From: peter.chen@freescale.com (Peter Chen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/1] ARM: dts: imx28-evk: Add pinctrl for USB OTG ID pin
Date: Fri, 23 Aug 2013 13:56:30 +0800 [thread overview]
Message-ID: <1377237390-15983-1-git-send-email-peter.chen@freescale.com> (raw)
After that, the dual-role switch can be used at imx28-evk.
Due to hardware limitations, it needs to switch VDD 5V
SOURCE SELECT to "USB 5V" if the user wants to use OTG
dual-role switch function. it needs to switch VDD 5V
SOURCE SELECT to "WALL 5V" if the user wants to Host 1.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
---
arch/arm/boot/dts/imx28-evk.dts | 2 ++
arch/arm/boot/dts/imx28.dtsi | 11 +++++++++++
2 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index 15715d9..fa48bd5 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -243,6 +243,8 @@
ahb at 80080000 {
usb0: usb at 80080000 {
vbus-supply = <®_usb0_vbus>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_pins_a>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 7363fde..54bd17c 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -731,6 +731,17 @@
fsl,pull-up = <0>;
};
+ usb0_pins_a: usb0 at 0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x3071 /* MX28_PAD_AUART1_RTS__USB0_ID */
+ >;
+ fsl,drive-strength = <2>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <1>;
+ };
+
+
usbphy1_pins_a: usbphy1 at 0 {
reg = <0>;
fsl,pinmux-ids = <
--
1.7.1
next reply other threads:[~2013-08-23 5:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-23 5:56 Peter Chen [this message]
2013-08-23 10:41 ` [PATCH 1/1] ARM: dts: imx28-evk: Add pinctrl for USB OTG ID pin Marek Vasut
2013-08-23 13:01 ` Fabio Estevam
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