From: Stephen Boyd <sboyd@codeaurora.org>
To: Samuel Ortiz <sameo@linux.intel.com>, Lee Jones <lee.jones@linaro.org>
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Mark Brown <broonie@kernel.org>
Subject: [PATCH v2 4/7] mfd: ssbi: Add regmap read/write helpers
Date: Mon, 23 Dec 2013 12:46:00 -0800 [thread overview]
Message-ID: <1387831563-13535-5-git-send-email-sboyd@codeaurora.org> (raw)
In-Reply-To: <1387831563-13535-1-git-send-email-sboyd@codeaurora.org>
Add read and write helper functions that the pm8921-core driver
can use to read and write ssbi regsiters via a "no-bus" regmap.
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
---
drivers/mfd/ssbi.c | 13 +++++++++++++
include/linux/ssbi.h | 3 +++
2 files changed, 16 insertions(+)
diff --git a/drivers/mfd/ssbi.c b/drivers/mfd/ssbi.c
index b78942e..c5d270f 100644
--- a/drivers/mfd/ssbi.c
+++ b/drivers/mfd/ssbi.c
@@ -269,6 +269,19 @@ int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len)
}
EXPORT_SYMBOL_GPL(ssbi_write);
+int ssbi_reg_read(void *context, unsigned int reg, unsigned int *val)
+{
+ *val = 0;
+ return ssbi_read(context, reg, (u8 *)val, 1);
+}
+EXPORT_SYMBOL_GPL(ssbi_reg_read);
+
+int ssbi_reg_write(void *context, unsigned int reg, unsigned int val)
+{
+ return ssbi_write(context, reg, (u8 *)&val, 1);
+}
+EXPORT_SYMBOL_GPL(ssbi_reg_write);
+
static int ssbi_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
diff --git a/include/linux/ssbi.h b/include/linux/ssbi.h
index bcbb642..b862f3d 100644
--- a/include/linux/ssbi.h
+++ b/include/linux/ssbi.h
@@ -20,4 +20,7 @@
int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len);
int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len);
+int ssbi_reg_read(void *context, unsigned int reg, unsigned int *val);
+int ssbi_reg_write(void *context, unsigned int reg, unsigned int val);
+
#endif
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
WARNING: multiple messages have this Message-ID (diff)
From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 4/7] mfd: ssbi: Add regmap read/write helpers
Date: Mon, 23 Dec 2013 12:46:00 -0800 [thread overview]
Message-ID: <1387831563-13535-5-git-send-email-sboyd@codeaurora.org> (raw)
In-Reply-To: <1387831563-13535-1-git-send-email-sboyd@codeaurora.org>
Add read and write helper functions that the pm8921-core driver
can use to read and write ssbi regsiters via a "no-bus" regmap.
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
---
drivers/mfd/ssbi.c | 13 +++++++++++++
include/linux/ssbi.h | 3 +++
2 files changed, 16 insertions(+)
diff --git a/drivers/mfd/ssbi.c b/drivers/mfd/ssbi.c
index b78942e..c5d270f 100644
--- a/drivers/mfd/ssbi.c
+++ b/drivers/mfd/ssbi.c
@@ -269,6 +269,19 @@ int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len)
}
EXPORT_SYMBOL_GPL(ssbi_write);
+int ssbi_reg_read(void *context, unsigned int reg, unsigned int *val)
+{
+ *val = 0;
+ return ssbi_read(context, reg, (u8 *)val, 1);
+}
+EXPORT_SYMBOL_GPL(ssbi_reg_read);
+
+int ssbi_reg_write(void *context, unsigned int reg, unsigned int val)
+{
+ return ssbi_write(context, reg, (u8 *)&val, 1);
+}
+EXPORT_SYMBOL_GPL(ssbi_reg_write);
+
static int ssbi_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
diff --git a/include/linux/ssbi.h b/include/linux/ssbi.h
index bcbb642..b862f3d 100644
--- a/include/linux/ssbi.h
+++ b/include/linux/ssbi.h
@@ -20,4 +20,7 @@
int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len);
int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len);
+int ssbi_reg_read(void *context, unsigned int reg, unsigned int *val);
+int ssbi_reg_write(void *context, unsigned int reg, unsigned int val);
+
#endif
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
next prev parent reply other threads:[~2013-12-23 20:46 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-23 20:45 [PATCH v2 0/7] Modernize pm8921 with irqdomains, regmap, DT Stephen Boyd
2013-12-23 20:45 ` Stephen Boyd
2013-12-23 20:45 ` Stephen Boyd
2013-12-23 20:45 ` [PATCH v2 1/7] mfd: Move pm8xxx-irq.c contents into only driver that uses it Stephen Boyd
2013-12-23 20:45 ` Stephen Boyd
2014-01-06 14:47 ` Lee Jones
2014-01-06 14:47 ` Lee Jones
2013-12-23 20:45 ` [PATCH v2 2/7] mfd: pm8921: Update for genirq changes Stephen Boyd
2013-12-23 20:45 ` Stephen Boyd
2013-12-23 20:45 ` [PATCH v2 3/7] mfd: pm8921: Migrate to irqdomains Stephen Boyd
2013-12-23 20:45 ` Stephen Boyd
2014-01-06 15:53 ` Lee Jones
2014-01-06 15:53 ` Lee Jones
2014-01-06 20:33 ` Stephen Boyd
2014-01-06 20:33 ` Stephen Boyd
2014-01-07 8:22 ` Lee Jones
2014-01-07 8:22 ` Lee Jones
2014-01-07 19:54 ` Stephen Boyd
2014-01-07 19:54 ` Stephen Boyd
2014-01-08 8:14 ` Lee Jones
2014-01-08 8:14 ` Lee Jones
2013-12-23 20:46 ` Stephen Boyd [this message]
2013-12-23 20:46 ` [PATCH v2 4/7] mfd: ssbi: Add regmap read/write helpers Stephen Boyd
2013-12-24 12:54 ` Mark Brown
2013-12-24 12:54 ` Mark Brown
2013-12-26 19:41 ` Stephen Boyd
2013-12-26 19:41 ` Stephen Boyd
2013-12-28 14:52 ` Mark Brown
2013-12-28 14:52 ` Mark Brown
2013-12-28 14:52 ` Mark Brown
2014-01-06 11:50 ` Lee Jones
2014-01-06 11:50 ` Lee Jones
2014-01-06 22:26 ` Stephen Boyd
2014-01-06 22:26 ` Stephen Boyd
2013-12-23 20:46 ` [PATCH v2 5/7] mfd: pm8921: Use ssbi regmap Stephen Boyd
2013-12-23 20:46 ` Stephen Boyd
2013-12-30 12:34 ` Mark Brown
2013-12-30 12:34 ` Mark Brown
2013-12-23 20:46 ` [PATCH v2 6/7] mfd: pm8921: Add DT match table Stephen Boyd
2013-12-23 20:46 ` Stephen Boyd
2014-01-06 11:52 ` Lee Jones
2014-01-06 11:52 ` Lee Jones
2014-01-06 18:03 ` Stephen Boyd
2014-01-06 18:03 ` Stephen Boyd
[not found] ` <1387831563-13535-1-git-send-email-sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2013-12-23 20:46 ` [PATCH v2 7/7] devicetree: bindings: Document PM8921/8058 PMICs Stephen Boyd
2013-12-23 20:46 ` Stephen Boyd
2013-12-23 20:46 ` Stephen Boyd
2014-01-06 11:53 ` Lee Jones
2014-01-06 11:53 ` Lee Jones
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