[RFC,v1,01/10] dt-bindings: mtd: add rockchip nand controller bindings
diff mbox series

Message ID 20200108205338.11369-2-jbx6244@gmail.com
State New
Headers show
Series
  • Enable RK3066 NANDC for MK808
Related show

Commit Message

Johan Jonker Jan. 8, 2020, 8:53 p.m. UTC
Add the Rockchip NAND controller bindings.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
---
 .../devicetree/bindings/mtd/rockchip,nandc.yaml    | 78 ++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/rockchip,nandc.yaml

Comments

Rob Herring Jan. 15, 2020, 1:57 a.m. UTC | #1
On Wed, Jan 08, 2020 at 09:53:29PM +0100, Johan Jonker wrote:
> Add the Rockchip NAND controller bindings.
> 
> Signed-off-by: Johan Jonker <jbx6244@gmail.com>
> ---
>  .../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

Dual license new bindings:

(GPL-2.0-only OR BSD-2-Clause)

> +%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"

Should end with a '#'.

> +
> +maintainers:
> +  - Heiko Stuebner <heiko@sntech.de>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - rockchip,nandc-v6
> +      - rockchip,nandc-v9

Use SoC specific compatibles, not version numbers.

> +
> +  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

Can't you put hclk_nandc first so it's always index 0.

> +
> +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
>

Patch
diff mbox series

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:
+  - $ref: "nand-controller.yaml"
+
+maintainers:
+  - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+  compatible:
+    enum:
+      - rockchip,nandc-v6
+      - rockchip,nandc-v9
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 2
+
+  clock-names:
+    oneOf:
+      - items:
+        - const: hclk_nandc
+      - items:
+        - const: clk_nandc
+        - const: hclk_nandc
+
+patternProperties:
+  "^nand@[a-f0-9]+$":
+    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;
+      };
+    };
+
+...