From 6ad2ef6530bcb9ab838975c1587c527bed422fbe Mon Sep 17 00:00:00 2001 From: Srinivas Kandagatla Date: Wed, 9 May 2018 13:56:15 +0100 Subject: [PATCH] ASoC: qdsp6: dt-bindings: Add q6afe dt bindings This patch add DT bindings for AFE (Audio Frontend) DSP module. Signed-off-by: Srinivas Kandagatla Reviewed-and-tested-by: Rohit kumar Reviewed-by: Rob Herring Reviewed-by: Banajit Goswami Signed-off-by: Mark Brown --- .../devicetree/bindings/sound/qcom,q6afe.txt | 104 +++++++++++++++++++++ include/dt-bindings/sound/qcom,q6afe.h | 31 ++++++ 2 files changed, 135 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6afe.txt create mode 100644 include/dt-bindings/sound/qcom,q6afe.h diff --git a/Documentation/devicetree/bindings/sound/qcom,q6afe.txt b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt new file mode 100644 index 0000000..14335a0 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt @@ -0,0 +1,104 @@ +Qualcomm Audio Front End (Q6AFE) binding + +AFE is one of the APR audio service on Q6DSP +Please refer to qcom,apr.txt for details of the common apr service bindings +used by all apr services. Must contain the following properties. + +- compatible: + Usage: required + Value type: + Definition: must be "qcom,q6afe-v." + Or "qcom,q6afe" where the version number can be queried + from DSP. + example "qcom,q6afe" + += AFE DAIs (Digial Audio Interface) +"dais" subnode of the AFE node. It represents afe dais, each afe dai is a +subnode of "dais" representing board specific dai setup. +"dais" node should have following properties followed by dai children. + +- #sound-dai-cells + Usage: required + Value type: + Definition: Must be 1 + +- #address-cells + Usage: required + Value type: + Definition: Must be 1 + +- #size-cells + Usage: required + Value type: + Definition: Must be 0 + +== AFE DAI is subnode of "dais" and represent a dai, it includes board specific +configuration of each dai. Must contain the following properties. + +- reg + Usage: required + Value type: + Definition: Must be dai id + +- qcom,sd-lines + Usage: required for mi2s interface + Value type: + Definition: Must be list of serial data lines used by this dai. + should be one or more of the 1-4 sd lines. + += EXAMPLE + +q6afe@4 { + compatible = "qcom,q6afe"; + reg = ; + + dais { + #sound-dai-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + + hdmi@1 { + reg = <1>; + }; + + prim-mi2s-rx@16 { + reg = <16>; + qcom,sd-lines = <1 3>; + }; + + prim-mi2s-tx@17 { + reg = <17>; + qcom,sd-lines = <2>; + }; + + sec-mi2s-rx@18 { + reg = <18>; + qcom,sd-lines = <1 4>; + }; + + sec-mi2s-tx@19 { + reg = <19>; + qcom,sd-lines = <2>; + }; + + tert-mi2s-rx@20 { + reg = <20>; + qcom,sd-lines = <2 4>; + }; + + tert-mi2s-tx@21 { + reg = <21>; + qcom,sd-lines = <1>; + }; + + quat-mi2s-rx@22 { + reg = <22>; + qcom,sd-lines = <1>; + }; + + quat-mi2s-tx@23 { + reg = <23>; + qcom,sd-lines = <2>; + }; + }; +}; diff --git a/include/dt-bindings/sound/qcom,q6afe.h b/include/dt-bindings/sound/qcom,q6afe.h new file mode 100644 index 0000000..e162045 --- /dev/null +++ b/include/dt-bindings/sound/qcom,q6afe.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __DT_BINDINGS_Q6_AFE_H__ +#define __DT_BINDINGS_Q6_AFE_H__ + +/* Audio Front End (AFE) virtual ports IDs */ +#define HDMI_RX 1 +#define SLIMBUS_0_RX 2 +#define SLIMBUS_0_TX 3 +#define SLIMBUS_1_RX 4 +#define SLIMBUS_1_TX 5 +#define SLIMBUS_2_RX 6 +#define SLIMBUS_2_TX 7 +#define SLIMBUS_3_RX 8 +#define SLIMBUS_3_TX 9 +#define SLIMBUS_4_RX 10 +#define SLIMBUS_4_TX 11 +#define SLIMBUS_5_RX 12 +#define SLIMBUS_5_TX 13 +#define SLIMBUS_6_RX 14 +#define SLIMBUS_6_TX 15 +#define PRIMARY_MI2S_RX 16 +#define PRIMARY_MI2S_TX 17 +#define SECONDARY_MI2S_RX 18 +#define SECONDARY_MI2S_TX 19 +#define TERTIARY_MI2S_RX 20 +#define TERTIARY_MI2S_TX 21 +#define QUATERNARY_MI2S_RX 22 +#define QUATERNARY_MI2S_TX 23 + +#endif /* __DT_BINDINGS_Q6_AFE_H__ */ + -- 2.7.4