blob: 6cfdaadec08597b38153a10e7ec84102e34f9bbe [file] [log] [blame]
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (c) 2020 MediaTek
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/mediatek,hdmi-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek High Definition Multimedia Interface (HDMI) PHY
maintainers:
- Chun-Kuang Hu <chunkuang.hu@kernel.org>
- Philipp Zabel <p.zabel@pengutronix.de>
- Chunfeng Yun <chunfeng.yun@mediatek.com>
description: |
The HDMI PHY serializes the HDMI encoder's three channel 10-bit parallel
output and drives the HDMI pads.
properties:
$nodename:
pattern: "^hdmi-phy@[0-9a-f]+$"
compatible:
oneOf:
- items:
- enum:
- mediatek,mt7623-hdmi-phy
- const: mediatek,mt2701-hdmi-phy
- const: mediatek,mt2701-hdmi-phy
- const: mediatek,mt8173-hdmi-phy
reg:
maxItems: 1
clocks:
items:
- description: PLL reference clock
clock-names:
items:
- const: pll_ref
clock-output-names:
items:
- const: hdmitx_dig_cts
"#phy-cells":
const: 0
"#clock-cells":
const: 0
mediatek,ibias:
description:
TX DRV bias current for < 1.65Gbps
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 63
default: 0xa
mediatek,ibias_up:
description:
TX DRV bias current for >= 1.65Gbps
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 63
default: 0x1c
required:
- compatible
- reg
- clocks
- clock-names
- clock-output-names
- "#phy-cells"
- "#clock-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/mt8173-clk.h>
hdmi_phy: hdmi-phy@10209100 {
compatible = "mediatek,mt8173-hdmi-phy";
reg = <0x10209100 0x24>;
clocks = <&apmixedsys CLK_APMIXED_HDMI_REF>;
clock-names = "pll_ref";
clock-output-names = "hdmitx_dig_cts";
mediatek,ibias = <0xa>;
mediatek,ibias_up = <0x1c>;
#clock-cells = <0>;
#phy-cells = <0>;
};
...