From: T Karthik Reddy t.karthik.reddy@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.reddy@xilinx.com Signed-off-by: Michal Simek michal.simek@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) {