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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: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20230529-topic-sm6375gpuccpd-v1-2-8d57c41a6066@linaro.org
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parent
2f138c667c
commit
097d359c8c
1 changed files with 17 additions and 2 deletions
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@ -7,6 +7,7 @@
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#include <linux/clk-provider.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/regmap.h>
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#include <dt-bindings/clock/qcom,sm6375-gpucc.h>
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@ -434,15 +435,29 @@ MODULE_DEVICE_TABLE(of, gpucc_sm6375_match_table);
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static int gpucc_sm6375_probe(struct platform_device *pdev)
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{
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struct regmap *regmap;
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int ret;
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ret = devm_pm_runtime_enable(&pdev->dev);
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if (ret)
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return ret;
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ret = pm_runtime_resume_and_get(&pdev->dev);
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if (ret)
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return ret;
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regmap = qcom_cc_map(pdev, &gpucc_sm6375_desc);
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if (IS_ERR(regmap))
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if (IS_ERR(regmap)) {
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pm_runtime_put(&pdev->dev);
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return PTR_ERR(regmap);
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}
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clk_lucid_pll_configure(&gpucc_pll0, regmap, &gpucc_pll0_config);
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clk_lucid_pll_configure(&gpucc_pll1, regmap, &gpucc_pll1_config);
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return qcom_cc_really_probe(pdev, &gpucc_sm6375_desc, regmap);
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ret = qcom_cc_really_probe(pdev, &gpucc_sm6375_desc, regmap);
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pm_runtime_put(&pdev->dev);
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return ret;
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}
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static struct platform_driver gpucc_sm6375_driver = {
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