backlight: rt4831: Adds DT binding document for Richtek RT4831 backlight

Adds DT binding document for Richtek RT4831 backlight.

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
ChiYuan Huang 2021-05-17 22:35:59 +08:00 • committed by Lee Jones
commit f3e6c298e3
2 changed files with 85 additions and 0 deletions