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Message-Id: <20250530-devicetree-convert-sitronix-st7586-to-yaml-v1-1-c132b512ec57@baylibre.com>
Date: Fri, 30 May 2025 18:05:42 -0500
From: David Lechner <dlechner@...libre.com>
To: David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, David Lechner <david@...hnology.com>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, David Lechner <dlechner@...libre.com>
Subject: [PATCH] dt-bindings: display: convert sitronix,st7586 to YAML
Convert the sitronix,st7586 binding documentation from .txt to .yaml.
Also added a link to the datasheet while we are touching this.
Signed-off-by: David Lechner <dlechner@...libre.com>
---
.../bindings/display/sitronix,st7586.txt | 22 --------
.../bindings/display/sitronix,st7586.yaml | 61 ++++++++++++++++++++++
MAINTAINERS | 2 +-
3 files changed, 62 insertions(+), 23 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/sitronix,st7586.txt b/Documentation/devicetree/bindings/display/sitronix,st7586.txt
deleted file mode 100644
index 1d0dad1210d380849370738dbfb6a7b0e07773e8..0000000000000000000000000000000000000000
--- a/Documentation/devicetree/bindings/display/sitronix,st7586.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-Sitronix ST7586 display panel
-
-Required properties:
-- compatible: "lego,ev3-lcd".
-- a0-gpios: The A0 signal (since this binding is for serial mode, this is
- the pin labeled D1 on the controller, not the pin labeled A0)
-- reset-gpios: Reset pin
-
-The node for this driver must be a child node of a SPI controller, hence
-all mandatory properties described in ../spi/spi-bus.txt must be specified.
-
-Optional properties:
-- rotation: panel rotation in degrees counter clockwise (0,90,180,270)
-
-Example:
- display@0{
- compatible = "lego,ev3-lcd";
- reg = <0>;
- spi-max-frequency = <10000000>;
- a0-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
- reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
- };
diff --git a/Documentation/devicetree/bindings/display/sitronix,st7586.yaml b/Documentation/devicetree/bindings/display/sitronix,st7586.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..566aaf1aeac81657d3a425f1c585894a3a6f82d3
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/sitronix,st7586.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/sitronix,st7586.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sitronix ST7586 Display Controller
+
+maintainers:
+ - David Lechner <david@...hnology.com>
+
+description:
+ Sitronix ST7586 is a driver and controller for 4-level gray
+ scale and monochrome dot matrix LCD panels.
+ https://topwaydisplay.com/sites/default/files/2020-04/ST7586S.pdf
+
+$ref: panel/panel-common.yaml#
+
+additionalProperties: false
+
+properties:
+ compatible:
+ const: lego,ev3-lcd
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency:
+ maximum: 50000000
+
+ a0-gpios:
+ description:
+ The A0 signal (for serial mode, this is the pin labeled D1 on the
+ controller, not the pin labeled A0)
+ maxItems: 1
+
+ reset-gpios: true
+ rotation: true
+
+required:
+ - compatible
+ - reg
+ - a0-gpios
+ - reset-gpios
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ display@0 {
+ compatible = "lego,ev3-lcd";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ a0-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 0d59a5910e632350a4d72a761c6c5ce1d3a1bc34..58e9591f46c7b3f7621c5a4b66f469ae2a9f9cd9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7815,7 +7815,7 @@ DRM DRIVER FOR SITRONIX ST7586 PANELS
M: David Lechner <david@...hnology.com>
S: Maintained
T: git https://gitlab.freedesktop.org/drm/misc/kernel.git
-F: Documentation/devicetree/bindings/display/sitronix,st7586.txt
+F: Documentation/devicetree/bindings/display/sitronix,st7586.yaml
F: drivers/gpu/drm/sitronix/st7586.c
DRM DRIVER FOR SITRONIX ST7571 PANELS
---
base-commit: 2a628f951ed54c30a232230b5b58349d2a8dbb11
change-id: 20250530-devicetree-convert-sitronix-st7586-to-yaml-db5d82b63ffa
Best regards,
--
David Lechner <dlechner@...libre.com>
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