summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml')
-rw-r--r--Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml105
1 files changed, 105 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml b/Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml
new file mode 100644
index 000000000..c0fabeb38
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml
@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/samsung,ld9040.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus
+
+maintainers:
+ - Andrzej Hajda <a.hajda@samsung.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+ compatible:
+ const: samsung,ld9040
+
+ display-timings: true
+ port: true
+ reg: true
+ reset-gpios: true
+
+ vdd3-supply:
+ description: core voltage supply
+
+ vci-supply:
+ description: voltage supply for analog circuits
+
+ power-on-delay:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: delay after turning regulators on [ms]
+
+ reset-delay:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: delay after reset sequence [ms]
+
+ panel-width-mm:
+ description: physical panel width [mm]
+
+ panel-height-mm:
+ description: physical panel height [mm]
+
+ spi-cpha: true
+ spi-cpol: true
+
+required:
+ - compatible
+ - reg
+ - vdd3-supply
+ - vci-supply
+ - reset-gpios
+ - display-timings
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ lcd@0 {
+ compatible = "samsung,ld9040";
+
+ reg = <0>;
+ vdd3-supply = <&ldo7_reg>;
+ vci-supply = <&ldo17_reg>;
+ reset-gpios = <&gpy4 5 0>;
+ spi-max-frequency = <1200000>;
+ spi-cpol;
+ spi-cpha;
+ power-on-delay = <10>;
+ reset-delay = <10>;
+ panel-width-mm = <90>;
+ panel-height-mm = <154>;
+
+ display-timings {
+ timing {
+ clock-frequency = <23492370>;
+ hactive = <480>;
+ vactive = <800>;
+ hback-porch = <16>;
+ hfront-porch = <16>;
+ vback-porch = <2>;
+ vfront-porch = <28>;
+ hsync-len = <2>;
+ vsync-len = <1>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <0>;
+ pixelclk-active = <0>;
+ };
+ };
+
+ port {
+ lcd_ep: endpoint {
+ remote-endpoint = <&fimd_dpi_ep>;
+ };
+ };
+ };
+ };
+
+...