kernel/linux.git/drivers/clk/qcom/common.h, branch v7.0.10

clk: qcom: common: Add support to register rcg dfs in qcom_cc_really_probe

2025-07-17T04:17:04+00:00

Add support to register the rcg dfs in qcom_cc_really_probe(). This allows users to move the call from the probe function to static properties. Signed-off-by: Luca Weiss Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20250715-sm7635-clocks-v3-1-18f9faac4984@fairphone.com Signed-off-by: Bjorn Andersson

clk: qcom: common: Add support to configure clk regs in qcom_cc_really_probe

2025-06-10T17:59:19+00:00

Add support to configure PLLS and clk registers in qcom_cc_really_probe(). This ensures all required power domains are enabled and kept ON by runtime PM code in qcom_cc_really_probe() before configuring the PLLS or clock registers. Add support for qcom_cc_driver_data struct to maintain the clock controllers PLLs and CBCRs data, and a pointer of it can be stored in clock descriptor structure. If any clock controller driver requires to program some additional misc register settings, it can register the clk_regs_configure() callback in the driver data. Reviewed-by: Bryan O'Donoghue Reviewed-by: Dmitry Baryshkov Signed-off-by: Jagadeesh Kona Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20250530-videocc-pll-multi-pd-voting-v5-6-02303b3a582d@quicinc.com Signed-off-by: Bjorn Andersson

clk: qcom: common: Handle runtime power management in qcom_cc_really_probe

2025-06-10T17:59:19+00:00

Add support for runtime power management in qcom_cc_really_probe() to commonize it across all the clock controllers. The runtime power management is not required for all clock controllers, hence handle the rpm based on use_rpm flag in clock controller descriptor. Reviewed-by: Dmitry Baryshkov Reviewed-by: Bryan O'Donoghue Signed-off-by: Jagadeesh Kona Link: https://lore.kernel.org/r/20250530-videocc-pll-multi-pd-voting-v5-5-02303b3a582d@quicinc.com Signed-off-by: Bjorn Andersson

clk: qcom: constify static 'struct qcom_icc_hws_data'

2024-10-06T03:18:22+00:00

Drivers and core code does not modify the file-scope static 'struct qcom_icc_hws_data', so it can be made const for code safety and readability. Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20240905150235.276345-1-krzysztof.kozlowski@linaro.org Signed-off-by: Bjorn Andersson

clk: qcom: common: Add interconnect clocks support

2024-07-08T16:40:57+00:00

Unlike MSM platforms that manage NoC related clocks and scaling from RPM, IPQ SoCs dont involve RPM in managing NoC related clocks and there is no NoC scaling. However, there is a requirement to enable some NoC interface clocks for accessing the peripheral controllers present on these NoCs. Though exposing these as normal clocks would work, having a minimalistic interconnect driver to handle these clocks would make it consistent with other Qualcomm platforms resulting in common code paths. This is similar to msm8996-cbf's usage of icc-clk framework. Signed-off-by: Varadarajan Narayanan Link: https://lore.kernel.org/r/20240430064214.2030013-5-quic_varada@quicinc.com Signed-off-by: Bjorn Andersson

clk: qcom: common: commonize qcom_cc_really_probe

2024-06-13T04:04:26+00:00

The previous wrapper qcom_cc_really_probe takes the platform device as parameter, which is limited to platform driver. As for qca8k clock controller driver, which is registered as the MDIO device, which also follows the qcom clock framework. To commonize qcom_cc_really_probe, updating it to take the struct device as parameter, so that the qcom_cc_really_probe can be utilized by the previous platform device and the new added MDIO device. Also update the current clock controller drivers to take &pdev->dev as parameter when calling qcom_cc_really_probe. Reviewed-by: Stephen Boyd Tested-by: Bryan O'Donoghue Reviewed-by: Bryan O'Donoghue Signed-off-by: Luo Jie Link: https://lore.kernel.org/r/20240605124541.2711467-4-quic_luoj@quicinc.com Signed-off-by: Bjorn Andersson

clk: qcom: clk-rcg2: add support for rcg2 freq multi ops

2024-04-27T18:01:14+00:00

Some RCG frequency can be reached by multiple configuration. Add clk_rcg2_fm_ops ops to support these special RCG configurations. These alternative ops will select the frequency using a CEIL policy. When the correct frequency is found, the correct config is selected by calculating the final rate (by checking the defined parent and values in the config that is being checked) and deciding based on the one that is less different than the requested one. These check are skipped if there is just one config for the requested freq. qcom_find_freq_multi is added to search the freq with the new struct freq_multi_tbl. __clk_rcg2_select_conf is used to select the correct conf by simulating the final clock. If a conf can't be found due to parent not reachable, a WARN is printed and -EINVAL is returned. Tested-by: Wei Lei Signed-off-by: Christian Marangi Acked-by: Stephen Boyd Link: https://lore.kernel.org/r/20231220221724.3822-3-ansuelsmth@gmail.com Signed-off-by: Bjorn Andersson

clk: qcom: regmap-mux: fix parent clock lookup

2021-12-02T23:07:34+00:00

The function mux_get_parent() uses qcom_find_src_index() to find the parent clock index, which is incorrect: qcom_find_src_index() uses src enum for the lookup, while mux_get_parent() should use cfg field (which corresponds to the register value). Add qcom_find_cfg_index() function doing this kind of lookup and use it for mux parent lookup. Fixes: df964016490b ("clk: qcom: add parent map for regmap mux") Cc: stable@vger.kernel.org Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20211115233407.1046179-1-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd

clk: qcom: define probe by index API as common API

2019-08-08T15:20:01+00:00

Extend the probe by index API in common code to be used by other qcom clock controller. Signed-off-by: Govind Singh Signed-off-by: Stephen Boyd

clk: qcom: Make common clk_hw registrations

2019-02-22T08:06:57+00:00

Several clock controller drivers define a list of clk_hw devices, and then register those devices in probe() before using common code to process the rest of initialization. Extend the common code to accept a list of clk_hw devices to process, thus eliminating many duplicate implementations. Signed-off-by: Jeffrey Hugo Suggested-by: Stephen Boyd Reviewed-by: Vinod Koul Tested-by: Vinod Koul Signed-off-by: Stephen Boyd