Re: [PATCH v1 1/2] dt-bindings: Add binding for Sitronix ST7735R display panels

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On 12/08/2017 03:41 PM, Noralf Trønnes wrote:

Den 29.11.2017 04.01, skrev 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 <david@xxxxxxxxxxxxxx>
---
  .../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 0000000..bbb8ba6
--- /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:    "sitronix,st7735r-jd-t18003-t01"
+- dc-gpios:    Display data/command selection (D/CX)
+- reset-gpios:    Reset signal (RSTX)

I'm wondering if this should be optional.

Even though the display needs the reset line to be driven, it doesn't
have to be so by a gpio, I believe you can even get away with just
using a resistor as a reset circuit.

Not terribly important, it's up to you.


It can be made optional later if needed, so I'm going to leave it as-is.
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