1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
6 #include <linux/clk-provider.h>
8 #include <linux/kernel.h>
9 #include <linux/module.h>
11 #include <linux/of_device.h>
12 #include <linux/platform_device.h>
13 #include <soc/qcom/cmd-db.h>
14 #include <soc/qcom/rpmh.h>
15 #include <soc/qcom/tcs.h>
17 #include <dt-bindings/clock/qcom,rpmh.h>
19 #define CLK_RPMH_ARC_EN_OFFSET 0
20 #define CLK_RPMH_VRM_EN_OFFSET 4
23 * struct bcm_db - Auxiliary data pertaining to each Bus Clock Manager(BCM)
24 * @unit: divisor used to convert Hz value to an RPMh msg
25 * @width: multiplier used to convert Hz value to an RPMh msg
26 * @vcd: virtual clock domain that this bcm belongs to
27 * @reserved: reserved to pad the struct
37 * struct clk_rpmh - individual rpmh clock data structure
38 * @hw: handle between common and hardware-specific interfaces
39 * @res_name: resource name for the rpmh clock
40 * @div: clock divider to compute the clock rate
41 * @res_addr: base address of the rpmh resource within the RPMh
42 * @res_on_val: rpmh clock enable value
43 * @state: rpmh clock requested state
44 * @aggr_state: rpmh clock aggregated state
45 * @last_sent_aggr_state: rpmh clock last aggr state sent to RPMh
46 * @valid_state_mask: mask to determine the state of the rpmh clock
47 * @unit: divisor to convert rate to rpmh msg in magnitudes of Khz
48 * @dev: device to which it is attached
49 * @peer: pointer to the clock rpmh sibling
59 u32 last_sent_aggr_state;
63 struct clk_rpmh *peer;
66 struct clk_rpmh_desc {
71 static DEFINE_MUTEX(rpmh_clk_lock);
73 #define __DEFINE_CLK_RPMH(_platform, _name, _name_active, _res_name, \
74 _res_en_offset, _res_on, _div) \
75 static struct clk_rpmh _platform##_##_name_active; \
76 static struct clk_rpmh _platform##_##_name = { \
77 .res_name = _res_name, \
78 .res_addr = _res_en_offset, \
79 .res_on_val = _res_on, \
81 .peer = &_platform##_##_name_active, \
82 .valid_state_mask = (BIT(RPMH_WAKE_ONLY_STATE) | \
83 BIT(RPMH_ACTIVE_ONLY_STATE) | \
84 BIT(RPMH_SLEEP_STATE)), \
85 .hw.init = &(struct clk_init_data){ \
86 .ops = &clk_rpmh_ops, \
88 .parent_data = &(const struct clk_parent_data){ \
95 static struct clk_rpmh _platform##_##_name_active = { \
96 .res_name = _res_name, \
97 .res_addr = _res_en_offset, \
98 .res_on_val = _res_on, \
100 .peer = &_platform##_##_name, \
101 .valid_state_mask = (BIT(RPMH_WAKE_ONLY_STATE) | \
102 BIT(RPMH_ACTIVE_ONLY_STATE)), \
103 .hw.init = &(struct clk_init_data){ \
104 .ops = &clk_rpmh_ops, \
105 .name = #_name_active, \
106 .parent_data = &(const struct clk_parent_data){ \
108 .name = "xo_board", \
114 #define DEFINE_CLK_RPMH_ARC(_platform, _name, _name_active, _res_name, \
116 __DEFINE_CLK_RPMH(_platform, _name, _name_active, _res_name, \
117 CLK_RPMH_ARC_EN_OFFSET, _res_on, _div)
119 #define DEFINE_CLK_RPMH_VRM(_platform, _name, _name_active, _res_name, \
121 __DEFINE_CLK_RPMH(_platform, _name, _name_active, _res_name, \
122 CLK_RPMH_VRM_EN_OFFSET, 1, _div)
124 #define DEFINE_CLK_RPMH_BCM(_platform, _name, _res_name) \
125 static struct clk_rpmh _platform##_##_name = { \
126 .res_name = _res_name, \
127 .valid_state_mask = BIT(RPMH_ACTIVE_ONLY_STATE), \
129 .hw.init = &(struct clk_init_data){ \
130 .ops = &clk_rpmh_bcm_ops, \
135 static inline struct clk_rpmh *to_clk_rpmh(struct clk_hw *_hw)
137 return container_of(_hw, struct clk_rpmh, hw);
140 static inline bool has_state_changed(struct clk_rpmh *c, u32 state)
142 return (c->last_sent_aggr_state & BIT(state))
143 != (c->aggr_state & BIT(state));
146 static int clk_rpmh_send(struct clk_rpmh *c, enum rpmh_state state,
147 struct tcs_cmd *cmd, bool wait)
150 return rpmh_write(c->dev, state, cmd, 1);
152 return rpmh_write_async(c->dev, state, cmd, 1);
155 static int clk_rpmh_send_aggregate_command(struct clk_rpmh *c)
157 struct tcs_cmd cmd = { 0 };
158 u32 cmd_state, on_val;
159 enum rpmh_state state = RPMH_SLEEP_STATE;
163 cmd.addr = c->res_addr;
164 cmd_state = c->aggr_state;
165 on_val = c->res_on_val;
167 for (; state <= RPMH_ACTIVE_ONLY_STATE; state++) {
168 if (has_state_changed(c, state)) {
169 if (cmd_state & BIT(state))
172 wait = cmd_state && state == RPMH_ACTIVE_ONLY_STATE;
173 ret = clk_rpmh_send(c, state, &cmd, wait);
175 dev_err(c->dev, "set %s state of %s failed: (%d)\n",
177 state == RPMH_WAKE_ONLY_STATE ?
178 "wake" : "active", c->res_name, ret);
184 c->last_sent_aggr_state = c->aggr_state;
185 c->peer->last_sent_aggr_state = c->last_sent_aggr_state;
191 * Update state and aggregate state values based on enable value.
193 static int clk_rpmh_aggregate_state_send_command(struct clk_rpmh *c,
198 /* Nothing required to be done if already off or on */
199 if (enable == c->state)
202 c->state = enable ? c->valid_state_mask : 0;
203 c->aggr_state = c->state | c->peer->state;
204 c->peer->aggr_state = c->aggr_state;
206 ret = clk_rpmh_send_aggregate_command(c);
213 c->state = c->valid_state_mask;
215 WARN(1, "clk: %s failed to %s\n", c->res_name,
216 enable ? "enable" : "disable");
220 static int clk_rpmh_prepare(struct clk_hw *hw)
222 struct clk_rpmh *c = to_clk_rpmh(hw);
225 mutex_lock(&rpmh_clk_lock);
226 ret = clk_rpmh_aggregate_state_send_command(c, true);
227 mutex_unlock(&rpmh_clk_lock);
232 static void clk_rpmh_unprepare(struct clk_hw *hw)
234 struct clk_rpmh *c = to_clk_rpmh(hw);
236 mutex_lock(&rpmh_clk_lock);
237 clk_rpmh_aggregate_state_send_command(c, false);
238 mutex_unlock(&rpmh_clk_lock);
241 static unsigned long clk_rpmh_recalc_rate(struct clk_hw *hw,
244 struct clk_rpmh *r = to_clk_rpmh(hw);
247 * RPMh clocks have a fixed rate. Return static rate.
249 return prate / r->div;
252 static const struct clk_ops clk_rpmh_ops = {
253 .prepare = clk_rpmh_prepare,
254 .unprepare = clk_rpmh_unprepare,
255 .recalc_rate = clk_rpmh_recalc_rate,
258 static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable)
260 struct tcs_cmd cmd = { 0 };
264 mutex_lock(&rpmh_clk_lock);
268 cmd_state = c->aggr_state;
273 if (c->last_sent_aggr_state != cmd_state) {
274 cmd.addr = c->res_addr;
275 cmd.data = BCM_TCS_CMD(1, enable, 0, cmd_state);
278 * Send only an active only state request. RPMh continues to
279 * use the active state when we're in sleep/wake state as long
280 * as the sleep/wake state has never been set.
282 ret = clk_rpmh_send(c, RPMH_ACTIVE_ONLY_STATE, &cmd, enable);
284 dev_err(c->dev, "set active state of %s failed: (%d)\n",
287 c->last_sent_aggr_state = cmd_state;
291 mutex_unlock(&rpmh_clk_lock);
296 static int clk_rpmh_bcm_prepare(struct clk_hw *hw)
298 struct clk_rpmh *c = to_clk_rpmh(hw);
300 return clk_rpmh_bcm_send_cmd(c, true);
303 static void clk_rpmh_bcm_unprepare(struct clk_hw *hw)
305 struct clk_rpmh *c = to_clk_rpmh(hw);
307 clk_rpmh_bcm_send_cmd(c, false);
310 static int clk_rpmh_bcm_set_rate(struct clk_hw *hw, unsigned long rate,
311 unsigned long parent_rate)
313 struct clk_rpmh *c = to_clk_rpmh(hw);
315 c->aggr_state = rate / c->unit;
317 * Since any non-zero value sent to hw would result in enabling the
318 * clock, only send the value if the clock has already been prepared.
320 if (clk_hw_is_prepared(hw))
321 clk_rpmh_bcm_send_cmd(c, true);
326 static long clk_rpmh_round_rate(struct clk_hw *hw, unsigned long rate,
327 unsigned long *parent_rate)
332 static unsigned long clk_rpmh_bcm_recalc_rate(struct clk_hw *hw,
335 struct clk_rpmh *c = to_clk_rpmh(hw);
337 return c->aggr_state * c->unit;
340 static const struct clk_ops clk_rpmh_bcm_ops = {
341 .prepare = clk_rpmh_bcm_prepare,
342 .unprepare = clk_rpmh_bcm_unprepare,
343 .set_rate = clk_rpmh_bcm_set_rate,
344 .round_rate = clk_rpmh_round_rate,
345 .recalc_rate = clk_rpmh_bcm_recalc_rate,
348 /* Resource name must match resource id present in cmd-db */
349 DEFINE_CLK_RPMH_ARC(sdm845, bi_tcxo, bi_tcxo_ao, "xo.lvl", 0x3, 2);
350 DEFINE_CLK_RPMH_VRM(sdm845, ln_bb_clk2, ln_bb_clk2_ao, "lnbclka2", 2);
351 DEFINE_CLK_RPMH_VRM(sdm845, ln_bb_clk3, ln_bb_clk3_ao, "lnbclka3", 2);
352 DEFINE_CLK_RPMH_VRM(sdm845, rf_clk1, rf_clk1_ao, "rfclka1", 1);
353 DEFINE_CLK_RPMH_VRM(sdm845, rf_clk2, rf_clk2_ao, "rfclka2", 1);
354 DEFINE_CLK_RPMH_VRM(sdm845, rf_clk3, rf_clk3_ao, "rfclka3", 1);
355 DEFINE_CLK_RPMH_VRM(sm8150, rf_clk3, rf_clk3_ao, "rfclka3", 1);
356 DEFINE_CLK_RPMH_VRM(sc8180x, rf_clk1, rf_clk1_ao, "rfclkd1", 1);
357 DEFINE_CLK_RPMH_VRM(sc8180x, rf_clk2, rf_clk2_ao, "rfclkd2", 1);
358 DEFINE_CLK_RPMH_VRM(sc8180x, rf_clk3, rf_clk3_ao, "rfclkd3", 1);
359 DEFINE_CLK_RPMH_VRM(sc8180x, rf_clk4, rf_clk4_ao, "rfclkd4", 1);
360 DEFINE_CLK_RPMH_BCM(sdm845, ipa, "IP0");
361 DEFINE_CLK_RPMH_BCM(sdm845, ce, "CE0");
363 static struct clk_hw *sdm845_rpmh_clocks[] = {
364 [RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw,
365 [RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw,
366 [RPMH_LN_BB_CLK2] = &sdm845_ln_bb_clk2.hw,
367 [RPMH_LN_BB_CLK2_A] = &sdm845_ln_bb_clk2_ao.hw,
368 [RPMH_LN_BB_CLK3] = &sdm845_ln_bb_clk3.hw,
369 [RPMH_LN_BB_CLK3_A] = &sdm845_ln_bb_clk3_ao.hw,
370 [RPMH_RF_CLK1] = &sdm845_rf_clk1.hw,
371 [RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw,
372 [RPMH_RF_CLK2] = &sdm845_rf_clk2.hw,
373 [RPMH_RF_CLK2_A] = &sdm845_rf_clk2_ao.hw,
374 [RPMH_RF_CLK3] = &sdm845_rf_clk3.hw,
375 [RPMH_RF_CLK3_A] = &sdm845_rf_clk3_ao.hw,
376 [RPMH_IPA_CLK] = &sdm845_ipa.hw,
377 [RPMH_CE_CLK] = &sdm845_ce.hw,
380 static const struct clk_rpmh_desc clk_rpmh_sdm845 = {
381 .clks = sdm845_rpmh_clocks,
382 .num_clks = ARRAY_SIZE(sdm845_rpmh_clocks),
385 DEFINE_CLK_RPMH_VRM(sdx55, rf_clk1, rf_clk1_ao, "rfclkd1", 1);
386 DEFINE_CLK_RPMH_VRM(sdx55, rf_clk2, rf_clk2_ao, "rfclkd2", 1);
387 DEFINE_CLK_RPMH_BCM(sdx55, qpic_clk, "QP0");
388 DEFINE_CLK_RPMH_BCM(sdx55, ipa, "IP0");
390 static struct clk_hw *sdx55_rpmh_clocks[] = {
391 [RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw,
392 [RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw,
393 [RPMH_RF_CLK1] = &sdx55_rf_clk1.hw,
394 [RPMH_RF_CLK1_A] = &sdx55_rf_clk1_ao.hw,
395 [RPMH_RF_CLK2] = &sdx55_rf_clk2.hw,
396 [RPMH_RF_CLK2_A] = &sdx55_rf_clk2_ao.hw,
397 [RPMH_QPIC_CLK] = &sdx55_qpic_clk.hw,
398 [RPMH_IPA_CLK] = &sdx55_ipa.hw,
401 static const struct clk_rpmh_desc clk_rpmh_sdx55 = {
402 .clks = sdx55_rpmh_clocks,
403 .num_clks = ARRAY_SIZE(sdx55_rpmh_clocks),
406 static struct clk_hw *sm8150_rpmh_clocks[] = {
407 [RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw,
408 [RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw,
409 [RPMH_LN_BB_CLK2] = &sdm845_ln_bb_clk2.hw,
410 [RPMH_LN_BB_CLK2_A] = &sdm845_ln_bb_clk2_ao.hw,
411 [RPMH_LN_BB_CLK3] = &sdm845_ln_bb_clk3.hw,
412 [RPMH_LN_BB_CLK3_A] = &sdm845_ln_bb_clk3_ao.hw,
413 [RPMH_RF_CLK1] = &sdm845_rf_clk1.hw,
414 [RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw,
415 [RPMH_RF_CLK2] = &sdm845_rf_clk2.hw,
416 [RPMH_RF_CLK2_A] = &sdm845_rf_clk2_ao.hw,
417 [RPMH_RF_CLK3] = &sdm845_rf_clk3.hw,
418 [RPMH_RF_CLK3_A] = &sdm845_rf_clk3_ao.hw,
421 static const struct clk_rpmh_desc clk_rpmh_sm8150 = {
422 .clks = sm8150_rpmh_clocks,
423 .num_clks = ARRAY_SIZE(sm8150_rpmh_clocks),
426 static struct clk_hw *sc7180_rpmh_clocks[] = {
427 [RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw,
428 [RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw,
429 [RPMH_LN_BB_CLK2] = &sdm845_ln_bb_clk2.hw,
430 [RPMH_LN_BB_CLK2_A] = &sdm845_ln_bb_clk2_ao.hw,
431 [RPMH_LN_BB_CLK3] = &sdm845_ln_bb_clk3.hw,
432 [RPMH_LN_BB_CLK3_A] = &sdm845_ln_bb_clk3_ao.hw,
433 [RPMH_RF_CLK1] = &sdm845_rf_clk1.hw,
434 [RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw,
435 [RPMH_RF_CLK2] = &sdm845_rf_clk2.hw,
436 [RPMH_RF_CLK2_A] = &sdm845_rf_clk2_ao.hw,
437 [RPMH_IPA_CLK] = &sdm845_ipa.hw,
440 static const struct clk_rpmh_desc clk_rpmh_sc7180 = {
441 .clks = sc7180_rpmh_clocks,
442 .num_clks = ARRAY_SIZE(sc7180_rpmh_clocks),
445 static struct clk_hw *sc8180x_rpmh_clocks[] = {
446 [RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw,
447 [RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw,
448 [RPMH_LN_BB_CLK2] = &sdm845_ln_bb_clk2.hw,
449 [RPMH_LN_BB_CLK2_A] = &sdm845_ln_bb_clk2_ao.hw,
450 [RPMH_LN_BB_CLK3] = &sdm845_ln_bb_clk3.hw,
451 [RPMH_LN_BB_CLK3_A] = &sdm845_ln_bb_clk3_ao.hw,
452 [RPMH_RF_CLK1] = &sc8180x_rf_clk1.hw,
453 [RPMH_RF_CLK1_A] = &sc8180x_rf_clk1_ao.hw,
454 [RPMH_RF_CLK2] = &sc8180x_rf_clk2.hw,
455 [RPMH_RF_CLK2_A] = &sc8180x_rf_clk2_ao.hw,
456 [RPMH_RF_CLK3] = &sc8180x_rf_clk3.hw,
457 [RPMH_RF_CLK3_A] = &sc8180x_rf_clk3_ao.hw,
460 static const struct clk_rpmh_desc clk_rpmh_sc8180x = {
461 .clks = sc8180x_rpmh_clocks,
462 .num_clks = ARRAY_SIZE(sc8180x_rpmh_clocks),
465 DEFINE_CLK_RPMH_VRM(sm8250, ln_bb_clk1, ln_bb_clk1_ao, "lnbclka1", 2);
467 static struct clk_hw *sm8250_rpmh_clocks[] = {
468 [RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw,
469 [RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw,
470 [RPMH_LN_BB_CLK1] = &sm8250_ln_bb_clk1.hw,
471 [RPMH_LN_BB_CLK1_A] = &sm8250_ln_bb_clk1_ao.hw,
472 [RPMH_LN_BB_CLK2] = &sdm845_ln_bb_clk2.hw,
473 [RPMH_LN_BB_CLK2_A] = &sdm845_ln_bb_clk2_ao.hw,
474 [RPMH_LN_BB_CLK3] = &sdm845_ln_bb_clk3.hw,
475 [RPMH_LN_BB_CLK3_A] = &sdm845_ln_bb_clk3_ao.hw,
476 [RPMH_RF_CLK1] = &sdm845_rf_clk1.hw,
477 [RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw,
478 [RPMH_RF_CLK3] = &sdm845_rf_clk3.hw,
479 [RPMH_RF_CLK3_A] = &sdm845_rf_clk3_ao.hw,
482 static const struct clk_rpmh_desc clk_rpmh_sm8250 = {
483 .clks = sm8250_rpmh_clocks,
484 .num_clks = ARRAY_SIZE(sm8250_rpmh_clocks),
487 DEFINE_CLK_RPMH_VRM(sm8350, div_clk1, div_clk1_ao, "divclka1", 2);
488 DEFINE_CLK_RPMH_VRM(sm8350, rf_clk4, rf_clk4_ao, "rfclka4", 1);
489 DEFINE_CLK_RPMH_VRM(sm8350, rf_clk5, rf_clk5_ao, "rfclka5", 1);
490 DEFINE_CLK_RPMH_BCM(sm8350, pka, "PKA0");
491 DEFINE_CLK_RPMH_BCM(sm8350, hwkm, "HK0");
493 static struct clk_hw *sm8350_rpmh_clocks[] = {
494 [RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw,
495 [RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw,
496 [RPMH_DIV_CLK1] = &sm8350_div_clk1.hw,
497 [RPMH_DIV_CLK1_A] = &sm8350_div_clk1_ao.hw,
498 [RPMH_LN_BB_CLK1] = &sm8250_ln_bb_clk1.hw,
499 [RPMH_LN_BB_CLK1_A] = &sm8250_ln_bb_clk1_ao.hw,
500 [RPMH_LN_BB_CLK2] = &sdm845_ln_bb_clk2.hw,
501 [RPMH_LN_BB_CLK2_A] = &sdm845_ln_bb_clk2_ao.hw,
502 [RPMH_RF_CLK1] = &sdm845_rf_clk1.hw,
503 [RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw,
504 [RPMH_RF_CLK3] = &sdm845_rf_clk3.hw,
505 [RPMH_RF_CLK3_A] = &sdm845_rf_clk3_ao.hw,
506 [RPMH_RF_CLK4] = &sm8350_rf_clk4.hw,
507 [RPMH_RF_CLK4_A] = &sm8350_rf_clk4_ao.hw,
508 [RPMH_RF_CLK5] = &sm8350_rf_clk5.hw,
509 [RPMH_RF_CLK5_A] = &sm8350_rf_clk5_ao.hw,
510 [RPMH_IPA_CLK] = &sdm845_ipa.hw,
511 [RPMH_PKA_CLK] = &sm8350_pka.hw,
512 [RPMH_HWKM_CLK] = &sm8350_hwkm.hw,
515 static const struct clk_rpmh_desc clk_rpmh_sm8350 = {
516 .clks = sm8350_rpmh_clocks,
517 .num_clks = ARRAY_SIZE(sm8350_rpmh_clocks),
520 DEFINE_CLK_RPMH_VRM(sc8280xp, ln_bb_clk3, ln_bb_clk3_ao, "lnbclka3", 2);
522 static struct clk_hw *sc8280xp_rpmh_clocks[] = {
523 [RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw,
524 [RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw,
525 [RPMH_LN_BB_CLK3] = &sc8280xp_ln_bb_clk3.hw,
526 [RPMH_LN_BB_CLK3_A] = &sc8280xp_ln_bb_clk3_ao.hw,
527 [RPMH_IPA_CLK] = &sdm845_ipa.hw,
528 [RPMH_PKA_CLK] = &sm8350_pka.hw,
529 [RPMH_HWKM_CLK] = &sm8350_hwkm.hw,
532 static const struct clk_rpmh_desc clk_rpmh_sc8280xp = {
533 .clks = sc8280xp_rpmh_clocks,
534 .num_clks = ARRAY_SIZE(sc8280xp_rpmh_clocks),
537 /* Resource name must match resource id present in cmd-db */
538 DEFINE_CLK_RPMH_ARC(sc7280, bi_tcxo, bi_tcxo_ao, "xo.lvl", 0x3, 4);
540 DEFINE_CLK_RPMH_VRM(sm8450, ln_bb_clk1, ln_bb_clk1_ao, "lnbclka1", 4);
541 DEFINE_CLK_RPMH_VRM(sm8450, ln_bb_clk2, ln_bb_clk2_ao, "lnbclka2", 4);
543 static struct clk_hw *sm8450_rpmh_clocks[] = {
544 [RPMH_CXO_CLK] = &sc7280_bi_tcxo.hw,
545 [RPMH_CXO_CLK_A] = &sc7280_bi_tcxo_ao.hw,
546 [RPMH_LN_BB_CLK1] = &sm8450_ln_bb_clk1.hw,
547 [RPMH_LN_BB_CLK1_A] = &sm8450_ln_bb_clk1_ao.hw,
548 [RPMH_LN_BB_CLK2] = &sm8450_ln_bb_clk2.hw,
549 [RPMH_LN_BB_CLK2_A] = &sm8450_ln_bb_clk2_ao.hw,
550 [RPMH_RF_CLK1] = &sdm845_rf_clk1.hw,
551 [RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw,
552 [RPMH_RF_CLK2] = &sdm845_rf_clk2.hw,
553 [RPMH_RF_CLK2_A] = &sdm845_rf_clk2_ao.hw,
554 [RPMH_RF_CLK3] = &sdm845_rf_clk3.hw,
555 [RPMH_RF_CLK3_A] = &sdm845_rf_clk3_ao.hw,
556 [RPMH_RF_CLK4] = &sm8350_rf_clk4.hw,
557 [RPMH_RF_CLK4_A] = &sm8350_rf_clk4_ao.hw,
558 [RPMH_IPA_CLK] = &sdm845_ipa.hw,
561 static const struct clk_rpmh_desc clk_rpmh_sm8450 = {
562 .clks = sm8450_rpmh_clocks,
563 .num_clks = ARRAY_SIZE(sm8450_rpmh_clocks),
566 static struct clk_hw *sc7280_rpmh_clocks[] = {
567 [RPMH_CXO_CLK] = &sc7280_bi_tcxo.hw,
568 [RPMH_CXO_CLK_A] = &sc7280_bi_tcxo_ao.hw,
569 [RPMH_LN_BB_CLK2] = &sdm845_ln_bb_clk2.hw,
570 [RPMH_LN_BB_CLK2_A] = &sdm845_ln_bb_clk2_ao.hw,
571 [RPMH_RF_CLK1] = &sdm845_rf_clk1.hw,
572 [RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw,
573 [RPMH_RF_CLK3] = &sdm845_rf_clk3.hw,
574 [RPMH_RF_CLK3_A] = &sdm845_rf_clk3_ao.hw,
575 [RPMH_RF_CLK4] = &sm8350_rf_clk4.hw,
576 [RPMH_RF_CLK4_A] = &sm8350_rf_clk4_ao.hw,
577 [RPMH_IPA_CLK] = &sdm845_ipa.hw,
578 [RPMH_PKA_CLK] = &sm8350_pka.hw,
579 [RPMH_HWKM_CLK] = &sm8350_hwkm.hw,
582 static const struct clk_rpmh_desc clk_rpmh_sc7280 = {
583 .clks = sc7280_rpmh_clocks,
584 .num_clks = ARRAY_SIZE(sc7280_rpmh_clocks),
587 DEFINE_CLK_RPMH_VRM(sm6350, ln_bb_clk2, ln_bb_clk2_ao, "lnbclkg2", 4);
588 DEFINE_CLK_RPMH_VRM(sm6350, ln_bb_clk3, ln_bb_clk3_ao, "lnbclkg3", 4);
589 DEFINE_CLK_RPMH_ARC(sm6350, qlink, qlink_ao, "qphy.lvl", 0x1, 4);
591 static struct clk_hw *sm6350_rpmh_clocks[] = {
592 [RPMH_CXO_CLK] = &sc7280_bi_tcxo.hw,
593 [RPMH_CXO_CLK_A] = &sc7280_bi_tcxo_ao.hw,
594 [RPMH_LN_BB_CLK2] = &sm6350_ln_bb_clk2.hw,
595 [RPMH_LN_BB_CLK2_A] = &sm6350_ln_bb_clk2_ao.hw,
596 [RPMH_LN_BB_CLK3] = &sm6350_ln_bb_clk3.hw,
597 [RPMH_LN_BB_CLK3_A] = &sm6350_ln_bb_clk3_ao.hw,
598 [RPMH_QLINK_CLK] = &sm6350_qlink.hw,
599 [RPMH_QLINK_CLK_A] = &sm6350_qlink_ao.hw,
602 static const struct clk_rpmh_desc clk_rpmh_sm6350 = {
603 .clks = sm6350_rpmh_clocks,
604 .num_clks = ARRAY_SIZE(sm6350_rpmh_clocks),
607 DEFINE_CLK_RPMH_VRM(sdx65, ln_bb_clk1, ln_bb_clk1_ao, "lnbclka1", 4);
609 static struct clk_hw *sdx65_rpmh_clocks[] = {
610 [RPMH_CXO_CLK] = &sc7280_bi_tcxo.hw,
611 [RPMH_CXO_CLK_A] = &sc7280_bi_tcxo_ao.hw,
612 [RPMH_LN_BB_CLK1] = &sdx65_ln_bb_clk1.hw,
613 [RPMH_LN_BB_CLK1_A] = &sdx65_ln_bb_clk1_ao.hw,
614 [RPMH_RF_CLK1] = &sdm845_rf_clk1.hw,
615 [RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw,
616 [RPMH_RF_CLK2] = &sdm845_rf_clk2.hw,
617 [RPMH_RF_CLK2_A] = &sdm845_rf_clk2_ao.hw,
618 [RPMH_RF_CLK3] = &sdm845_rf_clk3.hw,
619 [RPMH_RF_CLK3_A] = &sdm845_rf_clk3_ao.hw,
620 [RPMH_RF_CLK4] = &sm8350_rf_clk4.hw,
621 [RPMH_RF_CLK4_A] = &sm8350_rf_clk4_ao.hw,
622 [RPMH_IPA_CLK] = &sdm845_ipa.hw,
623 [RPMH_QPIC_CLK] = &sdx55_qpic_clk.hw,
626 static const struct clk_rpmh_desc clk_rpmh_sdx65 = {
627 .clks = sdx65_rpmh_clocks,
628 .num_clks = ARRAY_SIZE(sdx65_rpmh_clocks),
631 static struct clk_hw *of_clk_rpmh_hw_get(struct of_phandle_args *clkspec,
634 struct clk_rpmh_desc *rpmh = data;
635 unsigned int idx = clkspec->args[0];
637 if (idx >= rpmh->num_clks) {
638 pr_err("%s: invalid index %u\n", __func__, idx);
639 return ERR_PTR(-EINVAL);
642 return rpmh->clks[idx];
645 static int clk_rpmh_probe(struct platform_device *pdev)
647 struct clk_hw **hw_clks;
648 struct clk_rpmh *rpmh_clk;
649 const struct clk_rpmh_desc *desc;
652 desc = of_device_get_match_data(&pdev->dev);
656 hw_clks = desc->clks;
658 for (i = 0; i < desc->num_clks; i++) {
662 const struct bcm_db *data;
667 name = hw_clks[i]->init->name;
669 rpmh_clk = to_clk_rpmh(hw_clks[i]);
670 res_addr = cmd_db_read_addr(rpmh_clk->res_name);
672 dev_err(&pdev->dev, "missing RPMh resource address for %s\n",
677 data = cmd_db_read_aux_data(rpmh_clk->res_name, &aux_data_len);
681 "error reading RPMh aux data for %s (%d)\n",
682 rpmh_clk->res_name, ret);
686 /* Convert unit from Khz to Hz */
687 if (aux_data_len == sizeof(*data))
688 rpmh_clk->unit = le32_to_cpu(data->unit) * 1000ULL;
690 rpmh_clk->res_addr += res_addr;
691 rpmh_clk->dev = &pdev->dev;
693 ret = devm_clk_hw_register(&pdev->dev, hw_clks[i]);
695 dev_err(&pdev->dev, "failed to register %s\n", name);
700 /* typecast to silence compiler warning */
701 ret = devm_of_clk_add_hw_provider(&pdev->dev, of_clk_rpmh_hw_get,
704 dev_err(&pdev->dev, "Failed to add clock provider\n");
708 dev_dbg(&pdev->dev, "Registered RPMh clocks\n");
713 static const struct of_device_id clk_rpmh_match_table[] = {
714 { .compatible = "qcom,sc7180-rpmh-clk", .data = &clk_rpmh_sc7180},
715 { .compatible = "qcom,sc8180x-rpmh-clk", .data = &clk_rpmh_sc8180x},
716 { .compatible = "qcom,sc8280xp-rpmh-clk", .data = &clk_rpmh_sc8280xp},
717 { .compatible = "qcom,sdm845-rpmh-clk", .data = &clk_rpmh_sdm845},
718 { .compatible = "qcom,sdx55-rpmh-clk", .data = &clk_rpmh_sdx55},
719 { .compatible = "qcom,sdx65-rpmh-clk", .data = &clk_rpmh_sdx65},
720 { .compatible = "qcom,sm6350-rpmh-clk", .data = &clk_rpmh_sm6350},
721 { .compatible = "qcom,sm8150-rpmh-clk", .data = &clk_rpmh_sm8150},
722 { .compatible = "qcom,sm8250-rpmh-clk", .data = &clk_rpmh_sm8250},
723 { .compatible = "qcom,sm8350-rpmh-clk", .data = &clk_rpmh_sm8350},
724 { .compatible = "qcom,sm8450-rpmh-clk", .data = &clk_rpmh_sm8450},
725 { .compatible = "qcom,sc7280-rpmh-clk", .data = &clk_rpmh_sc7280},
728 MODULE_DEVICE_TABLE(of, clk_rpmh_match_table);
730 static struct platform_driver clk_rpmh_driver = {
731 .probe = clk_rpmh_probe,
734 .of_match_table = clk_rpmh_match_table,
738 static int __init clk_rpmh_init(void)
740 return platform_driver_register(&clk_rpmh_driver);
742 core_initcall(clk_rpmh_init);
744 static void __exit clk_rpmh_exit(void)
746 platform_driver_unregister(&clk_rpmh_driver);
748 module_exit(clk_rpmh_exit);
750 MODULE_DESCRIPTION("QCOM RPMh Clock Driver");
751 MODULE_LICENSE("GPL v2");