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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/samsung/samsung,exynos5433-decon.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Samsung Exynos5433 SoC Display and Enhancement Controller (DECON)
maintainers:
- Inki Dae <inki.dae@samsung.com>
- Seung-Woo Kim <sw0312.kim@samsung.com>
- Kyungmin Park <kyungmin.park@samsung.com>
- Krzysztof Kozlowski <krzk@kernel.org>
description: |
DECON (Display and Enhancement Controller) is the Display Controller for the
Exynos5433 series of SoCs which transfers the image data from a video memory
buffer to an external LCD interface.
properties:
compatible:
enum:
- samsung,exynos5433-decon
- samsung,exynos5433-decon-tv
clocks:
maxItems: 11
clock-names:
items:
- const: pclk
- const: aclk_decon
- const: aclk_smmu_decon0x
- const: aclk_xiu_decon0x
- const: pclk_smmu_decon0x
- const: aclk_smmu_decon1x
- const: aclk_xiu_decon1x
- const: pclk_smmu_decon1x
- const: sclk_decon_vclk
- const: sclk_decon_eclk
- const: dsd
interrupts:
minItems: 3
maxItems: 4
description: |
Interrupts depend on mode of work:
- video mode: vsync
- command mode: lcd_sys
- command mode with software trigger: lcd_sys, te
interrupt-names:
minItems: 3
items:
- const: fifo
- const: vsync
- const: lcd_sys
- const: te
iommus:
maxItems: 2
iommu-names:
items:
- const: m0
- const: m1
ports:
$ref: /schemas/graph.yaml#/properties/ports
description:
Contains a port which is connected to mic node.
power-domains:
maxItems: 1
reg:
maxItems: 1
samsung,disp-sysreg:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Phandle to DISP system controller interface.
required:
- compatible
- clocks
- clock-names
- interrupts
- interrupt-names
- ports
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/exynos5433.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
display-controller@13800000 {
compatible = "samsung,exynos5433-decon";
reg = <0x13800000 0x2104>;
clocks = <&cmu_disp CLK_PCLK_DECON>,
<&cmu_disp CLK_ACLK_DECON>,
<&cmu_disp CLK_ACLK_SMMU_DECON0X>,
<&cmu_disp CLK_ACLK_XIU_DECON0X>,
<&cmu_disp CLK_PCLK_SMMU_DECON0X>,
<&cmu_disp CLK_ACLK_SMMU_DECON1X>,
<&cmu_disp CLK_ACLK_XIU_DECON1X>,
<&cmu_disp CLK_PCLK_SMMU_DECON1X>,
<&cmu_disp CLK_SCLK_DECON_VCLK>,
<&cmu_disp CLK_SCLK_DECON_ECLK>,
<&cmu_disp CLK_SCLK_DSD>;
clock-names = "pclk",
"aclk_decon",
"aclk_smmu_decon0x",
"aclk_xiu_decon0x",
"pclk_smmu_decon0x",
"aclk_smmu_decon1x",
"aclk_xiu_decon1x",
"pclk_smmu_decon1x",
"sclk_decon_vclk",
"sclk_decon_eclk",
"dsd";
power-domains = <&pd_disp>;
interrupt-names = "fifo", "vsync", "lcd_sys";
interrupts = <GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>;
samsung,disp-sysreg = <&syscon_disp>;
iommus = <&sysmmu_decon0x>, <&sysmmu_decon1x>;
iommu-names = "m0", "m1";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
decon_to_mic: endpoint {
remote-endpoint = <&mic_to_decon>;
};
};
};
};
|
