Re: [PATCH 1/3] dt-bindings: Add optional nvmem MAC address bindings to ti,wlink-st

From: Marcel Holtmann
Date: Mon Dec 04 2017 - 01:50:39 EST


Hi David,

> This adds optional nvmem consumer properties to the ti,wlink-st device tree
> bindings to allow specifying the Bluetooth MAC address.
>
> Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/net/ti,wilink-st.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/ti,wilink-st.txt b/Documentation/devicetree/bindings/net/ti,wilink-st.txt
> index 1649c1f..24eb897 100644
> --- a/Documentation/devicetree/bindings/net/ti,wilink-st.txt
> +++ b/Documentation/devicetree/bindings/net/ti,wilink-st.txt
> @@ -32,6 +32,8 @@ Optional properties:
> See ../clocks/clock-bindings.txt for details.
> - clock-names : Must include the following entry:
> "ext_clock" (External clock provided to the TI combo chip).
> + - nvmem-cells: phandle to nvmem data cell that contains a MAC address
> + - nvmem-cell-names: "mac-address" (required when nvmem-cells is specified)

lets call these âbt-addressâ since they are not really MAC addresses. They have special formatting etc. Also I prefer that the actual format on how they are stored is described. See Documentation/devicetree/bindings/net/bluetooth.txt for an example.

> Example:
>
> @@ -43,5 +45,7 @@ Example:
> enable-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
> clocks = <&clk32k_wl18xx>;
> clock-names = "ext_clock";
> + nvmem-cells: <&mac_address>
> + nvmem-cell-names "mac-address"
> };
> };

Regards

Marcel