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Diffstat (limited to 'drivers/clk/renesas/rcar-cpg-lib.h')
-rw-r--r--drivers/clk/renesas/rcar-cpg-lib.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/clk/renesas/rcar-cpg-lib.h b/drivers/clk/renesas/rcar-cpg-lib.h
new file mode 100644
index 0000000000..94627df1c9
--- /dev/null
+++ b/drivers/clk/renesas/rcar-cpg-lib.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * R-Car Gen3 Clock Pulse Generator Library
+ *
+ * Copyright (C) 2015-2018 Glider bvba
+ * Copyright (C) 2019 Renesas Electronics Corp.
+ *
+ * Based on clk-rcar-gen3.c
+ *
+ * Copyright (C) 2015 Renesas Electronics Corp.
+ */
+
+#ifndef __CLK_RENESAS_RCAR_CPG_LIB_H__
+#define __CLK_RENESAS_RCAR_CPG_LIB_H__
+
+extern spinlock_t cpg_lock;
+
+struct cpg_simple_notifier {
+ struct notifier_block nb;
+ void __iomem *reg;
+ u32 saved;
+};
+
+void cpg_simple_notifier_register(struct raw_notifier_head *notifiers,
+ struct cpg_simple_notifier *csn);
+
+void cpg_reg_modify(void __iomem *reg, u32 clear, u32 set);
+
+struct clk * __init cpg_sdh_clk_register(const char *name,
+ void __iomem *sdnckcr, const char *parent_name,
+ struct raw_notifier_head *notifiers);
+
+struct clk * __init cpg_sd_clk_register(const char *name,
+ void __iomem *sdnckcr, const char *parent_name);
+
+struct clk * __init cpg_rpc_clk_register(const char *name,
+ void __iomem *rpcckcr, const char *parent_name,
+ struct raw_notifier_head *notifiers);
+
+struct clk * __init cpg_rpcd2_clk_register(const char *name,
+ void __iomem *rpcckcr,
+ const char *parent_name);
+#endif