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-rw-r--r--include/dm/read.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/include/dm/read.h b/include/dm/read.h
index efcbee15eca..389e30e7fb4 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -65,6 +65,38 @@ int dev_read_u32(struct udevice *dev, const char *propname, u32 *outp);
int dev_read_u32_default(struct udevice *dev, const char *propname, int def);
/**
+ * dev_read_s32() - read a signed 32-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_s32(struct udevice *dev, const char *propname, s32 *outp);
+
+/**
+ * dev_read_s32_default() - read a signed 32-bit int 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
+ */
+int dev_read_s32_default(struct udevice *dev, const char *propname, int def);
+
+/**
+ * dev_read_u32u() - read a 32-bit integer from a device's DT property
+ *
+ * This version uses a standard uint type.
+ *
+ * @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_u32u(struct udevice *dev, const char *propname, uint *outp);
+
+/**
* dev_read_string() - Read a string from a device's DT property
*
* @dev: device to read DT property from
@@ -492,6 +524,32 @@ static inline int dev_read_u32_default(struct udevice *dev,
return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
}
+static inline int dev_read_s32(struct udevice *dev,
+ const char *propname, s32 *outp)
+{
+ return ofnode_read_s32(dev_ofnode(dev), propname, outp);
+}
+
+static inline int dev_read_s32_default(struct udevice *dev,
+ const char *propname, int def)
+{
+ return ofnode_read_s32_default(dev_ofnode(dev), propname, def);
+}
+
+static inline int dev_read_u32u(struct udevice *dev,
+ const char *propname, uint *outp)
+{
+ u32 val;
+ int ret;
+
+ ret = ofnode_read_u32(dev_ofnode(dev), propname, &val);
+ if (ret)
+ return ret;
+ *outp = val;
+
+ return 0;
+}
+
static inline const char *dev_read_string(struct udevice *dev,
const char *propname)
{