[PATCH 1/3] dt-bindings: mtd: rzn1: Describe Renesas RZ/N1 NAND controller

Miquel Raynal miquel.raynal at bootlin.com
Thu Nov 18 03:19:38 PST 2021


Add a Yaml description for this Renesas NAND controller bindings.

Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
---
 .../renesas,r9a06g032-nand-controller.yaml    | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/renesas,r9a06g032-nand-controller.yaml

diff --git a/Documentation/devicetree/bindings/mtd/renesas,r9a06g032-nand-controller.yaml b/Documentation/devicetree/bindings/mtd/renesas,r9a06g032-nand-controller.yaml
new file mode 100644
index 000000000000..880b6e534573
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/renesas,r9a06g032-nand-controller.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/renesas,r9a06g032-nand-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/N1x NAND flash controller device tree bindings
+
+maintainers:
+  - Miquel Raynal <miquel.raynal at bootlin.com>
+
+allOf:
+  - $ref: "nand-controller.yaml"
+
+properties:
+  compatible:
+    const: renesas,r9a06g032-nand-controller
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Host controller clock
+      - description: External NAND bus clock
+
+  clock-names:
+    items:
+      - const: hclk
+      - const: eclk
+
+  "#address-cells": true
+  "#size-cells": true
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+
+additionalProperties: true
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    nand-controller at 40102000 {
+        compatible = "renesas,r9a06g032-nand-controller";
+        reg = <0x40102000 0x2000>;
+        interrupts = <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&hclk_nand>, <&clk_nand>;
+        clock-names = "hclk", "eclk";
+        #address-cells = <1>;
+        #size-cells = <0>;
+    };
-- 
2.27.0




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