linux-kernel - [PATCH] dt-bindings: mtd: Add Samsung S5Pv210 OneNAND

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Message-Id: <20240313184317.18466-1-krzysztof.kozlowski@linaro.org>
Date: Wed, 13 Mar 2024 19:43:17 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	linux-mtd@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] dt-bindings: mtd: Add Samsung S5Pv210 OneNAND

Document binding for Samsung S5Pv210 SoC OneNAND controller used already
in S5Pv210 DTS.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../bindings/mtd/samsung,s5pv210-onenand.yaml | 65 +++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/samsung,s5pv210-onenand.yaml

diff --git a/Documentation/devicetree/bindings/mtd/samsung,s5pv210-onenand.yaml b/Documentation/devicetree/bindings/mtd/samsung,s5pv210-onenand.yaml
new file mode 100644
index 000000000000..e07941b69904
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/samsung,s5pv210-onenand.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/samsung,s5pv210-onenand.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung S5Pv210 SoC OneNAND Controller
+
+maintainers:
+  - Krzysztof Kozlowski <krzk@...nel.org>
+
+properties:
+  compatible:
+    enum:
+      - samsung,s5pv210-onenand
+
+  reg:
+    items:
+      - description: Control registers
+      - description: OneNAND interface nCE[0]
+      - description: OneNAND interface nCE[1]
+
+  clocks:
+    maxItems: 2
+
+  clock-names:
+    items:
+      - const: bus
+      - const: onenand
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+
+allOf:
+  - $ref: nand-controller.yaml
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/s5pv210.h>
+
+    nand-controller@...00000 {
+        compatible = "samsung,s5pv210-onenand";
+        reg = <0xb0600000 0x2000>,
+              <0xb0000000 0x20000>,
+              <0xb0040000 0x20000>;
+        clocks = <&clocks CLK_NANDXL>, <&clocks DOUT_FLASH>;
+        clock-names = "bus", "onenand";
+        interrupt-parent = <&vic1>;
+        interrupts = <31>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        nand@0 {
+            reg = <0>;
+        };
+    };
-- 
2.34.1