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ASoC: mediatek: add some core clocks for MT2701 AFE
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Add three core clocks for MT2701 AFE.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Ryder Lee authored and Mark Brown committed Jan 4, 2018
1 parent 0739fdf commit 96365d9
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Showing 2 changed files with 32 additions and 1 deletion.
30 changes: 29 additions & 1 deletion sound/soc/mediatek/mt2701/mt2701-afe-clock-ctrl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,11 @@
#include "mt2701-afe-clock-ctrl.h"

static const char *const base_clks[] = {
[MT2701_INFRA_SYS_AUDIO] = "infra_sys_audio_clk",
[MT2701_TOP_AUD_MCLK_SRC0] = "top_audio_mux1_sel",
[MT2701_TOP_AUD_MCLK_SRC1] = "top_audio_mux2_sel",
[MT2701_TOP_AUD_A1SYS] = "top_audio_a1sys_hp",
[MT2701_TOP_AUD_A2SYS] = "top_audio_a2sys_hp",
[MT2701_AUDSYS_AFE] = "audio_afe_pd",
[MT2701_AUDSYS_AFE_CONN] = "audio_afe_conn_pd",
[MT2701_AUDSYS_A1SYS] = "audio_a1sys_pd",
Expand Down Expand Up @@ -169,10 +172,26 @@ static int mt2701_afe_enable_audsys(struct mtk_base_afe *afe)
struct mt2701_afe_private *afe_priv = afe->platform_priv;
int ret;

ret = clk_prepare_enable(afe_priv->base_ck[MT2701_AUDSYS_AFE]);
/* Enable infra clock gate */
ret = clk_prepare_enable(afe_priv->base_ck[MT2701_INFRA_SYS_AUDIO]);
if (ret)
return ret;

/* Enable top a1sys clock gate */
ret = clk_prepare_enable(afe_priv->base_ck[MT2701_TOP_AUD_A1SYS]);
if (ret)
goto err_a1sys;

/* Enable top a2sys clock gate */
ret = clk_prepare_enable(afe_priv->base_ck[MT2701_TOP_AUD_A2SYS]);
if (ret)
goto err_a2sys;

/* Internal clock gates */
ret = clk_prepare_enable(afe_priv->base_ck[MT2701_AUDSYS_AFE]);
if (ret)
goto err_afe;

ret = clk_prepare_enable(afe_priv->base_ck[MT2701_AUDSYS_A1SYS]);
if (ret)
goto err_audio_a1sys;
Expand All @@ -193,6 +212,12 @@ static int mt2701_afe_enable_audsys(struct mtk_base_afe *afe)
clk_disable_unprepare(afe_priv->base_ck[MT2701_AUDSYS_A1SYS]);
err_audio_a1sys:
clk_disable_unprepare(afe_priv->base_ck[MT2701_AUDSYS_AFE]);
err_afe:
clk_disable_unprepare(afe_priv->base_ck[MT2701_TOP_AUD_A2SYS]);
err_a2sys:
clk_disable_unprepare(afe_priv->base_ck[MT2701_TOP_AUD_A1SYS]);
err_a1sys:
clk_disable_unprepare(afe_priv->base_ck[MT2701_INFRA_SYS_AUDIO]);

return ret;
}
Expand All @@ -205,6 +230,9 @@ static void mt2701_afe_disable_audsys(struct mtk_base_afe *afe)
clk_disable_unprepare(afe_priv->base_ck[MT2701_AUDSYS_A2SYS]);
clk_disable_unprepare(afe_priv->base_ck[MT2701_AUDSYS_A1SYS]);
clk_disable_unprepare(afe_priv->base_ck[MT2701_AUDSYS_AFE]);
clk_disable_unprepare(afe_priv->base_ck[MT2701_TOP_AUD_A1SYS]);
clk_disable_unprepare(afe_priv->base_ck[MT2701_TOP_AUD_A2SYS]);
clk_disable_unprepare(afe_priv->base_ck[MT2701_INFRA_SYS_AUDIO]);
}

int mt2701_afe_enable_clock(struct mtk_base_afe *afe)
Expand Down
3 changes: 3 additions & 0 deletions sound/soc/mediatek/mt2701/mt2701-afe-common.h
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Original file line number Diff line number Diff line change
Expand Up @@ -61,8 +61,11 @@ enum {
};

enum audio_base_clock {
MT2701_INFRA_SYS_AUDIO,
MT2701_TOP_AUD_MCLK_SRC0,
MT2701_TOP_AUD_MCLK_SRC1,
MT2701_TOP_AUD_A1SYS,
MT2701_TOP_AUD_A2SYS,
MT2701_AUDSYS_AFE,
MT2701_AUDSYS_AFE_CONN,
MT2701_AUDSYS_A1SYS,
Expand Down

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