[PATCH v2 05/10] dt-bindings: serial: add Ambarella UART
From: Long Zhao via B4 Relay <devnull+longzhao.ambarella.com@kernel.org>
Date: 2026-08-06 09:34:26
Also in:
b4-sent, linux-arm-kernel, linux-clk, linux-gpio, linux-serial, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest, tty layer and serial drivers · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
From: Long Zhao <redacted> Document the Ambarella UART controller. Signed-off-by: Long Zhao <redacted> --- .../bindings/serial/ambarella,cv75-uart.yaml | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/ambarella,cv75-uart.yaml b/Documentation/devicetree/bindings/serial/ambarella,cv75-uart.yaml
new file mode 100644
index 000000000000..86d6d8a61ace
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/ambarella,cv75-uart.yaml@@ -0,0 +1,45 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/ambarella,cv75-uart.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ambarella CV75 UART + +maintainers: + - Long Zhao <longzhao@ambarella.com> + +allOf: + - $ref: serial.yaml# + +properties: + compatible: + const: ambarella,cv75-uart + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + serial@e4000000 { + compatible = "ambarella,cv75-uart"; + reg = <0xe4000000 0x1000>; + interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&uart_clk>; + };
--
2.34.1