From 425da20a98e0ab6ba6b37ff00ab50519d7dd7740 Mon Sep 17 00:00:00 2001 From: KaiChieh Chuang Date: Wed, 30 Jan 2019 14:47:11 +0800 Subject: [PATCH] ASoC: mediatek: add documents for btcvsd driver document for btcvsd driver Signed-off-by: KaiChieh Chuang Signed-off-by: Mark Brown --- .../bindings/sound/mtk-btcvsd-snd.txt | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt diff --git a/Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt b/Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt new file mode 100644 index 000000000000..679e44839b48 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt @@ -0,0 +1,24 @@ +Mediatek ALSA BT SCO CVSD/MSBC Driver + +Required properties: +- compatible = "mediatek,mtk-btcvsd-snd"; +- reg: register location and size of PKV and SRAM_BANK2 +- interrupts: should contain BTSCO interrupt +- mediatek,infracfg: the phandles of INFRASYS +- mediatek,offset: Array contains of register offset and mask + infra_misc_offset, + infra_conn_bt_cvsd_mask, + cvsd_mcu_read_offset, + cvsd_mcu_write_offset, + cvsd_packet_indicator_offset + +Example: + + mtk-btcvsd-snd@18000000 { + compatible = "mediatek,mtk-btcvsd-snd"; + reg=<0 0x18000000 0 0x1000>, + <0 0x18080000 0 0x8000>; + interrupts = ; + mediatek,infracfg = <&infrasys>; + mediatek,offset = <0xf00 0x800 0xfd0 0xfd4 0xfd8>; + };