linux-kernel - [PATCH 0/3] drm: nuvoton: Add MA35D1 display controller support

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Message-ID: <20260126085727.2568958-1-a0987203069@gmail.com>
Date: Mon, 26 Jan 2026 16:57:24 +0800
From: Joey Lu <a0987203069@...il.com>
To: airlied@...il.com,
	simona@...ll.ch,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: ychuang3@...oton.com,
	schung@...oton.com,
	yclu4@...oton.com,
	a0987203069@...il.com,
	linux-arm-kernel@...ts.infradead.org,
	dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] drm: nuvoton: Add MA35D1 display controller support

Hi all,

This series adds DRM support for the Display Control Unit (DCU)
found in Nuvoton MA35D1 SoCs.

The DCU is a DPI-based display controller intended to be used with
external panels or bridges. The driver integrates with the DRM
bridge framework and supports atomic modesetting.

The series consists of three patches:

Add Device Tree binding documentation for the MA35D1 DCU

Enable the display controller in the MA35D1 SoC dtsi and SOM dts

Add the DRM driver for the MA35D1 display controller

This has been tested using modetest with a DPI panel and verified
to expose modes and perform atomic modesetting correctly.

Best regards,
Joey Lu

Joey Lu (3):
  dt-bindings: display: nuvoton: add MA35D1 DCU binding
  arm64: dts: nuvoton: ma35d1: add display controller support
  drm/nuvoton: add MA35D1 display controller driver

 .../bindings/display/nuvoton,ma35d1-dcu.yaml  |  74 ++
 .../boot/dts/nuvoton/ma35d1-som-256m.dts      |  42 +
 arch/arm64/boot/dts/nuvoton/ma35d1.dtsi       |  26 +
 drivers/gpu/drm/Kconfig                       |   1 +
 drivers/gpu/drm/Makefile                      |   1 +
 drivers/gpu/drm/nuvoton/Kconfig               |  21 +
 drivers/gpu/drm/nuvoton/Makefile              |   7 +
 drivers/gpu/drm/nuvoton/ma35_crtc.c           | 445 +++++++++
 drivers/gpu/drm/nuvoton/ma35_crtc.h           |  78 ++
 drivers/gpu/drm/nuvoton/ma35_drm.c            | 389 ++++++++
 drivers/gpu/drm/nuvoton/ma35_drm.h            |  48 +
 drivers/gpu/drm/nuvoton/ma35_interface.c      | 192 ++++
 drivers/gpu/drm/nuvoton/ma35_interface.h      |  30 +
 drivers/gpu/drm/nuvoton/ma35_plane.c          | 904 ++++++++++++++++++
 drivers/gpu/drm/nuvoton/ma35_plane.h          | 226 +++++
 drivers/gpu/drm/nuvoton/ma35_regs.h           |  88 ++
 16 files changed, 2572 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/nuvoton,ma35d1-dcu.yaml
 create mode 100644 drivers/gpu/drm/nuvoton/Kconfig
 create mode 100644 drivers/gpu/drm/nuvoton/Makefile
 create mode 100644 drivers/gpu/drm/nuvoton/ma35_crtc.c
 create mode 100644 drivers/gpu/drm/nuvoton/ma35_crtc.h
 create mode 100644 drivers/gpu/drm/nuvoton/ma35_drm.c
 create mode 100644 drivers/gpu/drm/nuvoton/ma35_drm.h
 create mode 100644 drivers/gpu/drm/nuvoton/ma35_interface.c
 create mode 100644 drivers/gpu/drm/nuvoton/ma35_interface.h
 create mode 100644 drivers/gpu/drm/nuvoton/ma35_plane.c
 create mode 100644 drivers/gpu/drm/nuvoton/ma35_plane.h
 create mode 100644 drivers/gpu/drm/nuvoton/ma35_regs.h

-- 
2.43.0