Thread (11 messages) 11 messages, 4 authors, 2025-10-06
STALE290d
Revisions (8)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 current
  4. v4 [diff vs current]
  5. v5 [diff vs current]
  6. v6 [diff vs current]
  7. v7 [diff vs current]
  8. v8 [diff vs current]

[PATCH v3 0/4] backlight: add new max25014 backlight driver

From: Maud Spierings via B4 Relay <devnull+maudspierings.gocontroll.com@kernel.org>
Date: 2025-09-11 07:53:28
Also in: b4-sent, dri-devel, imx, linux-arm-kernel, linux-devicetree, linux-leds, lkml

The Maxim MAX25014 is an automotive grade backlight driver IC. Its
datasheet can be found at [1].

With its integrated boost controller, it can power 4 channels (led
strings) and has a number of different modes using pwm and or i2c.
Currently implemented is only i2c control.

link: https://www.analog.com/media/en/technical-documentation/data-sheets/MAX25014.pdf [1]

Signed-off-by: Maud Spierings <maudspierings@gocontroll.com>
---
Changes in v3:
- fixed commit message type intgrated -> integrated
- added maximum and description to maxim,iset-property
- dropped unused labels and pinctrl in bindings example
- put the compatible first in the bindings example and dts
- removed brackets around defines
- removed the leftover pdata struct field
- removed the initial_brightness struct field
- Link to v2: https://lore.kernel.org/r/20250819-max25014-v2-0-5fd7aeb141ea@gocontroll.com (local)

Changes in v2:
- Remove leftover unused property from the bindings example
- Complete the bindings example with all properties
- Remove some double info from the maxim,iset property
- Remove platform_data header, fold its data into the max25014 struct
- Don't force defines to be unsigned
- Remove stray struct max25014 declaration
- Remove chipname and device from the max25014 struct
- Inline the max25014_backlight_register() and strings_mask() functions
- Remove CONFIG_OF ifdef
- Link to v1: https://lore.kernel.org/r/20250725-max25014-v1-0-0e8cce92078e@gocontroll.com (local)

---
Maud Spierings (4):
      dt-bindings: backlight: Add max25014 bindings
      backlight: add max25014atg backlight
      arm64: dts: freescale: moduline-display-av101hdt-a10: add backlight
      arm64: dts: freescale: moduline-display-av123z7m-n17: add backlight

 .../bindings/leds/backlight/maxim,max25014.yaml    |  81 +++++
 MAINTAINERS                                        |   6 +
 ...x8p-ml81-moduline-display-106-av101hdt-a10.dtso |  21 ++
 ...x8p-ml81-moduline-display-106-av123z7m-n17.dtso |  19 +-
 drivers/video/backlight/Kconfig                    |   7 +
 drivers/video/backlight/Makefile                   |   1 +
 drivers/video/backlight/max25014.c                 | 394 +++++++++++++++++++++
 7 files changed, 528 insertions(+), 1 deletion(-)
---
base-commit: 8f21d9da46702c4d6951ba60ca8a05f42870fe8f
change-id: 20250626-max25014-4207591e1af5

Best regards,
-- 
Maud Spierings [off-list ref]

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