# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/i2c/ingenic,i2c.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Ingenic SoCs I2C controller
maintainers:
- Paul Cercueil <paul@crapouillou.net>
allOf:
- $ref: /schemas/i2c/i2c-controller.yaml#
properties:
$nodename:
pattern: "^i2c@[0-9a-f]+$"
compatible:
oneOf:
- enum:
- ingenic,jz4770-i2c
- ingenic,x1000-i2c
- items:
- const: ingenic,jz4780-i2c
- const: ingenic,jz4770-i2c
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
clock-frequency:
enum: [ 100000, 400000 ]
dmas:
items:
- description: DMA controller phandle and request line for RX
- description: DMA controller phandle and request line for TX
dma-names:
items:
- const: rx
- const: tx
required:
- compatible
- reg
- interrupts
- clocks
- clock-frequency
- dmas
- dma-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/ingenic,jz4780-cgu.h>
#include <dt-bindings/dma/jz4780-dma.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c@10054000 {
compatible = "ingenic,jz4780-i2c", "ingenic,jz4770-i2c";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x10054000 0x1000>;
interrupts = <56 IRQ_TYPE_LEVEL_LOW>;
clocks = <&cgu JZ4780_CLK_SMB4>;
pinctrl-names = "default";
pinctrl-0 = <&pins_i2c4_data>;
dmas = <&dma JZ4780_DMA_SMB4_RX 0xffffffff>,
<&dma JZ4780_DMA_SMB4_TX 0xffffffff>;
dma-names = "rx", "tx";
clock-frequency = <400000>;
rtc@51 {
compatible = "nxp,pcf8563";
reg = <0x51>;
interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
};
};
