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[v6,00/11] soc: qcom: spm: add support for SPM regulator

Message ID 20231208004417.3393299-1-dmitry.baryshkov@linaro.org
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Series soc: qcom: spm: add support for SPM regulator | expand

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Dmitry Baryshkov Dec. 8, 2023, 12:44 a.m. UTC 
The apq8064 rework to use cacheinfo takes more than expected, so I've
spanwed this series. It is an excerpt of the APQ8064 cpufreq series
[1], so it it continues the version numbering for those patches.

The Subsystem Power Manager (SPM) / SPM AutoVoltageScaling Wrapper2
(SAW2) are hardware blocks used on some of Qualcomm platforms to handle
the voltage rails. It does this by bypassing RPM and directly
interfacing the PMIC. Extend current SPM driver to export this
regulator.

[1] https://lore.kernel.org/linux-arm-msm/20230827115033.935089-1-dmitry.baryshkov@linaro.org/

Changes since v5:
- Added patch that moves SPM structs out of the header file
- Removed support for L2 SAW regulator (Stephan Gerhold).
  msm8960/apq8064 do not use this SAW2 to manage this regulator and
  other platforms will need changes anyway.

Dmitry Baryshkov (11):
  dt-bindings: soc: qcom: merge qcom,saw2.txt into qcom,spm.yaml
  dt-bindings: soc: qcom: qcom,saw2: define optional regulator node
  soc: qcom: spm: remove driver-internal structures from the driver API
  soc: qcom: spm: add support for voltage regulator
  ARM: dts: qcom: apq8064: rename SAW nodes to power-manager
  ARM: dts: qcom: apq8064: declare SAW2 regulators
  ARM: dts: qcom: msm8960: declare SAW2 regulators
  ARM: dts: qcom: apq8084: drop 'regulator' property from SAW2 device
  ARM: dts: qcom: msm8974: drop 'regulator' property from SAW2 device
  ARM: dts: qcom: ipq4019: drop 'regulator' property from SAW2 devices
  ARM: dts: qcom: ipq8064: drop 'regulator' property from SAW2 devices

 .../devicetree/bindings/arm/msm/qcom,saw2.txt |  58 ----
 .../qcom/{qcom,spm.yaml => qcom,saw2.yaml}    |  39 ++-
 arch/arm/boot/dts/qcom/qcom-apq8064.dtsi      |  32 ++-
 arch/arm/boot/dts/qcom/qcom-apq8084.dtsi      |   1 -
 arch/arm/boot/dts/qcom/qcom-ipq4019.dtsi      |   5 -
 arch/arm/boot/dts/qcom/qcom-ipq8064.dtsi      |   2 -
 arch/arm/boot/dts/qcom/qcom-msm8960.dtsi      |  12 +-
 arch/arm/boot/dts/qcom/qcom-msm8974.dtsi      |   1 -
 drivers/soc/qcom/spm.c                        | 254 +++++++++++++++++-
 include/soc/qcom/spm.h                        |  23 +-
 10 files changed, 317 insertions(+), 110 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,saw2.txt
 rename Documentation/devicetree/bindings/soc/qcom/{qcom,spm.yaml => qcom,saw2.yaml} (57%)