diff options
Diffstat (limited to 'arch/arm/boot/dts/sun8i-q8-common.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/sun8i-q8-common.dtsi | 49 |
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 = <®_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 = <®_dldo1>; }; |