Re: [PATCH v3 1/2] dt-bindings: phy: intel-emmc-phy: Add YAML schema for LGM eMMC PHY
From: Rob Herring
Date: Wed Aug 21 2019 - 09:36:09 EST
On Wed, Aug 21, 2019 at 5:11 AM Ramuthevar,Vadivel MuruganX
<vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx> wrote:
>
> From: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx>
>
> Add a YAML schema to use the host controller driver with the
> eMMC PHY on Intel's Lightning Mountain SoC.
>
> Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx>
> ---
> changes in v3:
> - resolve 'make dt_binding_check' warnings
>
> changes in v2:
> As per Rob Herring review comments, the following updates
> - change GPL-2.0 -> (GPL-2.0-only OR BSD-2-Clause)
> - filename is the compatible string plus .yaml
> - LGM: Lightning Mountain
> - update maintainer
> - add intel,syscon under property list
> - keep one example instead of two
> ---
> .../bindings/phy/intel,lgm-emmc-phy.yaml | 59 ++++++++++++++++++++++
> 1 file changed, 59 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
>
> diff --git a/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml b/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
> new file mode 100644
> index 000000000000..9342e33d8b02
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/intel,lgm-emmc-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Intel Lightning Mountain(LGM) eMMC PHY Device Tree Bindings
> +
> +maintainers:
> + - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx>
> +
> +properties:
> + "#phy-cells":
> + const: 0
> +
> + compatible:
> + const: intel,lgm-emmc-phy
> +
> + reg:
> + maxItems: 1
> +
> + syscon:
intel,syscon like the example. You must have used 5.2 as on 5.3-rc the
example will fail validation.
> + items:
Drop items as there is only 1.
> + $ref: "/schemas/types.yaml#definitions/phandle"
> +
> + clocks:
> + items:
> + - description: e-MMC phy module clock
> +
> + clock-names:
> + items:
> + - const: emmcclk
> +
> + resets:
> + maxItems: 1
> +
> +required:
> + - "#phy-cells"
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - resets
> + - ref
Not documented.
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + emmc_phy: emmc_phy {
> + compatible = "intel,lgm-emmc-phy";
> + reg = <0xe0020000 0x100>;
> + intel,syscon = <&sysconf>;
> + clocks = <&emmc>;
> + clock-names = "emmcclk";
> + #phy-cells = <0>;
> + };
> +
> +...
> --
> 2.11.0
>