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Diffstat (limited to 'arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts')
-rw-r--r--arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts
index 6d06e24d446b..c9213caf7424 100644
--- a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts
+++ b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts
@@ -47,4 +47,46 @@
/ {
model = "Polaroid MID2809PXE04 tablet";
compatible = "polaroid,mid2809pxe04", "allwinner,sun8i-a23";
+
+ aliases {
+ ethernet0 = &esp8089;
+ };
+
+ wifi_pwrseq: wifi_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_pwrseq_pin_mid2809>;
+ reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL6 */
+ /* The esp8089 needs 200 ms after driving wifi-en high */
+ post-power-on-delay-ms = <200>;
+ };
+};
+
+&mmc1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc1_pins_a>;
+ vmmc-supply = <&reg_dldo1>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+
+ esp8089: sdio_wifi@1 {
+ compatible = "esp,esp8089";
+ reg = <1>;
+ esp,crystal-26M-en = <2>;
+ };
+};
+
+&mmc1_pins_a {
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+};
+
+&r_pio {
+ wifi_pwrseq_pin_mid2809: wifi_pwrseq_pin@0 {
+ allwinner,pins = "PL6";
+ allwinner,function = "gpio_out";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
};