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>

1 files changed, 39 insertions, 5 deletions

diff --git a/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt b/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
index f546dd914812..4d9a83d9a017 100644
--- a/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
+++ b/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
@@ -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>;
+                        };
+                };
         };