1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/serial/fsl- 4 $id: http://devicetree.org/schemas/serial/fsl-lpuart.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Freescale low power universal asynchron 7 title: Freescale low power universal asynchronous receiver/transmitter (lpuart)
8 8
9 maintainers: 9 maintainers:
10 - Fugang Duan <fugang.duan@nxp.com> 10 - Fugang Duan <fugang.duan@nxp.com>
11 11
12 allOf: 12 allOf:
13 - $ref: rs485.yaml# !! 13 - $ref: "rs485.yaml"
14 - $ref: serial.yaml# <<
15 14
16 properties: 15 properties:
17 compatible: 16 compatible:
18 oneOf: 17 oneOf:
19 - enum: 18 - enum:
20 - fsl,vf610-lpuart 19 - fsl,vf610-lpuart
21 - fsl,ls1021a-lpuart 20 - fsl,ls1021a-lpuart
22 - fsl,ls1028a-lpuart 21 - fsl,ls1028a-lpuart
23 - fsl,imx7ulp-lpuart 22 - fsl,imx7ulp-lpuart
24 - fsl,imx8qxp-lpuart !! 23 - fsl,imx8qm-lpuart
25 - fsl,imxrt1050-lpuart <<
26 - items: 24 - items:
27 - enum: <<
28 - fsl,imx8ulp-lpuart <<
29 - const: fsl,imx7ulp-lpuart <<
30 - items: <<
31 - enum: <<
32 - fsl,imx93-lpuart <<
33 - fsl,imx95-lpuart <<
34 - const: fsl,imx8ulp-lpuart <<
35 - const: fsl,imx7ulp-lpuart <<
36 - items: <<
37 - enum: <<
38 - fsl,imx8qm-lpuart <<
39 - fsl,imx8dxl-lpuart <<
40 - const: fsl,imx8qxp-lpuart 25 - const: fsl,imx8qxp-lpuart
41 - items: !! 26 - const: fsl,imx7ulp-lpuart
42 - const: fsl,imxrt1050-lpuart <<
43 - const: fsl,imxrt1170-lpuart <<
44 27
45 reg: 28 reg:
46 maxItems: 1 29 maxItems: 1
47 30
48 interrupts: 31 interrupts:
49 maxItems: 1 32 maxItems: 1
50 33
51 clocks: 34 clocks:
52 items: 35 items:
53 - description: ipg clock 36 - description: ipg clock
54 - description: baud clock 37 - description: baud clock
55 minItems: 1 38 minItems: 1
56 39
57 clock-names: 40 clock-names:
58 items: 41 items:
59 - const: ipg 42 - const: ipg
60 - const: baud 43 - const: baud
61 minItems: 1 44 minItems: 1
62 45
63 dmas: 46 dmas:
64 items: 47 items:
65 - description: DMA controller phandle an 48 - description: DMA controller phandle and request line for RX
66 - description: DMA controller phandle an 49 - description: DMA controller phandle and request line for TX
67 50
68 dma-names: 51 dma-names:
69 items: 52 items:
70 - const: rx 53 - const: rx
71 - const: tx 54 - const: tx
72 55
73 power-domains: !! 56 rs485-rts-active-low: true
74 maxItems: 1 !! 57 linux,rs485-enabled-at-boot-time: true
75 58
76 required: 59 required:
77 - compatible 60 - compatible
78 - reg 61 - reg
79 - interrupts 62 - interrupts
80 - clocks 63 - clocks
81 - clock-names 64 - clock-names
82 65
83 unevaluatedProperties: false 66 unevaluatedProperties: false
84 67
85 examples: 68 examples:
86 - | 69 - |
87 #include <dt-bindings/clock/vf610-clock.h> 70 #include <dt-bindings/clock/vf610-clock.h>
88 71
89 serial@40027000 { 72 serial@40027000 {
90 compatible = "fsl,vf610-lpuart"; 73 compatible = "fsl,vf610-lpuart";
91 reg = <0x40027000 0x1000>; 74 reg = <0x40027000 0x1000>;
92 interrupts = <0 61 0x00>; 75 interrupts = <0 61 0x00>;
93 clocks = <&clks VF610_CLK_UART0>; 76 clocks = <&clks VF610_CLK_UART0>;
94 clock-names = "ipg"; 77 clock-names = "ipg";
95 dmas = <&edma0 0 2>, <&edma0 0 3>; 78 dmas = <&edma0 0 2>, <&edma0 0 3>;
96 dma-names = "rx","tx"; 79 dma-names = "rx","tx";
97 }; 80 };
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