xref: /openbmc/linux/drivers/clk/berlin/berlin2-div.h (revision 3eb66e91a25497065c5322b1268cbc3953642227)
1*3504395fSJisheng Zhang /* SPDX-License-Identifier: GPL-2.0 */
26f9ba9b4SAlexandre Belloni /*
36f9ba9b4SAlexandre Belloni  * Copyright (c) 2014 Marvell Technology Group Ltd.
46f9ba9b4SAlexandre Belloni  *
56f9ba9b4SAlexandre Belloni  * Alexandre Belloni <alexandre.belloni@free-electrons.com>
66f9ba9b4SAlexandre Belloni  * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
76f9ba9b4SAlexandre Belloni  */
86f9ba9b4SAlexandre Belloni #ifndef __BERLIN2_DIV_H
96f9ba9b4SAlexandre Belloni #define __BERLIN2_DIV_H
106f9ba9b4SAlexandre Belloni 
11f6475e29SStephen Boyd struct clk_hw;
126f9ba9b4SAlexandre Belloni 
136f9ba9b4SAlexandre Belloni #define BERLIN2_DIV_HAS_GATE		BIT(0)
146f9ba9b4SAlexandre Belloni #define BERLIN2_DIV_HAS_MUX		BIT(1)
156f9ba9b4SAlexandre Belloni 
166f9ba9b4SAlexandre Belloni #define BERLIN2_PLL_SELECT(_off, _sh)	\
176f9ba9b4SAlexandre Belloni 	.pll_select_offs = _off,	\
186f9ba9b4SAlexandre Belloni 	.pll_select_shift = _sh
196f9ba9b4SAlexandre Belloni 
206f9ba9b4SAlexandre Belloni #define BERLIN2_PLL_SWITCH(_off, _sh)	\
216f9ba9b4SAlexandre Belloni 	.pll_switch_offs = _off,	\
226f9ba9b4SAlexandre Belloni 	.pll_switch_shift = _sh
236f9ba9b4SAlexandre Belloni 
246f9ba9b4SAlexandre Belloni #define BERLIN2_DIV_SELECT(_off, _sh)	\
256f9ba9b4SAlexandre Belloni 	.div_select_offs = _off,	\
266f9ba9b4SAlexandre Belloni 	.div_select_shift = _sh
276f9ba9b4SAlexandre Belloni 
286f9ba9b4SAlexandre Belloni #define BERLIN2_DIV_SWITCH(_off, _sh)	\
296f9ba9b4SAlexandre Belloni 	.div_switch_offs = _off,	\
306f9ba9b4SAlexandre Belloni 	.div_switch_shift = _sh
316f9ba9b4SAlexandre Belloni 
326f9ba9b4SAlexandre Belloni #define BERLIN2_DIV_D3SWITCH(_off, _sh)	\
336f9ba9b4SAlexandre Belloni 	.div3_switch_offs = _off,	\
346f9ba9b4SAlexandre Belloni 	.div3_switch_shift = _sh
356f9ba9b4SAlexandre Belloni 
366f9ba9b4SAlexandre Belloni #define BERLIN2_DIV_GATE(_off, _sh)	\
376f9ba9b4SAlexandre Belloni 	.gate_offs = _off,		\
386f9ba9b4SAlexandre Belloni 	.gate_shift = _sh
396f9ba9b4SAlexandre Belloni 
406f9ba9b4SAlexandre Belloni #define BERLIN2_SINGLE_DIV(_off)	\
416f9ba9b4SAlexandre Belloni 	BERLIN2_DIV_GATE(_off, 0),	\
426f9ba9b4SAlexandre Belloni 	BERLIN2_PLL_SELECT(_off, 1),	\
436f9ba9b4SAlexandre Belloni 	BERLIN2_PLL_SWITCH(_off, 4),	\
446f9ba9b4SAlexandre Belloni 	BERLIN2_DIV_SWITCH(_off, 5),	\
456f9ba9b4SAlexandre Belloni 	BERLIN2_DIV_D3SWITCH(_off, 6),	\
466f9ba9b4SAlexandre Belloni 	BERLIN2_DIV_SELECT(_off, 7)
476f9ba9b4SAlexandre Belloni 
486f9ba9b4SAlexandre Belloni struct berlin2_div_map {
496f9ba9b4SAlexandre Belloni 	u16 pll_select_offs;
506f9ba9b4SAlexandre Belloni 	u16 pll_switch_offs;
516f9ba9b4SAlexandre Belloni 	u16 div_select_offs;
526f9ba9b4SAlexandre Belloni 	u16 div_switch_offs;
536f9ba9b4SAlexandre Belloni 	u16 div3_switch_offs;
546f9ba9b4SAlexandre Belloni 	u16 gate_offs;
556f9ba9b4SAlexandre Belloni 	u8 pll_select_shift;
566f9ba9b4SAlexandre Belloni 	u8 pll_switch_shift;
576f9ba9b4SAlexandre Belloni 	u8 div_select_shift;
586f9ba9b4SAlexandre Belloni 	u8 div_switch_shift;
596f9ba9b4SAlexandre Belloni 	u8 div3_switch_shift;
606f9ba9b4SAlexandre Belloni 	u8 gate_shift;
616f9ba9b4SAlexandre Belloni };
626f9ba9b4SAlexandre Belloni 
636f9ba9b4SAlexandre Belloni struct berlin2_div_data {
646f9ba9b4SAlexandre Belloni 	const char *name;
656f9ba9b4SAlexandre Belloni 	const u8 *parent_ids;
666f9ba9b4SAlexandre Belloni 	int num_parents;
676f9ba9b4SAlexandre Belloni 	unsigned long flags;
686f9ba9b4SAlexandre Belloni 	struct berlin2_div_map map;
696f9ba9b4SAlexandre Belloni 	u8 div_flags;
706f9ba9b4SAlexandre Belloni };
716f9ba9b4SAlexandre Belloni 
72f6475e29SStephen Boyd struct clk_hw *
736f9ba9b4SAlexandre Belloni berlin2_div_register(const struct berlin2_div_map *map,
746f9ba9b4SAlexandre Belloni 	     void __iomem *base,  const char *name, u8 div_flags,
756f9ba9b4SAlexandre Belloni 	     const char **parent_names, int num_parents,
766f9ba9b4SAlexandre Belloni 	     unsigned long flags,  spinlock_t *lock);
776f9ba9b4SAlexandre Belloni 
786f9ba9b4SAlexandre Belloni #endif /* __BERLIN2_DIV_H */
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