linux-loongson/Documentation/devicetree/bindings/media/st,stm32mp25-csi.yaml
Alain Volmat 3114848ee2 dt-bindings: media: clarify stm32 csi & simplify example
Clarify the description of the stm32 CSI by mentioning CSI-2 and D-PHY.
Remove the bus-type property from the example since this CSI has a D-PHY,
which is the only bus-type option, making this property redundant.

Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
2025-02-15 15:22:47 +01:00

125 lines
2.6 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/st,stm32mp25-csi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics STM32 CSI controller
description:
The STM32 CSI controller, coupled with a D-PHY allows connecting a CSI-2
based camera to the DCMIPP camera pipeline.
maintainers:
- Alain Volmat <alain.volmat@foss.st.com>
properties:
compatible:
enum:
- st,stm32mp25-csi
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 3
clock-names:
items:
- const: pclk
- const: txesc
- const: csi2phy
resets:
maxItems: 1
vdd-supply:
description: Digital core power supply (0.91V)
vdda18-supply:
description: System analog power supply (1.8V)
access-controllers:
minItems: 1
maxItems: 2
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: /schemas/graph.yaml#/$defs/port-base
unevaluatedProperties: false
description:
Input port node
properties:
endpoint:
$ref: video-interfaces.yaml#
unevaluatedProperties: false
properties:
data-lanes:
minItems: 1
items:
- const: 1
- const: 2
required:
- data-lanes
port@1:
$ref: /schemas/graph.yaml#/properties/port
description:
Output port node
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- resets
- ports
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/st,stm32mp25-rcc.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/media/video-interfaces.h>
#include <dt-bindings/reset/st,stm32mp25-rcc.h>
csi@48020000 {
compatible = "st,stm32mp25-csi";
reg = <0x48020000 0x2000>;
interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;
resets = <&rcc CSI_R>;
clocks = <&rcc CK_KER_CSI>, <&rcc CK_KER_CSITXESC>, <&rcc CK_KER_CSIPHY>;
clock-names = "pclk", "txesc", "csi2phy";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
endpoint {
remote-endpoint = <&imx335_ep>;
data-lanes = <1 2>;
};
};
port@1 {
reg = <1>;
endpoint {
remote-endpoint = <&dcmipp_0>;
};
};
};
};
...