# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/serial/8250_omap.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: 8250 compliant UARTs on TI's OMAP2+ and K3 SoCs maintainers: - Vignesh Raghavendra allOf: - $ref: /schemas/serial/serial.yaml# - $ref: /schemas/serial/rs485.yaml# properties: compatible: oneOf: - enum: - ti,am3352-uart - ti,am4372-uart - ti,am654-uart - ti,dra742-uart - ti,omap2-uart - ti,omap3-uart - ti,omap4-uart - items: - enum: - ti,am64-uart - ti,j721e-uart - const: ti,am654-uart ti,hwmods: description: Must be "uart", n being the instance number (1-based) This property is applicable only on legacy platforms mainly omap2/3 and ti81xx and should not be used on other platforms. $ref: /schemas/types.yaml#/definitions/string deprecated: true dmas: minItems: 1 maxItems: 2 dma-names: items: - const: tx - const: rx reg: maxItems: 1 interrupts: minItems: 1 maxItems: 2 description: First entry is module IRQ required for normal IO operation. Second entry is optional and corresponds to system wakeup IRQ where supported. clocks: maxItems: 1 clock-names: const: fclk rts-gpios: true cts-gpios: true dtr-gpios: true dsr-gpios: true rng-gpios: true dcd-gpios: true rs485-rts-active-high: true rts-gpio: true power-domains: true clock-frequency: true current-speed: true overrun-throttle-ms: true required: - compatible - reg - interrupts unevaluatedProperties: false if: properties: compatible: contains: enum: - ti,omap2-uart - ti,omap3-uart - ti,omap4-uart then: properties: ti,hwmods: items: - pattern: "^uart([1-9])$" else: properties: ti,hwmods: false examples: - | serial@49042000 { compatible = "ti,omap3-uart"; reg = <0x49042000 0x400>; interrupts = <80>; dmas = <&sdma 81 &sdma 82>; dma-names = "tx", "rx"; ti,hwmods = "uart4"; clock-frequency = <48000000>; };