[PATCH v2 05/10] dt-bindings: serial: add Ambarella UART

Long Zhao via B4 Relay <[email protected]> Thu, 06 Aug 2026 17:34:13 +0800
Newsgroups org.kernel.vger.linux-serial,dev.linux.lists.soc,org.infradead.lists.linux-arm-kernel,org.kernel.feeds.b4-sent,org.kernel.vger.linux-clk,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-gpio,org.kernel.vger.linux-kernel
Message-ID <20260806-longzhao-upstream-cv75-v2-v2-5-6b09707c5fe9@ambarella.com>
From: Long Zhao <[email protected]>

Document the Ambarella UART controller.

Signed-off-by: Long Zhao <[email protected]>
---
 .../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 <[email protected]>
+
+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