Re: [PATCH v3 12/20] ARM: dts: sun8i: Enable dwmac-sun8i on the Orange Pi plus

Maxime Ripard
2017-04-03T11:37:21Z

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On Mon, Apr 03, 2017 at 11:14:36AM +0200, Corentin Labbe wrote:
> The dwmac-sun8i hardware is present on the Orange PI plus.
> It uses an external PHY rtl8211e via RGMII.
>
> This patch create the needed regulator, emac and phy nodes.
>
> Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> ---
> arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts | 36 ++++++++++++++++++++++++++++
> 1 file changed, 36 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
> index 8c40ab7..6852006 100644
> --- a/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
> +++ b/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
> @@ -58,6 +58,18 @@
> enable-active-high;
> gpio = <&pio 6 11 GPIO_ACTIVE_HIGH>;
> };
> +
> + reg_gmac_3v3: gmac-3v3 {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + pinctrl-0 = <&gmac_power_pin_orangepi>;
> + regulator-name = "gmac-3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + startup-delay-us = <100000>;
> + enable-active-high;
> + gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>;
> + };
> };
>
> &ehci3 {
> @@ -86,8 +98,32 @@
> pins = "PG11";
> function = "gpio_out";
> };
> +
> + gmac_power_pin_orangepi: gmac_power_pin@0 {
> + pins = "PD6";
> + function = "gpio_out";
> + drive-strength = <10>;
> + };

This is not needed, and will even harm the fixing of a bug that will
require to remove all the GPIO nodes. It works fine without it, please
remove it.

Thanks!
Maxime

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

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