linux-kernel - [PATCH v2 1/2] dt-bindings: display: panel: Add bindings for the Sitronix ST7789V panel

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Date:   Thu,  9 Feb 2017 14:14:27 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thierry Reding <thierry.reding@...il.com>
Cc:     David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        noralf@...nnes.org,
        Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH v2 1/2] dt-bindings: display: panel: Add bindings for the Sitronix ST7789V panel

The Sitronix ST7789V is an LCD panel controller, controlled over SPI, that
can drive 18-bits 240x320 LCD displays.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 Documentation/devicetree/bindings/display/panel/sitronix,st7789v.txt | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/display/panel/sitronix,st7789v.txt

diff --git a/Documentation/devicetree/bindings/display/panel/sitronix,st7789v.txt b/Documentation/devicetree/bindings/display/panel/sitronix,st7789v.txt
new file mode 100644
index 000000000000..c6995dde641b
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/sitronix,st7789v.txt
@@ -0,0 +1,37 @@
+Sitronix ST7789V RGB panel with SPI control bus
+
+Required properties:
+  - compatible: "sitronix,st7789v"
+  - reg: Chip select of the panel on the SPI bus
+  - reset-gpios: a GPIO phandle for the reset pin
+  - power-supply: phandle of the regulator that provides the supply voltage
+
+Optional properties:
+  - backlight: phandle to the backlight used
+
+The generic bindings for the SPI slaves documented in [1] also applies
+
+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/graph.txt
+
+Example:
+
+panel@0 {
+	compatible = "sitronix,st7789v";
+	reg = <0>;
+	reset-gpios = <&pio 6 11 GPIO_ACTIVE_LOW>;
+	backlight = <&pwm_bl>;
+	spi-max-frequency = <100000>;
+	spi-cpol;
+	spi-cpha;
+
+	port {
+		panel_input: endpoint {
+			remote-endpoint = <&tcon0_out_panel>;
+		};
+	};
+};
-- 
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