linux-kernel - [RFC PATCH 1/2] spi: dt-bindings: add Siflower Quad SPI controller

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Date: Fri, 29 Mar 2024 09:51:46 +0800
From: Qingfang Deng <dqfext@...il.com>
To: Mark Brown <broonie@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Qingfang Deng <qingfang.deng@...lower.com.cn>,
	linux-spi@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RFC PATCH 1/2] spi: dt-bindings: add Siflower Quad SPI controller

From: Qingfang Deng <qingfang.deng@...lower.com.cn>

Add YAML devicetree bindings for Siflower Quad SPI controller.

Signed-off-by: Qingfang Deng <qingfang.deng@...lower.com.cn>
---
 .../bindings/spi/siflower,qspi.yaml           | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/siflower,qspi.yaml

diff --git a/Documentation/devicetree/bindings/spi/siflower,qspi.yaml b/Documentation/devicetree/bindings/spi/siflower,qspi.yaml
new file mode 100644
index 000000000000..c2dbe82affc2
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/siflower,qspi.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/siflower,qspi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Siflower Quad Serial Peripheral Interface (QSPI)
+
+maintainers:
+  - Qingfang Deng <qingfang.deng@...lower.com.cn>
+
+allOf:
+  - $ref: spi-controller.yaml#
+
+properties:
+  compatible:
+    const: siflower,qspi
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - '#address-cells'
+  - '#size-cells'
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi@...0000 {
+      compatible = "siflower,qspi";
+      reg = <0 0xc200000 0 0x1000>;
+      clocks = <&apb_clk>;
+      interrupts = <39>;
+      pinctrl-names = "default";
+      pinctrl-0 = <&spi0_pins>;
+      #address-cells = <1>;
+      #size-cells = <0>;
+    };
-- 
2.34.1