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-rw-r--r--dts/Bindings/serial/serial.yaml62
1 files changed, 42 insertions, 20 deletions
diff --git a/dts/Bindings/serial/serial.yaml b/dts/Bindings/serial/serial.yaml
index 53204d90d0..65804ca274 100644
--- a/dts/Bindings/serial/serial.yaml
+++ b/dts/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:
@@ -67,16 +69,26 @@ properties:
(wired and enabled by pinmux configuration). This depends on both the
UART hardware and the board wiring.
-if:
- required:
- - uart-has-rtscts
-then:
- properties:
- cts-gpios: false
- rts-gpios: false
+ rx-tx-swap:
+ type: boolean
+ description: RX and TX pins are swapped.
+
+ cts-rts-swap:
+ type: boolean
+ description: CTS and RTS pins are swapped.
+
+ rx-threshold:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ RX FIFO threshold configuration (in bytes).
+
+ tx-threshold:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ TX FIFO threshold configuration (in bytes).
patternProperties:
- ".*":
+ "^(bluetooth|bluetooth-gnss|gnss|gps|mcu)$":
if:
type: object
then:
@@ -116,16 +128,26 @@ patternProperties:
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>;
+ };
};