# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/rockchip/rockchip-vop2.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Rockchip SoC display controller (VOP2)
description:
VOP2 (Video Output Processor v2) is the display controller for the Rockchip
series of SoCs which transfers the image data from a video memory buffer to
an external LCD interface.
maintainers:
- Sandy Huang <[email protected]>
- Heiko Stuebner <[email protected]>
properties:
compatible:
enum:
- rockchip,rk3566-vop
- rockchip,rk3568-vop
- rockchip,rk3588-vop
reg:
items:
- description:
Must contain one entry corresponding to the base address and length
of the register space.
- description:
Can optionally contain a second entry corresponding to the CRTC gamma
LUT address.
reg-names:
items:
- const: vop
- const: gamma-lut
interrupts:
maxItems: 1
description:
The VOP interrupt is shared by several interrupt sources, such as
frame start (VSYNC), line flag and other status interrupts.
# See compatible-specific constraints below.
clocks:
minItems: 5
items:
- description: Clock for ddr buffer transfer via axi.
- description: Clock for the ahb bus to R/W the regs.
- description: Pixel clock for video port 0.
- description: Pixel clock for video port 1.
- description: Pixel clock for video port 2.
- description: Pixel clock for video port 3.
- description: Peripheral(vop grf/dsi) clock.
clock-names:
minItems: 5
items:
- const: aclk
- const: hclk
- const: dclk_vp0
- const: dclk_vp1
- const: dclk_vp2
- const: dclk_vp3
- const: pclk_vop
rockchip,grf:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Phandle to GRF regs used for control the polarity of dclk/hsync/vsync of DPI,
also used for query vop memory bisr enable status, etc.
rockchip,vo1-grf:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Phandle to VO GRF regs used for control the polarity of dclk/hsync/vsync of hdmi
on rk3588.
rockchip,vop-grf:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Phandle to VOP GRF regs used for control data path between vopr and hdmi/edp.
rockchip,pmu:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Phandle to PMU GRF used for query vop memory bisr status on rk3588.
ports:
$ref: /schemas/graph.yaml#/properties/ports
patternProperties:
"^port@[0-3]$":
$ref: /schemas/graph.yaml#/properties/port
description: Output endpoint of VP0/1/2/3.
required:
- port@0
unevaluatedProperties: false
iommus:
maxItems: 1
power-domains:
maxItems: 1
required:
- compatible
- reg
- reg-names
- interrupts
- clocks
- clock-names
- ports
allOf:
- if:
properties:
compatible:
contains:
const: rockchip,rk3588-vop
then:
properties:
clocks:
minItems: 7
clock-names:
minItems: 7
ports:
required:
- port@0
- port@1
- port@2
- port@3
required:
- rockchip,grf
- rockchip,vo1-grf
- rockchip,vop-grf
- rockchip,pmu
else:
properties:
rockchip,vo1-grf: false
rockchip,vop-grf: false
rockchip,pmu: false
clocks:
maxItems: 5
clock-names:
maxItems: 5
ports:
required:
- port@0
- port@1
- port@2
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/rk3568-cru.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/rk3568-power.h>
bus {
#address-cells = <2>;
#size-cells = <2>;
vop: vop@fe040000 {
compatible = "rockchip,rk3568-vop";
reg = <0x0 0xfe040000 0x0 0x3000>, <0x0 0xfe044000 0x0 0x1000>;
reg-names = "vop", "gamma-lut";
interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru ACLK_VOP>,
<&cru HCLK_VOP>,
<&cru DCLK_VOP0>,
<&cru DCLK_VOP1>,
<&cru DCLK_VOP2>;
clock-names = "aclk",
"hclk",
"dclk_vp0",
"dclk_vp1",
"dclk_vp2";
power-domains = <&power RK3568_PD_VO>;
iommus = <&vop_mmu>;
vop_out: ports {
#address-cells = <1>;
#size-cells = <0>;
vp0: port@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <0>;
};
vp1: port@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
};
vp2: port@2 {
reg = <2>;
#address-cells = <1>;
#size-cells = <0>;
};
};
};
};
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