[PATCH v10 0/2] Add driver for Sharp Memory LCD

[Alex Lanzano <lanzano.alex@gmail.com>]

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@bootlin.com>
Signed-off-by: Mehdi Djait <mehdi.djait@bootlin.com>
Signed-off-by: Alex Lanzano <lanzano.alex@gmail.com>
---
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                  |  20 +
 drivers/gpu/drm/tiny/Makefile                 |   1 +
 drivers/gpu/drm/tiny/sharp-memory.c           | 669 ++++++++++++++++++
 5 files changed, 788 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/sharp,ls010b7dh04.yaml
 create mode 100644 drivers/gpu/drm/tiny/sharp-memory.c

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2.46.2