[PATCH v5 0/2] Add LPASS VA CSR HeartBeat pulse clock support
Sarath Ganapathiraju via B4 Relay <[email protected]> Thu, 06 Aug 2026 20:21:35 +0530
| Newsgroups | org.kernel.vger.linux-clk,org.kernel.feeds.b4-sent,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
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| Message-ID | <[email protected]> |
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. Changes in v5: - Add explicit ARM64 Kconfig gating and Qualcomm default-module policy for QCOM_CLK_LPASS_HEARTBEAT_PULSE to align with nearby qcom clock entries (sashiko-bot). - Link to v4: https://patch.msgid.link/[email protected] Signed-off-by: Sarath Ganapathiraju <[email protected]> --- Sarath Ganapathiraju (2): dt-bindings: clock: qcom: Add LPASS VA CSR HeartBeat pulse clock clk: qcom: Add LPASS VA CSR heartbeat pulse clock .../bindings/clock/qcom,hawi-lpass-va-csr.yaml | 51 +++++++ drivers/clk/qcom/Kconfig | 14 ++ drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/lpass-va-csr.c | 148 +++++++++++++++++++++ 4 files changed, 214 insertions(+) --- base-commit: 1701fda2f58e345c050f4309971bdc07cd6146ba change-id: 20260805-master-20260805-sync-d892f9d7a2e0 Best regards, -- Sarath Ganapathiraju <[email protected]>