linux-kernel - [PATCH 1/5] dt-bindings: gpu: add bindings for the Microchip GFX2D GPU

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Message-ID: <20250911-cpitchen-mainline_gfx2d-v1-1-d7fab1a381ee@microchip.com>
Date: Thu, 11 Sep 2025 17:26:25 +0200
From: Cyrille Pitchen <cyrille.pitchen@...rochip.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>, Nicolas Ferre <nicolas.ferre@...rochip.com>,
	"Alexandre Belloni" <alexandre.belloni@...tlin.com>, Claudiu Beznea
	<claudiu.beznea@...on.dev>, Russell King <linux@...linux.org.uk>
CC: <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	Cyrille Pitchen <cyrille.pitchen@...rochip.com>
Subject: [PATCH 1/5] dt-bindings: gpu: add bindings for the Microchip GFX2D
 GPU

The Microchip GFX2D GPU is embedded in the SAM9X60 and SAM9X7 SoC family.
Describe how the GFX2D GPU is integrated in these SoCs, including
register space, interrupt and clock.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@...rochip.com>
---
 .../devicetree/bindings/gpu/microchip,gfx2d.yaml   | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpu/microchip,gfx2d.yaml b/Documentation/devicetree/bindings/gpu/microchip,gfx2d.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..e416e13bc6627a0fef3c70625a6a3e2d91636ffc
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpu/microchip,gfx2d.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpu/microchip,gfx2d.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip GFX2D GPU
+
+maintainers:
+  - Cyrille Pitchen <cyrille.pitchen@...rochip.com>
+
+properties:
+  compatible:
+    enum:
+      - microchip,sam9x60-gfx2d
+      - microchip,sam9x7-gfx2d
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      const: periph_clk
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/clock/at91.h>
+    gfx2d@...18000 {
+      compatible = "microchip,sam9x60-gfx2d";
+      reg = <0xf0018000 0x4000>;
+      interrupts = <36 IRQ_TYPE_LEVEL_HIGH 0>;
+      clocks = <&pmc PMC_TYPE_PERIPHERAL 36>;
+      clock-names = "periph_clk";
+    };
+
+...

-- 
2.48.1