[PATCH 1/7] dt-bindings: phy: samsung,usb3-drd-phy: add gs101 compatible
Rob Herring
robh at kernel.org
Wed Apr 24 12:43:31 PDT 2024
On Tue, Apr 23, 2024 at 06:06:03PM +0100, André Draszik wrote:
> Add a dedicated google,gs101-usb31drd-phy compatible for Google Tensor
> gs101 SoC.
>
> It needs additional clocks enabled for register access, and additional
> memory regions (PCS & PMA) are required for successful configuration.
>
> Signed-off-by: André Draszik <andre.draszik at linaro.org>
> ---
> .../bindings/phy/samsung,usb3-drd-phy.yaml | 78 +++++++++++++++++-----
> 1 file changed, 61 insertions(+), 17 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml
> index 452e584d9812..db1dc4c60b72 100644
> --- a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml
> @@ -25,6 +25,7 @@ description: |
> properties:
> compatible:
> enum:
> + - google,gs101-usb31drd-phy
> - samsung,exynos5250-usbdrd-phy
> - samsung,exynos5420-usbdrd-phy
> - samsung,exynos5433-usbdrd-phy
> @@ -57,7 +58,18 @@ properties:
> the OF graph bindings specified.
>
> reg:
> - maxItems: 1
> + minItems: 1
> + items:
> + - description: PHY register base address.
> + - description: PCS register base address.
> + - description: PMA register base address.
> +
> + reg-names:
> + minItems: 1
> + items:
> + - const: phy
> + - const: pcs
> + - const: pma
>
> samsung,pmu-syscon:
> $ref: /schemas/types.yaml#/definitions/phandle
> @@ -85,30 +97,62 @@ allOf:
> properties:
> compatible:
> contains:
> - enum:
> - - samsung,exynos5433-usbdrd-phy
> - - samsung,exynos7-usbdrd-phy
> + const: google,gs101-usb31drd-phy
> then:
> properties:
> clocks:
> - minItems: 5
> - maxItems: 5
> - clock-names:
> items:
> - - const: phy
> - - const: ref
> - - const: phy_utmi
> - - const: phy_pipe
> - - const: itp
> - else:
> - properties:
> - clocks:
> - minItems: 2
> - maxItems: 2
> + - description: Gate of main PHY clock
> + - description: Gate of PHY reference clock
> + - description: Gate of control interface AXI clock
> + - description: Gate of control interface APB clock
> + - description: Gate of SCL APB clock
> clock-names:
> items:
> - const: phy
> - const: ref
> + - const: ctrl_aclk
> + - const: ctrl_pclk
> + - const: scl_pclk
> + reg:
> + minItems: 3
> + reg-names:
> + minItems: 3
> + required:
> + - reg-names
> + else:
> + if:
We generally try to avoid having nested else/if like this. Please change
the existing 'else' to an 'if' and then add an 'if' for your new
compatible.
Rob
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