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ASoC: sti-asoc-card: update tdm mode 

- Add "TDM" in the st,mode property list
- st,mode property is also mandatory for reader
- add tdm playback dai-link example

Signed-off-by: Moise Gergaud <moise.gergaud@st.com>
Acked-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Moise Gergaud 2016-04-19 11:24:45 +02:00 committed by Mark Brown
parent 3ee15cac90
commit ee4c879b53
1 changed files with 39 additions and 5 deletions
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44
Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
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@ -37,17 +37,18 @@ Required properties:
- dai-name: DAI name that describes the IP.
- IP mode: IP working mode depending on associated codec.
"HDMI" connected to HDMI codec and support IEC HDMI formats (player only).
"SPDIF" connected to SPDIF codec and support SPDIF formats (player only).
"PCM" PCM standard mode for I2S or TDM bus.
"TDM" TDM mode for TDM bus.
Required properties ("st,sti-uni-player" compatibility only):
- clocks: CPU_DAI IP clock source, listed in the same order than the
CPU_DAI properties.
- uniperiph-id: internal SOC IP instance ID.
- IP mode: IP working mode depending on associated codec.
"HDMI" connected to HDMI codec IP and IEC HDMI formats.
"SPDIF"connected to SPDIF codec and support SPDIF formats.
"PCM" PCM standard mode for I2S or TDM bus.
Optional properties:
- pinctrl-0: defined for CPU_DAI@1 and CPU_DAI@4 to describe I2S PIOs for
external codecs connection.
@ -56,6 +57,22 @@ Optional properties:
Example:
sti_uni_player1: sti-uni-player@1 {
compatible = "st,sti-uni-player";
status = "okay";
#sound-dai-cells = <0>;
st,syscfg = <&syscfg_core>;
clocks = <&clk_s_d0_flexgen CLK_PCM_1>;
reg = <0x8D81000 0x158>;
interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>;
dmas = <&fdma0 3 0 1>;
st,dai-name = "Uni Player #1 (I2S)";
dma-names = "tx";
st,uniperiph-id = <1>;
st,version = <5>;
st,mode = "TDM";
};
sti_uni_player2: sti-uni-player@2 {
compatible = "st,sti-uni-player";
status = "okay";
@ -99,6 +116,7 @@ Example:
dma-names = "rx";
dai-name = "Uni Reader #1 (HDMI RX)";
version = <3>;
st,mode = "PCM";
};
2) sti-sas-codec: internal audio codec IPs driver
@ -152,4 +170,20 @@ Example of audio card declaration:
sound-dai = <&sti_sasg_codec 0>;
};
};
simple-audio-card,dai-link@2 {
/* TDM playback */
format = "left_j";
frame-inversion = <1>;
cpu {
sound-dai = <&sti_uni_player1>;
dai-tdm-slot-num = <16>;
dai-tdm-slot-width = <16>;
dai-tdm-slot-tx-mask =
<1 1 1 1 0 0 0 0 0 0 1 1 0 0 1 1>;
};
codec {
sound-dai = <&sti_sasg_codec 3>;
};
};
};