Make sure that we can enable and disable the power domains used for camcc when the clocks are and aren't used. Signed-off-by: Luca Weiss <luca.weiss@xxxxxxxxxxxxx> --- drivers/clk/qcom/camcc-sm6350.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/camcc-sm6350.c b/drivers/clk/qcom/camcc-sm6350.c index acba9f99d960..fc5532e2ee5b 100644 --- a/drivers/clk/qcom/camcc-sm6350.c +++ b/drivers/clk/qcom/camcc-sm6350.c @@ -7,6 +7,8 @@ #include <linux/clk-provider.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/pm_clock.h> +#include <linux/pm_runtime.h> #include <linux/regmap.h> #include <dt-bindings/clock/qcom,sm6350-camcc.h> @@ -1869,6 +1871,19 @@ MODULE_DEVICE_TABLE(of, camcc_sm6350_match_table); static int camcc_sm6350_probe(struct platform_device *pdev) { struct regmap *regmap; + int ret; + + ret = devm_pm_runtime_enable(&pdev->dev); + if (ret < 0) + return ret; + + ret = devm_pm_clk_create(&pdev->dev); + if (ret < 0) + return ret; + + ret = pm_runtime_get(&pdev->dev); + if (ret) + return ret; regmap = qcom_cc_map(pdev, &camcc_sm6350_desc); if (IS_ERR(regmap)) @@ -1879,14 +1894,22 @@ static int camcc_sm6350_probe(struct platform_device *pdev) clk_agera_pll_configure(&camcc_pll2, regmap, &camcc_pll2_config); clk_fabia_pll_configure(&camcc_pll3, regmap, &camcc_pll3_config); - return qcom_cc_really_probe(pdev, &camcc_sm6350_desc, regmap); + ret = qcom_cc_really_probe(pdev, &camcc_sm6350_desc, regmap); + pm_runtime_put(&pdev->dev); + + return ret; } +static const struct dev_pm_ops camcc_pm_ops = { + SET_RUNTIME_PM_OPS(pm_clk_suspend, pm_clk_resume, NULL) +}; + static struct platform_driver camcc_sm6350_driver = { .probe = camcc_sm6350_probe, .driver = { .name = "sm6350-camcc", .of_match_table = camcc_sm6350_match_table, + .pm = &camcc_pm_ops, }, }; -- 2.39.1