fsl-lpuart.yaml (1848B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/serial/fsl-lpuart.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Freescale low power universal asynchronous receiver/transmitter (lpuart) 8 9maintainers: 10 - Fugang Duan <fugang.duan@nxp.com> 11 12allOf: 13 - $ref: "rs485.yaml" 14 15properties: 16 compatible: 17 oneOf: 18 - enum: 19 - fsl,vf610-lpuart 20 - fsl,ls1021a-lpuart 21 - fsl,ls1028a-lpuart 22 - fsl,imx7ulp-lpuart 23 - fsl,imx8qxp-lpuart 24 - fsl,imxrt1050-lpuart 25 - items: 26 - enum: 27 - fsl,imx93-lpuart 28 - fsl,imx8ulp-lpuart 29 - const: fsl,imx7ulp-lpuart 30 - items: 31 - enum: 32 - fsl,imx8qm-lpuart 33 - fsl,imx8dxl-lpuart 34 - const: fsl,imx8qxp-lpuart 35 36 reg: 37 maxItems: 1 38 39 interrupts: 40 maxItems: 1 41 42 clocks: 43 items: 44 - description: ipg clock 45 - description: baud clock 46 minItems: 1 47 48 clock-names: 49 items: 50 - const: ipg 51 - const: baud 52 minItems: 1 53 54 dmas: 55 items: 56 - description: DMA controller phandle and request line for RX 57 - description: DMA controller phandle and request line for TX 58 59 dma-names: 60 items: 61 - const: rx 62 - const: tx 63 64 rs485-rts-active-low: true 65 linux,rs485-enabled-at-boot-time: true 66 67required: 68 - compatible 69 - reg 70 - interrupts 71 - clocks 72 - clock-names 73 74unevaluatedProperties: false 75 76examples: 77 - | 78 #include <dt-bindings/clock/vf610-clock.h> 79 80 serial@40027000 { 81 compatible = "fsl,vf610-lpuart"; 82 reg = <0x40027000 0x1000>; 83 interrupts = <0 61 0x00>; 84 clocks = <&clks VF610_CLK_UART0>; 85 clock-names = "ipg"; 86 dmas = <&edma0 0 2>, <&edma0 0 3>; 87 dma-names = "rx","tx"; 88 };