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* [PATCH v2 1/3] ASoC: tlv320adcx140: Add controls for PDM clk
@ 2020-05-13 20:05 Dan Murphy
  2020-05-13 20:05 ` [PATCH v2 2/3] ASoC: tlv320adcx140: Add device tree property for PDM edges Dan Murphy
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Dan Murphy @ 2020-05-13 20:05 UTC (permalink / raw)
  To: lgirdwood, broonie, perex, tiwai; +Cc: alsa-devel, linux-kernel, Dan Murphy

Add ALSA controls to configure the PDM clocks.
The clocks need to be configurable to accommodate various microphones
that use clocks for low power/low resolution modes to high power/high
resolution modes.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
---
 sound/soc/codecs/tlv320adcx140.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c
index 0f713efde046..97634e0ca0ba 100644
--- a/sound/soc/codecs/tlv320adcx140.c
+++ b/sound/soc/codecs/tlv320adcx140.c
@@ -180,6 +180,17 @@ static const struct snd_kcontrol_new decimation_filter_controls[] = {
 	SOC_DAPM_ENUM("Decimation Filter", decimation_filter_enum),
 };
 
+static const char * const pdmclk_text[] = {
+	"2.8224 MHz", "1.4112 MHz", "705.6 kHz", "5.6448 MHz"
+};
+
+static SOC_ENUM_SINGLE_DECL(pdmclk_select_enum, ADCX140_PDMCLK_CFG, 0,
+			    pdmclk_text);
+
+static const struct snd_kcontrol_new pdmclk_div_controls[] = {
+	SOC_DAPM_ENUM("PDM Clk Divider Select", pdmclk_select_enum),
+};
+
 static const char * const resistor_text[] = {
 	"2.5 kOhm", "10 kOhm", "20 kOhm"
 };
@@ -416,6 +427,9 @@ static const struct snd_soc_dapm_widget adcx140_dapm_widgets[] = {
 	SND_SOC_DAPM_MUX("IN4 Analog Mic Resistor", SND_SOC_NOPM, 0, 0,
 			in4_resistor_controls),
 
+	SND_SOC_DAPM_MUX("PDM Clk Div Select", SND_SOC_NOPM, 0, 0,
+			pdmclk_div_controls),
+
 	SND_SOC_DAPM_MUX("Decimation Filter", SND_SOC_NOPM, 0, 0,
 			decimation_filter_controls),
 };
@@ -493,6 +507,11 @@ static const struct snd_soc_dapm_route adcx140_audio_map[] = {
 	{"IN4 Analog Mic Resistor", "10 kOhm", "MIC4M Input Mux"},
 	{"IN4 Analog Mic Resistor", "20 kOhm", "MIC4M Input Mux"},
 
+	{"PDM Clk Div Select", "2.8224 MHz", "MIC1P Input Mux"},
+	{"PDM Clk Div Select", "1.4112 MHz", "MIC1P Input Mux"},
+	{"PDM Clk Div Select", "705.6 kHz", "MIC1P Input Mux"},
+	{"PDM Clk Div Select", "5.6448 MHz", "MIC1P Input Mux"},
+
 	{"MIC1 Analog Mux", "Line In", "MIC1P"},
 	{"MIC2 Analog Mux", "Line In", "MIC2P"},
 	{"MIC3 Analog Mux", "Line In", "MIC3P"},
-- 
2.26.2


^ permalink raw reply related	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2020-05-14 17:05 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-05-13 20:05 [PATCH v2 1/3] ASoC: tlv320adcx140: Add controls for PDM clk Dan Murphy
2020-05-13 20:05 ` [PATCH v2 2/3] ASoC: tlv320adcx140: Add device tree property for PDM edges Dan Murphy
2020-05-14  8:09   ` Ricard Wanderlof
2020-05-14 12:09     ` Dan Murphy
2020-05-13 20:05 ` [PATCH v2 3/3] ASoC: tlv320adcx140: Configure PDM sampling edge Dan Murphy
2020-05-14 17:05 ` [PATCH v2 1/3] ASoC: tlv320adcx140: Add controls for PDM clk Mark Brown

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