Re: [PATCH v2 2/6] ARM: davinci: da850: add DT node for mdio device

From: Sekhar Nori
Date: Sun Feb 03 2013 - 06:54:09 EST


On 1/28/2013 7:17 PM, Prabhakar Lad wrote:
> From: Lad, Prabhakar <prabhakar.lad@xxxxxx>
>
> Add mdio device tree node information to da850 by
> providing register details and bus frequency of mdio.
>
> Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: davinci-linux-open-source@xxxxxxxxxxxxxxxxxxxx
> Cc: netdev@xxxxxxxxxxxxxxx
> Cc: devicetree-discuss@xxxxxxxxxxxxxxxx
> Cc: Sekhar Nori <nsekhar@xxxxxx>
> Cc: Heiko Schocher <hs@xxxxxxx>
> ---
> arch/arm/boot/dts/da850-evm.dts | 3 +++
> arch/arm/boot/dts/da850.dtsi | 7 +++++++
> 2 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
> index 98c1a48..a319491 100644
> --- a/arch/arm/boot/dts/da850-evm.dts
> +++ b/arch/arm/boot/dts/da850-evm.dts
> @@ -27,6 +27,9 @@
> serial2: serial@1d0d000 {
> status = "okay";
> };
> + mdio: davinci_mdio@1e24000 {

This should just be:

mdio: mdio@1e24000

inline with how we avoid adding davinci prefix to each node name.

> + status = "okay";
> + };
> };
> nand_cs3@62000000 {
> status = "okay";
> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
> index 7c84822..ba28f2d 100644
> --- a/arch/arm/boot/dts/da850.dtsi
> +++ b/arch/arm/boot/dts/da850.dtsi
> @@ -81,6 +81,13 @@
> interrupts = <61>;
> status = "disabled";
> };
> + mdio: davinci_mdio@1e24000 {
> + compatible = "ti,davinci_mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x224000 0x1000>;
> + bus_freq = <2200000>;

The bus frequency is board specific and it is better this is defined in
da850-evm.dts

Thanks,
Sekhar
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