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dt-bindings: display: rockchip: dw-hdmi: Add regulator support

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The RK3568 has HDMI_TX_AVDD0V9 and HDMI_TX_AVDD_1V8 supply inputs
needed for the HDMI port. Add the binding for these supplies.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-11-s.hauer@pengutronix.de
This commit is contained in:
Sascha Hauer 2022-04-22 09:28:27 +02:00 committed by Heiko Stuebner
parent 28bbb5ffbe
commit 80266ccb86
1 changed files with 11 additions and 0 deletions
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11
Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
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@ -28,6 +28,17 @@ properties:
reg-io-width:
const: 4
avdd-0v9-supply:
description:
A 0.9V supply that powers up the SoC internal circuitry. The actual pin name
varies between the different SoCs and is usually HDMI_TX_AVDD_0V9 or sometimes
HDMI_AVDD_1V0.
avdd-1v8-supply:
description:
A 1.8V supply that powers up the SoC internal circuitry. The pin name on the
SoC usually is HDMI_TX_AVDD_1V8.
clocks:
minItems: 2
items: