linux-kernel - [PATCH v13 1/2] spi: dt-bindings: add loongson spi

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Message-Id: <20230613075834.5219-2-zhuyinbo@loongson.cn>
Date:   Tue, 13 Jun 2023 15:58:33 +0800
From:   Yinbo Zhu <zhuyinbo@...ngson.cn>
To:     Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Jianmin Lv <lvjianmin@...ngson.cn>, wanghongliang@...ngson.cn,
        Liu Peibao <liupeibao@...ngson.cn>,
        loongson-kernel@...ts.loongnix.cn,
        Yinbo Zhu <zhuyinbo@...ngson.cn>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v13 1/2] spi: dt-bindings: add loongson spi

Add the Loongson platform spi binding with DT schema format using
json-schema.

Signed-off-by: Yinbo Zhu <zhuyinbo@...ngson.cn>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../bindings/spi/loongson,ls2k-spi.yaml       | 46 +++++++++++++++++++
 MAINTAINERS                                   |  6 +++
 2 files changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml

diff --git a/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
new file mode 100644
index 000000000000..de9d32feadf5
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/loongson,ls2k-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson SPI controller
+
+maintainers:
+  - Yinbo Zhu <zhuyinbo@...ngson.cn>
+
+allOf:
+  - $ref: /schemas/spi/spi-controller.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - loongson,ls2k1000-spi
+      - items:
+          - enum:
+              - loongson,ls2k0500-spi
+          - const: loongson,ls2k1000-spi
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi0: spi@...f0220{
+        compatible = "loongson,ls2k1000-spi";
+        reg = <0x1fff0220 0x10>;
+        clocks = <&clk 17>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index bc201627c2e0..5e604dddd87b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12186,6 +12186,12 @@ F:	Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
 F:	drivers/clk/clk-loongson2.c
 F:	include/dt-bindings/clock/loongson,ls2k-clk.h
 
+LOONGSON SPI DRIVER
+M:	Yinbo Zhu <zhuyinbo@...ngson.cn>
+L:	linux-spi@...r.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
+
 LOONGSON-2 SOC SERIES GUTS DRIVER
 M:	Yinbo Zhu <zhuyinbo@...ngson.cn>
 L:	loongarch@...ts.linux.dev
-- 
2.20.1