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| author | Biju Das <biju.das@bp.renesas.com> | 2018-08-10 10:53:02 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben.hutchings@codethink.co.uk> | 2018-09-12 21:13:11 +0100 |
| commit | 5745eda031829fa3917adccb4d4be537de8c056f (patch) | |
| tree | c651e830c2717a36e3d1f9c4ac868f087781ed85 | |
| parent | f430525031432193b600965d0405f766c73523e5 (diff) | |
| download | linux-cip-5745eda031829fa3917adccb4d4be537de8c056f.tar.gz | |
ARM: dts: iwg22d-sodimm: Sound DMA support via DVC on DTS
DMA transfer uses DVC
DMA DMApp
[MEM] -> [SRC] -> [DVC] -> [SSIU] -> [SSI]
DMA DMApp
[MEM] <- [DVC] <- [SRC] <- [SSIU] <- [SSI]
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 6f41d5e0872e4b55a5352ff79ab2452bff306753)
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
| -rw-r--r-- | arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts index 22cacb194bf6cd..94e9088f6b402f 100644 --- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts +++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts @@ -8,6 +8,29 @@ * kind, whether express or implied. */ +/* + * SSI-SGTL5000 + * + * This command is required when Playback/Capture + * + * amixer set "DVC Out" 100% + * amixer set "DVC In" 100% + * + * You can use Mute + * + * amixer set "DVC Out Mute" on + * amixer set "DVC In Mute" on + * + * You can use Volume Ramp + * + * amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps" + * amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps" + * amixer set "DVC Out Ramp" on + * aplay xxx.wav & + * amixer set "DVC Out" 80% // Volume Down + * amixer set "DVC Out" 100% // Volume Up + */ + /dts-v1/; #include "r8a7745-iwg22m.dtsi" @@ -152,8 +175,8 @@ rcar_sound,dai { dai0 { - playback = <&ssi3 &src3>; - capture = <&ssi4 &src4>; + playback = <&ssi3 &src3 &dvc0>; + capture = <&ssi4 &src4 &dvc1>; }; }; }; |