Re: [PATCH 1/5 v7] dt/bindings: Add binding for the DA8xx MUSB driver

[Felipe Balbi <balbi-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

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Hi,

Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org> writes:
> DT binding for the TI DA8xx/OMAP-L1x/AM17xx/AM18xx MUSB driver.
>
> Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>

Bin, another one to take a look.

> ---
> v1: <initial>
>
> v2:
>  - using standard properties "dr_mode", "mentor,power", "mentor,num-eps", "mentor,multipoint", "mentor,ram-bits"
>  - using "ti," prefix instead of "da8xx," for specific property names
>  - no wildcards in compatibility string
>
> v3:
>  - added "reg", "interrupts" and "interrupt-names" properties
>  - wildcards in compatibility string
>
> v4:
>  - compatibility string set to "ti,da830-musb"
>  - "mentor,num-eps", "mentor,multipoint", "mentor,ram-bits" properties removed and hardcoded
>  - "ti,phy20-clkmux-cfg" renamed to "ti,phy20-clkmux-pll" and changed to boolean
>  - removed "ti,hwmods"
>
> v5:
>  - "ti,phy20-refclock-frequency" property made mandatory
>
> v6:
>  - using "ti,usb2-phy-" prefix instead of "ti,phy20-" for the specific properties
>
> v7:
>  - removed the "mentor,power" property; hard coded to 500mA in the code
>
>  .../devicetree/bindings/usb/da8xx-usb.txt          | 43 ++++++++++++++++++++++
>  1 file changed, 43 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/da8xx-usb.txt
>
> diff --git a/Documentation/devicetree/bindings/usb/da8xx-usb.txt b/Documentation/devicetree/bindings/usb/da8xx-usb.txt
> new file mode 100644
> index 0000000..e281829
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/da8xx-usb.txt
> @@ -0,0 +1,43 @@
> +TI DA8xx MUSB
> +~~~~~~~~~~~~~
> +For DA8xx/OMAP-L1x/AM17xx/AM18xx platforms.
> +
> +Required properties:
> +~~~~~~~~~~~~~~~~~~~~
> + - compatible : Should be set to "ti,da830-musb".
> +
> + - reg: Offset and length of the USB controller register set.
> +
> + - interrupts: The USB interrupt number.
> +
> + - interrupt-names: Should be set to "mc".
> +
> + - dr_mode: The USB operation mode. Should be one of "host", "peripheral" or "otg".
> +
> + - ti,usb2-phy-refclock-frequency : Integer. Defines the USB 2.0 PHY reference clock input
> +     frequency in Hz in case the clock is generated by the internal PLL.
> +     Supported values are 12MHz, 13MHz, 19.2MHz, 20MHz, 24MHz, 26MHz, 38.4MHz, 40MHz, 48MHz
> +
> +
> +Optional properties:
> +~~~~~~~~~~~~~~~~~~~~
> + - ti,usb2-phy-clkmux-pll: Boolean. Defines the USB 2.0 PHY reference clock source.
> +     If present the internal PLL is used as a clock source, otherwise the external
> +     USB_REFCLKIN pin is used.
> +
> +Example:
> +
> +	usb20: usb@1e00000 {
> +		compatible = "ti,da830-musb";
> +		reg =   <0x00200000 0x10000>;
> +		interrupt-parent = <&intc>;
> +		interrupts = <58>;
> +		interrupt-names = "mc";
> +
> +		dr_mode = "host";
> +
> +		ti,usb2-phy-clkmux-pll;
> +		ti,usb2-phy-refclock-frequency = <24000000>;
> +
> +		status = "okay";
> +	};
> --
> 1.9.1
>
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-- 
balbi

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