81004f0bf7
My nxp account will expire soon, so switch to my personal e-mail address. Signed-off-by: Fabio Estevam <festevam@gmail.com> Link: https://lore.kernel.org/r/20210130144751.133641-1-festevam@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
101 lines
2.4 KiB
YAML
101 lines
2.4 KiB
YAML
# 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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$id: http://devicetree.org/schemas/serial/fsl-imx-uart.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale i.MX Universal Asynchronous Receiver/Transmitter (UART)
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maintainers:
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- Fabio Estevam <festevam@gmail.com>
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allOf:
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- $ref: "serial.yaml"
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- $ref: "rs485.yaml"
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properties:
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compatible:
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oneOf:
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- const: fsl,imx1-uart
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- const: fsl,imx21-uart
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- items:
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- enum:
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- fsl,imx25-uart
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- fsl,imx27-uart
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- fsl,imx31-uart
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- fsl,imx35-uart
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- fsl,imx50-uart
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- fsl,imx51-uart
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- fsl,imx53-uart
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- fsl,imx6q-uart
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- const: fsl,imx21-uart
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- items:
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- enum:
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- fsl,imx6sl-uart
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- fsl,imx6sll-uart
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- fsl,imx6sx-uart
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- const: fsl,imx6q-uart
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- const: fsl,imx21-uart
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- items:
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- enum:
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- fsl,imx6ul-uart
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- fsl,imx7d-uart
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- fsl,imx8mm-uart
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- fsl,imx8mn-uart
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- fsl,imx8mp-uart
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- fsl,imx8mq-uart
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- const: fsl,imx6q-uart
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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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fsl,dte-mode:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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Indicate the uart works in DTE mode. The uart works in DCE mode by default.
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fsl,inverted-tx:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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Indicate that the hardware attached to the peripheral inverts the signal
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transmitted, and that the peripheral should invert its output using the
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INVT registers.
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fsl,inverted-rx:
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$ref: /schemas/types.yaml#/definitions/flag
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description: |
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Indicate that the hardware attached to the peripheral inverts the signal
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received, and that the peripheral should invert its input using the
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INVR registers.
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uart-has-rtscts: true
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rs485-rts-delay: true
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rs485-rts-active-low: true
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rs485-rx-during-tx: true
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linux,rs485-enabled-at-boot-time: true
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required:
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- compatible
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- reg
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- interrupts
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unevaluatedProperties: false
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examples:
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- |
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aliases {
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serial0 = &uart1;
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};
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uart1: serial@73fbc000 {
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compatible = "fsl,imx51-uart", "fsl,imx21-uart";
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reg = <0x73fbc000 0x4000>;
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interrupts = <31>;
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uart-has-rtscts;
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fsl,dte-mode;
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};
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