lede/target/linux/rockchip/patches-5.18/235-dt-bindings-display-rockchip-dw-hdmi-Add-regulator-s.patch

36 lines
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Diff

From 32118137e182b52fdda4054673d49a7a9ed27b07 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Fri, 8 Apr 2022 13:22:24 +0200
Subject: [PATCH 35/50] dt-bindings: display: rockchip: dw-hdmi: Add regulator
support
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>
---
.../bindings/display/rockchip/rockchip,dw-hdmi.yaml | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
@@ -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: