linux-kernel - [PATCH v11 0/2] Add driver for Sharp Memory LCD

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Message-ID: <20241015230617.3020230-1-lanzano.alex@gmail.com>
Date: Tue, 15 Oct 2024 19:05:42 -0400
From: Alex Lanzano <lanzano.alex@...il.com>
To: u.kleine-koenig@...libre.com,
	Alex Lanzano <lanzano.alex@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Uwe Kleine-König <ukleinek@...nel.org>,
	Javier Martinez Canillas <javierm@...hat.com>,
	Noralf Trønnes <noralf@...nnes.org>,
	David Lechner <david@...hnology.com>,
	Mehdi Djait <mehdi.djait@...tlin.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: linux-kernel-mentees@...ts.linuxfoundation.org,
	skhan@...uxfoundation.org,
	dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-pwm@...r.kernel.org
Subject: [PATCH v11 0/2] Add driver for Sharp Memory LCD

This patch series add support for the monochrome Sharp Memory LCD
panels. This series is based off of the work done by Mehdi Djait.

References:
https://lore.kernel.org/dri-devel/71a9dbf4609dbba46026a31f60261830163a0b99.1701267411.git.mehdi.djait@bootlin.com/
https://www.sharpsde.com/fileadmin/products/Displays/2016_SDE_App_Note_for_Memory_LCD_programming_V1.3.pdf

Co-developed-by: Mehdi Djait <mehdi.djait@...tlin.com>
Signed-off-by: Mehdi Djait <mehdi.djait@...tlin.com>
Signed-off-by: Alex Lanzano <lanzano.alex@...il.com>
---
Changes in v11:
- Replace drm_fbdev_dma_setup with new drm_client_setup interface

Changes in v10:
- Address comments from from Uwe
    - Replaced -EINVAL with PTR_ERR
    - Error check pwm_apply_might_sleep function
    - Remove redundant error message

Changes in v9:
- Move pwm and software VCOM generation to probe/remove functions instead of crtc enable/disable functions.
  pwd_disable will suffice on driver removal.
- Change comment format to match Linux Kernel style.

Changes in v8:
- Addressed review comments from Uwe
    - Replace pwm_get_state with pwm_init_state
    - Use pwm_set_relative_duty_cycle instead of manually setting period and duty cycle

Changes in v7:
- Add Reviewed-by tag back to dt-binding patch

Changes in v6:
- Rebase off latest drm-misc-next
- Replace pwm_apply_state with pwm_apply_might_sleep

Changes in v5:
- Address minor style issues in sharp-memory.c

Changes in v4:
- Remove redundant dev_err

Changes in v3:
- Fix file path in MAINTAINERS file
- Address review comments
- Simplify mode selection based on match data instead of model

Changes in v2:
- Credited Mehdi Djait in commit messages
- Renamed sharp,sharp-memory.yaml to sharp,ls010b7dh04.yaml
- Using strings instead of int for vcom-mode in dt-binding
- Fixed indentation of binding example
- Removed binding header
- Removed extra whitespace in sharp-memory.c
- Fixed error handling in sharp-memory.c
- Added match data to of_device_id table to be in-sync with spi_device_id table
- Replaced redundant function with spi_get_device_match_data
- Sorted header files in sharp-memory.c
---

Alex Lanzano (2):
  dt-bindings: display: Add Sharp Memory LCD bindings
  drm/tiny: Add driver for Sharp Memory LCD

 .../bindings/display/sharp,ls010b7dh04.yaml   |  92 +++
 MAINTAINERS                                   |   6 +
 drivers/gpu/drm/tiny/Kconfig                  |  21 +
 drivers/gpu/drm/tiny/Makefile                 |   1 +
 drivers/gpu/drm/tiny/sharp-memory.c           | 671 ++++++++++++++++++
 5 files changed, 791 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/sharp,ls010b7dh04.yaml
 create mode 100644 drivers/gpu/drm/tiny/sharp-memory.c

-- 
2.47.0