[PATCH 2/2] dt-bindings: display: sitronix,st75156: add example for SPI

[Lars Rask <lars.rask@axis.com>]

From: Lars Rask <lars.rask@axis.com>

Add example for using st75156 with SPI.

Signed-off-by: Lars Rask <lars.rask@axis.com>
---
 .../bindings/display/sitronix,st75156.yaml         | 67 ++++++++++++++++++++++
 MAINTAINERS                                        |  1 +
 2 files changed, 68 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/sitronix,st75156.yaml b/Documentation/devicetree/bindings/display/sitronix,st75156.yaml
new file mode 100644
index 000000000000..a3897ddc5e38
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/sitronix,st75156.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/sitronix,st75156.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sitronix ST75156 Display Controller
+
+maintainers:
+  - Marcus Folkesson <marcus.folkesson@gmail.com>
+
+description:
+  Sitronix ST75156 is a monochrome dot matrix LCD panel used in SPI 4-wire mode.
+
+allOf:
+  - $ref: panel/panel-common.yaml#
+
+properties:
+  compatible:
+    const: sitronix,st75156
+
+  reg:
+    maxItems: 1
+
+  reset-gpios: true
+  width-mm: true
+  height-mm: true
+  panel-timing: true
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+  - width-mm
+  - height-mm
+  - panel-timing
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      display@0 {
+        compatible = "sitronix,st75156";
+        reg = <0>;
+        reset-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+        width-mm = <37>;
+        height-mm = <27>;
+
+        panel-timing {
+          hactive = <128>;
+          vactive = <96>;
+          hback-porch = <0>;
+          vback-porch = <0>;
+          clock-frequency = <0>;
+          hfront-porch = <0>;
+          hsync-len = <0>;
+          vfront-porch = <0>;
+          vsync-len = <0>;
+        };
+      };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 8014b9f8253e..9219916d8876 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8432,6 +8432,7 @@ F:	drivers/gpu/drm/sitronix/st7586.c
 DRM DRIVER FOR SITRONIX ST7571 PANELS
 M:	Marcus Folkesson <marcus.folkesson@gmail.com>
 S:	Maintained
+F:	Documentation/devicetree/bindings/display/sitronix,st75156.yaml
 F:	Documentation/devicetree/bindings/display/sitronix,st7567.yaml
 F:	Documentation/devicetree/bindings/display/sitronix,st7571.yaml
 F:	drivers/gpu/drm/sitronix/st7571-i2c.c

-- 
2.43.0