From: George Cherian <george.cherian@ti.com>
To: <cw00.choi@samsung.com>, <robh+dt@kernel.org>,
<pawel.moll@arm.com>, <mark.rutland@arm.com>,
<ijc+devicetree@hellion.org.uk>, <galak@codeaurora.org>,
<myungjoo.ham@samsung.com>, <grant.likely@linaro.org>,
<rongjun.ying@csr.com>, <linux@roeck-us.net>
Cc: <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
George Cherian <george.cherian@ti.com>
Subject: [PATCH 5/5] extcon: gpio: Add support for using cable names
Date: Tue, 9 Sep 2014 09:44:38 +0530 [thread overview]
Message-ID: <1410236078-11713-6-git-send-email-george.cherian@ti.com> (raw)
In-Reply-To: <1410236078-11713-1-git-send-email-george.cherian@ti.com>
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 <george.cherian@ti.com>
---
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 3839749..c0ab8e7 100644
--- a/drivers/extcon/extcon-gpio.c
+++ b/drivers/extcon/extcon-gpio.c
@@ -42,6 +42,7 @@ struct gpio_extcon_data {
struct delayed_work work;
unsigned long debounce_jiffies;
bool check_on_resume;
+ const char *cable_name[1];
};
static void gpio_extcon_work(struct work_struct *work)
@@ -111,6 +112,9 @@ static int gpio_extcon_probe(struct platform_device *pdev)
of_property_read_u32(np, "debounce", &debounce);
irq = gpiod_to_irq(extcon_data->gpiod);
irq_flags = irq_get_trigger_type(irq);
+ of_property_read_string_index(np, "cable-name", 0,
+ extcon_data->cable_name);
+ extcon_data->edev->supported_cable = extcon_data->cable_name;
} else {
if (!pdata)
return -EBUSY;
--
1.8.3.1
next prev parent reply other threads:[~2014-09-09 4:18 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-09 4:14 [PATCH 0/5] Add dt support for extcon gpio driver George Cherian
2014-09-09 4:14 ` [PATCH 1/5] extcon: gpio: Minor cleanups George Cherian
2014-09-22 7:54 ` Chanwoo Choi
2014-09-09 4:14 ` [PATCH 2/5] extcon: gpio: Convert the driver to use gpio desc API's George Cherian
2014-09-22 8:07 ` Chanwoo Choi
2014-09-22 9:51 ` George Cherian
2014-09-22 23:14 ` Chanwoo Choi
2014-09-23 5:14 ` George Cherian
2014-09-09 4:14 ` [PATCH 3/5] extcon: gpio: Add dt support for the driver George Cherian
2014-09-09 4:14 ` [PATCH 4/5] extcon: gpio: Always use gpio_get_value_cansleep George Cherian
2014-09-09 4:14 ` George Cherian [this message]
2014-09-16 6:41 ` [PATCH 0/5] Add dt support for extcon gpio driver George Cherian
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1410236078-11713-6-git-send-email-george.cherian@ti.com \
--to=george.cherian@ti.com \
--cc=cw00.choi@samsung.com \
--cc=devicetree@vger.kernel.org \
--cc=galak@codeaurora.org \
--cc=grant.likely@linaro.org \
--cc=ijc+devicetree@hellion.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@roeck-us.net \
--cc=mark.rutland@arm.com \
--cc=myungjoo.ham@samsung.com \
--cc=pawel.moll@arm.com \
--cc=robh+dt@kernel.org \
--cc=rongjun.ying@csr.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).