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120 lines
2.4 KiB
120 lines
2.4 KiB
# 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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$id: http://devicetree.org/schemas/serial/8250_omap.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Bindings for 8250 compliant UARTs on TI's OMAP2+ and K3 SoCs |
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maintainers: |
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- Vignesh Raghavendra <[email protected]> |
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allOf: |
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- $ref: /schemas/serial/serial.yaml# |
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- $ref: /schemas/serial/rs485.yaml# |
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properties: |
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compatible: |
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oneOf: |
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- enum: |
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- ti,am3352-uart |
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- ti,am4372-uart |
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- ti,am654-uart |
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- ti,dra742-uart |
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- ti,omap2-uart |
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- ti,omap3-uart |
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- ti,omap4-uart |
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- items: |
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- enum: |
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- ti,am64-uart |
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- ti,j721e-uart |
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- const: ti,am654-uart |
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ti,hwmods: |
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description: |
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Must be "uart<n>", n being the instance number (1-based) |
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This property is applicable only on legacy platforms mainly omap2/3 |
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and ti81xx and should not be used on other platforms. |
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$ref: /schemas/types.yaml#/definitions/string |
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deprecated: true |
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dmas: |
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minItems: 1 |
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maxItems: 2 |
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dma-names: |
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items: |
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- const: tx |
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- const: rx |
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reg: |
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maxItems: 1 |
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interrupts: |
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minItems: 1 |
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maxItems: 2 |
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description: |
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First entry is module IRQ required for normal IO operation. |
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Second entry is optional and corresponds to system wakeup IRQ |
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where supported. |
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clocks: |
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maxItems: 1 |
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clock-names: |
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const: fclk |
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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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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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rs485-rts-active-high: true |
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linux,rs485-enabled-at-boot-time: true |
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rts-gpio: true |
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power-domains: true |
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clock-frequency: true |
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current-speed: true |
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overrun-throttle-ms: 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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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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- ti,omap2-uart |
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- ti,omap3-uart |
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- ti,omap4-uart |
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then: |
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properties: |
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ti,hwmods: |
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items: |
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- pattern: "^uart([1-9])$" |
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else: |
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properties: |
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ti,hwmods: false |
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examples: |
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- | |
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serial@49042000 { |
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compatible = "ti,omap3-uart"; |
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reg = <0x49042000 0x400>; |
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interrupts = <80>; |
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dmas = <&sdma 81 &sdma 82>; |
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dma-names = "tx", "rx"; |
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ti,hwmods = "uart4"; |
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clock-frequency = <48000000>; |
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};
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