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