clk/samsung/clk.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
7  * Common Clock Framework support for all Samsung platforms
13 #include <linux/clk-provider.h>
14 #include "clk-pll.h"
15 #include "clk-cpu.h"
18  * struct samsung_clk_provider - information about clock provider
20  * @dev: clock provider device needed for runtime PM
21  * @lock: maintains exclusion between callbacks for a given clock-provider
22  * @clk_data: holds clock related data like clk_hw* and number of clocks
33  * struct samsung_clock_alias - information about mux clock
34  * @id: platform specific id of the clock
35  * @dev_name: name of the device to which this clock belongs
36  * @alias: optional clock alias name to be assigned to this clock
54  * struct samsung_fixed_rate_clock - information about fixed-rate clock
55  * @id: platform specific id of the clock
56  * @name: name of this fixed-rate clock
57  * @parent_name: optional parent clock name
58  * @flags: optional fixed-rate clock flags
59  * @fixed_rate: fixed clock rate of this clock
79  * struct samsung_fixed_factor_clock - information about fixed-factor clock
80  * @id: platform specific id of the clock
81  * @name: name of this fixed-factor clock
82  * @parent_name: parent clock name
83  * @mult: fixed multiplication factor
84  * @div: fixed division factor
85  * @flags: optional fixed-factor clock flags
107  * struct samsung_mux_clock - information about mux clock
108  * @id: platform specific id of the clock
109  * @name: name of this mux clock
110  * @parent_names: array of pointer to parent clock names
112  * @flags: optional flags for basic clock
114  * @shift: starting bit location of the mux control bit-field in @reg
115  * @width: width of the mux control bit-field in @reg
116  * @mux_flags: flags for mux-type clock
149 /* Used by MUX clocks where reparenting on clock rate change is allowed. */
157  * struct samsung_div_clock - information about div clock
158  * @id: platform specific id of the clock
159  * @name: name of this div clock
160  * @parent_name: name of the parent clock
161  * @flags: optional flags for basic clock
163  * @shift: starting bit location of the div control bit-field in @reg
165  * @div_flags: flags for div-type clock
203  * struct samsung_gate_clock - information about gate clock
204  * @id: platform specific id of the clock
205  * @name: name of this gate clock
206  * @parent_name: name of the parent clock
207  * @flags: optional flags for basic clock
209  * @bit_idx: bit index of the gate control bit-field in @reg
210  * @gate_flags: flags for gate-type clock
239  * struct samsung_clk_reg_dump - register dump of clock controller registers
240  * @offset: clock register offset from the controller base address
249  * struct samsung_pll_clock - information about pll clock
250  * @id: platform specific id of the clock
251  * @name: name of this pll clock
252  * @parent_name: name of the parent clock
253  * @flags: optional flags for basic clock
319  * struct samsung_cmu_info - all clocks information needed for CMU registration
328  * @fixed_clks: list of fixed clocks
330  * @fixed_factor_clks: list of fixed factor clocks
335  * @clk_regs: list of clock registers
336  * @nr_clk_regs: count of clock registers in @clk_regs
337  * @suspend_regs: list of clock registers to set before suspend
338  * @nr_suspend_regs: count of clock registers in @suspend_regs
339  * @clk_name: name of the parent clock needed for CMU register access