All of lore.kernel.org
 help / color / mirror / Atom feed
From: S Twiss <stwiss.opensource@diasemi.com>
To: Lee Jones <lee.jones@linaro.org>,
	Samuel Ortiz <sameo@linux.intel.com>,
	Steve Twiss <stwiss.opensource@diasemi.com>
Cc: DT <devicetree@vger.kernel.org>,
	David Dajun Chen <david.chen@diasemi.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	INPUT <linux-input@vger.kernel.org>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Pawel Moll <pawel.moll@arm.com>, Rob Herring <robh+dt@kernel.org>,
	Support Opensource <support.opensource@diasemi.com>
Subject: [PATCH V3 3/3] mfd: da9063: MFD support for OnKey driver
Date: Thu, 30 Apr 2015 12:26:34 +0100	[thread overview]
Message-ID: <639fd177d5ddd4ce80df45f9d774cc971b286ef9.1430393194.git.stwiss.opensource@diasemi.com> (raw)
In-Reply-To: <cover.1430393194.git.stwiss.opensource@diasemi.com>

From: Steve Twiss <stwiss.opensource@diasemi.com>

Add MFD support for the DA9063 OnKey driver


Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>

---
Version History

Changes in V3
 - The MFD code was originally in [PATCH V2 1/2]. This is now been moved into
   this patch [PATCH V3 3/3].
 - Whitespace cleanup

This patch applies against linux-next and v4.1-rc1 


 drivers/mfd/da9063-core.c        | 54 ++++++++++++++++++++++++++++++++++++++++
 include/linux/mfd/da9063/pdata.h |  1 +
 2 files changed, 55 insertions(+)

diff --git a/drivers/mfd/da9063-core.c b/drivers/mfd/da9063-core.c
index facd361..af841c1 100644
--- a/drivers/mfd/da9063-core.c
+++ b/drivers/mfd/da9063-core.c
@@ -60,6 +60,7 @@ static struct resource da9063_rtc_resources[] = {
 
 static struct resource da9063_onkey_resources[] = {
 	{
+		.name	= "ONKEY",
 		.start	= DA9063_IRQ_ONKEY,
 		.end	= DA9063_IRQ_ONKEY,
 		.flags	= IORESOURCE_IRQ,
@@ -97,6 +98,7 @@ static const struct mfd_cell da9063_devs[] = {
 		.name		= DA9063_DRVNAME_ONKEY,
 		.num_resources	= ARRAY_SIZE(da9063_onkey_resources),
 		.resources	= da9063_onkey_resources,
+		.of_compatible = "dlg,da9063-onkey",
 	},
 	{
 		.name		= DA9063_DRVNAME_RTC,
@@ -109,12 +111,64 @@ static const struct mfd_cell da9063_devs[] = {
 	},
 };
 
+static int da9063_clear_fault_log(struct da9063 *da9063)
+{
+	int ret = 0;
+	int fault_log = 0;
+
+	ret = regmap_read(da9063->regmap, DA9063_REG_FAULT_LOG, &fault_log);
+	if (ret < 0) {
+		dev_err(da9063->dev, "Cannot read FAULT_LOG.\n");
+		return -EIO;
+	}
+
+	if (fault_log) {
+		if (fault_log & DA9063_TWD_ERROR)
+			dev_dbg(da9063->dev,
+				"Fault log entry detected: DA9063_TWD_ERROR\n");
+		if (fault_log & DA9063_POR)
+			dev_dbg(da9063->dev,
+				"Fault log entry detected: DA9063_POR\n");
+		if (fault_log & DA9063_VDD_FAULT)
+			dev_dbg(da9063->dev,
+				"Fault log entry detected: DA9063_VDD_FAULT\n");
+		if (fault_log & DA9063_VDD_START)
+			dev_dbg(da9063->dev,
+				"Fault log entry detected: DA9063_VDD_START\n");
+		if (fault_log & DA9063_TEMP_CRIT)
+			dev_dbg(da9063->dev,
+				"Fault log entry detected: DA9063_TEMP_CRIT\n");
+		if (fault_log & DA9063_KEY_RESET)
+			dev_dbg(da9063->dev,
+				"Fault log entry detected: DA9063_KEY_RESET\n");
+		if (fault_log & DA9063_NSHUTDOWN)
+			dev_dbg(da9063->dev,
+				"Fault log entry detected: DA9063_NSHUTDOWN\n");
+		if (fault_log & DA9063_WAIT_SHUT)
+			dev_dbg(da9063->dev,
+				"Fault log entry detected: DA9063_WAIT_SHUT\n");
+	}
+
+	ret = regmap_write(da9063->regmap,
+			   DA9063_REG_FAULT_LOG,
+			   fault_log);
+	if (ret < 0)
+		dev_err(da9063->dev,
+			"Cannot reset FAULT_LOG values %d\n", ret);
+
+	return ret;
+}
+
 int da9063_device_init(struct da9063 *da9063, unsigned int irq)
 {
 	struct da9063_pdata *pdata = da9063->dev->platform_data;
 	int model, variant_id, variant_code;
 	int ret;
 
+	ret = da9063_clear_fault_log(da9063);
+	if (ret < 0)
+		dev_err(da9063->dev, "Cannot clear fault log\n");
+
 	if (pdata) {
 		da9063->flags = pdata->flags;
 		da9063->irq_base = pdata->irq_base;
diff --git a/include/linux/mfd/da9063/pdata.h b/include/linux/mfd/da9063/pdata.h
index 95c8742..612383b 100644
--- a/include/linux/mfd/da9063/pdata.h
+++ b/include/linux/mfd/da9063/pdata.h
@@ -103,6 +103,7 @@ struct da9063;
 struct da9063_pdata {
 	int				(*init)(struct da9063 *da9063);
 	int				irq_base;
+	bool				key_power;
 	unsigned			flags;
 	struct da9063_regulators_pdata	*regulators_pdata;
 	struct led_platform_data	*leds_pdata;
-- 
end-of-patch for PATCH V3


  parent reply	other threads:[~2015-04-30 11:33 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-30 11:26 [PATCH V3 0/3] Add OnKey support for DA9063 S Twiss
2015-04-30 11:26 ` [PATCH V3 2/3] devicetree: Add bindings for DA9063 OnKey S Twiss
2015-04-30 11:26 ` [PATCH V3 1/3] input: misc: da9063: OnKey driver S Twiss
2015-04-30 11:26 ` S Twiss [this message]
2015-05-04  7:46   ` [PATCH V3 3/3] mfd: da9063: MFD support for " Geert Uytterhoeven
2015-05-05  8:36     ` Opensource [Steve Twiss]
2015-05-05  8:36       ` Opensource [Steve Twiss]
2015-05-05  8:52       ` Geert Uytterhoeven
2015-05-05  9:19         ` Opensource [Steve Twiss]
2015-05-05  9:19           ` Opensource [Steve Twiss]

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=639fd177d5ddd4ce80df45f9d774cc971b286ef9.1430393194.git.stwiss.opensource@diasemi.com \
    --to=stwiss.opensource@diasemi.com \
    --cc=david.chen@diasemi.com \
    --cc=devicetree@vger.kernel.org \
    --cc=dmitry.torokhov@gmail.com \
    --cc=galak@codeaurora.org \
    --cc=ijc+devicetree@hellion.org.uk \
    --cc=lee.jones@linaro.org \
    --cc=linux-input@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=pawel.moll@arm.com \
    --cc=robh+dt@kernel.org \
    --cc=sameo@linux.intel.com \
    --cc=support.opensource@diasemi.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.