Re: [PATCH 1/2] dt-bindings: ufs: ti,j721e-ufs.yaml: Add binding for TI UFS wrapper

From: Rob Herring
Date: Tue Oct 01 2019 - 08:08:31 EST


On Wed, Sep 18, 2019 at 07:09:20PM +0530, Vignesh Raghavendra wrote:
> Add binding documentation of TI wrapper for Cadence UFS Controller.
>
> Signed-off-by: Vignesh Raghavendra <vigneshr@xxxxxx>
> ---
> .../devicetree/bindings/ufs/ti,j721e-ufs.yaml | 45 +++++++++++++++++++
> 1 file changed, 45 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
>
> diff --git a/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml b/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
> new file mode 100644
> index 000000000000..dabd7c795fbe
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
> @@ -0,0 +1,45 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/ufs/ti,j721e-ufs.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TI J721e UFS Host Controller Glue Driver
> +
> +maintainers:
> + - Vignesh Raghavendra <vigneshr@xxxxxx>
> +
> +properties:
> + compatible:
> + items:
> + - const: ti,j721e-ufs
> +
> + reg:
> + maxItems: 1
> + description: address of TI UFS glue registers
> +
> + clocks:
> + maxItems: 1
> + description: phandle to the M-PHY clock
> +
> + power-domains:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - power-domains
> +
> +examples:
> + - |
> + ufs_wrapper: ufs-wrapper@4e80000 {
> + compatible = "ti,j721e-ufs";
> + reg = <0x0 0x4e80000 0x0 0x100>;
> + power-domains = <&k3_pds 277>;
> + clocks = <&k3_clks 277 1>;
> + assigned-clocks = <&k3_clks 277 1>;
> + assigned-clock-parents = <&k3_clks 277 4>;
> + #address-cells = <2>;
> + #size-cells = <2>;

Based on the driver you expect to have a child node here with the UFS
controller? You need to show that and have a schema for it.

> + };
> --
> 2.23.0
>