diff --git a/arch/arm/boot/dts/zero-gravitas.dts b/arch/arm/boot/dts/zero-gravitas.dts
index 26dec4d97e29..3e02bf77a7ff 100644
--- a/arch/arm/boot/dts/zero-gravitas.dts
+++ b/arch/arm/boot/dts/zero-gravitas.dts
@@ -754,10 +754,8 @@
 &usdhc3 {
 	#address-cells = <1>;
 	#size-cells = <0>;
-	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc3>;
-	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
-	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
 	mmc-pwrseq = <&wifi_pwrseq>;
 	bus-width = <4>;
 	enable-sdio-wakeup;
@@ -767,6 +765,7 @@
 	wifi-host;
 	keep-power-in-suspend;
 	status = "okay";
+	max-frequency = <50000000>;
 
 	brcmf: bcrmf@1 {
 		reg = <1>;
@@ -774,6 +773,7 @@
 		interrupt-parent = <&gpio4>;
 		interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
 		interrupt-names = "host-wake";
+		broken-hpi;
 		/*resets = <&wifi_reset>;*/
 	};
 };