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SubjectRe: [PATCH v2 1/2] ARM: dts: sun8i: h3: Enable AP6212 WiFi on mmc1 on Nanopi M1 Plus
在 2017-09-02 00:30,Philipp Rossak 写道:
> From: Philipp Rossak <embed3d@gmail.com>
>
> 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@gmail.com>
> ---
> 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;

When the Wi-Fi module itself has fixed MAC address, there's
no need for such an alias.

> + };
> +
> + 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>;
> + mmc-pwrseq = <&wifi_pwrseq>;
> + bus-width = <4>;
> + non-removable;
> + status = "okay";
> +
> + sdio_wifi: sdio_wifi@1 {
> + reg = <1>;
> + compatible = "brcm,bcm4329-fmac";
> + interrupt-parent = <&pio>;
> + interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
> + interrupt-names = "host-wake";
> + };
> +};
> +
> &ohci1 {
> status = "okay";
> };

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