在 2017-09-02 00:30，Philipp Rossak 写道：
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;
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 = <®_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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