From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chanwoo Choi Subject: Re: [PATCH v2] extcon: gpio: Add the support for Device tree bindings Date: Mon, 05 Oct 2015 19:39:31 +0900 Message-ID: <56125363.4060203@samsung.com> References: <194162595.571031444032234245.JavaMail.weblogic@epmlwas07a> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-reply-to: <194162595.571031444032234245.JavaMail.weblogic@epmlwas07a> Sender: linux-kernel-owner@vger.kernel.org To: myungjoo.ham@samsung.com, "linux-kernel@vger.kernel.org" Cc: "robh+dt@kernel.org" , "pawel.moll@arm.com" , "mark.rutland@arm.com" , "ijc+devicetree@hellion.org.uk" , "galak@codeaurora.org" , "devicetree@vger.kernel.org" List-Id: devicetree@vger.kernel.org On 2015=EB=85=84 10=EC=9B=94 05=EC=9D=BC 17:03, MyungJoo Ham wrote: >> =20 >> This patch adds the support for Device tree bindings of extcon-gpio= driver. >> The extcon-gpio device tree node must include the both 'extcon-id' a= nd >> 'extcon-gpio' property. >> > [] >> >> Signed-off-by: Chanwoo Choi >=20 >=20 > Except for some beautification issues described below, >=20 > Signed-off-by: MyungJoo Ham >=20 >> --- >> This patch is based on following patch[1]. >> [1] https://lkml.org/lkml/2015/10/3/304 >> >> Changes from v1: >> - Create the include/dt-bindings/extcon/extcon.h including the ident= ification >> of external connector. These definitions are used in dts file. >> - Fix error if CONFIG_OF is disabled. >> >> .../devicetree/bindings/extcon/extcon-gpio.txt | 38 +++++++ >> drivers/extcon/extcon-gpio.c | 110 ++++++++++= ++++++----- >> include/dt-bindings/extcon/extcon.h | 44 +++++++++ >> include/linux/extcon/extcon-gpio.h | 6 +- >> 4 files changed, 173 insertions(+), 25 deletions(-) >> create mode 100644 Documentation/devicetree/bindings/extcon/extcon-= gpio.txt >> create mode 100644 include/dt-bindings/extcon/extcon.h >> >> diff --git a/Documentation/devicetree/bindings/extcon/extcon-gpio.tx= t b/Documentation/devicetree/bindings/extcon/extcon-gpio.txt >> new file mode 100644 >> index 000000000000..70c36f729963 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/extcon/extcon-gpio.txt > [] >> diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gp= io.c >> index 279ff8f6637d..7f3e24aae0c4 100644 >> --- a/drivers/extcon/extcon-gpio.c >> +++ b/drivers/extcon/extcon-gpio.c >> @@ -1,8 +1,8 @@ >> /* >> * extcon_gpio.c - Single-state GPIO extcon driver based on extcon = class >> * >> - * Copyright (C) 2008 Google, Inc. >> - * Author: Mike Lockwood >> + * Copyright (C) 2015 Chanwoo Choi , Samsung= Electronics >> + * Copyright (C) 2008 Mike Lockwood , Google,= Inc. >> * >> * Modified by MyungJoo Ham to support e= xtcon >> * (originally switch class is supported) >=20 > Let's make it in chronological order. > (may need to "beautify the last two lines as well) >=20 > I.e., 2008-->2012-->2015 or 2015-->2012-->2008. > Not 2015-->2008-->2012 OK. I'll modify it. >=20 >=20 >> @@ -26,12 +26,14 @@ > [] >> diff --git a/include/dt-bindings/extcon/extcon.h b/include/dt-bindin= gs/extcon/extcon.h >> new file mode 100644 >> index 000000000000..14c7f36b2206 >> --- /dev/null >> +++ b/include/dt-bindings/extcon/extcon.h > [] >> diff --git a/include/linux/extcon/extcon-gpio.h b/include/linux/extc= on/extcon-gpio.h >> index 7cacafb78b09..bcc6d7f7116a 100644 >> --- a/include/linux/extcon/extcon-gpio.h >> +++ b/include/linux/extcon/extcon-gpio.h > [] >> @@ -38,7 +38,7 @@ struct gpio_extcon_pdata { >> unsigned int extcon_id; >> unsigned gpio; >> bool gpio_active_low; >> - unsigned long debounce; >> + unsigned int debounce; >=20 > What about u32, making it more clear? > ( > + device_property_read_u32(dev, "debounce-ms", &pdata->debounce);= ) OK. Thanks, Chanwoo Choi