summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/mtd
diff options
context:
space:
mode:
authorRamuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>2020-11-10 09:23:32 +0800
committerMiquel Raynal <miquel.raynal@bootlin.com>2020-12-10 22:37:32 +0100
commit2f9cea8eae44f53e931bf629138b034fec86c0b7 (patch)
tree6ad1d4df76e0c1eac05165f6ef88a7e1356d5202 /Documentation/devicetree/bindings/mtd
parent8c573d9419bf61f7b66b6114f1171f3a8a4a0e38 (diff)
dt-bindings: mtd: Add Nand Flash Controller support for Intel LGM SoC
Add YAML file for dt-bindings to support NAND Flash Controller on Intel's Lightning Mountain SoC. Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20201110012333.18647-2-vadivel.muruganx.ramuthevar@linux.intel.com
Diffstat (limited to 'Documentation/devicetree/bindings/mtd')
-rw-r--r--Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml99
1 files changed, 99 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml b/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
new file mode 100644
index 000000000000..30e0c66ab0eb
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
@@ -0,0 +1,99 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/intel,lgm-nand.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel LGM SoC NAND Controller Device Tree Bindings
+
+allOf:
+ - $ref: "nand-controller.yaml"
+
+maintainers:
+ - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
+
+properties:
+ compatible:
+ const: intel,lgm-nand
+
+ reg:
+ maxItems: 6
+
+ reg-names:
+ items:
+ - const: ebunand
+ - const: hsnand
+ - const: nand_cs0
+ - const: nand_cs1
+ - const: addr_sel0
+ - const: addr_sel1
+
+ clocks:
+ maxItems: 1
+
+ dmas:
+ maxItems: 2
+
+ dma-names:
+ items:
+ - const: tx
+ - const: rx
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "^nand@[a-f0-9]+$":
+ type: object
+ properties:
+ reg:
+ minimum: 0
+ maximum: 7
+
+ nand-ecc-mode: true
+
+ nand-ecc-algo:
+ const: hw
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - dmas
+ - dma-names
+ - "#address-cells"
+ - "#size-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ nand-controller@e0f00000 {
+ compatible = "intel,lgm-nand";
+ reg = <0xe0f00000 0x100>,
+ <0xe1000000 0x300>,
+ <0xe1400000 0x8000>,
+ <0xe1c00000 0x1000>,
+ <0x17400000 0x4>,
+ <0x17c00000 0x4>;
+ reg-names = "ebunand", "hsnand", "nand_cs0", "nand_cs1",
+ "addr_sel0", "addr_sel1";
+ clocks = <&cgu0 125>;
+ dmas = <&dma0 8>, <&dma0 9>;
+ dma-names = "tx", "rx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ nand@0 {
+ reg = <0>;
+ nand-ecc-mode = "hw";
+ };
+ };
+
+...