linux-kernel - [PATCH v2 0/3] Apple DWI backlight driver

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Message-ID: <20241207130433.30351-1-towinchenmi@gmail.com>
Date: Sat,  7 Dec 2024 21:03:13 +0800
From: Nick Chan <towinchenmi@...il.com>
To: Lee Jones <lee@...nel.org>,
	Daniel Thompson <danielt@...nel.org>,
	Jingoo Han <jingoohan1@...il.com>,
	Pavel Machek <pavel@....cz>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Helge Deller <deller@....de>,
	Hector Martin <marcan@...can.st>,
	Sven Peter <sven@...npeter.dev>,
	Alyssa Rosenzweig <alyssa@...enzweig.io>,
	Nick Chan <towinchenmi@...il.com>,
	dri-devel@...ts.freedesktop.org,
	linux-leds@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-fbdev@...r.kernel.org,
	asahi@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 0/3] Apple DWI backlight driver

Apple SoCs come with a 2-wire interface named DWI. On some iPhones, iPads
and iPod touches the backlight controller is connected via this interface.
This series adds a backlight driver for backlight controllers connected
this way.

Changes since v1:
- Fixed dt-bindings $id.
- Make power-domains an optional property in dt-bindings.
- Added missing error checking after devm_ioremap_resource() in
dwi_bl_probe().

v1: https://lore.kernel.org/asahi/20241206172735.4310-1-towinchenmi@gmail.com/T

Nick Chan
---
Nick Chan (3):
  dt-bindings: leds: backlight: apple,dwi-bl: Add bindings for Apple DWI
    backlight
  backlight: dwi_bl: Add Apple DWI backlight driver
  MAINTAINERS: Add entries for Apple DWI backlight controller

 .../bindings/leds/backlight/apple,dwi-bl.yaml |  54 ++++++++
 MAINTAINERS                                   |   2 +
 drivers/video/backlight/Kconfig               |  12 ++
 drivers/video/backlight/Makefile              |   1 +
 drivers/video/backlight/dwi_bl.c              | 124 ++++++++++++++++++
 5 files changed, 193 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml
 create mode 100644 drivers/video/backlight/dwi_bl.c


base-commit: 40384c840ea1944d7c5a392e8975ed088ecf0b37
-- 
2.47.1