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Subject[PATCH 1/2] dt-bindings: display: Add st7735s driver
Add bindings for a driver for Sitronix st7735s display controller, as
well as for a Winstar wf0096atyaa3dnn0 0.96" 80x160 TFT panel.

Signed-off-by: Stefan x Nilsson <stefan.x.nilsson@axis.com>
---
.../bindings/display/sitronix,st7735s.yaml | 81 ++++++++++++++++++++++
MAINTAINERS | 6 ++
2 files changed, 87 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/sitronix,st7735s.yaml b/Documentation/devicetree/bindings/display/sitronix,st7735s.yaml
new file mode 100644
index 000000000000..36234ec22fe2
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/sitronix,st7735s.yaml
@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/sitronix,st7735s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sitronix ST7735S Display Panels
+
+maintainers:
+ - Stefan x Nilsson <stefan.x.nilsson@axis.com>
+
+description:
+ This binding is for display panels using a Sitronix ST7735S
+ controller in SPI mode.
+
+allOf:
+ - $ref: panel/panel-common.yaml#
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - description:
+ Winstar WF0096ATYAA3DNN0 0.96" 80x160 Color TFT
+ items:
+ - enum:
+ - winstar,wf0096atyaa3dnn0
+ - const: sitronix,st7735s
+
+ dc-gpios:
+ maxItems: 1
+ description: Display data/command selection (D/CX)
+
+ backlight: true
+ reg: true
+ spi-max-frequency: true
+ reset-gpios: true
+ rotation: true
+
+required:
+ - compatible
+ - reg
+ - dc-gpios
+
+additionalProperties: true
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ backlight: backlight {
+ compatible = "gpio-backlight";
+ gpios = <&gpio 44 GPIO_ACTIVE_HIGH>;
+ };
+
+ regdisplay: regulatordisplay {
+ compatible = "regulator-fixed";
+ regulator-name = "display";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-enable-ramp-delay = <100000>;
+ enable-active-high;
+ };
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ display@0 {
+ compatible = "winstar,wf0096atyaa3dnn0","sitronix,st7735s";
+ reg = <0>;
+ spi-max-frequency = <12000000>;
+ dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
+ backlight = <&backlight>;
+ power-supply = <&regdsiplay>;
+ rotation = <270>;
+ };
+ };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 6308efa121e1..c00b2b9086f2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6728,6 +6728,12 @@ T: git git://anongit.freedesktop.org/drm/drm-misc
F: Documentation/devicetree/bindings/display/sitronix,st7735r.yaml
F: drivers/gpu/drm/tiny/st7735r.c

+DRM DRIVER FOR SITRONIX ST7735S PANELS
+M: Stefan x Nilsson <stefan.x.nilsson@axis.com>
+S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: Documentation/devicetree/bindings/display/sitronix,st7735s.yaml
+
DRM DRIVER FOR SOLOMON SSD130X OLED DISPLAYS
M: Javier Martinez Canillas <javierm@redhat.com>
S: Maintained
--
2.30.2

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