linux-kernel - [PATCH v8 0/4] Add display support on the stm32f746-disco board

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Message-Id: <20230814132844.113312-1-dario.binacchi@amarulasolutions.com>
Date:   Mon, 14 Aug 2023 15:28:40 +0200
From:   Dario Binacchi <dario.binacchi@...rulasolutions.com>
To:     linux-kernel@...r.kernel.org
Cc:     Philippe Cornu <philippe.cornu@...s.st.com>,
        michael@...rulasolutions.com,
        Amarula patchwork <linux-amarula@...rulasolutions.com>,
        Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>,
        Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: [PATCH v8 0/4] Add display support on the stm32f746-disco board

The series adds support for the display on the stm32f746-disco board.

Changes in v8:
- Add the patch [3/4] "ARM: dts: stm32: rename mmc_vcard to vcc-3v3 on stm32f746-disco" to
  th series.
- Add the 'power-supply' property to panel-rgb node.
- Move backlight and panel-rgb nodes after the vcc-3v3 node.

Changes in v7:
- Add 'Reviewed-by' tags I forgot in v6.
  https://lore.kernel.org/linux-arm-kernel/20230629083726.84910-1-dario.binacchi@amarulasolutions.com/T/

Changes in v6:
- Remove dma nodes from stm32f746-disco.dts, they are not used by LTDC,
  so there is no need to enable them.

Changes in v5:
I am confident that framebuffer sizing is a real requirement for STM32 boards,
but I need some time to understand if and how to introduce this functionality.
Therefore, I drop the following patches to allow the series to be fully merged:
 - [4/6] dt-bindings: display: stm32-ltdc: add optional st,fb-bpp property
 - [5/6] ARM: dts: stm32: set framebuffer bit depth on stm32f746-disco
 - [6/6] drm/stm: set framebuffer bit depth through DTS property

Changes in v4:
- Use DTS property instead of module parameter to set the framebuffer bit depth.

Changes in v3:
- rename ltdc-pins-a-0 to ltdc-0.
- drop [4/6] dt-bindings: display: simple: add Rocktech RK043FN48H
  Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next):
  https://cgit.freedesktop.org/drm/drm-misc/commit/?id=c42a37a27c777d63961dd634a30f7c887949491a
- drop [5/6] drm/panel: simple: add support for Rocktech RK043FN48H panel
  Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next)
  https://cgit.freedesktop.org/drm/drm-misc/commit/?id=13cdd12a9f934158f4ec817cf048fcb4384aa9dc

Dario Binacchi (4):
  ARM: dts: stm32: add ltdc support on stm32f746 MCU
  ARM: dts: stm32: add pin map for LTDC on stm32f7
  ARM: dts: stm32: rename mmc_vcard to vcc-3v3 on stm32f746-disco
  ARM: dts: stm32: support display on stm32f746-disco board

 arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi | 35 ++++++++++++++++
 arch/arm/boot/dts/st/stm32f746-disco.dts  | 50 +++++++++++++++++++++--
 arch/arm/boot/dts/st/stm32f746.dtsi       | 10 +++++
 3 files changed, 92 insertions(+), 3 deletions(-)

-- 
2.34.1