Re: [PATCH v3 2/3] dt-bindings: Add binding for Sitronix ST7735R display panels

[Rob Herring]

On Thu, Dec 21, 2017 at 1:23 PM, David Lechner  wrote:
> This adds a new device tree binding for Sitronix ST7735R display panels,
> such as the Adafruit 1.8" TFT.
>
> Signed-off-by: David Lechner 
> ---
>
> v3 changes:
> * compatible string is changed from "sitronix,st7735r-jd-t18003-t01" to
> "jianda,jd-t18003-t01", "sitronix,st7735r"
>
> v2 changes:
> * none
>
>  .../bindings/display/sitronix,st7735r.txt  | 35 
> ++
>  1 file changed, 35 insertions(+)
>  create mode 100644 
> Documentation/devicetree/bindings/display/sitronix,st7735r.txt

Reviewed-by: Rob Herring 
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[PATCH v3 2/3] dt-bindings: Add binding for Sitronix ST7735R display panels

[David Lechner]

This adds a new device tree binding for Sitronix ST7735R display panels,
such as the Adafruit 1.8" TFT.

Signed-off-by: David Lechner 
---

v3 changes:
* compatible string is changed from "sitronix,st7735r-jd-t18003-t01" to
"jianda,jd-t18003-t01", "sitronix,st7735r"

v2 changes:
* none

 .../bindings/display/sitronix,st7735r.txt  | 35 ++
 1 file changed, 35 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/display/sitronix,st7735r.txt

diff --git a/Documentation/devicetree/bindings/display/sitronix,st7735r.txt 
b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt
new file mode 100644
index 000..f0a5090
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt
@@ -0,0 +1,35 @@
+Sitronix ST7735R display panels
+
+This binding is for display panels using a Sitronix ST7735R controller in SPI
+mode.
+
+Required properties:
+- compatible:  "jianda,jd-t18003-t01", "sitronix,st7735r"
+- dc-gpios:Display data/command selection (D/CX)
+- reset-gpios: Reset signal (RSTX)
+
+The node for this driver must be a child node of a SPI controller, hence
+all mandatory properties described in ../spi/spi-bus.txt must be specified.
+
+Optional properties:
+- rotation:panel rotation in degrees counter clockwise (0,90,180,270)
+- backlight:   phandle of the backlight device attached to the panel
+
+Example:
+
+   backlight: backlight {
+   compatible = "gpio-backlight";
+   gpios = < 44 GPIO_ACTIVE_HIGH>;
+   }
+
+   ...
+
+   display@0{
+   compatible = "jianda,jd-t18003-t01", "sitronix,st7735r";
+   reg = <0>;
+   spi-max-frequency = <3200>;
+   dc-gpios = < 43 GPIO_ACTIVE_HIGH>;
+   reset-gpios = < 80 GPIO_ACTIVE_HIGH>;
+   rotation = <270>;
+   backlight = 
+   };
-- 
2.7.4

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