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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/mediatek/mediatek,split.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Mediatek display split
maintainers:
- Chun-Kuang Hu <chunkuang.hu@kernel.org>
- Philipp Zabel <p.zabel@pengutronix.de>
description: |
Mediatek display split, namely SPLIT, is used to split stream to two
encoders.
SPLIT device node must be siblings to the central MMSYS_CONFIG node.
For a description of the MMSYS_CONFIG binding, see
Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
for details.
properties:
compatible:
oneOf:
- enum:
- mediatek,mt8173-disp-split
- mediatek,mt8195-mdp3-split
- items:
- const: mediatek,mt6795-disp-split
- const: mediatek,mt8173-disp-split
reg:
maxItems: 1
interrupts:
maxItems: 1
power-domains:
description: A phandle and PM domain specifier as defined by bindings of
the power controller specified by phandle. See
Documentation/devicetree/bindings/power/power-domain.yaml for details.
mediatek,gce-client-reg:
description:
The register of display function block to be set by gce. There are 4 arguments,
such as gce node, subsys id, offset and register size. The subsys id that is
mapping to the register of display function blocks is defined in the gce header
include/dt-bindings/gce/<chip>-gce.h of each chips.
$ref: /schemas/types.yaml#/definitions/phandle-array
items:
items:
- description: phandle of GCE
- description: GCE subsys id
- description: register offset
- description: register size
maxItems: 1
clocks:
items:
- description: SPLIT Clock
required:
- compatible
- reg
- power-domains
- clocks
allOf:
- if:
properties:
compatible:
contains:
const: mediatek,mt8195-mdp3-split
then:
required:
- mediatek,gce-client-reg
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/mt8173-clk.h>
#include <dt-bindings/power/mt8173-power.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
split0: split@14018000 {
compatible = "mediatek,mt8173-disp-split";
reg = <0 0x14018000 0 0x1000>;
power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
clocks = <&mmsys CLK_MM_DISP_SPLIT0>;
};
};
|
