[PATCH v3 1/2] arm64: dts: allwinner: a64: Add WiFi/BT header on Pine64

Peter Robinson pbrobinson at gmail.com
Sat Apr 19 09:00:46 PDT 2025


This adds all the pin mappings on the WiFi/BT header on
the original Pine64. They're disabled by default as the
modules don't ship by default. This includes, where they
haven't been already, UART1 for BT and mmc1 for WiFi.

Signed-off-by: Peter Robinson <pbrobinson at gmail.com>
---
 .../boot/dts/allwinner/sun50i-a64-pine64.dts   | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
index 09e71fd60785..764fb191107a 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
@@ -35,6 +35,11 @@ hdmi_con_in: endpoint {
 			};
 		};
 	};
+
+	wifi_pwrseq: pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
+	};
 };
 
 &codec {
@@ -124,6 +129,18 @@ &mmc0 {
 	status = "okay";
 };
 
+/* On Wifi/BT connector */
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins>;
+	vmmc-supply = <&reg_dldo4>;
+	vqmmc-supply = <&reg_eldo1>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "disabled";
+};
+
 &ohci0 {
 	status = "okay";
 };
@@ -286,6 +303,7 @@ &uart0 {
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+	uart-has-rtscts;
 	status = "disabled";
 };
 
-- 
2.49.0




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