1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * TI Clock driver internal definitions
5 * Copyright (C) 2014 Texas Instruments, Inc
8 #ifndef __DRIVERS_CLK_TI_CLOCK__
9 #define __DRIVERS_CLK_TI_CLOCK__
11 struct clk_omap_divider {
13 struct clk_omap_reg reg;
20 const struct clk_div_table *table;
24 #define to_clk_omap_divider(_hw) container_of(_hw, struct clk_omap_divider, hw)
28 struct clk_omap_reg reg;
37 #define to_clk_omap_mux(_hw) container_of(_hw, struct clk_omap_mux, hw)
50 #define CLKF_INDEX_POWER_OF_TWO (1 << 0)
51 #define CLKF_INDEX_STARTS_AT_ONE (1 << 1)
52 #define CLKF_SET_RATE_PARENT (1 << 2)
53 #define CLKF_OMAP3 (1 << 3)
54 #define CLKF_AM35XX (1 << 4)
57 #define CLKF_SET_BIT_TO_DISABLE (1 << 5)
58 #define CLKF_INTERFACE (1 << 6)
59 #define CLKF_SSI (1 << 7)
60 #define CLKF_DSS (1 << 8)
61 #define CLKF_HSOTGUSB (1 << 9)
62 #define CLKF_WAIT (1 << 10)
63 #define CLKF_NO_WAIT (1 << 11)
64 #define CLKF_HSDIV (1 << 12)
65 #define CLKF_CLKDM (1 << 13)
68 #define CLKF_LOW_POWER_STOP (1 << 5)
69 #define CLKF_LOCK (1 << 6)
70 #define CLKF_LOW_POWER_BYPASS (1 << 7)
71 #define CLKF_PER (1 << 8)
72 #define CLKF_CORE (1 << 9)
73 #define CLKF_J_TYPE (1 << 10)
76 #define CLKF_SW_SUP BIT(5)
77 #define CLKF_HW_SUP BIT(6)
78 #define CLKF_NO_IDLEST BIT(7)
80 #define CLKF_SOC_MASK GENMASK(11, 8)
82 #define CLKF_SOC_NONSEC BIT(8)
83 #define CLKF_SOC_DRA72 BIT(9)
84 #define CLKF_SOC_DRA74 BIT(10)
85 #define CLKF_SOC_DRA76 BIT(11)
87 #define CLK(dev, con, ck) \
98 const char *clkdm_name;
101 struct ti_clk *patch;
110 const char * const *parents;
114 struct ti_clk_divider {
133 /* Composite clock component types */
135 CLK_COMPONENT_TYPE_GATE = 0,
136 CLK_COMPONENT_TYPE_DIVIDER,
137 CLK_COMPONENT_TYPE_MUX,
138 CLK_COMPONENT_TYPE_MAX,
142 * struct ti_dt_clk - OMAP DT clock alias declarations
143 * @lk: clock lookup definition
144 * @node_name: clock DT node to map to
147 struct clk_lookup lk;
151 #define DT_CLK(dev, con, name) \
160 /* CLKCTRL type definitions */
161 struct omap_clkctrl_div_data {
167 struct omap_clkctrl_bit_data {
170 const char * const *parents;
174 struct omap_clkctrl_reg_data {
176 const struct omap_clkctrl_bit_data *bit_data;
179 const char *clkdm_name;
182 struct omap_clkctrl_data {
184 const struct omap_clkctrl_reg_data *regs;
187 extern const struct omap_clkctrl_data omap4_clkctrl_data[];
188 extern const struct omap_clkctrl_data omap5_clkctrl_data[];
189 extern const struct omap_clkctrl_data dra7_clkctrl_data[];
190 extern const struct omap_clkctrl_data dra7_clkctrl_compat_data[];
191 extern struct ti_dt_clk dra7xx_compat_clks[];
192 extern const struct omap_clkctrl_data am3_clkctrl_data[];
193 extern const struct omap_clkctrl_data am3_clkctrl_compat_data[];
194 extern struct ti_dt_clk am33xx_compat_clks[];
195 extern const struct omap_clkctrl_data am4_clkctrl_data[];
196 extern const struct omap_clkctrl_data am438x_clkctrl_data[];
197 extern const struct omap_clkctrl_data dm814_clkctrl_data[];
198 extern const struct omap_clkctrl_data dm816_clkctrl_data[];
200 typedef void (*ti_of_clk_init_cb_t)(void *, struct device_node *);
202 struct clk *ti_clk_register(struct device *dev, struct clk_hw *hw,
204 struct clk *ti_clk_register_omap_hw(struct device *dev, struct clk_hw *hw,
206 const char *ti_dt_clk_name(struct device_node *np);
207 int ti_clk_add_alias(struct device *dev, struct clk *clk, const char *con);
208 void ti_clk_add_aliases(void);
210 void ti_clk_latch(struct clk_omap_reg *reg, s8 shift);
212 struct clk_hw *ti_clk_build_component_mux(struct ti_clk_mux *setup);
214 int ti_clk_parse_divider_data(int *div_table, int num_dividers, int max_div,
215 u8 flags, struct clk_omap_divider *div);
217 int ti_clk_get_reg_addr(struct device_node *node, int index,
218 struct clk_omap_reg *reg);
219 void ti_dt_clocks_register(struct ti_dt_clk *oclks);
220 int ti_clk_retry_init(struct device_node *node, void *user,
221 ti_of_clk_init_cb_t func);
222 int ti_clk_add_component(struct device_node *node, struct clk_hw *hw, int type);
224 int of_ti_clk_autoidle_setup(struct device_node *node);
225 void omap2_clk_enable_init_clocks(const char **clk_names, u8 num_clocks);
227 extern const struct clk_hw_omap_ops clkhwops_omap3_dpll;
228 extern const struct clk_hw_omap_ops clkhwops_omap4_dpllmx;
229 extern const struct clk_hw_omap_ops clkhwops_wait;
230 extern const struct clk_hw_omap_ops clkhwops_iclk;
231 extern const struct clk_hw_omap_ops clkhwops_iclk_wait;
232 extern const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait;
233 extern const struct clk_hw_omap_ops clkhwops_omap3430es2_dss_usbhost_wait;
234 extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_hsotgusb_wait;
235 extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_dss_usbhost_wait;
236 extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_ssi_wait;
237 extern const struct clk_hw_omap_ops clkhwops_am35xx_ipss_module_wait;
238 extern const struct clk_hw_omap_ops clkhwops_am35xx_ipss_wait;
240 extern const struct clk_ops ti_clk_divider_ops;
241 extern const struct clk_ops ti_clk_mux_ops;
242 extern const struct clk_ops omap_gate_clk_ops;
244 extern struct ti_clk_features ti_clk_features;
246 int omap2_init_clk_clkdm(struct clk_hw *hw);
247 int omap2_clkops_enable_clkdm(struct clk_hw *hw);
248 void omap2_clkops_disable_clkdm(struct clk_hw *hw);
250 int omap2_dflt_clk_enable(struct clk_hw *hw);
251 void omap2_dflt_clk_disable(struct clk_hw *hw);
252 int omap2_dflt_clk_is_enabled(struct clk_hw *hw);
253 void omap2_clk_dflt_find_companion(struct clk_hw_omap *clk,
254 struct clk_omap_reg *other_reg,
256 void omap2_clk_dflt_find_idlest(struct clk_hw_omap *clk,
257 struct clk_omap_reg *idlest_reg,
258 u8 *idlest_bit, u8 *idlest_val);
260 void omap2_clkt_iclk_allow_idle(struct clk_hw_omap *clk);
261 void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk);
263 u8 omap2_init_dpll_parent(struct clk_hw *hw);
264 int omap3_noncore_dpll_enable(struct clk_hw *hw);
265 void omap3_noncore_dpll_disable(struct clk_hw *hw);
266 int omap3_noncore_dpll_set_parent(struct clk_hw *hw, u8 index);
267 int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
268 unsigned long parent_rate);
269 int omap3_noncore_dpll_set_rate_and_parent(struct clk_hw *hw,
271 unsigned long parent_rate,
273 int omap3_noncore_dpll_determine_rate(struct clk_hw *hw,
274 struct clk_rate_request *req);
275 long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate,
276 unsigned long *parent_rate);
277 unsigned long omap3_clkoutx2_recalc(struct clk_hw *hw,
278 unsigned long parent_rate);
281 * OMAP3_DPLL5_FREQ_FOR_USBHOST: USBHOST and USBTLL are the only clocks
282 * that are sourced by DPLL5, and both of these require this clock
283 * to be at 120 MHz for proper operation.
285 #define OMAP3_DPLL5_FREQ_FOR_USBHOST 120000000
287 unsigned long omap3_dpll_recalc(struct clk_hw *hw, unsigned long parent_rate);
288 int omap3_dpll4_set_rate(struct clk_hw *clk, unsigned long rate,
289 unsigned long parent_rate);
290 int omap3_dpll4_set_rate_and_parent(struct clk_hw *hw, unsigned long rate,
291 unsigned long parent_rate, u8 index);
292 int omap3_dpll5_set_rate(struct clk_hw *hw, unsigned long rate,
293 unsigned long parent_rate);
294 void omap3_clk_lock_dpll5(void);
296 unsigned long omap4_dpll_regm4xen_recalc(struct clk_hw *hw,
297 unsigned long parent_rate);
298 long omap4_dpll_regm4xen_round_rate(struct clk_hw *hw,
299 unsigned long target_rate,
300 unsigned long *parent_rate);
301 int omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw,
302 struct clk_rate_request *req);
303 int omap2_clk_for_each(int (*fn)(struct clk_hw_omap *hw));
305 extern struct ti_clk_ll_ops *ti_clk_ll_ops;