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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/clk/sunxi-ng/ccu_mult.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/sunxi-ng/ccu_mult.h')
-rw-r--r--drivers/clk/sunxi-ng/ccu_mult.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_mult.h b/drivers/clk/sunxi-ng/ccu_mult.h
new file mode 100644
index 000000000..6b30b0c10
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_mult.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _CCU_MULT_H_
+#define _CCU_MULT_H_
+
+#include "ccu_common.h"
+#include "ccu_frac.h"
+#include "ccu_mux.h"
+
+struct ccu_mult_internal {
+ u8 offset;
+ u8 shift;
+ u8 width;
+ u8 min;
+ u8 max;
+};
+
+#define _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, _min, _max) \
+ { \
+ .min = _min, \
+ .max = _max, \
+ .offset = _offset, \
+ .shift = _shift, \
+ .width = _width, \
+ }
+
+#define _SUNXI_CCU_MULT_MIN(_shift, _width, _min) \
+ _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, _min, 0)
+
+#define _SUNXI_CCU_MULT_OFFSET(_shift, _width, _offset) \
+ _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, 1, 0)
+
+#define _SUNXI_CCU_MULT(_shift, _width) \
+ _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, 1, 0)
+
+struct ccu_mult {
+ u32 enable;
+ u32 lock;
+
+ struct ccu_frac_internal frac;
+ struct ccu_mult_internal mult;
+ struct ccu_mux_internal mux;
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_N_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \
+ _mshift, _mwidth, _gate, _lock, \
+ _flags) \
+ struct ccu_mult _struct = { \
+ .enable = _gate, \
+ .lock = _lock, \
+ .mult = _SUNXI_CCU_MULT(_mshift, _mwidth), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_mult_ops, \
+ _flags), \
+ }, \
+ }
+
+static inline struct ccu_mult *hw_to_ccu_mult(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_mult, common);
+}
+
+extern const struct clk_ops ccu_mult_ops;
+
+#endif /* _CCU_MULT_H_ */