Re: [PATCH v3 5/9] ARM: dts: sun8i-h3: add sun8i-emac ethernet driver

From: Maxime Ripard
Date: Mon Sep 12 2016 - 03:29:41 EST


On Fri, Sep 09, 2016 at 02:45:13PM +0200, Corentin Labbe wrote:
> The sun8i-emac is an ethernet MAC hardware that support 10/100/1000
> speed.
>
> This patch enable the sun8i-emac on the Allwinner H3 SoC Device-tree.
> The SoC H3 have an internal PHY, so optionals syscon and ephy are set.
>
> Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
> ---
> arch/arm/boot/dts/sun8i-h3.dtsi | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
> index a39da6f..a3ac476 100644
> --- a/arch/arm/boot/dts/sun8i-h3.dtsi
> +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
> @@ -50,6 +50,10 @@
> / {
> interrupt-parent = <&gic>;
>
> + aliases {
> + ethernet0 = &emac;
> + };
> +

This needs to be done at the board level.

> cpus {
> #address-cells = <1>;
> #size-cells = <0>;
> @@ -446,6 +450,21 @@
> status = "disabled";
> };
>
> + emac: ethernet@1c30000 {
> + compatible = "allwinner,sun8i-h3-emac";
> + syscon = <&syscon>;
> + reg = <0x01c30000 0x104>;
> + reg-names = "emac";

You don't need reg-names anymore.

> + interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
> + resets = <&ccu RST_BUS_EMAC>, <&ccu RST_BUS_EPHY>;
> + reset-names = "ahb", "ephy";
> + clocks = <&ccu CLK_BUS_EMAC>, <&ccu CLK_BUS_EPHY>;
> + clock-names = "ahb", "ephy";

I still believe that having the same node for both the PHY and the MAC
is wrong.

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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