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[2/3] ARM: dts: sun8i: Add dt node for esp8089 wifi chip on polaroid-mid2809

Message ID 20160826145236.30210-3-hdegoede@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Hans de Goede Aug. 26, 2016, 2:52 p.m. UTC 
The polaroid-mid2809 tablet has an esp8089 wifi chip,
add a dt node describing it.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 .../boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts   | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)

Comments

Maxime Ripard Aug. 26, 2016, 10:36 p.m. UTC | #1 
On Fri, Aug 26, 2016 at 04:52:35PM +0200, Hans de Goede wrote:
> The polaroid-mid2809 tablet has an esp8089 wifi chip,
> add a dt node describing it.
> 
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>

Applied, Thanks!
Maxime
diff mbox

Patch

diff --git a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts
index 6d06e24..c9213ca 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>;
+	};
 };