linux-kernel - [PATCH v1 4/5] dt-bindings: add winstar,wg160160 display bindings

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Date:   Thu,  2 Aug 2018 21:45:35 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Noralf T <noralf@...nnes.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc:     Sam Ravnborg <sam@...nborg.org>
Subject: [PATCH v1 4/5] dt-bindings: add winstar,wg160160 display bindings

The winstar display uses the pardata binding.

Signed-off-by: Sam Ravnborg <sam@...nborg.org>
---
 .../bindings/display/winstar,wg160160.txt          | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/winstar,wg160160.txt

diff --git a/Documentation/devicetree/bindings/display/winstar,wg160160.txt b/Documentation/devicetree/bindings/display/winstar,wg160160.txt
new file mode 100644
index 000000000000..893065d558c1
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/winstar,wg160160.txt
@@ -0,0 +1,53 @@
+DT binding for Winstar WG160160
+
+This binding is for the Winstar WG160160 display using a RA8822 controller
+
+Required properties:
+- compatible: "winstar,wg160160"
+- reg: numeric identifier for the display
+
+The node for this driver must be a child node of a parallel-data-bus, hence
+all mandatory properties described in ../pardata/parallel-data-bus.txt
+must be specified.
+
+Optional properties:
+- chipselect-gpios: GPIO used for chipselect of the display
+- reset-gpios: GPIO that can be used to do a hardware reset of the display
+- backlight: phandle of the backlight device attached to the panel
+- regulator: phandle of the regulator that provides the supply voltage
+
+Example:
+
+	backlight: backlight {
+		compatible = "gpio-backlight";
+	}
+
+	power: regulator@0 {
+	}
+
+	pardatabus {
+		compatible = "parallel-data-bus";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pardata>;
+		data-gpios = <&pioe 0 GPIO_ACTIVE_HIGH
+			      &pioe 1 GPIO_ACTIVE_HIGH
+			      &pioe 2 GPIO_ACTIVE_HIGH
+			      &pioe 3 GPIO_ACTIVE_HIGH
+			      &pioe 4 GPIO_ACTIVE_HIGH
+			      &pioe 5 GPIO_ACTIVE_HIGH
+			      &pioe 6 GPIO_ACTIVE_HIGH
+			      &pioe 7 GPIO_ACTIVE_HIGH>;
+		enable-gpios = <&pioe 8 GPIO_ACTIVE_HIGH>;
+		rs-gpios = <&pioe 12 GPIO_ACTIVE_HIGH>;
+		readdwrite-gpios = <&pioe 11 GPIO_ACTIVE_HIGH>;
+
+		wg160160@0 {
+			compatible = "winstar,wg160160";
+			reg = <1>;
+			reset-gpios = <&pioe 13 GPIO_ACTIVE_LOW>;
+			chipselect-gpios = <&pioe 9 GPIO_ACTIVE_LOW>;
+			backlight = &backlight;
+			power = &power;
+		}
+	}
+
-- 
2.12.0