Team, Fabio Estevam, David Airlie,
Sascha Hauer, Maxime Ripard, Maarten Lankhorst, dri-devel,
Krzysztof Kozlowski, Conor Dooley
On Mon, 11 May 2026 18:09:24 -0400, Frank Li wrote:
> Add deprecated property 'port' and 'display-timings' for i.MX5 SoCs (over
> 15 years) to fix below CHECK_DTBS warnings:
> arm/boot/dts/nxp/imx/imx51-apf51dev.dtb: disp1 (fsl,imx-parallel-display): 'display-timings', 'port' do not match any of the regexes: '^pinctrl-[0-9]+$'
> from schema $id: http://devicetree.org/schemas/display/imx/fsl,imx-parallel-display.yaml
>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
> ---
> .../display/imx/fsl,imx-parallel-display.yaml | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
Applied, thanks!
^ permalink raw reply [flat|nested] 5+ messages in thread
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2026-05-11 22:09 [PATCH 1/1] dt-bindings: display: imx: add deprecated property 'port' and 'display-timings' Frank Li
2026-05-12 16:47 ` Conor Dooley
2026-05-12 18:21 ` Frank Li
2026-05-12 20:25 ` Conor Dooley
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