2015-08-09 18:23:15

by Olliver Schinagl

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Subject: [PATCH] ARM: dts: sunxi enable otg port on the sun7i-a20-olinuxino-lime2

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From: Olliver Schinagl <[email protected]>

This patch enables the recently introduced OTG support for the OLinuXino Lime2.
Tested with a keyboard and some USB mass-storage flash-drives and various
hotplug.

Signed-off-by: Olliver Schinagl <[email protected]>

Olliver Schinagl (1):
ARM: dts: sunxi: enable otg port on the sun7i-a20-olinuxino-lime2

arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts | 41 +++++++++++++++++++++++++
1 file changed, 41 insertions(+)

--
2.1.4

2015-08-09 18:23:20

by Olliver Schinagl

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Subject: [PATCH] ARM: dts: sunxi: enable otg port on the sun7i-a20-olinuxino-lime2

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From: Olliver Schinagl <[email protected]>

This patch enables the musb-otg USB controller on the Lime2. The Lime2
differs from the Lime1 series in pins used for usb0 power.

Tested on a OlinuXino Lime2-4GB.

Signed-off-by: Olliver Schinagl <[email protected]>
---
arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts | 41 +++++++++++++++++++++++++
1 file changed, 41 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
index 22cd052..a7239fc 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
@@ -196,6 +196,10 @@
status = "okay";
};

+&otg_sram {
+ status = "okay";
+};
+
&pio {
ahci_pwr_pin_olinuxinolime: ahci_pwr_pin@1 {
allwinner,pins = "PC3";
@@ -210,6 +214,27 @@
allwinner,drive = <SUN4I_PINCTRL_20_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
+
+ usb0_id_detect_pin: usb0_id_detect_pin@0 {
+ allwinner,pins = "PH4";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+ };
+
+ usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
+ allwinner,pins = "PH5";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
+ };
+
+ usb0_vbus_pin_lime2: usb0_vbus_pin@0 {
+ allwinner,pins = "PC17";
+ allwinner,function = "gpio_out";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
};

&reg_ahci_5v {
@@ -218,6 +243,12 @@
status = "okay";
};

+&reg_usb0_vbus {
+ pinctrl-0 = <&usb0_vbus_pin_lime2>;
+ gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+};
+
&reg_usb1_vbus {
status = "okay";
};
@@ -232,7 +263,17 @@
status = "okay";
};

+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
&usbphy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
+ usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
+ usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
+ usb0_vbus-supply = <&reg_usb0_vbus>;
usb1_vbus-supply = <&reg_usb1_vbus>;
usb2_vbus-supply = <&reg_usb2_vbus>;
status = "okay";
--
2.1.4

2015-08-16 16:22:25

by Maxime Ripard

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Subject: Re: [PATCH] ARM: dts: sunxi: enable otg port on the sun7i-a20-olinuxino-lime2

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On Sun, Aug 09, 2015 at 08:22:58PM +0200, Olliver Schinagl wrote:
> From: Olliver Schinagl <[email protected]>
>
> This patch enables the musb-otg USB controller on the Lime2. The Lime2
> differs from the Lime1 series in pins used for usb0 power.
>
> Tested on a OlinuXino Lime2-4GB.
>
> Signed-off-by: Olliver Schinagl <[email protected]>

Queued, thanks!

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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