From patchwork Wed Nov 5 15:29:48 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: George Cherian X-Patchwork-Id: 407039 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3283D14003E for ; Thu, 6 Nov 2014 02:34:29 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755566AbaKEPcr (ORCPT ); Wed, 5 Nov 2014 10:32:47 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:47398 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755247AbaKEPcp (ORCPT ); Wed, 5 Nov 2014 10:32:45 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id sA5FWSGY012193; Wed, 5 Nov 2014 09:32:28 -0600 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id sA5FWSJT031413; Wed, 5 Nov 2014 09:32:28 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.174.1; Wed, 5 Nov 2014 09:32:28 -0600 Received: from george-pc.apr.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id sA5FWFnO019420; Wed, 5 Nov 2014 09:32:24 -0600 From: George Cherian To: , CC: , , , , , , , , , , George Cherian Subject: [RESEND PATCH 2/2] extcon: gpio: Add support for using cable names Date: Wed, 5 Nov 2014 20:59:48 +0530 Message-ID: <1415201388-32060-3-git-send-email-george.cherian@ti.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1415201388-32060-1-git-send-email-george.cherian@ti.com> References: <1415201388-32060-1-git-send-email-george.cherian@ti.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support for using cable names. Enables other drivers to register interest and get notified using extcon provided notifier call backs. Signed-off-by: George Cherian --- Documentation/devicetree/bindings/extcon/extcon-gpio.txt | 2 ++ drivers/extcon/extcon-gpio.c | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/extcon/extcon-gpio.txt b/Documentation/devicetree/bindings/extcon/extcon-gpio.txt index 30aa2e1..2c9d29f 100644 --- a/Documentation/devicetree/bindings/extcon/extcon-gpio.txt +++ b/Documentation/devicetree/bindings/extcon/extcon-gpio.txt @@ -7,6 +7,7 @@ Required Properties: - compatible: should be: * "linux,extcon-gpio" - gpios: specifies the gpio pin used. + - cable-name: Name of the cable used. Optional Properties: - debounce: Debounce time for GPIO IRQ in ms @@ -18,4 +19,5 @@ Eg: compatible = "linux,extcon-gpio"; gpios = <&gpio3 12 GPIO_ACTIVE_HIGH>; debounce = <20>; + cable-name = "USB-HOST"; }; diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c index 85795de..0e1b3e8 100644 --- a/drivers/extcon/extcon-gpio.c +++ b/drivers/extcon/extcon-gpio.c @@ -38,6 +38,7 @@ struct gpio_extcon_data { int irq; struct delayed_work work; unsigned long debounce_jiffies; + const char *cable_name[1]; }; static void gpio_extcon_work(struct work_struct *work) @@ -100,6 +101,9 @@ static int gpio_extcon_probe(struct platform_device *pdev) msecs_to_jiffies(debounce); } + of_property_read_string_index(np, "cable-name", 0, + extcon_data->cable_name); + extcon_data->edev->supported_cable = extcon_data->cable_name; ret = devm_extcon_dev_register(&pdev->dev, extcon_data->edev); if (ret < 0) return ret;