ASoC: rsnd: add sample code of dma entry

rsnd driver supports Audio DMAC (via DMAEngine) /
Audio DMAC peri peri (via rsnd driver) now.
This patch adds DT binding sample code on DT binging text

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
index 503967ba39dba3e003c9c2b5e38aeac62e485eaa..6e660d4f3631bc5e0654a9cf0c3e13677c54a8e0 100644 (file)
--- a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
+++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
@@ -29,9 +29,17 @@ SSI subnode properties:
 - shared-pin                   : if shared clock pin
 - pio-transfer                 : use PIO transfer mode
 - no-busif                     : BUSIF is not ussed when [mem -> SSI] via DMA case
+- dma                          : Should contain Audio DMAC entry
+- dma-names                    : SSI  case "rx"  (=playback), "tx"  (=capture)
+                                 SSIU case "rxu" (=playback), "txu" (=capture)
 
 SRC subnode properties:
-no properties at this point
+- dma                          : Should contain Audio DMAC entry
+- dma-names                    : "rx" (=playback), "tx" (=capture)
+
+DVC subnode properties:
+- dma                          : Should contain Audio DMAC entry
+- dma-names                    : "tx" (=playback/capture)
 
 DAI subnode properties:
 - playback                     : list of playback modules
@@ -69,73 +77,119 @@ rcar_sound: rcar_sound@ec500000 {
                        "clk_a", "clk_b", "clk_c", "clk_i";
 
        rcar_sound,dvc {
-               dvc0: dvc@0 { };
-               dvc1: dvc@1 { };
+               dvc0: dvc@0 {
+                       dmas = <&audma0 0xbc>;
+                       dma-names = "tx";
+               };
+               dvc1: dvc@1 {
+                       dmas = <&audma0 0xbe>;
+                       dma-names = "tx";
+               };
        };
 
        rcar_sound,src {
                src0: src@0 {
                        interrupts = <0 352 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x85>, <&audma1 0x9a>;
+                       dma-names = "rx", "tx";
                };
                src1: src@1 {
                        interrupts = <0 353 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x87>, <&audma1 0x9c>;
+                       dma-names = "rx", "tx";
                };
                src2: src@2 {
                        interrupts = <0 354 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x89>, <&audma1 0x9e>;
+                       dma-names = "rx", "tx";
                };
                src3: src@3 {
                        interrupts = <0 355 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x8b>, <&audma1 0xa0>;
+                       dma-names = "rx", "tx";
                };
                src4: src@4 {
                        interrupts = <0 356 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x8d>, <&audma1 0xb0>;
+                       dma-names = "rx", "tx";
                };
                src5: src@5 {
                        interrupts = <0 357 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x8f>, <&audma1 0xb2>;
+                       dma-names = "rx", "tx";
                };
                src6: src@6 {
                        interrupts = <0 358 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x91>, <&audma1 0xb4>;
+                       dma-names = "rx", "tx";
                };
                src7: src@7 {
                        interrupts = <0 359 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x93>, <&audma1 0xb6>;
+                       dma-names = "rx", "tx";
                };
                src8: src@8 {
                        interrupts = <0 360 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x95>, <&audma1 0xb8>;
+                       dma-names = "rx", "tx";
                };
                src9: src@9 {
                        interrupts = <0 361 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x97>, <&audma1 0xba>;
+                       dma-names = "rx", "tx";
                };
        };
 
        rcar_sound,ssi {
                ssi0: ssi@0 {
                        interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x01>, <&audma1 0x02>, <&audma0 0x15>, <&audma1 0x16>;
+                       dma-names = "rx", "tx", "rxu", "txu";
                };
                ssi1: ssi@1 {
                        interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x03>, <&audma1 0x04>, <&audma0 0x49>, <&audma1 0x4a>;
+                       dma-names = "rx", "tx", "rxu", "txu";
                };
                ssi2: ssi@2 {
                        interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x05>, <&audma1 0x06>, <&audma0 0x63>, <&audma1 0x64>;
+                       dma-names = "rx", "tx", "rxu", "txu";
                };
                ssi3: ssi@3 {
                        interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x07>, <&audma1 0x08>, <&audma0 0x6f>, <&audma1 0x70>;
+                       dma-names = "rx", "tx", "rxu", "txu";
                };
                ssi4: ssi@4 {
                        interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x09>, <&audma1 0x0a>, <&audma0 0x71>, <&audma1 0x72>;
+                       dma-names = "rx", "tx", "rxu", "txu";
                };
                ssi5: ssi@5 {
                        interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x0b>, <&audma1 0x0c>, <&audma0 0x73>, <&audma1 0x74>;
+                       dma-names = "rx", "tx", "rxu", "txu";
                };
                ssi6: ssi@6 {
                        interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x0d>, <&audma1 0x0e>, <&audma0 0x75>, <&audma1 0x76>;
+                       dma-names = "rx", "tx", "rxu", "txu";
                };
                ssi7: ssi@7 {
                        interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x0f>, <&audma1 0x10>, <&audma0 0x79>, <&audma1 0x7a>;
+                       dma-names = "rx", "tx", "rxu", "txu";
                };
                ssi8: ssi@8 {
                        interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x11>, <&audma1 0x12>, <&audma0 0x7b>, <&audma1 0x7c>;
+                       dma-names = "rx", "tx", "rxu", "txu";
                };
                ssi9: ssi@9 {
                        interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&audma0 0x13>, <&audma1 0x14>, <&audma0 0x7d>, <&audma1 0x7e>;
+                       dma-names = "rx", "tx", "rxu", "txu";
                };
        };