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c5c8a6e93e
imx23 and imx28 are SoCs from the same family (mxs) and they share the same AUART block, so the same programming model. imx23 is the first member of this family. It had an AUART DMA erratum. imx28 is the second member of this family and has this erratum fixed. imx28.dtsi uses the following description: compatible = "fsl,imx28-auart", "fsl,imx23-auart"; Make it valid so that the following schema warning could be avoided: imx28-apx4devkit.dtb: serial@8006a000: compatible: ['fsl,imx28-auart', 'fsl,imx23-auart'] is too long from schema $id: http://devicetree.org/schemas/serial/fsl-mxs-auart.yaml# Signed-off-by: Fabio Estevam <festevam@denx.de> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20230921133733.224602-1-festevam@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
94 lines
1.7 KiB
YAML
94 lines
1.7 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/serial/fsl-mxs-auart.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale MXS Application UART (AUART)
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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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properties:
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compatible:
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oneOf:
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- const: fsl,imx23-auart
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- const: alphascale,asm9260-auart
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- items:
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- enum:
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- fsl,imx28-auart
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- const: fsl,imx23-auart
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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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dmas:
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items:
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- description: DMA controller phandle and request line for RX
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- description: DMA controller phandle and request line for TX
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dma-names:
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items:
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- const: rx
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- const: tx
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clocks:
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items:
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- description: mod clock
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- description: ahb clock
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minItems: 1
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clock-names:
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items:
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- const: mod
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- const: ahb
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minItems: 1
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uart-has-rtscts: true
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rts-gpios: true
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cts-gpios: true
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dtr-gpios: true
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dsr-gpios: true
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rng-gpios: true
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dcd-gpios: true
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if:
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properties:
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compatible:
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contains:
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enum:
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- alphascale,asm9260-auart
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then:
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required:
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- clocks
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- clock-names
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required:
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- compatible
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- reg
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- interrupts
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- dmas
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- dma-names
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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 = &auart0;
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};
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auart0: serial@8006a000 {
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compatible = "fsl,imx28-auart", "fsl,imx23-auart";
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reg = <0x8006a000 0x2000>;
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interrupts = <112>;
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dmas = <&dma_apbx 8>, <&dma_apbx 9>;
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dma-names = "rx", "tx";
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clocks = <&clks 45>;
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};
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