linux-kernel - [PATCH v2 0/4] drm/panel: ilitek-ili9806e: add Rocktech RK050HR345-CT106A support

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Message-ID: <20260114161636.1076706-1-dario.binacchi@amarulasolutions.com>
Date: Wed, 14 Jan 2026 17:16:15 +0100
From: Dario Binacchi <dario.binacchi@...rulasolutions.com>
To: linux-kernel@...r.kernel.org
Cc: linux-amarula@...rulasolutions.com,
	Dario Binacchi <dario.binacchi@...rulasolutions.com>,
	Conor Dooley <conor+dt@...nel.org>,
	David Airlie <airlied@...il.com>,
	Jessica Zhang <jesszhan0024@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Michael Walle <mwalle@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Simona Vetter <simona@...ll.ch>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	devicetree@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH v2 0/4] drm/panel: ilitek-ili9806e: add Rocktech RK050HR345-CT106A support

This series extends the Ilitek ILI9806E panel driver to support the
Rocktech RK050HR345-CT106A model via SPI.

To achieve this, the current driver (previously restricted to DSI) is
refactored to support both DSI and SPI variants independently.

The series includes:
 - A refactoring of the existing driver and Kconfig to support
   multiple buses.
 - DT binding documentation for the Rocktech RK050HR345-CT106A.
 - The implementation of the SPI-based driver for the Rocktech panel.

Changes in v2:
- Introduce DRM_PANEL_ILITEK_ILI9806E_CORE hidden kconfig option.
- Split core and DSI logic.
- Restore vdd-supply as required for both DSI and SPI types in the
  dt-bindings.
- Dop useless settings in case of rocktech,rk050hr345-ct106a in the
  dt-bindings.

Dario Binacchi (4):
  drm/panel: ilitek-ili9806e: rename to specific DSI driver
  drm/panel: ilitek-ili9806e: split core and DSI logic
  dt-bindings: ili9806e: add Rocktech RK050HR345-CT106A display
  drm/panel: ilitek-ili9806e: add Rocktech RK050HR345-CT106A SPI panel

 .../display/panel/ilitek,ili9806e.yaml        |  38 ++-
 MAINTAINERS                                   |   3 +-
 drivers/gpu/drm/panel/Kconfig                 |  24 +-
 drivers/gpu/drm/panel/Makefile                |   4 +-
 .../drm/panel/panel-ilitek-ili9806e-core.c    | 134 ++++++++
 .../drm/panel/panel-ilitek-ili9806e-core.h    |  15 +
 ...ili9806e.c => panel-ilitek-ili9806e-dsi.c} | 153 +++------
 .../gpu/drm/panel/panel-ilitek-ili9806e-spi.c | 323 ++++++++++++++++++
 8 files changed, 576 insertions(+), 118 deletions(-)
 create mode 100644 drivers/gpu/drm/panel/panel-ilitek-ili9806e-core.c
 create mode 100644 drivers/gpu/drm/panel/panel-ilitek-ili9806e-core.h
 rename drivers/gpu/drm/panel/{panel-ilitek-ili9806e.c => panel-ilitek-ili9806e-dsi.c} (82%)
 create mode 100644 drivers/gpu/drm/panel/panel-ilitek-ili9806e-spi.c

-- 
2.43.0

base-commit: c537e12daeecaecdcd322c56a5f70659d2de7bde
branch: rk050hr345-ct106a