[RFC PATCH v1 01/10] dt-bindings: mtd: add rockchip nand controller bindings
From: Johan Jonker
Date: Wed Jan 08 2020 - 15:53:51 EST
Add the Rockchip NAND controller bindings.
Signed-off-by: Johan Jonker <jbx6244@xxxxxxxxx>
---
.../devicetree/bindings/mtd/rockchip,nandc.yaml | 78 ++++++++++++++++++++++
1 file changed, 78 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mtd/rockchip,nandc.yaml
diff --git a/Documentation/devicetree/bindings/mtd/rockchip,nandc.yaml b/Documentation/devicetree/bindings/mtd/rockchip,nandc.yaml
new file mode 100644
index 000000000..573d1a580
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/rockchip,nandc.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/rockchip,nandc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip NAND Controller Device Tree Bindings
+
+allOf:
+ - $ref: "nand-controller.yaml"
+
+maintainers:
+ - Heiko Stuebner <heiko@xxxxxxxxx>
+
+properties:
+ compatible:
+ enum:
+ - rockchip,nandc-v6
+ - rockchip,nandc-v9
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+
+ clock-names:
+ oneOf:
+ - items:
+ - const: hclk_nandc
+ - items:
+ - const: clk_nandc
+ - const: hclk_nandc
+
+patternProperties:
+ "^nand@[a-f0-9]+$":
+ type: object
+ properties:
+ reg:
+ minimum: 0
+ maximum: 3
+
+ nand-is-boot-medium: true
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3188-cru-common.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ nandc: nand-controller@10500000 {
+ compatible = "rockchip,nandc-v6";
+ reg = <0x10500000 0x4000>;
+ interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru HCLK_NANDC0>;
+ clock-names = "hclk_nandc";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ nand@0 {
+ reg = <0>;
+ nand-is-boot-medium;
+ };
+ };
+
+...
--
2.11.0