[PATCH 1/2] drm/panel: Add DT bindings for Samsung S6D27A1 display panel
Markuss Broks
markuss.broks at gmail.com
Thu Aug 5 13:33:41 UTC 2021
This adds device-tree bindings for the Samsung S6D27A1 RGB
DPI display panel.
Signed-off-by: Markuss Broks <markuss.broks at gmail.com>
---
.../display/panel/samsung,s6d27a1.yaml | 97 +++++++++++++++++++
1 file changed, 97 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6d27a1.yaml
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6d27a1.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6d27a1.yaml
new file mode 100644
index 0000000000..c6c534aa87
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/samsung,s6d27a1.yaml
@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/samsung,s6d27a1.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung S6D27A1 display panel
+
+description: The S6D27A1 is a 480x800 DPI display panel from Samsung Mobile
+ Displays (SMD). The panel must obey the rules for a SPI slave device
+ as specified in spi/spi-controller.yaml
+
+maintainers:
+ - Markuss Broks <markuss.broks at gmail.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: samsung,s6d27a1
+
+ reg: true
+
+ interrupts:
+ description: provides an optional ESD (electrostatic discharge)
+ interrupt that signals abnormalities in the display hardware.
+ This can also be raised for other reasons like erroneous
+ configuration.
+ maxItems: 1
+
+ reset-gpios: true
+
+ vci-supply:
+ description: regulator that supplies the VCI analog voltage
+ usually around 3.0 V
+
+ vccio-supply:
+ description: regulator that supplies the VCCIO voltage usually
+ around 1.8 V
+
+ backlight: true
+
+ spi-cpha: true
+
+ spi-cpol: true
+
+ spi-max-frequency:
+ maximum: 1200000
+
+ port: true
+
+required:
+ - compatible
+ - reg
+ - spi-cpha
+ - spi-cpol
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ spi {
+ compatible = "spi-gpio";
+ sck-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
+ miso-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+ mosi-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
+ cs-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
+ num-chipselects = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel at 0 {
+ compatible = "samsung,s6d27a1";
+ spi-max-frequency = <1200000>;
+ spi-cpha;
+ spi-cpol;
+ reg = <0>;
+ vci-supply = <&lcd_3v0_reg>;
+ vccio-supply = <&lcd_1v8_reg>;
+ reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
+ interrupt-parent = <&gpio>;
+ interrupts = <5 IRQ_TYPE_EDGE_RISING>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&display_out>;
+ };
+ };
+ };
+ };
+
+...
--
2.32.0
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