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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml b/Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml new file mode 100644 index 000000000..9702c07a6 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/fsl-imx-uart.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX Universal Asynchronous Receiver/Transmitter (UART) + +maintainers: + - Fabio Estevam <fabio.estevam@nxp.com> + +allOf: + - $ref: "serial.yaml" + - $ref: "rs485.yaml" + +properties: + compatible: + oneOf: + - const: fsl,imx1-uart + - const: fsl,imx21-uart + - items: + - enum: + - fsl,imx25-uart + - fsl,imx27-uart + - fsl,imx31-uart + - fsl,imx35-uart + - fsl,imx50-uart + - fsl,imx51-uart + - fsl,imx53-uart + - fsl,imx6q-uart + - const: fsl,imx21-uart + - items: + - enum: + - fsl,imx6sl-uart + - fsl,imx6sll-uart + - fsl,imx6sx-uart + - const: fsl,imx6q-uart + - const: fsl,imx21-uart + - items: + - enum: + - fsl,imx6ul-uart + - fsl,imx7d-uart + - fsl,imx8mm-uart + - fsl,imx8mn-uart + - fsl,imx8mp-uart + - fsl,imx8mq-uart + - const: fsl,imx6q-uart + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + fsl,dte-mode: + $ref: /schemas/types.yaml#/definitions/flag + description: | + Indicate the uart works in DTE mode. The uart works in DCE mode by default. + + fsl,inverted-tx: + $ref: /schemas/types.yaml#/definitions/flag + description: | + Indicate that the hardware attached to the peripheral inverts the signal + transmitted, and that the peripheral should invert its output using the + INVT registers. + + fsl,inverted-rx: + $ref: /schemas/types.yaml#/definitions/flag + description: | + Indicate that the hardware attached to the peripheral inverts the signal + received, and that the peripheral should invert its input using the + INVR registers. + + uart-has-rtscts: true + + rs485-rts-delay: true + rs485-rts-active-low: true + rs485-rx-during-tx: true + linux,rs485-enabled-at-boot-time: true + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + aliases { + serial0 = &uart1; + }; + + uart1: serial@73fbc000 { + compatible = "fsl,imx51-uart", "fsl,imx21-uart"; + reg = <0x73fbc000 0x4000>; + interrupts = <31>; + uart-has-rtscts; + fsl,dte-mode; + }; |