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Diffstat (limited to 'arch/arm/boot/dts/sun8i-q8-common.dtsi')
-rw-r--r--arch/arm/boot/dts/sun8i-q8-common.dtsi49
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun8i-q8-common.dtsi b/arch/arm/boot/dts/sun8i-q8-common.dtsi
index 60fa9585022b..29f837a47771 100644
--- a/arch/arm/boot/dts/sun8i-q8-common.dtsi
+++ b/arch/arm/boot/dts/sun8i-q8-common.dtsi
@@ -42,10 +42,59 @@
#include "sunxi-reference-design-tablet.dtsi"
#include "sun8i-reference-design-tablet.dtsi"
+/ {
+ aliases {
+ serial0 = &r_uart;
+ /* Make u-boot set mac-address for wifi without an eeprom */
+ ethernet0 = &sdio_wifi;
+ };
+
+ wifi_pwrseq: wifi_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ /*
+ * Q8 boards use various PL# pins as wifi-en. On other boards
+ * these may be connected to a wifi module output pin. To avoid
+ * short-circuits we configure these as inputs with pull-ups via
+ * pinctrl, instead of listing them as active-low reset-gpios.
+ */
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_pwrseq_pin_q8>;
+ /* The esp8089 needs 200 ms after driving wifi-en high */
+ post-power-on-delay-ms = <200>;
+ };
+};
+
&ehci0 {
status = "okay";
};
+&mmc1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc1_pins_a>;
+ vmmc-supply = <&reg_dldo1>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+
+ sdio_wifi: sdio_wifi@1 {
+ reg = <1>;
+ };
+};
+
+&mmc1_pins_a {
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+};
+
+&r_pio {
+ wifi_pwrseq_pin_q8: wifi_pwrseq_pin@0 {
+ allwinner,pins = "PL6", "PL7", "PL11";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+ };
+};
+
&usbphy {
usb1_vbus-supply = <&reg_dldo1>;
};