Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 127 insertions, 0 deletions

diff --git a/drivers/clk/sunxi-ng/ccu_gate.h b/drivers/clk/sunxi-ng/ccu_gate.h
new file mode 100644
index 0000000000..dc05ce0673
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_gate.h
@@ -0,0 +1,127 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ */
+
+#ifndef _CCU_GATE_H_
+#define _CCU_GATE_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+
+struct ccu_gate {
+	u32			enable;
+
+	struct ccu_common	common;
+};
+
+#define SUNXI_CCU_GATE(_struct, _name, _parent, _reg, _gate, _flags)	\
+	struct ccu_gate _struct = {					\
+		.enable	= _gate,					\
+		.common	= {						\
+			.reg		= _reg,				\
+			.hw.init	= CLK_HW_INIT(_name,		\
+						      _parent,		\
+						      &ccu_gate_ops,	\
+						      _flags),		\
+		}							\
+	}
+
+#define SUNXI_CCU_GATE_HW(_struct, _name, _parent, _reg, _gate, _flags)	\
+	struct ccu_gate _struct = {					\
+		.enable	= _gate,					\
+		.common	= {						\
+			.reg		= _reg,				\
+			.hw.init	= CLK_HW_INIT_HW(_name,		\
+							 _parent,	\
+							 &ccu_gate_ops,	\
+							 _flags),	\
+		}							\
+	}
+
+#define SUNXI_CCU_GATE_FW(_struct, _name, _parent, _reg, _gate, _flags)	\
+	struct ccu_gate _struct = {					\
+		.enable	= _gate,					\
+		.common	= {						\
+			.reg		= _reg,				\
+			.hw.init	= CLK_HW_INIT_FW_NAME(_name,	\
+							      _parent,	\
+							      &ccu_gate_ops, \
+							      _flags),	\
+		}							\
+	}
+
+/*
+ * The following macros allow the re-use of the data structure
+ * holding the parent info.
+ */
+#define SUNXI_CCU_GATE_HWS(_struct, _name, _parent, _reg, _gate, _flags) \
+	struct ccu_gate _struct = {					\
+		.enable	= _gate,					\
+		.common	= {						\
+			.reg		= _reg,				\
+			.hw.init	= CLK_HW_INIT_HWS(_name,	\
+							  _parent,	\
+							  &ccu_gate_ops, \
+							  _flags),	\
+		}							\
+	}
+
+#define SUNXI_CCU_GATE_HWS_WITH_PREDIV(_struct, _name, _parent, _reg,	\
+				       _gate, _prediv, _flags)		\
+	struct ccu_gate _struct = {					\
+		.enable	= _gate,					\
+		.common	= {						\
+			.reg		= _reg,				\
+			.prediv		= _prediv,			\
+			.features	= CCU_FEATURE_ALL_PREDIV,	\
+			.hw.init	= CLK_HW_INIT_HWS(_name,	\
+							  _parent,	\
+							  &ccu_gate_ops, \
+							  _flags),	\
+		}							\
+	}
+
+#define SUNXI_CCU_GATE_DATA(_struct, _name, _data, _reg, _gate, _flags)	\
+	struct ccu_gate _struct = {					\
+		.enable	= _gate,					\
+		.common	= {						\
+			.reg		= _reg,				\
+			.hw.init	=				\
+				CLK_HW_INIT_PARENTS_DATA(_name,		\
+							 _data,		\
+							 &ccu_gate_ops,	\
+							 _flags),	\
+		}							\
+	}
+
+#define SUNXI_CCU_GATE_DATA_WITH_PREDIV(_struct, _name, _parent, _reg,	\
+					_gate, _prediv, _flags)		\
+	struct ccu_gate _struct = {					\
+		.enable	= _gate,					\
+		.common	= {						\
+			.reg		= _reg,				\
+			.prediv		= _prediv,			\
+			.features	= CCU_FEATURE_ALL_PREDIV,	\
+			.hw.init	= CLK_HW_INIT_PARENTS_DATA(_name, \
+								   _parent, \
+								   &ccu_gate_ops, \
+								   _flags), \
+		}							\
+	}
+
+static inline struct ccu_gate *hw_to_ccu_gate(struct clk_hw *hw)
+{
+	struct ccu_common *common = hw_to_ccu_common(hw);
+
+	return container_of(common, struct ccu_gate, common);
+}
+
+void ccu_gate_helper_disable(struct ccu_common *common, u32 gate);
+int ccu_gate_helper_enable(struct ccu_common *common, u32 gate);
+int ccu_gate_helper_is_enabled(struct ccu_common *common, u32 gate);
+
+extern const struct clk_ops ccu_gate_ops;
+
+#endif /* _CCU_GATE_H_ */