Re: [PATCH v7 02/10] arm: dts: sunxi: Restore EMAC changes

From: Andrew Lunn
Date: Wed Oct 18 2017 - 12:45:18 EST


On Wed, Oct 18, 2017 at 01:44:50PM +0200, Corentin Labbe wrote:
> The original dwmac-sun8i DT bindings have some issue on how to handle
> integrated PHY and was reverted in last RC of 4.13.
> But now we have a solution so we need to get back that was reverted.
>
> This patch restore arm DT about dwmac-sun8i
> This reverts commit fe45174b72ae ("arm: dts: sunxi: Revert EMAC changes")
>
> Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
> ---
> arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts | 9 ++++++++
> arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts | 19 +++++++++++++++++
> arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts | 19 +++++++++++++++++
> arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts | 7 ++++++
> arch/arm/boot/dts/sun8i-h3-orangepi-2.dts | 8 +++++++
> arch/arm/boot/dts/sun8i-h3-orangepi-one.dts | 8 +++++++
> arch/arm/boot/dts/sun8i-h3-orangepi-pc-plus.dts | 5 +++++
> arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts | 8 +++++++
> arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts | 22 +++++++++++++++++++
> arch/arm/boot/dts/sun8i-h3-orangepi-plus2e.dts | 16 ++++++++++++++
> arch/arm/boot/dts/sunxi-h3-h5.dtsi | 26 +++++++++++++++++++++++
> 11 files changed, 147 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
> index b1502df7b509..6713d0f2b3f4 100644
> --- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
> +++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
> @@ -56,6 +56,8 @@
>
> aliases {
> serial0 = &uart0;
> + /* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
> + ethernet0 = &emac;
> ethernet1 = &xr819;
> };
>
> @@ -102,6 +104,13 @@
> status = "okay";
> };
>
> +&emac {
> + phy-handle = <&int_mii_phy>;
> + phy-mode = "mii";
> + allwinner,leds-active-low;
> + status = "okay";
> +};
> +
> &mmc0 {
> pinctrl-names = "default";
> pinctrl-0 = <&mmc0_pins_a>;
> diff --git a/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts b/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
> index e1dba9ffa94b..f2292deaa590 100644
> --- a/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
> +++ b/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
> @@ -52,6 +52,7 @@
> compatible = "sinovoip,bpi-m2-plus", "allwinner,sun8i-h3";
>
> aliases {
> + ethernet0 = &emac;
> serial0 = &uart0;
> serial1 = &uart1;
> };
> @@ -111,6 +112,24 @@
> status = "okay";
> };
>
> +&emac {
> + pinctrl-names = "default";
> + pinctrl-0 = <&emac_rgmii_pins>;
> + phy-supply = <&reg_gmac_3v3>;
> + phy-handle = <&ext_rgmii_phy>;
> + phy-mode = "rgmii";
> +
> + allwinner,leds-active-low;
> + status = "okay";
> +};
> +


> +&external_mdio {
> + ext_rgmii_phy: ethernet-phy@1 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> + };
> +};
> +

Hi Corentin

I'm wondering about the order of the patches. Does the external_mdio
node actually exist at this point? Or only later when other patches
are applied?

Andrew