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dt-bindings: display: Add Sitronix ST7701 panel documentation

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Techstar TS8550B MIPI DSI panel is 480x854, 2-lane MIPI DSI LCD panel
with inbuilt ST7701 chip.

The default regulator names in ST7701 chip is renamed in Techstar TS8550B
so, add specific binding names for them.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190124215131.17452-1-jagan@amarulasolutions.com
This commit is contained in:
Jagan Teki 2019-01-25 03:21:30 +05:30 committed by Thierry Reding
parent b5f030b7b4
commit 24de022b81
1 changed files with 30 additions and 0 deletions
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Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt Normal file
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Sitronix ST7701 based LCD panels
ST7701 designed for small and medium sizes of TFT LCD display, is
capable of supporting up to 480RGBX864 in resolution. It provides
several system interfaces like MIPI/RGB/SPI.
Techstar TS8550B is 480x854, 2-lane MIPI DSI LCD panel which has
inbuilt ST7701 chip.
Required properties:
- compatible: must be "sitronix,st7701" and one of
* "techstar,ts8550b"
- reset-gpios: a GPIO phandle for the reset pin
Required properties for techstar,ts8550b:
- reg: DSI virtual channel used by that screen
- VCC-supply: analog regulator for MIPI circuit
- IOVCC-supply: I/O system regulator
Optional properties:
- backlight: phandle for the backlight control.
panel@0 {
compatible = "techstar,ts8550b", "sitronix,st7701";
reg = <0>;
VCC-supply = <&reg_dldo2>;
IOVCC-supply = <&reg_dldo2>;
reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */
backlight = <&backlight>;
};