mailbox: qcom: Create APCS child device for clock controller
There is a clock controller functionality provided by the APCS hardware block of msm8916 devices. The device-tree would represent an APCS node with both mailbox and clock provider properties. Create a platform child device for the clock controller functionality so the driver can probe and use APCS as parent. Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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@ -29,6 +29,7 @@ struct qcom_apcs_ipc {
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struct regmap *regmap;
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unsigned long offset;
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struct platform_device *clk;
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};
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static const struct regmap_config apcs_regmap_config = {
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@ -96,6 +97,14 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
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return ret;
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}
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if (of_device_is_compatible(np, "qcom,msm8916-apcs-kpss-global")) {
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apcs->clk = platform_device_register_data(&pdev->dev,
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"qcom-apcs-msm8916-clk",
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-1, NULL, 0);
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if (IS_ERR(apcs->clk))
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dev_err(&pdev->dev, "failed to register APCS clk\n");
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}
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platform_set_drvdata(pdev, apcs);
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return 0;
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@ -104,8 +113,10 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
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static int qcom_apcs_ipc_remove(struct platform_device *pdev)
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{
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struct qcom_apcs_ipc *apcs = platform_get_drvdata(pdev);
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struct platform_device *clk = apcs->clk;
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mbox_controller_unregister(&apcs->mbox);
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platform_device_unregister(clk);
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return 0;
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}
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