From: Prasad Kumpatla <prasad.kumpatla@oss.qualcomm.com>
To: sarath.ganapathiraju@oss.qualcomm.com, andersson@kernel.org,
abelvesa@kernel.org, sboyd@kernel.org, bmasney+clk@redhat.com,
jbrunet+clk@baylibre.com, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org, srinivas.kandagatla@oss.qualcomm.com
Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v10 0/2] Add LPASS VA CSR HeartBeat pulse clock support
Date: Wed, 30 Sep 2026 22:35:41 +0530 [thread overview]
Message-ID: <e25bedbe-8ccd-478d-882d-3707e176fb51@oss.qualcomm.com> (raw)
In-Reply-To: <20260930-master-v10-0-105207bc5275@oss.qualcomm.com>
On 9/30/2026 3:21 PM, Sarath Ganapathiraju via B4 Relay wrote:
> The LPASS VA CSR block contains rate generator hardware that produces
> a HeartBeat Pulse (also known as RateGen Pulse). This pulse
> synchronizes the start of the DMAs and Codec Interfaces for the audio
> usecases and can serve as a periodic wakeup source for the DSP.
>
> This series adds the DT binding and driver support to model this
> rate generator as a clock provider.
>
> Patch 1 adds the YAML binding for the new qcom,hawi-lpass-va-csr
> clock provider node under Documentation/devicetree/bindings/clock/.
>
> Patch 2 adds the lpass-va-csr driver under drivers/clk/qcom that
> registers the lpass_heartbeat_pulse clock and enables/disables the
> rate generator via regmap when the clock consumer requests it.
Tested on Hawi - WCD Headset Playback and Record working fine.
Reviewed-by: Prasad Kumpatla <prasad.kumpatla@oss.qualcomm.com>
Tested-by: Prasad Kumpatla <prasad.kumpatla@oss.qualcomm.com>
prev parent reply other threads:[~2026-09-30 17:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-30 9:51 Sarath Ganapathiraju via B4 Relay
2026-09-30 9:51 ` [PATCH v10 1/2] dt-bindings: clock: qcom: Add LPASS VA CSR HeartBeat pulse clock Sarath Ganapathiraju via B4 Relay
2026-09-30 9:51 ` [PATCH v10 2/2] clk: qcom: Add LPASS VA CSR heartbeat " Sarath Ganapathiraju via B4 Relay
2026-09-30 17:05 ` Prasad Kumpatla [this message]
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