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Commit 1e03325a authored by Hans de Goede's avatar Hans de Goede Committed by Maxime Ripard
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ARM: dts: sun8i: Add dt node for esp8089 wifi chip on polaroid-mid2407 



The polaroid-mid2407 tablet has an esp8089 wifi chip,
add a dt node describing it.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent d7b843df

arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts

+42 −0
Original line number Diff line number Diff line
@@ -47,4 +47,46 @@ 
/ {

	model = "Polaroid MID2407PXE03 tablet";

	compatible = "polaroid,mid2407pxe03", "allwinner,sun8i-a23";



	aliases {

		ethernet0 = &esp8089;

	};



	wifi_pwrseq: wifi_pwrseq {

		compatible = "mmc-pwrseq-simple";

		pinctrl-names = "default";

		pinctrl-0 = <&wifi_pwrseq_pin_mid2407>;

		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_mid2407: wifi_pwrseq_pin@0 {

		allwinner,pins = "PL6";

		allwinner,function = "gpio_out";

		allwinner,drive = <SUN4I_PINCTRL_10_MA>;

		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;

	};

};