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drm/panel: ilitek-ili9806e: add Rocktech RK050HR345-CT106A support

From:  Dario Binacchi <dario.binacchi-AT-amarulasolutions.com>
To:  linux-kernel-AT-vger.kernel.org
Subject:  [PATCH v3 0/4] drm/panel: ilitek-ili9806e: add Rocktech RK050HR345-CT106A support
Date:  Tue, 03 Feb 2026 08:54:47 +0100
Message-ID:  <20260203075548.14907-1-dario.binacchi@amarulasolutions.com>
Cc:  linux-amarula-AT-amarulasolutions.com, Dario Binacchi <dario.binacchi-AT-amarulasolutions.com>, Conor Dooley <conor+dt-AT-kernel.org>, David Airlie <airlied-AT-gmail.com>, Jessica Zhang <jesszhan0024-AT-gmail.com>, Krzysztof Kozlowski <krzk+dt-AT-kernel.org>, Maarten Lankhorst <maarten.lankhorst-AT-linux.intel.com>, Maxime Ripard <mripard-AT-kernel.org>, Michael Walle <mwalle-AT-kernel.org>, Neil Armstrong <neil.armstrong-AT-linaro.org>, Rob Herring <robh-AT-kernel.org>, Simona Vetter <simona-AT-ffwll.ch>, Thomas Zimmermann <tzimmermann-AT-suse.de>, devicetree-AT-vger.kernel.org, dri-devel-AT-lists.freedesktop.org
Archive-link:  Article

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 v3:
- Add Reviewed-by tag of Rob Herring

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: 6bd9ed02871f22beb0e50690b0c3caf457104f7c
branch: rk050hr345-ct106a



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