mirror_ubuntu-kernels/Documentation/devicetree/bindings/spi/renesas,rzv2m-csi.yaml

80 lines
1.8 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/renesas,rzv2m-csi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas RZ/V2M Clocked Serial Interface (CSI)
maintainers:
- Fabrizio Castro <fabrizio.castro.jz@renesas.com>
- Geert Uytterhoeven <geert+renesas@glider.be>
allOf:
- $ref: spi-controller.yaml#
properties:
compatible:
const: renesas,rzv2m-csi
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: The clock used to generate the output clock (CSICLK)
- description: Internal clock to access the registers (PCLK)
clock-names:
items:
- const: csiclk
- const: pclk
resets:
maxItems: 1
power-domains:
maxItems: 1
renesas,csi-no-ss:
type: boolean
description:
The CSI Slave Selection (SS) pin won't be used to enable transmission and
reception. Only available when in target mode.
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- resets
- power-domains
- '#address-cells'
- '#size-cells'
dependencies:
renesas,csi-no-ss: [ spi-slave ]
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/r9a09g011-cpg.h>
csi4: spi@a4020200 {
compatible = "renesas,rzv2m-csi";
reg = <0xa4020200 0x80>;
interrupts = <GIC_SPI 230 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD R9A09G011_CSI4_CLK>,
<&cpg CPG_MOD R9A09G011_CPERI_GRPH_PCLK>;
clock-names = "csiclk", "pclk";
resets = <&cpg R9A09G011_CSI_GPH_PRESETN>;
power-domains = <&cpg>;
#address-cells = <1>;
#size-cells = <0>;
};