ingenic,i2c.yaml (1874B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/i2c/ingenic,i2c.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Ingenic SoCs I2C controller devicetree bindings 8 9maintainers: 10 - Paul Cercueil <paul@crapouillou.net> 11 12allOf: 13 - $ref: /schemas/i2c/i2c-controller.yaml# 14 15properties: 16 $nodename: 17 pattern: "^i2c@[0-9a-f]+$" 18 19 compatible: 20 oneOf: 21 - enum: 22 - ingenic,jz4770-i2c 23 - ingenic,x1000-i2c 24 - items: 25 - const: ingenic,jz4780-i2c 26 - const: ingenic,jz4770-i2c 27 28 reg: 29 maxItems: 1 30 31 interrupts: 32 maxItems: 1 33 34 clocks: 35 maxItems: 1 36 37 clock-frequency: 38 enum: [ 100000, 400000 ] 39 40 dmas: 41 items: 42 - description: DMA controller phandle and request line for RX 43 - description: DMA controller phandle and request line for TX 44 45 dma-names: 46 items: 47 - const: rx 48 - const: tx 49 50required: 51 - compatible 52 - reg 53 - interrupts 54 - clocks 55 - clock-frequency 56 - dmas 57 - dma-names 58 59unevaluatedProperties: false 60 61examples: 62 - | 63 #include <dt-bindings/clock/ingenic,jz4780-cgu.h> 64 #include <dt-bindings/dma/jz4780-dma.h> 65 #include <dt-bindings/interrupt-controller/irq.h> 66 i2c@10054000 { 67 compatible = "ingenic,jz4780-i2c", "ingenic,jz4770-i2c"; 68 #address-cells = <1>; 69 #size-cells = <0>; 70 reg = <0x10054000 0x1000>; 71 72 interrupts = <56 IRQ_TYPE_LEVEL_LOW>; 73 74 clocks = <&cgu JZ4780_CLK_SMB4>; 75 pinctrl-names = "default"; 76 pinctrl-0 = <&pins_i2c4_data>; 77 78 dmas = <&dma JZ4780_DMA_SMB4_RX 0xffffffff>, 79 <&dma JZ4780_DMA_SMB4_TX 0xffffffff>; 80 dma-names = "rx", "tx"; 81 82 clock-frequency = <400000>; 83 84 rtc@51 { 85 compatible = "nxp,pcf8563"; 86 reg = <0x51>; 87 88 interrupts = <30 IRQ_TYPE_LEVEL_LOW>; 89 }; 90 };