summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/soundwire
diff options
context:
space:
mode:
authorSrinivasa Rao Mandadapu <quic_srivasam@quicinc.com>2022-03-03 17:02:08 +0300
committerVinod Koul <vkoul@kernel.org>2022-04-05 07:19:54 +0300
commit60657fb9b19d4ff310bdebfd1fd5a075678c29fb (patch)
treed7c43ab996531069636d8a566e453fdbcfe51b0e /Documentation/devicetree/bindings/soundwire
parentd6de188ad678feb7bc3043c9776cb8b6a7406c2f (diff)
downloadlinux-60657fb9b19d4ff310bdebfd1fd5a075678c29fb.tar.xz
dt-bindings: soundwire: qcom: Add bindings for audio clock reset control property
Update description for audio clock reset control property, which is required for latest chipsets, to allow rx, tx and wsa bus clock enabling in software control mode by configuring dynamic clock gating control registers. Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com> Co-developed-by: Venkata Prasad Potturu <quic_potturu@quicinc.com> Signed-off-by: Venkata Prasad Potturu <quic_potturu@quicinc.com> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1646316128-21082-3-git-send-email-quic_srivasam@quicinc.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/soundwire')
-rw-r--r--Documentation/devicetree/bindings/soundwire/qcom,sdw.txt14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt b/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt
index 51ddbc509382..c85c25779e3f 100644
--- a/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt
+++ b/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt
@@ -162,6 +162,18 @@ board specific bus parameters.
or applicable for the respective data port.
More info in MIPI Alliance SoundWire 1.0 Specifications.
+- reset:
+ Usage: optional
+ Value type: <prop-encoded-array>
+ Definition: Should specify the SoundWire audio CSR reset controller interface,
+ which is required for SoundWire version 1.6.0 and above.
+
+- reset-names:
+ Usage: optional
+ Value type: <stringlist>
+ Definition: should be "swr_audio_cgcr" for SoundWire audio CSR reset
+ controller interface.
+
Note:
More Information on detail of encoding of these fields can be
found in MIPI Alliance SoundWire 1.0 Specifications.
@@ -180,6 +192,8 @@ soundwire: soundwire@c85 {
interrupts = <20 IRQ_TYPE_EDGE_RISING>;
clocks = <&wcc>;
clock-names = "iface";
+ resets = <&lpass_audiocc LPASS_AUDIO_SWR_TX_CGCR>;
+ reset-names = "swr_audio_cgcr";
#sound-dai-cells = <1>;
qcom,dports-type = <0>;
qcom,dout-ports = <6>;