Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965004AbcCOIpp (ORCPT ); Tue, 15 Mar 2016 04:45:45 -0400 Received: from mail-pf0-f173.google.com ([209.85.192.173]:35385 "EHLO mail-pf0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934504AbcCOIo3 (ORCPT ); Tue, 15 Mar 2016 04:44:29 -0400 From: Sanchayan Maity To: Peter.Chen@nxp.com Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stefan@agner.ch, ivan.ivanov@linaro.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, shawnguo@kernel.org, marcel@ziswiler.com, Sanchayan Maity Subject: [RFC PATCH 4/4] ARM: dts: vf-colibri: USB device/host switch using extcon gpio Date: Tue, 15 Mar 2016 14:08:30 +0530 Message-Id: X-Mailer: git-send-email 2.7.3 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1637 Lines: 66 Use USBC_DET feature of standard Colibri SODIMM pin 137 for USB device/host switching using the generic extcon USB gpio implementation. Signed-off-by: Sanchayan Maity --- arch/arm/boot/dts/vf-colibri-eval-v3.dtsi | 12 ++++++++++++ arch/arm/boot/dts/vf-colibri.dtsi | 7 +++++++ 2 files changed, 19 insertions(+) diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi index 4d8b7f6..794c02e 100644 --- a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi +++ b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi @@ -50,6 +50,14 @@ clock-frequency = <16000000>; }; + extcon_usbc_det: usbc_det { + compatible = "linux,extcon-usb-gpio"; + debounce = <25>; + id-gpio = <&gpio3 6 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbc_det>; + }; + reg_3v3: regulator-3v3 { compatible = "regulator-fixed"; regulator-name = "3.3V"; @@ -146,6 +154,10 @@ status = "okay"; }; +&usbdev0 { + extcon = <&extcon_usbc_det>, <&extcon_usbc_det>; +}; + &usbh1 { vbus-supply = <®_usbh_vbus>; }; diff --git a/arch/arm/boot/dts/vf-colibri.dtsi b/arch/arm/boot/dts/vf-colibri.dtsi index fda7f28..551b6a1 100644 --- a/arch/arm/boot/dts/vf-colibri.dtsi +++ b/arch/arm/boot/dts/vf-colibri.dtsi @@ -171,6 +171,7 @@ &usbdev0 { disable-over-current; + dr_mode = "otg"; status = "okay"; }; @@ -326,6 +327,12 @@ >; }; + pinctrl_usbc_det: gpio_usbc_det { + fsl,pins = < + VF610_PAD_PTC29__GPIO_102 0x22ed + >; + }; + pinctrl_usbh1_reg: gpio_usb_vbus { fsl,pins = < VF610_PAD_PTD4__GPIO_83 0x22ed -- 2.7.3