171 lines
3.5 KiB
YAML
171 lines
3.5 KiB
YAML
|
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/net/nfc/marvell,nci.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: Marvell International Ltd. NCI NFC controller
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Krzysztof Kozlowski <krzk@kernel.org>
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
enum:
|
||
|
|
- marvell,nfc-i2c
|
||
|
|
- marvell,nfc-spi
|
||
|
|
- marvell,nfc-uart
|
||
|
|
|
||
|
|
hci-muxed:
|
||
|
|
type: boolean
|
||
|
|
description: |
|
||
|
|
Specifies that the chip is muxing NCI over HCI frames
|
||
|
|
|
||
|
|
interrupts:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
reg:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
reset-n-io:
|
||
|
|
$ref: "/schemas/types.yaml#/definitions/phandle-array"
|
||
|
|
maxItems: 1
|
||
|
|
description: |
|
||
|
|
Output GPIO pin used to reset the chip (active low)
|
||
|
|
|
||
|
|
i2c-int-falling:
|
||
|
|
type: boolean
|
||
|
|
description: |
|
||
|
|
For I2C type of connection. Specifies that the chip read event shall be
|
||
|
|
trigged on falling edge.
|
||
|
|
|
||
|
|
i2c-int-rising:
|
||
|
|
type: boolean
|
||
|
|
description: |
|
||
|
|
For I2C type of connection. Specifies that the chip read event shall be
|
||
|
|
trigged on rising edge.
|
||
|
|
|
||
|
|
break-control:
|
||
|
|
type: boolean
|
||
|
|
description: |
|
||
|
|
For UART type of connection. Specifies that the chip needs specific break
|
||
|
|
management.
|
||
|
|
|
||
|
|
flow-control:
|
||
|
|
type: boolean
|
||
|
|
description: |
|
||
|
|
For UART type of connection. Specifies that the chip is using RTS/CTS.
|
||
|
|
|
||
|
|
spi-cpha: true
|
||
|
|
spi-cpol: true
|
||
|
|
|
||
|
|
required:
|
||
|
|
- compatible
|
||
|
|
|
||
|
|
allOf:
|
||
|
|
- if:
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
contains:
|
||
|
|
const: marvell,nfc-i2c
|
||
|
|
then:
|
||
|
|
properties:
|
||
|
|
break-control: false
|
||
|
|
flow-control: false
|
||
|
|
spi-cpha: false
|
||
|
|
spi-cpol: false
|
||
|
|
spi-max-frequency: false
|
||
|
|
required:
|
||
|
|
- reg
|
||
|
|
|
||
|
|
- if:
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
contains:
|
||
|
|
const: marvell,nfc-spi
|
||
|
|
then:
|
||
|
|
$ref: /schemas/spi/spi-peripheral-props.yaml#
|
||
|
|
properties:
|
||
|
|
break-control: false
|
||
|
|
flow-control: false
|
||
|
|
i2c-int-falling: false
|
||
|
|
i2c-int-rising: false
|
||
|
|
required:
|
||
|
|
- reg
|
||
|
|
|
||
|
|
- if:
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
contains:
|
||
|
|
const: marvell,nfc-uart
|
||
|
|
then:
|
||
|
|
properties:
|
||
|
|
i2c-int-falling: false
|
||
|
|
i2c-int-rising: false
|
||
|
|
interrupts: false
|
||
|
|
spi-cpha: false
|
||
|
|
spi-cpol: false
|
||
|
|
spi-max-frequency: false
|
||
|
|
reg: false
|
||
|
|
|
||
|
|
unevaluatedProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
#include <dt-bindings/gpio/gpio.h>
|
||
|
|
#include <dt-bindings/interrupt-controller/irq.h>
|
||
|
|
|
||
|
|
i2c {
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
|
||
|
|
nfc@8 {
|
||
|
|
compatible = "marvell,nfc-i2c";
|
||
|
|
reg = <0x8>;
|
||
|
|
|
||
|
|
interrupt-parent = <&gpio3>;
|
||
|
|
interrupts = <21 IRQ_TYPE_EDGE_RISING>;
|
||
|
|
|
||
|
|
i2c-int-rising;
|
||
|
|
|
||
|
|
reset-n-io = <&gpio3 19 GPIO_ACTIVE_LOW>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
- |
|
||
|
|
#include <dt-bindings/gpio/gpio.h>
|
||
|
|
#include <dt-bindings/interrupt-controller/irq.h>
|
||
|
|
|
||
|
|
spi {
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
|
||
|
|
nfc@0 {
|
||
|
|
compatible = "marvell,nfc-spi";
|
||
|
|
reg = <0>;
|
||
|
|
|
||
|
|
spi-max-frequency = <3000000>;
|
||
|
|
spi-cpha;
|
||
|
|
spi-cpol;
|
||
|
|
|
||
|
|
interrupt-parent = <&gpio1>;
|
||
|
|
interrupts = <17 IRQ_TYPE_EDGE_RISING>;
|
||
|
|
|
||
|
|
reset-n-io = <&gpio3 19 GPIO_ACTIVE_LOW>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
- |
|
||
|
|
#include <dt-bindings/gpio/gpio.h>
|
||
|
|
|
||
|
|
uart {
|
||
|
|
nfc {
|
||
|
|
compatible = "marvell,nfc-uart";
|
||
|
|
|
||
|
|
reset-n-io = <&gpio3 16 GPIO_ACTIVE_LOW>;
|
||
|
|
|
||
|
|
hci-muxed;
|
||
|
|
flow-control;
|
||
|
|
};
|
||
|
|
};
|