linux-kernel - [PATCH 1/3] dt-bindings: spi: axiado,ax3000-spi: Add binding for Axiado SPI DB controller

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Message-Id: <20250915-axiado-ax3000-soc-spi-db-controller-driver-v1-1-814a1fa2a83e@axiado.com>
Date: Mon, 15 Sep 2025 06:11:55 -0700
From: Vladimir Moravcevic <vmoravcevic@...ado.com>
To: Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Harshit Shah <hshah@...ado.com>, 
 Tzu-Hao Wei <twei@...ado.com>, 
 Axiado Reviewers <linux-maintainer@...ado.com>
Cc: linux-spi@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Vladimir Moravcevic <vmoravcevic@...ado.com>
Subject: [PATCH 1/3] dt-bindings: spi: axiado,ax3000-spi: Add binding for
 Axiado SPI DB controller

Add documentation for Axiado Digital Block SPI controller.

Signed-off-by: Vladimir Moravcevic <vmoravcevic@...ado.com>
---
 .../devicetree/bindings/spi/axiado,ax3000-spi.yaml | 62 ++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/axiado,ax3000-spi.yaml b/Documentation/devicetree/bindings/spi/axiado,ax3000-spi.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..18e4b002ac99ecdd70d724680e24f2867c82dd42
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/axiado,ax3000-spi.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/axiado,ax3000-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Axiado AX3000 SoC SPI controller
+
+maintainers:
+  - Vladimir Moravcevic <vmoravcevic@...ado.com>
+
+allOf:
+  - $ref: spi-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - axiado,ax3000-spi
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: ref_clk
+      - const: pclk
+
+  clocks:
+    maxItems: 2
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clock-names
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+   #include <dt-bindings/interrupt-controller/irq.h>
+   #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+   soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      spi0: spi@...10000 {
+         compatible = "axiado,ax3000-spi";
+         reg = <0x00 0x80510000 0x00 0x1000>;
+         clock-names = "ref_clk", "pclk";
+         clocks = <&spi_clk &spi_clk>;
+         interrupt-parent = <&gic500>;
+         interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
+         num-cs = <1>;
+      };
+   };
+...

-- 
2.25.1