From: T Karthik Reddy <t.karthik.re...@xilinx.com>
This patch adds functions dev_read_u64_default & dev_read_u64
to read unsigned 64-bit values from devicetree.
Signed-off-by: T Karthik Reddy <t.karthik.re...@xilinx.com>
Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---
Changes in v2:
- Moved newly added 64-bit funtion definations & prototypes below
32-bit functions.
drivers/core/ofnode.c | 2 +-
drivers/core/read.c | 10 ++++++++++
include/dm/ofnode.h | 2 +-
include/dm/read.h | 33 +++++++++++++++++++++++++++++++++
4 files changed, 45 insertions(+), 2 deletions(-)
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index e74a662d1d30..7eca00cd6613 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -79,7 +79,7 @@ int ofnode_read_u64(ofnode node, const char *propname, u64
*outp)
return 0;
}
-int ofnode_read_u64_default(ofnode node, const char *propname, u64 def)
+u64 ofnode_read_u64_default(ofnode node, const char *propname, u64 def)
{
assert(ofnode_valid(node));
ofnode_read_u64(node, propname, &def);
diff --git a/drivers/core/read.c b/drivers/core/read.c
index 8b5502de1159..fb3dcd9a7905 100644
--- a/drivers/core/read.c
+++ b/drivers/core/read.c
@@ -44,6 +44,16 @@ int dev_read_u32u(struct udevice *dev, const char *propname,
uint *outp)
return 0;
}
+int dev_read_u64(struct udevice *dev, const char *propname, u64 *outp)
+{
+ return ofnode_read_u64(dev_ofnode(dev), propname, outp);
+}
+
+u64 dev_read_u64_default(struct udevice *dev, const char *propname, u64 def)
+{
+ return ofnode_read_u64_default(dev_ofnode(dev), propname, def);
+}
+
const char *dev_read_string(struct udevice *dev, const char *propname)
{
return ofnode_read_string(dev_ofnode(dev), propname);
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index 4f89db44c19e..5c4cbf099869 100644
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -254,7 +254,7 @@ int ofnode_read_u64(ofnode node, const char *propname, u64
*outp);
* @def: default value to return if the property has no value
* @return property value, or @def if not found
*/
-int ofnode_read_u64_default(ofnode node, const char *propname, u64 def);
+u64 ofnode_read_u64_default(ofnode node, const char *propname, u64 def);
/**
* ofnode_read_string() - Read a string from a property
diff --git a/include/dm/read.h b/include/dm/read.h
index 0c62d62f1148..803daf7620c8 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -44,6 +44,7 @@ static inline bool dev_of_valid(struct udevice *dev)
}
#ifndef CONFIG_DM_DEV_READ_INLINE
+
/**
* dev_read_u32() - read a 32-bit integer from a device's DT property
*
@@ -96,6 +97,26 @@ int dev_read_s32_default(struct udevice *dev, const char
*propname, int def);
*/
int dev_read_u32u(struct udevice *dev, const char *propname, uint *outp);
+/**
+ * dev_read_u64() - read a 64-bit integer from a device's DT property
+ *
+ * @dev: device to read DT property from
+ * @propname: name of the property to read from
+ * @outp: place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_u64(struct udevice *dev, const char *propname, u64 *outp);
+
+/**
+ * dev_read_u64_default() - read a 64-bit integer from a device's DT property
+ *
+ * @dev: device to read DT property from
+ * @propname: name of the property to read from
+ * @def: default value to return if the property has no value
+ * @return property value, or @def if not found
+ */
+u64 dev_read_u64_default(struct udevice *dev, const char *propname, u64 def);
+
/**
* dev_read_string() - Read a string from a device's DT property
*
@@ -601,6 +622,18 @@ static inline int dev_read_u32u(struct udevice *dev,
return 0;
}
+static inline int dev_read_u64(struct udevice *dev,
+ const char *propname, u64 *outp)
+{
+ return ofnode_read_u64(dev_ofnode(dev), propname, outp);
+}
+
+static inline u64 dev_read_u64_default(struct udevice *dev,
+ const char *propname, u64 def)
+{
+ return ofnode_read_u64_default(dev_ofnode(dev), propname, def);
+}
+
static inline const char *dev_read_string(struct udevice *dev,
const char *propname)
{
--
2.17.1
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