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authorMiquel Raynal2021-06-10 10:20:39 +0200
committerMiquel Raynal2021-06-18 09:45:21 +0200
commit2f86102bd5484f145870213e79f6fbcf90f494c0 (patch)
tree8b43b2925643cfd8c6a755f91efaf3449f475527
parentd70c6b026069cb8a26a37770c710345679044978 (diff)
dt-bindings: mtd: pl353-nand: Describe this hardware controller
Add a yaml description of this NAND controller which is described as a subnode of the SMC bus. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/linux-mtd/20210610082040.2075611-18-miquel.raynal@bootlin.com
-rw-r--r--Documentation/devicetree/bindings/mtd/arm,pl353-nand-r2p1.yaml53
1 files changed, 53 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/arm,pl353-nand-r2p1.yaml b/Documentation/devicetree/bindings/mtd/arm,pl353-nand-r2p1.yaml
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index 000000000000..5f126bb9b202
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+++ b/Documentation/devicetree/bindings/mtd/arm,pl353-nand-r2p1.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/arm,pl353-nand-r2p1.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: PL353 NAND Controller device tree bindings
+
+allOf:
+ - $ref: "nand-controller.yaml"
+
+maintainers:
+ - Miquel Raynal <miquel.raynal@bootlin.com>
+ - Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
+
+properties:
+ compatible:
+ items:
+ - const: arm,pl353-nand-r2p1
+
+ reg:
+ items:
+ - items:
+ - description: CS with regard to the parent ranges property
+ - description: Offset of the memory region requested by the device
+ - description: Length of the memory region requested by the device
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ smcc: memory-controller@e000e000 {
+ compatible = "arm,pl353-smc-r2p1", "arm,primecell";
+ reg = <0xe000e000 0x0001000>;
+ clock-names = "memclk", "apb_pclk";
+ clocks = <&clkc 11>, <&clkc 44>;
+ ranges = <0x0 0x0 0xe1000000 0x1000000 /* Nand CS region */
+ 0x1 0x0 0xe2000000 0x2000000 /* SRAM/NOR CS0 region */
+ 0x2 0x0 0xe4000000 0x2000000>; /* SRAM/NOR CS1 region */
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ nfc0: nand-controller@0,0 {
+ compatible = "arm,pl353-nand-r2p1";
+ reg = <0 0 0x1000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };