1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
4 */
5
6#include <linux/clk-provider.h>
7#include <linux/err.h>
8#include <linux/kernel.h>
9#include <linux/module.h>
10#include <linux/of.h>
11#include <linux/platform_device.h>
12#include <soc/qcom/cmd-db.h>
13#include <soc/qcom/rpmh.h>
14#include <soc/qcom/tcs.h>
15
16#include <dt-bindings/clock/qcom,rpmh.h>
17
18#define CLK_RPMH_ARC_EN_OFFSET 0
19#define CLK_RPMH_VRM_EN_OFFSET 4
20
21/**
22 * struct bcm_db - Auxiliary data pertaining to each Bus Clock Manager(BCM)
23 * @unit: divisor used to convert Hz value to an RPMh msg
24 * @width: multiplier used to convert Hz value to an RPMh msg
25 * @vcd: virtual clock domain that this bcm belongs to
26 * @reserved: reserved to pad the struct
27 */
28struct bcm_db {
29 __le32 unit;
30 __le16 width;
31 u8 vcd;
32 u8 reserved;
33};
34
35/**
36 * struct clk_rpmh - individual rpmh clock data structure
37 * @hw: handle between common and hardware-specific interfaces
38 * @res_name: resource name for the rpmh clock
39 * @div: clock divider to compute the clock rate
40 * @res_addr: base address of the rpmh resource within the RPMh
41 * @res_on_val: rpmh clock enable value
42 * @state: rpmh clock requested state
43 * @aggr_state: rpmh clock aggregated state
44 * @last_sent_aggr_state: rpmh clock last aggr state sent to RPMh
45 * @valid_state_mask: mask to determine the state of the rpmh clock
46 * @unit: divisor to convert rate to rpmh msg in magnitudes of Khz
47 * @dev: device to which it is attached
48 * @peer: pointer to the clock rpmh sibling
49 */
50struct clk_rpmh {
51 struct clk_hw hw;
52 const char *res_name;
53 u8 div;
54 u32 res_addr;
55 u32 res_on_val;
56 u32 state;
57 u32 aggr_state;
58 u32 last_sent_aggr_state;
59 u32 valid_state_mask;
60 u32 unit;
61 struct device *dev;
62 struct clk_rpmh *peer;
63};
64
65struct clk_rpmh_desc {
66 struct clk_hw **clks;
67 size_t num_clks;
68};
69
70static DEFINE_MUTEX(rpmh_clk_lock);
71
72#define __DEFINE_CLK_RPMH(_name, _clk_name, _res_name, \
73 _res_en_offset, _res_on, _div) \
74 static struct clk_rpmh clk_rpmh_##_clk_name##_ao; \
75 static struct clk_rpmh clk_rpmh_##_clk_name = { \
76 .res_name = _res_name, \
77 .res_addr = _res_en_offset, \
78 .res_on_val = _res_on, \
79 .div = _div, \
80 .peer = &clk_rpmh_##_clk_name##_ao, \
81 .valid_state_mask = (BIT(RPMH_WAKE_ONLY_STATE) | \
82 BIT(RPMH_ACTIVE_ONLY_STATE) | \
83 BIT(RPMH_SLEEP_STATE)), \
84 .hw.init = &(struct clk_init_data){ \
85 .ops = &clk_rpmh_ops, \
86 .name = #_name, \
87 .parent_data = &(const struct clk_parent_data){ \
88 .fw_name = "xo", \
89 .name = "xo_board", \
90 }, \
91 .num_parents = 1, \
92 }, \
93 }; \
94 static struct clk_rpmh clk_rpmh_##_clk_name##_ao= { \
95 .res_name = _res_name, \
96 .res_addr = _res_en_offset, \
97 .res_on_val = _res_on, \
98 .div = _div, \
99 .peer = &clk_rpmh_##_clk_name, \
100 .valid_state_mask = (BIT(RPMH_WAKE_ONLY_STATE) | \
101 BIT(RPMH_ACTIVE_ONLY_STATE)), \
102 .hw.init = &(struct clk_init_data){ \
103 .ops = &clk_rpmh_ops, \
104 .name = #_name "_ao", \
105 .parent_data = &(const struct clk_parent_data){ \
106 .fw_name = "xo", \
107 .name = "xo_board", \
108 }, \
109 .num_parents = 1, \
110 }, \
111 }
112
113#define DEFINE_CLK_RPMH_ARC(_name, _res_name, _res_on, _div) \
114 __DEFINE_CLK_RPMH(_name, _name##_##div##_div, _res_name, \
115 CLK_RPMH_ARC_EN_OFFSET, _res_on, _div)
116
117#define DEFINE_CLK_RPMH_VRM(_name, _suffix, _res_name, _div) \
118 __DEFINE_CLK_RPMH(_name, _name##_suffix, _res_name, \
119 CLK_RPMH_VRM_EN_OFFSET, 1, _div)
120
121#define DEFINE_CLK_RPMH_BCM(_name, _res_name) \
122 static struct clk_rpmh clk_rpmh_##_name = { \
123 .res_name = _res_name, \
124 .valid_state_mask = BIT(RPMH_ACTIVE_ONLY_STATE), \
125 .div = 1, \
126 .hw.init = &(struct clk_init_data){ \
127 .ops = &clk_rpmh_bcm_ops, \
128 .name = #_name, \
129 }, \
130 }
131
132static inline struct clk_rpmh *to_clk_rpmh(struct clk_hw *_hw)
133{
134 return container_of(_hw, struct clk_rpmh, hw);
135}
136
137static inline bool has_state_changed(struct clk_rpmh *c, u32 state)
138{
139 return (c->last_sent_aggr_state & BIT(state))
140 != (c->aggr_state & BIT(state));
141}
142
143static int clk_rpmh_send(struct clk_rpmh *c, enum rpmh_state state,
144 struct tcs_cmd *cmd, bool wait)
145{
146 if (wait)
147 return rpmh_write(dev: c->dev, state, cmd, n: 1);
148
149 return rpmh_write_async(dev: c->dev, state, cmd, n: 1);
150}
151
152static int clk_rpmh_send_aggregate_command(struct clk_rpmh *c)
153{
154 struct tcs_cmd cmd = { 0 };
155 u32 cmd_state, on_val;
156 enum rpmh_state state = RPMH_SLEEP_STATE;
157 int ret;
158 bool wait;
159
160 cmd.addr = c->res_addr;
161 cmd_state = c->aggr_state;
162 on_val = c->res_on_val;
163
164 for (; state <= RPMH_ACTIVE_ONLY_STATE; state++) {
165 if (has_state_changed(c, state)) {
166 if (cmd_state & BIT(state))
167 cmd.data = on_val;
168
169 wait = cmd_state && state == RPMH_ACTIVE_ONLY_STATE;
170 ret = clk_rpmh_send(c, state, cmd: &cmd, wait);
171 if (ret) {
172 dev_err(c->dev, "set %s state of %s failed: (%d)\n",
173 !state ? "sleep" :
174 state == RPMH_WAKE_ONLY_STATE ?
175 "wake" : "active", c->res_name, ret);
176 return ret;
177 }
178 }
179 }
180
181 c->last_sent_aggr_state = c->aggr_state;
182 c->peer->last_sent_aggr_state = c->last_sent_aggr_state;
183
184 return 0;
185}
186
187/*
188 * Update state and aggregate state values based on enable value.
189 */
190static int clk_rpmh_aggregate_state_send_command(struct clk_rpmh *c,
191 bool enable)
192{
193 int ret;
194
195 c->state = enable ? c->valid_state_mask : 0;
196 c->aggr_state = c->state | c->peer->state;
197 c->peer->aggr_state = c->aggr_state;
198
199 ret = clk_rpmh_send_aggregate_command(c);
200 if (!ret)
201 return 0;
202
203 if (ret && enable)
204 c->state = 0;
205 else if (ret)
206 c->state = c->valid_state_mask;
207
208 WARN(1, "clk: %s failed to %s\n", c->res_name,
209 enable ? "enable" : "disable");
210 return ret;
211}
212
213static int clk_rpmh_prepare(struct clk_hw *hw)
214{
215 struct clk_rpmh *c = to_clk_rpmh(hw: hw);
216 int ret = 0;
217
218 mutex_lock(&rpmh_clk_lock);
219 ret = clk_rpmh_aggregate_state_send_command(c, enable: true);
220 mutex_unlock(lock: &rpmh_clk_lock);
221
222 return ret;
223}
224
225static void clk_rpmh_unprepare(struct clk_hw *hw)
226{
227 struct clk_rpmh *c = to_clk_rpmh(hw: hw);
228
229 mutex_lock(&rpmh_clk_lock);
230 clk_rpmh_aggregate_state_send_command(c, enable: false);
231 mutex_unlock(lock: &rpmh_clk_lock);
232};
233
234static unsigned long clk_rpmh_recalc_rate(struct clk_hw *hw,
235 unsigned long prate)
236{
237 struct clk_rpmh *r = to_clk_rpmh(hw: hw);
238
239 /*
240 * RPMh clocks have a fixed rate. Return static rate.
241 */
242 return prate / r->div;
243}
244
245static const struct clk_ops clk_rpmh_ops = {
246 .prepare = clk_rpmh_prepare,
247 .unprepare = clk_rpmh_unprepare,
248 .recalc_rate = clk_rpmh_recalc_rate,
249};
250
251static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable)
252{
253 struct tcs_cmd cmd = { 0 };
254 u32 cmd_state;
255 int ret = 0;
256
257 mutex_lock(&rpmh_clk_lock);
258 if (enable) {
259 cmd_state = 1;
260 if (c->aggr_state)
261 cmd_state = c->aggr_state;
262 } else {
263 cmd_state = 0;
264 }
265
266 if (c->last_sent_aggr_state != cmd_state) {
267 cmd.addr = c->res_addr;
268 cmd.data = BCM_TCS_CMD(1, enable, 0, cmd_state);
269
270 /*
271 * Send only an active only state request. RPMh continues to
272 * use the active state when we're in sleep/wake state as long
273 * as the sleep/wake state has never been set.
274 */
275 ret = clk_rpmh_send(c, state: RPMH_ACTIVE_ONLY_STATE, cmd: &cmd, wait: enable);
276 if (ret) {
277 dev_err(c->dev, "set active state of %s failed: (%d)\n",
278 c->res_name, ret);
279 } else {
280 c->last_sent_aggr_state = cmd_state;
281 }
282 }
283
284 mutex_unlock(lock: &rpmh_clk_lock);
285
286 return ret;
287}
288
289static int clk_rpmh_bcm_prepare(struct clk_hw *hw)
290{
291 struct clk_rpmh *c = to_clk_rpmh(hw: hw);
292
293 return clk_rpmh_bcm_send_cmd(c, enable: true);
294}
295
296static void clk_rpmh_bcm_unprepare(struct clk_hw *hw)
297{
298 struct clk_rpmh *c = to_clk_rpmh(hw: hw);
299
300 clk_rpmh_bcm_send_cmd(c, enable: false);
301}
302
303static int clk_rpmh_bcm_set_rate(struct clk_hw *hw, unsigned long rate,
304 unsigned long parent_rate)
305{
306 struct clk_rpmh *c = to_clk_rpmh(hw: hw);
307
308 c->aggr_state = rate / c->unit;
309 /*
310 * Since any non-zero value sent to hw would result in enabling the
311 * clock, only send the value if the clock has already been prepared.
312 */
313 if (clk_hw_is_prepared(hw))
314 clk_rpmh_bcm_send_cmd(c, enable: true);
315
316 return 0;
317}
318
319static long clk_rpmh_round_rate(struct clk_hw *hw, unsigned long rate,
320 unsigned long *parent_rate)
321{
322 return rate;
323}
324
325static unsigned long clk_rpmh_bcm_recalc_rate(struct clk_hw *hw,
326 unsigned long prate)
327{
328 struct clk_rpmh *c = to_clk_rpmh(hw: hw);
329
330 return c->aggr_state * c->unit;
331}
332
333static const struct clk_ops clk_rpmh_bcm_ops = {
334 .prepare = clk_rpmh_bcm_prepare,
335 .unprepare = clk_rpmh_bcm_unprepare,
336 .set_rate = clk_rpmh_bcm_set_rate,
337 .round_rate = clk_rpmh_round_rate,
338 .recalc_rate = clk_rpmh_bcm_recalc_rate,
339};
340
341/* Resource name must match resource id present in cmd-db */
342DEFINE_CLK_RPMH_ARC(bi_tcxo, "xo.lvl", 0x3, 1);
343DEFINE_CLK_RPMH_ARC(bi_tcxo, "xo.lvl", 0x3, 2);
344DEFINE_CLK_RPMH_ARC(bi_tcxo, "xo.lvl", 0x3, 4);
345DEFINE_CLK_RPMH_ARC(qlink, "qphy.lvl", 0x1, 4);
346
347DEFINE_CLK_RPMH_VRM(ln_bb_clk1, _a2, "lnbclka1", 2);
348DEFINE_CLK_RPMH_VRM(ln_bb_clk2, _a2, "lnbclka2", 2);
349DEFINE_CLK_RPMH_VRM(ln_bb_clk3, _a2, "lnbclka3", 2);
350
351DEFINE_CLK_RPMH_VRM(ln_bb_clk1, _a4, "lnbclka1", 4);
352DEFINE_CLK_RPMH_VRM(ln_bb_clk2, _a4, "lnbclka2", 4);
353DEFINE_CLK_RPMH_VRM(ln_bb_clk3, _a4, "lnbclka3", 4);
354
355DEFINE_CLK_RPMH_VRM(ln_bb_clk2, _g4, "lnbclkg2", 4);
356DEFINE_CLK_RPMH_VRM(ln_bb_clk3, _g4, "lnbclkg3", 4);
357
358DEFINE_CLK_RPMH_VRM(rf_clk1, _a, "rfclka1", 1);
359DEFINE_CLK_RPMH_VRM(rf_clk2, _a, "rfclka2", 1);
360DEFINE_CLK_RPMH_VRM(rf_clk3, _a, "rfclka3", 1);
361DEFINE_CLK_RPMH_VRM(rf_clk4, _a, "rfclka4", 1);
362DEFINE_CLK_RPMH_VRM(rf_clk5, _a, "rfclka5", 1);
363
364DEFINE_CLK_RPMH_VRM(rf_clk1, _d, "rfclkd1", 1);
365DEFINE_CLK_RPMH_VRM(rf_clk2, _d, "rfclkd2", 1);
366DEFINE_CLK_RPMH_VRM(rf_clk3, _d, "rfclkd3", 1);
367DEFINE_CLK_RPMH_VRM(rf_clk4, _d, "rfclkd4", 1);
368
369DEFINE_CLK_RPMH_VRM(clk1, _a1, "clka1", 1);
370DEFINE_CLK_RPMH_VRM(clk2, _a1, "clka2", 1);
371DEFINE_CLK_RPMH_VRM(clk3, _a1, "clka3", 1);
372DEFINE_CLK_RPMH_VRM(clk4, _a1, "clka4", 1);
373DEFINE_CLK_RPMH_VRM(clk5, _a1, "clka5", 1);
374
375DEFINE_CLK_RPMH_VRM(clk3, _a2, "clka3", 2);
376DEFINE_CLK_RPMH_VRM(clk4, _a2, "clka4", 2);
377DEFINE_CLK_RPMH_VRM(clk5, _a2, "clka5", 2);
378DEFINE_CLK_RPMH_VRM(clk6, _a2, "clka6", 2);
379DEFINE_CLK_RPMH_VRM(clk7, _a2, "clka7", 2);
380DEFINE_CLK_RPMH_VRM(clk8, _a2, "clka8", 2);
381
382DEFINE_CLK_RPMH_VRM(div_clk1, _div2, "divclka1", 2);
383
384DEFINE_CLK_RPMH_BCM(ce, "CE0");
385DEFINE_CLK_RPMH_BCM(hwkm, "HK0");
386DEFINE_CLK_RPMH_BCM(ipa, "IP0");
387DEFINE_CLK_RPMH_BCM(pka, "PKA0");
388DEFINE_CLK_RPMH_BCM(qpic_clk, "QP0");
389
390static struct clk_hw *sdm845_rpmh_clocks[] = {
391 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
392 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
393 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a2.hw,
394 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a2_ao.hw,
395 [RPMH_LN_BB_CLK3] = &clk_rpmh_ln_bb_clk3_a2.hw,
396 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_ln_bb_clk3_a2_ao.hw,
397 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
398 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
399 [RPMH_RF_CLK2] = &clk_rpmh_rf_clk2_a.hw,
400 [RPMH_RF_CLK2_A] = &clk_rpmh_rf_clk2_a_ao.hw,
401 [RPMH_RF_CLK3] = &clk_rpmh_rf_clk3_a.hw,
402 [RPMH_RF_CLK3_A] = &clk_rpmh_rf_clk3_a_ao.hw,
403 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
404 [RPMH_CE_CLK] = &clk_rpmh_ce.hw,
405};
406
407static const struct clk_rpmh_desc clk_rpmh_sdm845 = {
408 .clks = sdm845_rpmh_clocks,
409 .num_clks = ARRAY_SIZE(sdm845_rpmh_clocks),
410};
411
412static struct clk_hw *sa8775p_rpmh_clocks[] = {
413 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
414 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
415 [RPMH_LN_BB_CLK1] = &clk_rpmh_ln_bb_clk1_a2.hw,
416 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a2.hw,
417 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a4_ao.hw,
418 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
419 [RPMH_PKA_CLK] = &clk_rpmh_pka.hw,
420 [RPMH_HWKM_CLK] = &clk_rpmh_hwkm.hw,
421};
422
423static const struct clk_rpmh_desc clk_rpmh_sa8775p = {
424 .clks = sa8775p_rpmh_clocks,
425 .num_clks = ARRAY_SIZE(sa8775p_rpmh_clocks),
426};
427
428static struct clk_hw *sdm670_rpmh_clocks[] = {
429 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
430 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
431 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a2.hw,
432 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a2_ao.hw,
433 [RPMH_LN_BB_CLK3] = &clk_rpmh_ln_bb_clk3_a2.hw,
434 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_ln_bb_clk3_a2_ao.hw,
435 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
436 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
437 [RPMH_RF_CLK2] = &clk_rpmh_rf_clk2_a.hw,
438 [RPMH_RF_CLK2_A] = &clk_rpmh_rf_clk2_a_ao.hw,
439 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
440 [RPMH_CE_CLK] = &clk_rpmh_ce.hw,
441};
442
443static const struct clk_rpmh_desc clk_rpmh_sdm670 = {
444 .clks = sdm670_rpmh_clocks,
445 .num_clks = ARRAY_SIZE(sdm670_rpmh_clocks),
446};
447
448static struct clk_hw *sdx55_rpmh_clocks[] = {
449 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
450 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
451 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_d.hw,
452 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_d_ao.hw,
453 [RPMH_RF_CLK2] = &clk_rpmh_rf_clk2_d.hw,
454 [RPMH_RF_CLK2_A] = &clk_rpmh_rf_clk2_d_ao.hw,
455 [RPMH_QPIC_CLK] = &clk_rpmh_qpic_clk.hw,
456 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
457};
458
459static const struct clk_rpmh_desc clk_rpmh_sdx55 = {
460 .clks = sdx55_rpmh_clocks,
461 .num_clks = ARRAY_SIZE(sdx55_rpmh_clocks),
462};
463
464static struct clk_hw *sm8150_rpmh_clocks[] = {
465 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
466 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
467 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a2.hw,
468 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a2_ao.hw,
469 [RPMH_LN_BB_CLK3] = &clk_rpmh_ln_bb_clk3_a2.hw,
470 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_ln_bb_clk3_a2_ao.hw,
471 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
472 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
473 [RPMH_RF_CLK2] = &clk_rpmh_rf_clk2_a.hw,
474 [RPMH_RF_CLK2_A] = &clk_rpmh_rf_clk2_a_ao.hw,
475 [RPMH_RF_CLK3] = &clk_rpmh_rf_clk3_a.hw,
476 [RPMH_RF_CLK3_A] = &clk_rpmh_rf_clk3_a_ao.hw,
477 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
478};
479
480static const struct clk_rpmh_desc clk_rpmh_sm8150 = {
481 .clks = sm8150_rpmh_clocks,
482 .num_clks = ARRAY_SIZE(sm8150_rpmh_clocks),
483};
484
485static struct clk_hw *sc7180_rpmh_clocks[] = {
486 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
487 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
488 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a2.hw,
489 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a2_ao.hw,
490 [RPMH_LN_BB_CLK3] = &clk_rpmh_ln_bb_clk3_a2.hw,
491 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_ln_bb_clk3_a2_ao.hw,
492 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
493 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
494 [RPMH_RF_CLK2] = &clk_rpmh_rf_clk2_a.hw,
495 [RPMH_RF_CLK2_A] = &clk_rpmh_rf_clk2_a_ao.hw,
496 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
497};
498
499static const struct clk_rpmh_desc clk_rpmh_sc7180 = {
500 .clks = sc7180_rpmh_clocks,
501 .num_clks = ARRAY_SIZE(sc7180_rpmh_clocks),
502};
503
504static struct clk_hw *sc8180x_rpmh_clocks[] = {
505 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
506 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
507 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a2.hw,
508 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a2_ao.hw,
509 [RPMH_LN_BB_CLK3] = &clk_rpmh_ln_bb_clk3_a2.hw,
510 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_ln_bb_clk3_a2_ao.hw,
511 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_d.hw,
512 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_d_ao.hw,
513 [RPMH_RF_CLK2] = &clk_rpmh_rf_clk2_d.hw,
514 [RPMH_RF_CLK2_A] = &clk_rpmh_rf_clk2_d_ao.hw,
515 [RPMH_RF_CLK3] = &clk_rpmh_rf_clk3_d.hw,
516 [RPMH_RF_CLK3_A] = &clk_rpmh_rf_clk3_d_ao.hw,
517 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
518};
519
520static const struct clk_rpmh_desc clk_rpmh_sc8180x = {
521 .clks = sc8180x_rpmh_clocks,
522 .num_clks = ARRAY_SIZE(sc8180x_rpmh_clocks),
523};
524
525static struct clk_hw *sm8250_rpmh_clocks[] = {
526 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
527 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
528 [RPMH_LN_BB_CLK1] = &clk_rpmh_ln_bb_clk1_a2.hw,
529 [RPMH_LN_BB_CLK1_A] = &clk_rpmh_ln_bb_clk1_a2_ao.hw,
530 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a2.hw,
531 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a2_ao.hw,
532 [RPMH_LN_BB_CLK3] = &clk_rpmh_ln_bb_clk3_a2.hw,
533 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_ln_bb_clk3_a2_ao.hw,
534 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
535 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
536 [RPMH_RF_CLK3] = &clk_rpmh_rf_clk3_a.hw,
537 [RPMH_RF_CLK3_A] = &clk_rpmh_rf_clk3_a_ao.hw,
538 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
539};
540
541static const struct clk_rpmh_desc clk_rpmh_sm8250 = {
542 .clks = sm8250_rpmh_clocks,
543 .num_clks = ARRAY_SIZE(sm8250_rpmh_clocks),
544};
545
546static struct clk_hw *sm8350_rpmh_clocks[] = {
547 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
548 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
549 [RPMH_DIV_CLK1] = &clk_rpmh_div_clk1_div2.hw,
550 [RPMH_DIV_CLK1_A] = &clk_rpmh_div_clk1_div2_ao.hw,
551 [RPMH_LN_BB_CLK1] = &clk_rpmh_ln_bb_clk1_a2.hw,
552 [RPMH_LN_BB_CLK1_A] = &clk_rpmh_ln_bb_clk1_a2_ao.hw,
553 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a2.hw,
554 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a2_ao.hw,
555 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
556 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
557 [RPMH_RF_CLK3] = &clk_rpmh_rf_clk3_a.hw,
558 [RPMH_RF_CLK3_A] = &clk_rpmh_rf_clk3_a_ao.hw,
559 [RPMH_RF_CLK4] = &clk_rpmh_rf_clk4_a.hw,
560 [RPMH_RF_CLK4_A] = &clk_rpmh_rf_clk4_a_ao.hw,
561 [RPMH_RF_CLK5] = &clk_rpmh_rf_clk5_a.hw,
562 [RPMH_RF_CLK5_A] = &clk_rpmh_rf_clk5_a_ao.hw,
563 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
564 [RPMH_PKA_CLK] = &clk_rpmh_pka.hw,
565 [RPMH_HWKM_CLK] = &clk_rpmh_hwkm.hw,
566};
567
568static const struct clk_rpmh_desc clk_rpmh_sm8350 = {
569 .clks = sm8350_rpmh_clocks,
570 .num_clks = ARRAY_SIZE(sm8350_rpmh_clocks),
571};
572
573static struct clk_hw *sc8280xp_rpmh_clocks[] = {
574 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
575 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
576 [RPMH_LN_BB_CLK3] = &clk_rpmh_ln_bb_clk3_a2.hw,
577 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_ln_bb_clk3_a2_ao.hw,
578 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
579 [RPMH_PKA_CLK] = &clk_rpmh_pka.hw,
580 [RPMH_HWKM_CLK] = &clk_rpmh_hwkm.hw,
581};
582
583static const struct clk_rpmh_desc clk_rpmh_sc8280xp = {
584 .clks = sc8280xp_rpmh_clocks,
585 .num_clks = ARRAY_SIZE(sc8280xp_rpmh_clocks),
586};
587
588static struct clk_hw *sm8450_rpmh_clocks[] = {
589 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div4.hw,
590 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div4_ao.hw,
591 [RPMH_LN_BB_CLK1] = &clk_rpmh_ln_bb_clk1_a4.hw,
592 [RPMH_LN_BB_CLK1_A] = &clk_rpmh_ln_bb_clk1_a4_ao.hw,
593 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a4.hw,
594 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a4_ao.hw,
595 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
596 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
597 [RPMH_RF_CLK2] = &clk_rpmh_rf_clk2_a.hw,
598 [RPMH_RF_CLK2_A] = &clk_rpmh_rf_clk2_a_ao.hw,
599 [RPMH_RF_CLK3] = &clk_rpmh_rf_clk3_a.hw,
600 [RPMH_RF_CLK3_A] = &clk_rpmh_rf_clk3_a_ao.hw,
601 [RPMH_RF_CLK4] = &clk_rpmh_rf_clk4_a.hw,
602 [RPMH_RF_CLK4_A] = &clk_rpmh_rf_clk4_a_ao.hw,
603 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
604};
605
606static const struct clk_rpmh_desc clk_rpmh_sm8450 = {
607 .clks = sm8450_rpmh_clocks,
608 .num_clks = ARRAY_SIZE(sm8450_rpmh_clocks),
609};
610
611static struct clk_hw *sm8550_rpmh_clocks[] = {
612 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
613 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
614 [RPMH_LN_BB_CLK1] = &clk_rpmh_clk6_a2.hw,
615 [RPMH_LN_BB_CLK1_A] = &clk_rpmh_clk6_a2_ao.hw,
616 [RPMH_LN_BB_CLK2] = &clk_rpmh_clk7_a2.hw,
617 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_clk7_a2_ao.hw,
618 [RPMH_LN_BB_CLK3] = &clk_rpmh_clk8_a2.hw,
619 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_clk8_a2_ao.hw,
620 [RPMH_RF_CLK1] = &clk_rpmh_clk1_a1.hw,
621 [RPMH_RF_CLK1_A] = &clk_rpmh_clk1_a1_ao.hw,
622 [RPMH_RF_CLK2] = &clk_rpmh_clk2_a1.hw,
623 [RPMH_RF_CLK2_A] = &clk_rpmh_clk2_a1_ao.hw,
624 [RPMH_RF_CLK3] = &clk_rpmh_clk3_a1.hw,
625 [RPMH_RF_CLK3_A] = &clk_rpmh_clk3_a1_ao.hw,
626 [RPMH_RF_CLK4] = &clk_rpmh_clk4_a1.hw,
627 [RPMH_RF_CLK4_A] = &clk_rpmh_clk4_a1_ao.hw,
628 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
629};
630
631static const struct clk_rpmh_desc clk_rpmh_sm8550 = {
632 .clks = sm8550_rpmh_clocks,
633 .num_clks = ARRAY_SIZE(sm8550_rpmh_clocks),
634};
635
636static struct clk_hw *sm8650_rpmh_clocks[] = {
637 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
638 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
639 [RPMH_LN_BB_CLK1] = &clk_rpmh_clk6_a2.hw,
640 [RPMH_LN_BB_CLK1_A] = &clk_rpmh_clk6_a2_ao.hw,
641 [RPMH_LN_BB_CLK2] = &clk_rpmh_clk7_a2.hw,
642 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_clk7_a2_ao.hw,
643 [RPMH_LN_BB_CLK3] = &clk_rpmh_clk8_a2.hw,
644 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_clk8_a2_ao.hw,
645 [RPMH_RF_CLK1] = &clk_rpmh_clk1_a1.hw,
646 [RPMH_RF_CLK1_A] = &clk_rpmh_clk1_a1_ao.hw,
647 [RPMH_RF_CLK2] = &clk_rpmh_clk2_a1.hw,
648 [RPMH_RF_CLK2_A] = &clk_rpmh_clk2_a1_ao.hw,
649 /*
650 * The clka3 RPMh resource is missing in cmd-db
651 * for current platforms, while the clka3 exists
652 * on the PMK8550, the clock is unconnected and
653 * unused.
654 */
655 [RPMH_RF_CLK4] = &clk_rpmh_clk4_a2.hw,
656 [RPMH_RF_CLK4_A] = &clk_rpmh_clk4_a2_ao.hw,
657 [RPMH_RF_CLK5] = &clk_rpmh_clk5_a2.hw,
658 [RPMH_RF_CLK5_A] = &clk_rpmh_clk5_a2_ao.hw,
659 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
660};
661
662static const struct clk_rpmh_desc clk_rpmh_sm8650 = {
663 .clks = sm8650_rpmh_clocks,
664 .num_clks = ARRAY_SIZE(sm8650_rpmh_clocks),
665};
666
667static struct clk_hw *sc7280_rpmh_clocks[] = {
668 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div4.hw,
669 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div4_ao.hw,
670 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a2.hw,
671 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a2_ao.hw,
672 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
673 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
674 [RPMH_RF_CLK3] = &clk_rpmh_rf_clk3_a.hw,
675 [RPMH_RF_CLK3_A] = &clk_rpmh_rf_clk3_a_ao.hw,
676 [RPMH_RF_CLK4] = &clk_rpmh_rf_clk4_a.hw,
677 [RPMH_RF_CLK4_A] = &clk_rpmh_rf_clk4_a_ao.hw,
678 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
679 [RPMH_PKA_CLK] = &clk_rpmh_pka.hw,
680 [RPMH_HWKM_CLK] = &clk_rpmh_hwkm.hw,
681};
682
683static const struct clk_rpmh_desc clk_rpmh_sc7280 = {
684 .clks = sc7280_rpmh_clocks,
685 .num_clks = ARRAY_SIZE(sc7280_rpmh_clocks),
686};
687
688static struct clk_hw *sm6350_rpmh_clocks[] = {
689 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div4.hw,
690 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div4_ao.hw,
691 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_g4.hw,
692 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_g4_ao.hw,
693 [RPMH_LN_BB_CLK3] = &clk_rpmh_ln_bb_clk3_g4.hw,
694 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_ln_bb_clk3_g4_ao.hw,
695 [RPMH_QLINK_CLK] = &clk_rpmh_qlink_div4.hw,
696 [RPMH_QLINK_CLK_A] = &clk_rpmh_qlink_div4_ao.hw,
697 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
698};
699
700static const struct clk_rpmh_desc clk_rpmh_sm6350 = {
701 .clks = sm6350_rpmh_clocks,
702 .num_clks = ARRAY_SIZE(sm6350_rpmh_clocks),
703};
704
705static struct clk_hw *sdx65_rpmh_clocks[] = {
706 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div4.hw,
707 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div4_ao.hw,
708 [RPMH_LN_BB_CLK1] = &clk_rpmh_ln_bb_clk1_a4.hw,
709 [RPMH_LN_BB_CLK1_A] = &clk_rpmh_ln_bb_clk1_a4_ao.hw,
710 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
711 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
712 [RPMH_RF_CLK2] = &clk_rpmh_rf_clk2_a.hw,
713 [RPMH_RF_CLK2_A] = &clk_rpmh_rf_clk2_a_ao.hw,
714 [RPMH_RF_CLK3] = &clk_rpmh_rf_clk3_a.hw,
715 [RPMH_RF_CLK3_A] = &clk_rpmh_rf_clk3_a_ao.hw,
716 [RPMH_RF_CLK4] = &clk_rpmh_rf_clk4_a.hw,
717 [RPMH_RF_CLK4_A] = &clk_rpmh_rf_clk4_a_ao.hw,
718 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
719 [RPMH_QPIC_CLK] = &clk_rpmh_qpic_clk.hw,
720};
721
722static const struct clk_rpmh_desc clk_rpmh_sdx65 = {
723 .clks = sdx65_rpmh_clocks,
724 .num_clks = ARRAY_SIZE(sdx65_rpmh_clocks),
725};
726
727static struct clk_hw *qdu1000_rpmh_clocks[] = {
728 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div1.hw,
729 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div1_ao.hw,
730};
731
732static const struct clk_rpmh_desc clk_rpmh_qdu1000 = {
733 .clks = qdu1000_rpmh_clocks,
734 .num_clks = ARRAY_SIZE(qdu1000_rpmh_clocks),
735};
736
737static struct clk_hw *sdx75_rpmh_clocks[] = {
738 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div4.hw,
739 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div4_ao.hw,
740 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
741 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
742 [RPMH_RF_CLK2] = &clk_rpmh_rf_clk2_a.hw,
743 [RPMH_RF_CLK2_A] = &clk_rpmh_rf_clk2_a_ao.hw,
744 [RPMH_RF_CLK3] = &clk_rpmh_rf_clk3_a.hw,
745 [RPMH_RF_CLK3_A] = &clk_rpmh_rf_clk3_a_ao.hw,
746 [RPMH_QPIC_CLK] = &clk_rpmh_qpic_clk.hw,
747 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
748};
749
750static const struct clk_rpmh_desc clk_rpmh_sdx75 = {
751 .clks = sdx75_rpmh_clocks,
752 .num_clks = ARRAY_SIZE(sdx75_rpmh_clocks),
753};
754
755static struct clk_hw *sm4450_rpmh_clocks[] = {
756 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div4.hw,
757 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div4_ao.hw,
758 [RPMH_LN_BB_CLK2] = &clk_rpmh_ln_bb_clk2_a4.hw,
759 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_ln_bb_clk2_a4_ao.hw,
760 [RPMH_LN_BB_CLK3] = &clk_rpmh_ln_bb_clk3_a4.hw,
761 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_ln_bb_clk3_a4_ao.hw,
762 [RPMH_RF_CLK1] = &clk_rpmh_rf_clk1_a.hw,
763 [RPMH_RF_CLK1_A] = &clk_rpmh_rf_clk1_a_ao.hw,
764 [RPMH_RF_CLK5] = &clk_rpmh_rf_clk5_a.hw,
765 [RPMH_RF_CLK5_A] = &clk_rpmh_rf_clk5_a_ao.hw,
766 [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw,
767};
768
769static const struct clk_rpmh_desc clk_rpmh_sm4450 = {
770 .clks = sm4450_rpmh_clocks,
771 .num_clks = ARRAY_SIZE(sm4450_rpmh_clocks),
772};
773
774static struct clk_hw *x1e80100_rpmh_clocks[] = {
775 [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw,
776 [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw,
777 [RPMH_LN_BB_CLK1] = &clk_rpmh_clk6_a2.hw,
778 [RPMH_LN_BB_CLK1_A] = &clk_rpmh_clk6_a2_ao.hw,
779 [RPMH_LN_BB_CLK2] = &clk_rpmh_clk7_a2.hw,
780 [RPMH_LN_BB_CLK2_A] = &clk_rpmh_clk7_a2_ao.hw,
781 [RPMH_LN_BB_CLK3] = &clk_rpmh_clk8_a2.hw,
782 [RPMH_LN_BB_CLK3_A] = &clk_rpmh_clk8_a2_ao.hw,
783 [RPMH_RF_CLK3] = &clk_rpmh_clk3_a2.hw,
784 [RPMH_RF_CLK3_A] = &clk_rpmh_clk3_a2_ao.hw,
785 [RPMH_RF_CLK4] = &clk_rpmh_clk4_a2.hw,
786 [RPMH_RF_CLK4_A] = &clk_rpmh_clk4_a2_ao.hw,
787 [RPMH_RF_CLK5] = &clk_rpmh_clk5_a2.hw,
788 [RPMH_RF_CLK5_A] = &clk_rpmh_clk5_a2_ao.hw,
789};
790
791static const struct clk_rpmh_desc clk_rpmh_x1e80100 = {
792 .clks = x1e80100_rpmh_clocks,
793 .num_clks = ARRAY_SIZE(x1e80100_rpmh_clocks),
794};
795
796static struct clk_hw *of_clk_rpmh_hw_get(struct of_phandle_args *clkspec,
797 void *data)
798{
799 struct clk_rpmh_desc *rpmh = data;
800 unsigned int idx = clkspec->args[0];
801
802 if (idx >= rpmh->num_clks) {
803 pr_err("%s: invalid index %u\n", __func__, idx);
804 return ERR_PTR(error: -EINVAL);
805 }
806
807 return rpmh->clks[idx];
808}
809
810static int clk_rpmh_probe(struct platform_device *pdev)
811{
812 struct clk_hw **hw_clks;
813 struct clk_rpmh *rpmh_clk;
814 const struct clk_rpmh_desc *desc;
815 int ret, i;
816
817 desc = of_device_get_match_data(dev: &pdev->dev);
818 if (!desc)
819 return -ENODEV;
820
821 hw_clks = desc->clks;
822
823 for (i = 0; i < desc->num_clks; i++) {
824 const char *name;
825 u32 res_addr;
826 size_t aux_data_len;
827 const struct bcm_db *data;
828
829 if (!hw_clks[i])
830 continue;
831
832 name = hw_clks[i]->init->name;
833
834 rpmh_clk = to_clk_rpmh(hw: hw_clks[i]);
835 res_addr = cmd_db_read_addr(resource_id: rpmh_clk->res_name);
836 if (!res_addr) {
837 dev_err(&pdev->dev, "missing RPMh resource address for %s\n",
838 rpmh_clk->res_name);
839 return -ENODEV;
840 }
841
842 data = cmd_db_read_aux_data(resource_id: rpmh_clk->res_name, len: &aux_data_len);
843 if (IS_ERR(ptr: data)) {
844 ret = PTR_ERR(ptr: data);
845 dev_err(&pdev->dev,
846 "error reading RPMh aux data for %s (%d)\n",
847 rpmh_clk->res_name, ret);
848 return ret;
849 }
850
851 /* Convert unit from Khz to Hz */
852 if (aux_data_len == sizeof(*data))
853 rpmh_clk->unit = le32_to_cpu(data->unit) * 1000ULL;
854
855 rpmh_clk->res_addr += res_addr;
856 rpmh_clk->dev = &pdev->dev;
857
858 ret = devm_clk_hw_register(dev: &pdev->dev, hw: hw_clks[i]);
859 if (ret) {
860 dev_err(&pdev->dev, "failed to register %s\n", name);
861 return ret;
862 }
863 }
864
865 /* typecast to silence compiler warning */
866 ret = devm_of_clk_add_hw_provider(dev: &pdev->dev, get: of_clk_rpmh_hw_get,
867 data: (void *)desc);
868 if (ret) {
869 dev_err(&pdev->dev, "Failed to add clock provider\n");
870 return ret;
871 }
872
873 dev_dbg(&pdev->dev, "Registered RPMh clocks\n");
874
875 return 0;
876}
877
878static const struct of_device_id clk_rpmh_match_table[] = {
879 { .compatible = "qcom,qdu1000-rpmh-clk", .data = &clk_rpmh_qdu1000},
880 { .compatible = "qcom,sa8775p-rpmh-clk", .data = &clk_rpmh_sa8775p},
881 { .compatible = "qcom,sc7180-rpmh-clk", .data = &clk_rpmh_sc7180},
882 { .compatible = "qcom,sc8180x-rpmh-clk", .data = &clk_rpmh_sc8180x},
883 { .compatible = "qcom,sc8280xp-rpmh-clk", .data = &clk_rpmh_sc8280xp},
884 { .compatible = "qcom,sdm845-rpmh-clk", .data = &clk_rpmh_sdm845},
885 { .compatible = "qcom,sdm670-rpmh-clk", .data = &clk_rpmh_sdm670},
886 { .compatible = "qcom,sdx55-rpmh-clk", .data = &clk_rpmh_sdx55},
887 { .compatible = "qcom,sdx65-rpmh-clk", .data = &clk_rpmh_sdx65},
888 { .compatible = "qcom,sdx75-rpmh-clk", .data = &clk_rpmh_sdx75},
889 { .compatible = "qcom,sm4450-rpmh-clk", .data = &clk_rpmh_sm4450},
890 { .compatible = "qcom,sm6350-rpmh-clk", .data = &clk_rpmh_sm6350},
891 { .compatible = "qcom,sm8150-rpmh-clk", .data = &clk_rpmh_sm8150},
892 { .compatible = "qcom,sm8250-rpmh-clk", .data = &clk_rpmh_sm8250},
893 { .compatible = "qcom,sm8350-rpmh-clk", .data = &clk_rpmh_sm8350},
894 { .compatible = "qcom,sm8450-rpmh-clk", .data = &clk_rpmh_sm8450},
895 { .compatible = "qcom,sm8550-rpmh-clk", .data = &clk_rpmh_sm8550},
896 { .compatible = "qcom,sm8650-rpmh-clk", .data = &clk_rpmh_sm8650},
897 { .compatible = "qcom,sc7280-rpmh-clk", .data = &clk_rpmh_sc7280},
898 { .compatible = "qcom,x1e80100-rpmh-clk", .data = &clk_rpmh_x1e80100},
899 { }
900};
901MODULE_DEVICE_TABLE(of, clk_rpmh_match_table);
902
903static struct platform_driver clk_rpmh_driver = {
904 .probe = clk_rpmh_probe,
905 .driver = {
906 .name = "clk-rpmh",
907 .of_match_table = clk_rpmh_match_table,
908 },
909};
910
911static int __init clk_rpmh_init(void)
912{
913 return platform_driver_register(&clk_rpmh_driver);
914}
915core_initcall(clk_rpmh_init);
916
917static void __exit clk_rpmh_exit(void)
918{
919 platform_driver_unregister(&clk_rpmh_driver);
920}
921module_exit(clk_rpmh_exit);
922
923MODULE_DESCRIPTION("QCOM RPMh Clock Driver");
924MODULE_LICENSE("GPL v2");
925

source code of linux/drivers/clk/qcom/clk-rpmh.c