[v3,0/9] video: support Rocktech RK050HR345-CT106A panel
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Message ID 20260225161851.2475274-1-dario.binacchi@amarulasolutions.com
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  • video: support Rocktech RK050HR345-CT106A panel
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Dario Binacchi Feb. 25, 2026, 4:16 p.m. UTC 
This series adds support for the Rocktech RK050HR345-CT106A panel.
The initialization of this panel requires a 9-bit word length
configuration. To support this, I have extended the STM32 SPI driver
(including support for the STM32MP25 SoC) to implement the set_wordlen
operation.

To properly validate these changes and ensure the SPI uclass correctly
handles the word length propagation, I have also implemented the
corresponding logic in the sandbox driver and added a dedicated unit
test.

I have grouped these patches together to provide a complete overview of
the implementation and its verification.

Changes in v3:
- Use struct spi_slave data to access wordlen parameter instead
  of driver private data.
- Move the stm32_spi_is_enabled() helper to the new patch
  "spi: stm32: add stm32_spi_is_enabled() helper"
- Insert blank lines to separate code in ilitek-ili9806e.c

Changes in v2:
- Rplace tristate with bool in drivers/video/Kconfig

Dario Binacchi (9):
  spi: add support for bits-per-word setting
  spi: sandbox_spi: support wordlen setup
  test: spi: add sandbox_spi_get_wordlen interface
  test: dm: spi: add testcase for spi_set_wordlen()
  spi: stm32: clean up buffer length assignment
  spi: stm32: add stm32_spi_is_enabled() helper
  spi: stm32: add support for bits-per-word setting
  spi: stm32: extend support to STM32MP25
  video: support Rocktech RK050HR345-CT106A panel

 arch/sandbox/include/asm/test.h |   8 +
 drivers/spi/sandbox_spi.c       |  17 ++
 drivers/spi/spi-uclass.c        |  22 +-
 drivers/spi/stm32_spi.c         |  71 ++++++-
 drivers/video/Kconfig           |   8 +
 drivers/video/Makefile          |   1 +
 drivers/video/ilitek-ili9806e.c | 356 ++++++++++++++++++++++++++++++++
 include/spi.h                   |  14 ++
 test/dm/spi.c                   |  16 ++
 9 files changed, 502 insertions(+), 11 deletions(-)
 create mode 100644 drivers/video/ilitek-ili9806e.c