Re: [PATCH v5 1/2] dt-bindings: mtd: Add YAML for Nand Flash Controller support

Rob Herring
2020-05-11T18:27:59Z

On Thu, May 07, 2020 at 08:15:36AM +0800, Ramuthevar,Vadivel MuruganX wrote:
> From: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
>
> Add YAML file for dt-bindings to support NAND Flash Controller
> on Intel's Lightning Mountain SoC.

The $subject should some how reflect this is for this SoC.

>
> Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
> ---
> .../devicetree/bindings/mtd/intel,lgm-nand.yaml | 85 ++++++++++++++++++++++
> 1 file changed, 85 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
>
> 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..69b592ae62f4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
> @@ -0,0 +1,85 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%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:
> + - $ref: "nand-controller.yaml"
> +
> +maintainers:
> + - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
> +
> +properties:
> + compatible:
> + const: intel,lgm-nand-controller
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
> +
> + dmas:
> + maxItems: 2
> +
> + dma-names:
> + enum:
> + - rx
> + - tx
> +
> + pinctrl-names: true
> +
> +patternProperties:
> + "^pinctrl-[0-9]+$": true

Don't need the pinctrl properties. The tooling adds them.

> +
> + "^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
> + - clocks
> + - clock-names
> + - dmas
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/intel,lgm-clk.h>

Is this applied somewhere? It's missing in my check and will break the
build.

> + nand-controller@e0f00000 {
> + compatible = "intel,nand-controller";
> + reg = <0xe0f00000 0x100>,
> + <0xe1000000 0x300>,
> + <0xe1400000 0x8000>,
> + <0xe1c00000 0x1000>;
> + reg-names = "ebunand", "hsnand", "nand_cs0", "nand_cs1";
> + clocks = <&cgu0 LGM_GCLK_EBU>;
> + dma-names = "tx", "rx";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + #clock-cells = <1>;
> +
> + nand@0 {
> + reg = <0>;
> + nand-on-flash-bbt;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + };
> + };
> +
> +...
> --
> 2.11.0