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path: root/drivers/clk/qcom/gdsc.h
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Diffstat (limited to 'drivers/clk/qcom/gdsc.h')
-rw-r--r--drivers/clk/qcom/gdsc.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/clk/qcom/gdsc.h b/drivers/clk/qcom/gdsc.h
new file mode 100644
index 000000000000..1ad9d53fd776
--- /dev/null
+++ b/drivers/clk/qcom/gdsc.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __QCOM_GDSC_H__
+#define __QCOM_GDSC_H__
+
+#include <linux/clk.h>
+#include <linux/pm_domain.h>
+#include <linux/regmap.h>
+
+/**
+ * struct gdsc - Globally Distributed Switch Controller
+ * @pd: generic power domain
+ * @regmap: regmap for MMIO accesses
+ * @gdscr: gsdc control register
+ * @con_ids: List of clocks to be controlled for the gdsc
+ */
+struct gdsc {
+ struct generic_pm_domain pd;
+ struct regmap *regmap;
+ unsigned int gdscr;
+ char *root_con_id;
+ struct clk *root_clk;
+ char *con_ids[];
+};
+
+#ifdef CONFIG_QCOM_GDSC
+int gdsc_register(struct device *, struct gdsc **, size_t n, struct regmap *);
+void gdsc_unregister(struct device *);
+#else
+static inline int gdsc_register(struct device *d, struct gdsc **g, size_t n,
+ struct regmap *r)
+{
+ return -ENOSYS;
+}
+
+static inline void gdsc_unregister(struct device *d)
+{};
+#endif /* CONFIG_QCOM_GDSC */
+#endif /* __QCOM_GDSC_H__ */