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Message-ID: <20250401081852.283532-1-lotte@chir.rs>
Date: Tue,  1 Apr 2025 09:18:30 +0100
From: Charlotte ŢleĹ„kec <lotte@...r.rs>
To: neil.armstrong@...aro.org,
	quic_jesszhan@...cinc.com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	max@...fierke.com
Cc: dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v4 0/4] Introduce ClockworkPi CWD686 DRM panel driver

The ClockworkPi DevTerm (all models) uses a 6.86" IPS display
of unknown provenance, which uses the Chipone ICNL9707 IC driver[1].

The display panel Max Fierke has has two model numbers: TXW686001 and
WTL068601G, but couldn’t find any manufacturer associated with either, so
he opted for the ClockworkPi model number.

This driver is based on the GPL-licensed driver released by ClockworkPi[1],
authored by Pinfan Zhu, with some additional cleanup, rotation support,
and display sleep re-enabling done by Max Fierke.

[1] https://github.com/clockworkpi/DevTerm/blob/main/Schematics/ICNL9707_Datasheet.pdf
[2] https://github.com/clockworkpi/DevTerm/blob/main/Code/patch/armbian_build_a06/patch/kernel-004-panel.patch

Thanks to Krzysztof Kozlowski, Rob Herring, and Sam Ravnborg for their
prior reviews.

I hope this is the correct way of reviving old patches.

Changes in v4:
 - Use existing clockwork vendor ID
 - Update the panel initalization code for DRM changes

Changes in v3:
 - dt-bindings: add missing lines for spacing

Changes in v2:
 - dt-bindings: remove redundant backlight example
 - add missing regulators
 - remove some unused properties from definition (e.g. enable_gpio, supply)
 - reorder includes
 - remove redundant ctx->backlight in favor of backlight through drm_panel_of_backlight
 - remove now-unneeded ctx->enabled and enable/disable hooks
 - replace ICNL9707_DCS macro with mipi_dsi_dcs_write_seq
 - use dev_err_probe instead of checking EPROBE_DEFER
 - fixed return type of cwd686_remove to be void following changes to mipi_dsi_driver
 - add .get_orientation callback



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