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-rw-r--r--drivers/clk/uniphier/clk-uniphier-fixed-rate.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/clk/uniphier/clk-uniphier-fixed-rate.c b/drivers/clk/uniphier/clk-uniphier-fixed-rate.c
new file mode 100644
index 000000000..3bc55ab75
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier-fixed-rate.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+
+#include "clk-uniphier.h"
+
+struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev,
+ const char *name,
+ const struct uniphier_clk_fixed_rate_data *data)
+{
+ struct clk_fixed_rate *fixed;
+ struct clk_init_data init;
+ int ret;
+
+ /* allocate fixed-rate clock */
+ fixed = devm_kzalloc(dev, sizeof(*fixed), GFP_KERNEL);
+ if (!fixed)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.ops = &clk_fixed_rate_ops;
+ init.flags = 0;
+ init.parent_names = NULL;
+ init.num_parents = 0;
+
+ fixed->fixed_rate = data->fixed_rate;
+ fixed->hw.init = &init;
+
+ ret = devm_clk_hw_register(dev, &fixed->hw);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return &fixed->hw;
+}