Re: [PATCH v2 1/2] ARM: dts: sun8i: h3: Enable AP6212 WiFi on mmc1 on Nanopi M1 Plus

From: Maxime Ripard
Date: Mon Sep 04 2017 - 04:03:17 EST


Hi Philipp,

On Fri, Sep 01, 2017 at 06:30:00PM +0200, Philipp Rossak wrote:
> From: Philipp Rossak <embed3d@xxxxxxxxx>
>
> The WiFi side of the AP6212 WiFi/BT combo module is connected to
> mmc1. There are also GPIOs for enable and interrupts.
>
> Enable WiFi on this board by enabling mmc1 and adding the power
> sequencing clocks and GPIO, as well as the chip's interrupt line.
>
> Signed-off-by: Philipp Rossak <embed3d@xxxxxxxxx>
> ---
> arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts
> index 6256f55..7d18c35 100644
> --- a/arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts
> +++ b/arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts
> @@ -48,6 +48,13 @@
>
> aliases {
> serial1 = &uart3;
> + ethernet1 = &sdio_wifi;
> + };
> +
> + wifi_pwrseq: wifi_pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + pinctrl-names = "default";
> + reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
> };
> };
>
> @@ -65,6 +72,24 @@
> status = "okay";
> };
>
> +&mmc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&mmc1_pins_a>;
> + vmmc-supply = <&reg_vcc3v3>;

I know I told you you weren't needing vqmmc, but Chen-Yu later told me
that I was wrong about this.

I've added vqmmc back, and applied your patch.

Thanks!
Maxime

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

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