linux-kernel - [PATCH v3 1/2] dt-bindings: drm: panel: Add Samsung s6e63m0 panel documentation

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Date:   Sat,  2 Feb 2019 15:27:47 +0100
From:   Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
To:     thierry.reding@...il.com
Cc:     airlied@...ux.ie, daniel@...ll.ch, robh+dt@...nel.org,
        mark.rutland@....com, m.szyprowski@...sung.com, krzk@...nel.org,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jonathan Bakker <xc-racer2@...e.ca>,
        Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
Subject: [PATCH v3 1/2] dt-bindings: drm: panel: Add Samsung s6e63m0 panel documentation

From: Jonathan Bakker <xc-racer2@...e.ca>

This commit adds documentation for Samsung s6e63m0 AMOLED LCD panel
driver.

Signed-off-by: Jonathan Bakker <xc-racer2@...e.ca>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
---
Changes from v1:
  - Add missing subject prefix
  - Rename reset-gpio to reset-gpios
  - Add link to spi properites documentation. They're required
    for driver to work
  - Removed delay properties, which are now hardcoded in driver
  - Removed display timings, which are now hardcoded in driver
---
 .../display/panel/samsung,s6e63m0.txt         | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6e63m0.txt

diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6e63m0.txt b/Documentation/devicetree/bindings/display/panel/samsung,s6e63m0.txt
new file mode 100644
index 000000000000..9fb9ebeef8e4
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/samsung,s6e63m0.txt
@@ -0,0 +1,33 @@
+Samsung s6e63m0 AMOLED LCD panel
+
+Required properties:
+  - compatible: "samsung,s6e63m0"
+  - reset-gpios: GPIO spec for reset pin
+  - vdd3-supply: VDD regulator
+  - vci-supply: VCI regulator
+
+The panel must obey rules for SPI slave device specified in document [1].
+
+The device node can contain one 'port' child node with one child
+'endpoint' node, according to the bindings defined in [2]. This
+node should describe panel's video bus.
+
+[1]: Documentation/devicetree/bindings/spi/spi-bus.txt
+[2]: Documentation/devicetree/bindings/media/video-interfaces.txt
+
+Example:
+
+		s6e63m0: display@0 {
+			compatible = "samsung,s6e63m0";
+			reg = <0>;
+			reset-gpio = <&mp05 5 1>;
+			vdd3-supply = <&ldo12_reg>;
+			vci-supply = <&ldo11_reg>;
+			spi-max-frequency = <1200000>;
+
+			port {
+				lcd_ep: endpoint {
+					remote-endpoint = <&fimd_ep>;
+				};
+			};
+		};
-- 
2.17.1