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ASoC: codecs: Add msm8916-wcd digital codec

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msm8916-wcd codec is found in Qualcomm msm8916 and apq8016 processors.
This codec IP is split in to two parts(Digital & Analog).
Analog part is integrated in to PMIC PM8916 and the digital part is
integrated into Application processor. Data transfer between Analog and
Digital Die is done via a internal bus called PDM.

This patch adds support to Digital part of the Codec which is integrated
into Application Processor.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla
2016-10-20 15:20:46 +01:00
committed by Mark Brown
parent 585e881e5b
commit 150db8c5af
4 changed files with 948 additions and 0 deletions
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20
Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-digital.txt Normal file
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@@ -0,0 +1,20 @@
msm8916 digital audio CODEC
## Bindings for codec core in lpass:
Required properties
- compatible = "qcom,msm8916-wcd-digital-codec";
- reg: address space for lpass codec.
- clocks: Handle to mclk and ahbclk
- clock-names: should be "mclk", "ahbix-clk".
Example:
audio-codec@771c000{
compatible = "qcom,msm8916-wcd-digital-codec";
reg = <0x0771c000 0x400>;
clocks = <&gcc GCC_ULTAUDIO_AHBFABRIC_IXFABRIC_CLK>,
<&gcc GCC_CODEC_DIGCODEC_CLK>;
clock-names = "ahbix-clk", "mclk";
#sound-dai-cells = <1>;
};

3
sound/soc/codecs/Kconfig
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@@ -585,6 +585,9 @@ config SND_SOC_MSM8916_WCD_ANALOG
tristate "Qualcomm MSM8916 WCD Analog Codec"
depends on SPMI || COMPILE_TEST
config SND_SOC_MSM8916_WCD_DIGITAL
tristate "Qualcomm MSM8916 WCD DIGITAL Codec"
config SND_SOC_PCM1681
tristate "Texas Instruments PCM1681 CODEC"
depends on I2C

2
sound/soc/codecs/Makefile
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@@ -87,6 +87,7 @@ snd-soc-max9860-objs := max9860.o
snd-soc-mc13783-objs := mc13783.o
snd-soc-ml26124-objs := ml26124.o
snd-soc-msm8916-analog-objs := msm8916-wcd-analog.o
snd-soc-msm8916-digital-objs := msm8916-wcd-digital.o
snd-soc-nau8810-objs := nau8810.o
snd-soc-nau8825-objs := nau8825.o
snd-soc-hdmi-codec-objs := hdmi-codec.o
@@ -311,6 +312,7 @@ obj-$(CONFIG_SND_SOC_MAX9860) += snd-soc-max9860.o
obj-$(CONFIG_SND_SOC_MC13783) += snd-soc-mc13783.o
obj-$(CONFIG_SND_SOC_ML26124) += snd-soc-ml26124.o
obj-$(CONFIG_SND_SOC_MSM8916_WCD_ANALOG) +=snd-soc-msm8916-analog.o
obj-$(CONFIG_SND_SOC_MSM8916_WCD_DIGITAL) +=snd-soc-msm8916-digital.o
obj-$(CONFIG_SND_SOC_NAU8810) += snd-soc-nau8810.o
obj-$(CONFIG_SND_SOC_NAU8825) += snd-soc-nau8825.o
obj-$(CONFIG_SND_SOC_HDMI_CODEC) += snd-soc-hdmi-codec.o

923
sound/soc/codecs/msm8916-wcd-digital.c Normal file
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