[PATCH 1/4 v5] drm/bridge: Add bindings for TI THS8134

[PATCH 1/4 v5] drm/bridge: Add bindings for TI THS8134

[Linus Walleij]

This adds device tree bindings for the Texas Instruments
THS8134, THS8134A and THS8134B VGA DACs by extending and
renaming the existing bindings for THS8135.

These DACs are used for the VGA outputs on the ARM reference
designs such as Integrator, Versatile and RealView.

Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Bartosz Golaszewski <bgolaszewski-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Signed-off-by: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
ChangeLog v2->v5:
- Dropped the "ti,ths813x" as it turns out we need precise info
  about the sub-variant anyways as they all very in timings.
- Refine the THS8134 variants, it turns out ths8134, ths8134a
  and ths8134b are three different variants of ths8134.
ChangeLog v1->v2:
- Introduce specific-to-general compatible string:
  compatible = "ti,ths8134a", "ti,ths813x";
  so drivers can handle the whole family the same way.
- Collected Rob's ACK.
---
 .../display/bridge/{ti,ths8135.txt => ti,ths813x.txt}       | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)
 rename Documentation/devicetree/bindings/display/bridge/{ti,ths8135.txt => ti,ths813x.txt} (69%)

diff --git a/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt b/Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
similarity index 69%
rename from Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt
rename to Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
index 6ec1a880ac18..49f155467f00 100644
--- a/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt
+++ b/Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
@@ -1,11 +1,16 @@
-THS8135 Video DAC
------------------
+THS8134 and THS8135 Video DAC
+-----------------------------
 
-This is the binding for Texas Instruments THS8135 Video DAC bridge.
+This is the binding for Texas Instruments THS8134, THS8134A, THS8134B and
+THS8135 Video DAC bridge.
 
 Required properties:
 
-- compatible: Must be "ti,ths8135"
+- compatible: Must be one of
+  "ti,ths8134"
+  "ti,ths8134", "ti,ths8134a"
+  "ti,ths8134", "ti,ths8134b"
+  "ti,ths8135"
 
 Required nodes:
 
-- 
2.14.3

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Re: [PATCH 1/4 v5] drm/bridge: Add bindings for TI THS8134

[Rob Herring]

On Fri, Dec 15, 2017 at 01:10:44PM +0100, Linus Walleij wrote:
> This adds device tree bindings for the Texas Instruments
> THS8134, THS8134A and THS8134B VGA DACs by extending and
> renaming the existing bindings for THS8135.
> 
> These DACs are used for the VGA outputs on the ARM reference
> designs such as Integrator, Versatile and RealView.
> 
> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Cc: Bartosz Golaszewski <bgolaszewski-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
> Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
> Signed-off-by: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> ---
> ChangeLog v2->v5:
> - Dropped the "ti,ths813x" as it turns out we need precise info
>   about the sub-variant anyways as they all very in timings.
> - Refine the THS8134 variants, it turns out ths8134, ths8134a
>   and ths8134b are three different variants of ths8134.
> ChangeLog v1->v2:
> - Introduce specific-to-general compatible string:
>   compatible = "ti,ths8134a", "ti,ths813x";
>   so drivers can handle the whole family the same way.
> - Collected Rob's ACK.
> ---
>  .../display/bridge/{ti,ths8135.txt => ti,ths813x.txt}       | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
>  rename Documentation/devicetree/bindings/display/bridge/{ti,ths8135.txt => ti,ths813x.txt} (69%)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt b/Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
> similarity index 69%
> rename from Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt
> rename to Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
> index 6ec1a880ac18..49f155467f00 100644
> --- a/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt
> +++ b/Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
> @@ -1,11 +1,16 @@
> -THS8135 Video DAC
> ------------------
> +THS8134 and THS8135 Video DAC
> +-----------------------------
>  
> -This is the binding for Texas Instruments THS8135 Video DAC bridge.
> +This is the binding for Texas Instruments THS8134, THS8134A, THS8134B and
> +THS8135 Video DAC bridge.
>  
>  Required properties:
>  
> -- compatible: Must be "ti,ths8135"
> +- compatible: Must be one of
> +  "ti,ths8134"
> +  "ti,ths8134", "ti,ths8134a"
> +  "ti,ths8134", "ti,ths8134b"

These should be the opposite order.

> +  "ti,ths8135"
>  
>  Required nodes:
>  
> -- 
> 2.14.3
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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Re: [PATCH 1/4 v5] drm/bridge: Add bindings for TI THS8134

[Laurent Pinchart]

Hello Linus,

Thank you for the patch.

On Friday, 15 December 2017 14:10:44 EET Linus Walleij wrote:
> This adds device tree bindings for the Texas Instruments
> THS8134, THS8134A and THS8134B VGA DACs by extending and
> renaming the existing bindings for THS8135.
> 
> These DACs are used for the VGA outputs on the ARM reference
> designs such as Integrator, Versatile and RealView.
> 
> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Cc: Bartosz Golaszewski <bgolaszewski-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
> Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
> Signed-off-by: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> ---
> ChangeLog v2->v5:
> - Dropped the "ti,ths813x" as it turns out we need precise info
>   about the sub-variant anyways as they all very in timings.
> - Refine the THS8134 variants, it turns out ths8134, ths8134a
>   and ths8134b are three different variants of ths8134.
> ChangeLog v1->v2:
> - Introduce specific-to-general compatible string:
>   compatible = "ti,ths8134a", "ti,ths813x";
>   so drivers can handle the whole family the same way.
> - Collected Rob's ACK.
> ---
>  .../display/bridge/{ti,ths8135.txt => ti,ths813x.txt}       | 13 +++++++--
>  1 file changed, 9 insertions(+), 4 deletions(-)
>  rename Documentation/devicetree/bindings/display/bridge/{ti,ths8135.txt =>
> ti,ths813x.txt} (69%)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt
> b/Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
> similarity index 69%
> rename from Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt
> rename to Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
> index 6ec1a880ac18..49f155467f00 100644
> --- a/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt
> +++ b/Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
> @@ -1,11 +1,16 @@
> -THS8135 Video DAC
> ------------------
> +THS8134 and THS8135 Video DAC
> +-----------------------------
> 
> -This is the binding for Texas Instruments THS8135 Video DAC bridge.
> +This is the binding for Texas Instruments THS8134, THS8134A, THS8134B and
> +THS8135 Video DAC bridge.

There's more than one no, so s/bridge/bridges/. Or just s/DAC bridge/DACs/ as 
bridge refers to the software implementation.

With this and Rob's comment about the compatible string ordering 
("ti,ths8134[ab]", "ti,ths8134" instead of "ti,ths8134[ab]", "ti,ths8134"),

Reviewed-by: Laurent Pinchart <laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>

>  Required properties:
> 
> -- compatible: Must be "ti,ths8135"
> +- compatible: Must be one of
> +  "ti,ths8134"
> +  "ti,ths8134", "ti,ths8134a"
> +  "ti,ths8134", "ti,ths8134b"
> +  "ti,ths8135"
> 
>  Required nodes:


-- 
Regards,

Laurent Pinchart

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