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Diffstat (limited to 'drivers/clk/mvebu/armada_ap_cp_helper.c')
-rw-r--r--drivers/clk/mvebu/armada_ap_cp_helper.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/clk/mvebu/armada_ap_cp_helper.c b/drivers/clk/mvebu/armada_ap_cp_helper.c
new file mode 100644
index 000000000..6a930f697
--- /dev/null
+++ b/drivers/clk/mvebu/armada_ap_cp_helper.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Marvell Armada AP and CP110 helper
+ *
+ * Copyright (C) 2018 Marvell
+ *
+ * Gregory Clement <gregory.clement@bootlin.com>
+ *
+ */
+
+#include "armada_ap_cp_helper.h"
+#include <linux/device.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+char *ap_cp_unique_name(struct device *dev, struct device_node *np,
+ const char *name)
+{
+ const __be32 *reg;
+ u64 addr;
+
+ /* Do not create a name if there is no clock */
+ if (!name)
+ return NULL;
+
+ reg = of_get_property(np, "reg", NULL);
+ addr = of_translate_address(np, reg);
+ return devm_kasprintf(dev, GFP_KERNEL, "%llx-%s",
+ (unsigned long long)addr, name);
+}