| Message ID | 20241029120236.299040-2-festevam@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,1/3] dt-bindings: lcdif: Document a imx6sx-lcdif fallback | expand |
Am Tue, 29 Oct 2024 09:02:35 -0300 schrieb Fabio Estevam <festevam@gmail.com>: > From: Fabio Estevam <festevam@denx.de> > > imx6sl.dtsi and imx6sll.dtsi have the following lcdif entries: > > compatible = "fsl,imx6sl-lcdif", "fsl,imx28-lcdif"; > > This causes dt-schema warnings as the current binding only > allow 'fsl,imx6sx-lcdif' as fallback. > > ['fsl,imx6sl-lcdif', 'fsl,imx28-lcdif'] is too long > ['fsl,imx6sll-lcdif', 'fsl,imx28-lcdif'] is too long > > The imx6sx-lcdif programming model has more advanced features, such > as overlay plane and the CRC32 support than the imx28-lcdif IP. > > Expand the imx6sl/imx6sll lcdif fallbacks to accept a less specific > fsl,imx28-lcdif fallback: > > compatible = "fsl,imx6sl-lcdif", "fsl,imx6sx-lcdif", > "fsl,imx28-lcdif"; > > This helps keeping DT compatibility as well as using the more advanced > lcdif features found on imx6sl and imx6sll. > > Signed-off-by: Fabio Estevam <festevam@denx.de> > --- > Changes since v1: > - Newly introduced. > > .../devicetree/bindings/display/fsl,lcdif.yaml | 14 > +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml > b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml index > 836955de3bc9..08ce19638fbd 100644 --- > a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml +++ > b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml @@ -32,11 > +32,23 @@ properties: > - fsl,imx8mn-lcdif > - fsl,imx8mq-lcdif > - const: fsl,imx6sx-lcdif > + - items: > + - const: fsl,imx6sl-lcdif > + - const: fsl,imx6sx-lcdif > + - const: fsl,imx28-lcdif > + - items: > + - const: fsl,imx6sll-lcdif > + - const: fsl,imx6sx-lcdif > + - const: fsl,imx28-lcdif > + - items: > + - enum: > + - fsl,imx6sl-lcdif > + - fsl,imx6sll-lcdif > + - const: fsl,imx28-lcdif What do we need this for? Either imx6sx-lcdif is a useful fallback compatible or not. But not sometimes. Looking at the kernel driver: It is. So IMHO only the three element variants should be allowed. Regards, Andreas
diff --git a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml index 836955de3bc9..08ce19638fbd 100644 --- a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml +++ b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml @@ -32,11 +32,23 @@ properties: - fsl,imx8mn-lcdif - fsl,imx8mq-lcdif - const: fsl,imx6sx-lcdif + - items: + - const: fsl,imx6sl-lcdif + - const: fsl,imx6sx-lcdif + - const: fsl,imx28-lcdif + - items: + - const: fsl,imx6sll-lcdif + - const: fsl,imx6sx-lcdif + - const: fsl,imx28-lcdif + - items: + - enum: + - fsl,imx6sl-lcdif + - fsl,imx6sll-lcdif + - const: fsl,imx28-lcdif - items: - enum: - fsl,imx6sx-lcdif - const: fsl,imx28-lcdif - reg: maxItems: 1