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@xxxxxxxxx>
---
drivers/clk/qcom/camcc-sm6350.c | 29 ++++++++++++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/qcom/camcc-sm6350.c b/drivers/clk/qcom/camcc-sm6350.c
index acba9f99d960..dd65f3ef0857 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 +1894,26 @@ 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);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to register CAM CC clocks\n");
+ return ret;
+ }
+
+ return 0;
}
+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
