2 * mt2701-afe-clock-ctrl.c -- Mediatek 2701 afe clock ctrl
4 * Copyright (c) 2016 MediaTek Inc.
5 * Author: Garlic Tseng <garlic.tseng@mediatek.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 and
9 * only version 2 as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
17 #include <sound/soc.h>
18 #include <linux/regmap.h>
19 #include <linux/pm_runtime.h>
21 #include "mt2701-afe-common.h"
22 #include "mt2701-afe-clock-ctrl.h"
24 static const char *aud_clks
[MT2701_CLOCK_NUM
] = {
25 [MT2701_AUD_INFRA_SYS_AUDIO
] = "infra_sys_audio_clk",
26 [MT2701_AUD_AUD_MUX1_SEL
] = "top_audio_mux1_sel",
27 [MT2701_AUD_AUD_MUX2_SEL
] = "top_audio_mux2_sel",
28 [MT2701_AUD_AUD_MUX1_DIV
] = "top_audio_mux1_div",
29 [MT2701_AUD_AUD_MUX2_DIV
] = "top_audio_mux2_div",
30 [MT2701_AUD_AUD_48K_TIMING
] = "top_audio_48k_timing",
31 [MT2701_AUD_AUD_44K_TIMING
] = "top_audio_44k_timing",
32 [MT2701_AUD_AUDPLL_MUX_SEL
] = "top_audpll_mux_sel",
33 [MT2701_AUD_APLL_SEL
] = "top_apll_sel",
34 [MT2701_AUD_AUD1PLL_98M
] = "top_aud1_pll_98M",
35 [MT2701_AUD_AUD2PLL_90M
] = "top_aud2_pll_90M",
36 [MT2701_AUD_HADDS2PLL_98M
] = "top_hadds2_pll_98M",
37 [MT2701_AUD_HADDS2PLL_294M
] = "top_hadds2_pll_294M",
38 [MT2701_AUD_AUDPLL
] = "top_audpll",
39 [MT2701_AUD_AUDPLL_D4
] = "top_audpll_d4",
40 [MT2701_AUD_AUDPLL_D8
] = "top_audpll_d8",
41 [MT2701_AUD_AUDPLL_D16
] = "top_audpll_d16",
42 [MT2701_AUD_AUDPLL_D24
] = "top_audpll_d24",
43 [MT2701_AUD_AUDINTBUS
] = "top_audintbus_sel",
44 [MT2701_AUD_CLK_26M
] = "clk_26m",
45 [MT2701_AUD_SYSPLL1_D4
] = "top_syspll1_d4",
46 [MT2701_AUD_AUD_K1_SRC_SEL
] = "top_aud_k1_src_sel",
47 [MT2701_AUD_AUD_K2_SRC_SEL
] = "top_aud_k2_src_sel",
48 [MT2701_AUD_AUD_K3_SRC_SEL
] = "top_aud_k3_src_sel",
49 [MT2701_AUD_AUD_K4_SRC_SEL
] = "top_aud_k4_src_sel",
50 [MT2701_AUD_AUD_K5_SRC_SEL
] = "top_aud_k5_src_sel",
51 [MT2701_AUD_AUD_K6_SRC_SEL
] = "top_aud_k6_src_sel",
52 [MT2701_AUD_AUD_K1_SRC_DIV
] = "top_aud_k1_src_div",
53 [MT2701_AUD_AUD_K2_SRC_DIV
] = "top_aud_k2_src_div",
54 [MT2701_AUD_AUD_K3_SRC_DIV
] = "top_aud_k3_src_div",
55 [MT2701_AUD_AUD_K4_SRC_DIV
] = "top_aud_k4_src_div",
56 [MT2701_AUD_AUD_K5_SRC_DIV
] = "top_aud_k5_src_div",
57 [MT2701_AUD_AUD_K6_SRC_DIV
] = "top_aud_k6_src_div",
58 [MT2701_AUD_AUD_I2S1_MCLK
] = "top_aud_i2s1_mclk",
59 [MT2701_AUD_AUD_I2S2_MCLK
] = "top_aud_i2s2_mclk",
60 [MT2701_AUD_AUD_I2S3_MCLK
] = "top_aud_i2s3_mclk",
61 [MT2701_AUD_AUD_I2S4_MCLK
] = "top_aud_i2s4_mclk",
62 [MT2701_AUD_AUD_I2S5_MCLK
] = "top_aud_i2s5_mclk",
63 [MT2701_AUD_AUD_I2S6_MCLK
] = "top_aud_i2s6_mclk",
64 [MT2701_AUD_ASM_M_SEL
] = "top_asm_m_sel",
65 [MT2701_AUD_ASM_H_SEL
] = "top_asm_h_sel",
66 [MT2701_AUD_UNIVPLL2_D4
] = "top_univpll2_d4",
67 [MT2701_AUD_UNIVPLL2_D2
] = "top_univpll2_d2",
68 [MT2701_AUD_SYSPLL_D5
] = "top_syspll_d5",
71 int mt2701_init_clock(struct mtk_base_afe
*afe
)
73 struct mt2701_afe_private
*afe_priv
= afe
->platform_priv
;
76 for (i
= 0; i
< MT2701_CLOCK_NUM
; i
++) {
77 afe_priv
->clocks
[i
] = devm_clk_get(afe
->dev
, aud_clks
[i
]);
78 if (IS_ERR(aud_clks
[i
])) {
79 dev_warn(afe
->dev
, "%s devm_clk_get %s fail\n",
80 __func__
, aud_clks
[i
]);
81 return PTR_ERR(aud_clks
[i
]);
88 int mt2701_afe_enable_clock(struct mtk_base_afe
*afe
)
92 ret
= mt2701_turn_on_a1sys_clock(afe
);
94 dev_err(afe
->dev
, "%s turn_on_a1sys_clock fail %d\n",
99 ret
= mt2701_turn_on_a2sys_clock(afe
);
101 dev_err(afe
->dev
, "%s turn_on_a2sys_clock fail %d\n",
103 mt2701_turn_off_a1sys_clock(afe
);
107 ret
= mt2701_turn_on_afe_clock(afe
);
109 dev_err(afe
->dev
, "%s turn_on_afe_clock fail %d\n",
111 mt2701_turn_off_a1sys_clock(afe
);
112 mt2701_turn_off_a2sys_clock(afe
);
116 regmap_update_bits(afe
->regmap
, ASYS_TOP_CON
,
117 AUDIO_TOP_CON0_A1SYS_A2SYS_ON
,
118 AUDIO_TOP_CON0_A1SYS_A2SYS_ON
);
119 regmap_update_bits(afe
->regmap
, AFE_DAC_CON0
,
121 AFE_DAC_CON0_AFE_ON
);
122 regmap_write(afe
->regmap
, PWR2_TOP_CON
,
123 PWR2_TOP_CON_INIT_VAL
);
124 regmap_write(afe
->regmap
, PWR1_ASM_CON1
,
125 PWR1_ASM_CON1_INIT_VAL
);
126 regmap_write(afe
->regmap
, PWR2_ASM_CON1
,
127 PWR2_ASM_CON1_INIT_VAL
);
132 void mt2701_afe_disable_clock(struct mtk_base_afe
*afe
)
134 mt2701_turn_off_afe_clock(afe
);
135 mt2701_turn_off_a1sys_clock(afe
);
136 mt2701_turn_off_a2sys_clock(afe
);
137 regmap_update_bits(afe
->regmap
, ASYS_TOP_CON
,
138 AUDIO_TOP_CON0_A1SYS_A2SYS_ON
, 0);
139 regmap_update_bits(afe
->regmap
, AFE_DAC_CON0
,
140 AFE_DAC_CON0_AFE_ON
, 0);
143 int mt2701_turn_on_a1sys_clock(struct mtk_base_afe
*afe
)
145 struct mt2701_afe_private
*afe_priv
= afe
->platform_priv
;
149 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_AUD_MUX1_SEL
]);
151 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
152 __func__
, aud_clks
[MT2701_AUD_AUD_MUX1_SEL
], ret
);
153 goto A1SYS_CLK_AUD_MUX1_SEL_ERR
;
156 ret
= clk_set_parent(afe_priv
->clocks
[MT2701_AUD_AUD_MUX1_SEL
],
157 afe_priv
->clocks
[MT2701_AUD_AUD1PLL_98M
]);
159 dev_err(afe
->dev
, "%s clk_set_parent %s-%s fail %d\n", __func__
,
160 aud_clks
[MT2701_AUD_AUD_MUX1_SEL
],
161 aud_clks
[MT2701_AUD_AUD1PLL_98M
], ret
);
162 goto A1SYS_CLK_AUD_MUX1_SEL_ERR
;
166 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_AUD_MUX1_DIV
]);
168 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
170 aud_clks
[MT2701_AUD_AUD_MUX1_DIV
],
172 goto A1SYS_CLK_AUD_MUX1_DIV_ERR
;
175 ret
= clk_set_rate(afe_priv
->clocks
[MT2701_AUD_AUD_MUX1_DIV
],
176 MT2701_AUD_AUD_MUX1_DIV_RATE
);
178 dev_err(afe
->dev
, "%s clk_set_parent %s-%d fail %d\n", __func__
,
179 aud_clks
[MT2701_AUD_AUD_MUX1_DIV
],
180 MT2701_AUD_AUD_MUX1_DIV_RATE
, ret
);
181 goto A1SYS_CLK_AUD_MUX1_DIV_ERR
;
184 /* Enable clock gate */
185 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_AUD_48K_TIMING
]);
187 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
188 __func__
, aud_clks
[MT2701_AUD_AUD_48K_TIMING
], ret
);
189 goto A1SYS_CLK_AUD_48K_ERR
;
192 /* Enable infra audio */
193 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_INFRA_SYS_AUDIO
]);
195 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
196 __func__
, aud_clks
[MT2701_AUD_INFRA_SYS_AUDIO
], ret
);
197 goto A1SYS_CLK_INFRA_ERR
;
203 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_INFRA_SYS_AUDIO
]);
204 A1SYS_CLK_AUD_48K_ERR
:
205 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_48K_TIMING
]);
206 A1SYS_CLK_AUD_MUX1_DIV_ERR
:
207 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_MUX1_DIV
]);
208 A1SYS_CLK_AUD_MUX1_SEL_ERR
:
209 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_MUX1_SEL
]);
214 void mt2701_turn_off_a1sys_clock(struct mtk_base_afe
*afe
)
216 struct mt2701_afe_private
*afe_priv
= afe
->platform_priv
;
218 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_INFRA_SYS_AUDIO
]);
219 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_48K_TIMING
]);
220 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_MUX1_DIV
]);
221 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_MUX1_SEL
]);
224 int mt2701_turn_on_a2sys_clock(struct mtk_base_afe
*afe
)
226 struct mt2701_afe_private
*afe_priv
= afe
->platform_priv
;
230 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_AUD_MUX2_SEL
]);
232 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
233 __func__
, aud_clks
[MT2701_AUD_AUD_MUX2_SEL
], ret
);
234 goto A2SYS_CLK_AUD_MUX2_SEL_ERR
;
237 ret
= clk_set_parent(afe_priv
->clocks
[MT2701_AUD_AUD_MUX2_SEL
],
238 afe_priv
->clocks
[MT2701_AUD_AUD2PLL_90M
]);
240 dev_err(afe
->dev
, "%s clk_set_parent %s-%s fail %d\n", __func__
,
241 aud_clks
[MT2701_AUD_AUD_MUX2_SEL
],
242 aud_clks
[MT2701_AUD_AUD2PLL_90M
], ret
);
243 goto A2SYS_CLK_AUD_MUX2_SEL_ERR
;
247 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_AUD_MUX2_DIV
]);
249 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
250 __func__
, aud_clks
[MT2701_AUD_AUD_MUX2_DIV
], ret
);
251 goto A2SYS_CLK_AUD_MUX2_DIV_ERR
;
254 ret
= clk_set_rate(afe_priv
->clocks
[MT2701_AUD_AUD_MUX2_DIV
],
255 MT2701_AUD_AUD_MUX2_DIV_RATE
);
257 dev_err(afe
->dev
, "%s clk_set_parent %s-%d fail %d\n", __func__
,
258 aud_clks
[MT2701_AUD_AUD_MUX2_DIV
],
259 MT2701_AUD_AUD_MUX2_DIV_RATE
, ret
);
260 goto A2SYS_CLK_AUD_MUX2_DIV_ERR
;
263 /* Enable clock gate */
264 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_AUD_44K_TIMING
]);
266 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
267 __func__
, aud_clks
[MT2701_AUD_AUD_44K_TIMING
], ret
);
268 goto A2SYS_CLK_AUD_44K_ERR
;
271 /* Enable infra audio */
272 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_INFRA_SYS_AUDIO
]);
274 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
275 __func__
, aud_clks
[MT2701_AUD_INFRA_SYS_AUDIO
], ret
);
276 goto A2SYS_CLK_INFRA_ERR
;
282 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_INFRA_SYS_AUDIO
]);
283 A2SYS_CLK_AUD_44K_ERR
:
284 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_44K_TIMING
]);
285 A2SYS_CLK_AUD_MUX2_DIV_ERR
:
286 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_MUX2_DIV
]);
287 A2SYS_CLK_AUD_MUX2_SEL_ERR
:
288 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_MUX2_SEL
]);
293 void mt2701_turn_off_a2sys_clock(struct mtk_base_afe
*afe
)
295 struct mt2701_afe_private
*afe_priv
= afe
->platform_priv
;
297 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_INFRA_SYS_AUDIO
]);
298 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_44K_TIMING
]);
299 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_MUX2_DIV
]);
300 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUD_MUX2_SEL
]);
303 int mt2701_turn_on_afe_clock(struct mtk_base_afe
*afe
)
305 struct mt2701_afe_private
*afe_priv
= afe
->platform_priv
;
308 /* enable INFRA_SYS */
309 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_INFRA_SYS_AUDIO
]);
311 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
312 __func__
, aud_clks
[MT2701_AUD_INFRA_SYS_AUDIO
], ret
);
313 goto AFE_AUD_INFRA_ERR
;
316 /* Set MT2701_AUD_AUDINTBUS to MT2701_AUD_SYSPLL1_D4 */
317 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_AUDINTBUS
]);
319 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
320 __func__
, aud_clks
[MT2701_AUD_AUDINTBUS
], ret
);
321 goto AFE_AUD_AUDINTBUS_ERR
;
324 ret
= clk_set_parent(afe_priv
->clocks
[MT2701_AUD_AUDINTBUS
],
325 afe_priv
->clocks
[MT2701_AUD_SYSPLL1_D4
]);
327 dev_err(afe
->dev
, "%s clk_set_parent %s-%s fail %d\n", __func__
,
328 aud_clks
[MT2701_AUD_AUDINTBUS
],
329 aud_clks
[MT2701_AUD_SYSPLL1_D4
], ret
);
330 goto AFE_AUD_AUDINTBUS_ERR
;
333 /* Set MT2701_AUD_ASM_H_SEL to MT2701_AUD_UNIVPLL2_D2 */
334 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_ASM_H_SEL
]);
336 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
337 __func__
, aud_clks
[MT2701_AUD_ASM_H_SEL
], ret
);
338 goto AFE_AUD_ASM_H_ERR
;
341 ret
= clk_set_parent(afe_priv
->clocks
[MT2701_AUD_ASM_H_SEL
],
342 afe_priv
->clocks
[MT2701_AUD_UNIVPLL2_D2
]);
344 dev_err(afe
->dev
, "%s clk_set_parent %s-%s fail %d\n", __func__
,
345 aud_clks
[MT2701_AUD_ASM_H_SEL
],
346 aud_clks
[MT2701_AUD_UNIVPLL2_D2
], ret
);
347 goto AFE_AUD_ASM_H_ERR
;
350 /* Set MT2701_AUD_ASM_M_SEL to MT2701_AUD_UNIVPLL2_D4 */
351 ret
= clk_prepare_enable(afe_priv
->clocks
[MT2701_AUD_ASM_M_SEL
]);
353 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
354 __func__
, aud_clks
[MT2701_AUD_ASM_M_SEL
], ret
);
355 goto AFE_AUD_ASM_M_ERR
;
358 ret
= clk_set_parent(afe_priv
->clocks
[MT2701_AUD_ASM_M_SEL
],
359 afe_priv
->clocks
[MT2701_AUD_UNIVPLL2_D4
]);
361 dev_err(afe
->dev
, "%s clk_set_parent %s-%s fail %d\n", __func__
,
362 aud_clks
[MT2701_AUD_ASM_M_SEL
],
363 aud_clks
[MT2701_AUD_UNIVPLL2_D4
], ret
);
364 goto AFE_AUD_ASM_M_ERR
;
367 regmap_update_bits(afe
->regmap
, AUDIO_TOP_CON0
,
368 AUDIO_TOP_CON0_PDN_AFE
, 0);
369 regmap_update_bits(afe
->regmap
, AUDIO_TOP_CON0
,
370 AUDIO_TOP_CON0_PDN_APLL_CK
, 0);
371 regmap_update_bits(afe
->regmap
, AUDIO_TOP_CON4
,
372 AUDIO_TOP_CON4_PDN_A1SYS
, 0);
373 regmap_update_bits(afe
->regmap
, AUDIO_TOP_CON4
,
374 AUDIO_TOP_CON4_PDN_A2SYS
, 0);
375 regmap_update_bits(afe
->regmap
, AUDIO_TOP_CON4
,
376 AUDIO_TOP_CON4_PDN_AFE_CONN
, 0);
381 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_ASM_M_SEL
]);
383 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_ASM_H_SEL
]);
384 AFE_AUD_AUDINTBUS_ERR
:
385 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUDINTBUS
]);
387 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_INFRA_SYS_AUDIO
]);
392 void mt2701_turn_off_afe_clock(struct mtk_base_afe
*afe
)
394 struct mt2701_afe_private
*afe_priv
= afe
->platform_priv
;
396 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_INFRA_SYS_AUDIO
]);
398 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_AUDINTBUS
]);
399 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_ASM_H_SEL
]);
400 clk_disable_unprepare(afe_priv
->clocks
[MT2701_AUD_ASM_M_SEL
]);
402 regmap_update_bits(afe
->regmap
, AUDIO_TOP_CON0
,
403 AUDIO_TOP_CON0_PDN_AFE
, AUDIO_TOP_CON0_PDN_AFE
);
404 regmap_update_bits(afe
->regmap
, AUDIO_TOP_CON0
,
405 AUDIO_TOP_CON0_PDN_APLL_CK
,
406 AUDIO_TOP_CON0_PDN_APLL_CK
);
407 regmap_update_bits(afe
->regmap
, AUDIO_TOP_CON4
,
408 AUDIO_TOP_CON4_PDN_A1SYS
,
409 AUDIO_TOP_CON4_PDN_A1SYS
);
410 regmap_update_bits(afe
->regmap
, AUDIO_TOP_CON4
,
411 AUDIO_TOP_CON4_PDN_A2SYS
,
412 AUDIO_TOP_CON4_PDN_A2SYS
);
413 regmap_update_bits(afe
->regmap
, AUDIO_TOP_CON4
,
414 AUDIO_TOP_CON4_PDN_AFE_CONN
,
415 AUDIO_TOP_CON4_PDN_AFE_CONN
);
418 void mt2701_mclk_configuration(struct mtk_base_afe
*afe
, int id
, int domain
,
421 struct mt2701_afe_private
*afe_priv
= afe
->platform_priv
;
423 int aud_src_div_id
= MT2701_AUD_AUD_K1_SRC_DIV
+ id
;
424 int aud_src_clk_id
= MT2701_AUD_AUD_K1_SRC_SEL
+ id
;
426 /* Set MCLK Kx_SRC_SEL(domain) */
427 ret
= clk_prepare_enable(afe_priv
->clocks
[aud_src_clk_id
]);
429 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
430 __func__
, aud_clks
[aud_src_clk_id
], ret
);
433 ret
= clk_set_parent(afe_priv
->clocks
[aud_src_clk_id
],
434 afe_priv
->clocks
[MT2701_AUD_AUD_MUX1_SEL
]);
436 dev_err(afe
->dev
, "%s clk_set_parent %s-%s fail %d\n",
437 __func__
, aud_clks
[aud_src_clk_id
],
438 aud_clks
[MT2701_AUD_AUD_MUX1_SEL
], ret
);
440 ret
= clk_set_parent(afe_priv
->clocks
[aud_src_clk_id
],
441 afe_priv
->clocks
[MT2701_AUD_AUD_MUX2_SEL
]);
443 dev_err(afe
->dev
, "%s clk_set_parent %s-%s fail %d\n",
444 __func__
, aud_clks
[aud_src_clk_id
],
445 aud_clks
[MT2701_AUD_AUD_MUX2_SEL
], ret
);
447 clk_disable_unprepare(afe_priv
->clocks
[aud_src_clk_id
]);
449 /* Set MCLK Kx_SRC_DIV(divider) */
450 ret
= clk_prepare_enable(afe_priv
->clocks
[aud_src_div_id
]);
452 dev_err(afe
->dev
, "%s clk_prepare_enable %s fail %d\n",
453 __func__
, aud_clks
[aud_src_div_id
], ret
);
455 ret
= clk_set_rate(afe_priv
->clocks
[aud_src_div_id
], mclk
);
457 dev_err(afe
->dev
, "%s clk_set_rate %s-%d fail %d\n", __func__
,
458 aud_clks
[aud_src_div_id
], mclk
, ret
);
459 clk_disable_unprepare(afe_priv
->clocks
[aud_src_div_id
]);
462 MODULE_DESCRIPTION("MT2701 afe clock control");
463 MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>");
464 MODULE_LICENSE("GPL v2");