projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 178984d8 AH |
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 | ||
| 7 | title: Freescale low power universal asynchronous receiver/transmitter (lpuart) | |
| 8 | ||
| 9 | maintainers: | |
| 10 | - Fugang Duan <fugang.duan@nxp.com> | |
| 11 | ||
| 12 | allOf: | |
| 13 | - $ref: "rs485.yaml" | |
| 14 | ||
| 15 | properties: | |
| 16 | compatible: | |
| cc4521cf KK |
17 | oneOf: |
| 18 | - enum: | |
| 19 | - fsl,vf610-lpuart | |
| 20 | - fsl,ls1021a-lpuart | |
| 21 | - fsl,ls1028a-lpuart | |
| 22 | - fsl,imx7ulp-lpuart | |
| e67b9bc4 | 23 | - fsl,imx8qxp-lpuart |
| 9629eeb0 | 24 | - fsl,imxrt1050-lpuart |
| cc4521cf | 25 | - items: |
| e67b9bc4 | 26 | - const: fsl,imx8ulp-lpuart |
| cc4521cf | 27 | - const: fsl,imx7ulp-lpuart |
| e5ce127e | 28 | - items: |
| 33058253 AV |
29 | - enum: |
| 30 | - fsl,imx8qm-lpuart | |
| 31 | - fsl,imx8dxl-lpuart | |
| e5ce127e | 32 | - const: fsl,imx8qxp-lpuart |
| 178984d8 AH |
33 | |
| 34 | reg: | |
| 35 | maxItems: 1 | |
| 36 | ||
| 37 | interrupts: | |
| 38 | maxItems: 1 | |
| 39 | ||
| 40 | clocks: | |
| 41 | items: | |
| 42 | - description: ipg clock | |
| 43 | - description: baud clock | |
| 44 | minItems: 1 | |
| 178984d8 AH |
45 | |
| 46 | clock-names: | |
| 47 | items: | |
| 48 | - const: ipg | |
| 49 | - const: baud | |
| 50 | minItems: 1 | |
| 178984d8 AH |
51 | |
| 52 | dmas: | |
| 53 | items: | |
| 54 | - description: DMA controller phandle and request line for RX | |
| 55 | - description: DMA controller phandle and request line for TX | |
| 56 | ||
| 57 | dma-names: | |
| 58 | items: | |
| 59 | - const: rx | |
| 60 | - const: tx | |
| 61 | ||
| 62 | rs485-rts-active-low: true | |
| 63 | linux,rs485-enabled-at-boot-time: true | |
| 64 | ||
| 65 | required: | |
| 66 | - compatible | |
| 67 | - reg | |
| 68 | - interrupts | |
| 69 | - clocks | |
| 70 | - clock-names | |
| 71 | ||
| 72 | unevaluatedProperties: false | |
| 73 | ||
| 74 | examples: | |
| 75 | - | | |
| 76 | #include <dt-bindings/clock/vf610-clock.h> | |
| 77 | ||
| 78 | serial@40027000 { | |
| 79 | compatible = "fsl,vf610-lpuart"; | |
| 80 | reg = <0x40027000 0x1000>; | |
| 81 | interrupts = <0 61 0x00>; | |
| 82 | clocks = <&clks VF610_CLK_UART0>; | |
| 83 | clock-names = "ipg"; | |
| 84 | dmas = <&edma0 0 2>, <&edma0 0 3>; | |
| 85 | dma-names = "rx","tx"; | |
| 86 | }; |