Commit 097d359c authored by Konrad Dybcio's avatar Konrad Dybcio Committed by Bjorn Andersson
Browse files

clk: qcom: gpucc-sm6375: Enable runtime pm 



The GPUCC block on SM6375 is powered by VDD_CX and VDD_GX. If the latter
rail is not online, GX_GDSC will never turn on. Enable runtime pm so that
we can reference VDD_GX from the dt to ensure that.

Signed-off-by: default avatarKonrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230529-topic-sm6375gpuccpd-v1-2-8d57c41a6066@linaro.org
parent 2f138c66

drivers/clk/qcom/gpucc-sm6375.c

+17 −2
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
#include <linux/clk-provider.h>

#include <linux/module.h>

#include <linux/of_device.h>

#include <linux/pm_runtime.h>

#include <linux/regmap.h>



#include <dt-bindings/clock/qcom,sm6375-gpucc.h>
@@ -434,15 +435,29 @@ MODULE_DEVICE_TABLE(of, gpucc_sm6375_match_table); 
static int gpucc_sm6375_probe(struct platform_device *pdev)

{

	struct regmap *regmap;

	int ret;



	ret = devm_pm_runtime_enable(&pdev->dev);

	if (ret)

		return ret;



	ret = pm_runtime_resume_and_get(&pdev->dev);

	if (ret)

		return ret;



	regmap = qcom_cc_map(pdev, &gpucc_sm6375_desc);

	if (IS_ERR(regmap))

	if (IS_ERR(regmap)) {

		pm_runtime_put(&pdev->dev);

		return PTR_ERR(regmap);

	}



	clk_lucid_pll_configure(&gpucc_pll0, regmap, &gpucc_pll0_config);

	clk_lucid_pll_configure(&gpucc_pll1, regmap, &gpucc_pll1_config);



	return qcom_cc_really_probe(pdev, &gpucc_sm6375_desc, regmap);

	ret = qcom_cc_really_probe(pdev, &gpucc_sm6375_desc, regmap);

	pm_runtime_put(&pdev->dev);



	return ret;

}



static struct platform_driver gpucc_sm6375_driver = {