/
samsung,fimd.yaml
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samsung,fimd.yaml
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# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/samsung/samsung,fimd.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Samsung S3C/S5P/Exynos SoC Fully Interactive Mobile Display (FIMD)
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>
properties:
compatible:
enum:
- samsung,s3c2443-fimd
- samsung,s3c6400-fimd
- samsung,s5pv210-fimd
- samsung,exynos3250-fimd
- samsung,exynos4210-fimd
- samsung,exynos5250-fimd
- samsung,exynos5420-fimd
'#address-cells':
const: 1
clocks:
maxItems: 2
clock-names:
items:
- const: sclk_fimd
- const: fimd
display-timings:
$ref: ../panel/display-timings.yaml#
i80-if-timings:
type: object
additionalProperties: false
description: |
Timing configuration for lcd i80 interface support.
The parameters are defined as::
VCLK(internal) __|??????|_____|??????|_____|??????|_____|??????|_____|??
: : : : :
Address Output --:<XXXXXXXXXXX:XXXXXXXXXXXX:XXXXXXXXXXXX:XXXXXXXXXXXX:XX
| cs-setup+1 | : : :
|<---------->| : : :
Chip Select ???????????????|____________:____________:____________|??
| wr-setup+1 | | wr-hold+1 |
|<---------->| |<---------->|
Write Enable ????????????????????????????|____________|???????????????
| wr-active+1|
|<---------->|
Video Data ----------------------------<XXXXXXXXXXXXXXXXXXXXXXXXX>--
properties:
cs-setup:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Clock cycles for the active period of address signal is enabled until
chip select is enabled.
default: 0
wr-active:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Clock cycles for the active period of CS is enabled.
default: 1
wr-hold:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Clock cycles for the active period of CS is disabled until write
signal is disabled.
default: 0
wr-setup:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Clock cycles for the active period of CS signal is enabled until
write signal is enabled.
default: 0
iommus:
minItems: 1
maxItems: 2
iommu-names:
items:
- const: m0
- const: m1
interrupts:
items:
- description: FIFO level
- description: VSYNC
- description: LCD system
interrupt-names:
items:
- const: fifo
- const: vsync
- const: lcd_sys
power-domains:
maxItems: 1
reg:
maxItems: 1
samsung,invert-vden:
type: boolean
description:
Video enable signal is inverted.
samsung,invert-vclk:
type: boolean
description:
Video clock signal is inverted.
samsung,sysreg:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Phandle to System Register syscon.
'#size-cells':
const: 0
patternProperties:
"^port@[0-4]+$":
$ref: /schemas/graph.yaml#/properties/port
description: |
Contains ports with port with index::
0 - for CAMIF0 input,
1 - for CAMIF1 input,
2 - for CAMIF2 input,
3 - for parallel output,
4 - for write-back interface
required:
- compatible
- clocks
- clock-names
- interrupts
- interrupt-names
- reg
allOf:
- if:
properties:
compatible:
contains:
const: samsung,exynos5420-fimd
then:
properties:
iommus:
minItems: 2
maxItems: 2
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/exynos4.h>
fimd@11c00000 {
compatible = "samsung,exynos4210-fimd";
interrupt-parent = <&combiner>;
reg = <0x11c00000 0x20000>;
interrupt-names = "fifo", "vsync", "lcd_sys";
interrupts = <11 0>, <11 1>, <11 2>;
clocks = <&clock CLK_SCLK_FIMD0>, <&clock CLK_FIMD0>;
clock-names = "sclk_fimd", "fimd";
power-domains = <&pd_lcd0>;
iommus = <&sysmmu_fimd0>;
samsung,sysreg = <&sys_reg>;
#address-cells = <1>;
#size-cells = <0>;
samsung,invert-vden;
samsung,invert-vclk;
pinctrl-0 = <&lcd_clk>, <&lcd_data24>;
pinctrl-names = "default";
port@3 {
reg = <3>;
fimd_dpi_ep: endpoint {
remote-endpoint = <&lcd_ep>;
};
};
};