diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial/serial.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/serial.yaml | 78 |
1 files changed, 36 insertions, 42 deletions
diff --git a/Documentation/devicetree/bindings/serial/serial.yaml b/Documentation/devicetree/bindings/serial/serial.yaml index 8645d0e526b4..6aa9cfae417b 100644 --- a/Documentation/devicetree/bindings/serial/serial.yaml +++ b/Documentation/devicetree/bindings/serial/serial.yaml @@ -1,10 +1,10 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: "http://devicetree.org/schemas/serial/serial.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/serial/serial.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# -title: Serial Interface Generic DT Bindings +title: Serial Interface Generic maintainers: - Rob Herring <robh@kernel.org> @@ -23,6 +23,8 @@ properties: $nodename: pattern: "^serial(@.*)?$" + label: true + cts-gpios: maxItems: 1 description: @@ -75,19 +77,23 @@ properties: type: boolean description: CTS and RTS pins are swapped. -if: - required: - - uart-has-rtscts -then: - properties: - cts-gpios: false - rts-gpios: false + rx-threshold: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + RX FIFO threshold configuration (in bytes). + + tx-threshold: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + TX FIFO threshold configuration (in bytes). patternProperties: - ".*": + "^(bluetooth|bluetooth-gnss|embedded-controller|gnss|gps|mcu|onewire)$": if: type: object then: + additionalProperties: true + $ref: serial-peripheral-props.yaml# description: Serial attached devices shall be a child node of the host UART device the slave device is attached to. It is expected that the attached @@ -99,41 +105,29 @@ patternProperties: description: Compatible of the device connected to the serial port. - max-speed: - $ref: /schemas/types.yaml#/definitions/uint32 - description: - The maximum baud rate the device operates at. - This should only be present if the maximum is less than the slave - device can support. For example, a particular board has some - signal quality issue or the host processor can't support higher - baud rates. - - current-speed: - $ref: /schemas/types.yaml#/definitions/uint32 - description: | - The current baud rate the device operates at. - This should only be present in case a driver has no chance to know - the baud rate of the slave device. - Examples: - * device supports auto-baud - * the rate is setup by a bootloader and there is no way to reset - the device - * device baud rate is configured by its firmware but there is no - way to request the actual settings - required: - compatible +if: + required: + - uart-has-rtscts +then: + properties: + cts-gpios: false + rts-gpios: false + +additionalProperties: true + examples: - | serial@1234 { - compatible = "ns16550a"; - reg = <0x1234 0x20>; - interrupts = <1>; - - bluetooth { - compatible = "brcm,bcm43341-bt"; - interrupt-parent = <&gpio>; - interrupts = <10>; - }; + compatible = "ns16550a"; + reg = <0x1234 0x20>; + interrupts = <1>; + + bluetooth { + compatible = "brcm,bcm4330-bt"; + interrupt-parent = <&gpio>; + interrupts = <10>; + }; }; |