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92 lines
2.4 KiB
Diff
92 lines
2.4 KiB
Diff
From 3e7fc7d394db0783996519f2d5affde5152a628e Mon Sep 17 00:00:00 2001
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From: Chen-Yu Tsai <wens@csie.org>
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Date: Thu, 26 Dec 2013 17:14:33 +0800
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Subject: [PATCH] ARM: dts: sun7i: add WiFi module to Cubietruck DTS
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The CubieTruck has an AMPAK AP6210 WiFi+Bluetooth module. The WiFi
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part is a BCM43362 IC connected to MMC2 in the A20 SoC via SDIO.
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The IC also takes a 32.768 KHz low power clock input, and a power
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enable signal via GPIO.
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The WiFi module supports out-of-band interrupt signaling via GPIO,
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but this is not supported in this patch.
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---
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arch/arm/boot/dts/sun7i-a20-cubietruck.dts | 47 ++++++++++++++++++++++++++++++
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1 file changed, 47 insertions(+)
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--- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
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+++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
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@@ -28,6 +28,23 @@
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status = "okay";
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};
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+ mmc3: mmc@01c12000 {
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+ pinctrl-names = "default", "default";
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+ pinctrl-0 = <&mmc3_pins_a>;
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+ pinctrl-1 = <&wifi_host_wake_pin>;
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+ vmmc-supply = <®_vmmc3>;
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+ non-removable;
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+ status = "okay";
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+
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+ brcmf: bcrmf@0 {
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+ /* out of band interrupt not working */
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+ /* compatible = "broadcom,bcm43362"; */
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+ interrupt-parent = <&pio>;
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+ interrupts = <10 2>; /* EINT10 */
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+ status = "okay";
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+ };
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+ };
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+
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usbphy: phy@01c13400 {
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usb1_vbus-supply = <®_usb1_vbus>;
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usb2_vbus-supply = <®_usb2_vbus>;
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@@ -56,6 +73,18 @@
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};
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pinctrl@01c20800 {
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+ mmc3_pins_a: mmc3@0 {
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+ /* AP6210 requires pull-up */
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+ allwinner,pull = <1>;
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+ };
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+
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+ vmmc3_pin_cubietruck: vmmc3_pin@0 {
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+ allwinner,pins = "PH9";
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+ allwinner,function = "gpio_out";
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+ allwinner,drive = <0>;
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+ allwinner,pull = <0>;
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+ };
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+
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ahci_pwr_pin_cubietruck: ahci_pwr_pin@1 {
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allwinner,pins = "PH12";
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allwinner,function = "gpio_out";
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@@ -99,6 +128,13 @@
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/include/ "x-powers-axp209.dtsi"
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};
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+
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+ wifi_host_wake_pin: wifi_host_wake_pin@0 {
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+ allwinner,pins = "PH10";
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+ allwinner,function = "gpio_in";
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+ allwinner,drive = <0>;
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+ allwinner,pull = <0>;
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+ };
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};
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i2c0: i2c@01c2ac00 {
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@@ -189,4 +225,15 @@
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reg_usb2_vbus: usb2-vbus {
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status = "okay";
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};
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+
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+ reg_vmmc3: vmmc3 {
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+ compatible = "regulator-fixed";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&vmmc3_pin_cubietruck>;
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+ regulator-name = "vmmc3";
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+ regulator-min-microvolt = <3300000>;
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+ regulator-max-microvolt = <3300000>;
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+ enable-active-high;
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+ gpio = <&pio 7 9 0>;
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+ };
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};
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