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