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@xxxxxxxxxx>
Acked-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---
drivers/mailbox/qcom-apcs-ipc-mailbox.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
index ab344bc6fa63..57bde0dfd12f 100644
--- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
+++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
@@ -29,6 +29,7 @@ struct qcom_apcs_ipc {
struct regmap *regmap;
unsigned long offset;
+ struct platform_device *clk;
};
static const struct regmap_config apcs_regmap_config = {
@@ -96,6 +97,14 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
return ret;
}
+ if (of_device_is_compatible(np, "qcom,msm8916-apcs-kpss-global")) {
+ apcs->clk = platform_device_register_data(&pdev->dev,
+ "qcom-apcs-msm8916-clk",
+ -1, NULL, 0);
+ if (IS_ERR(apcs->clk))
+ dev_err(&pdev->dev, "failed to register APCS clk\n");
+ }
+
platform_set_drvdata(pdev, apcs);
return 0;
@@ -104,8 +113,10 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
static int qcom_apcs_ipc_remove(struct platform_device *pdev)
{
struct qcom_apcs_ipc *apcs = platform_get_drvdata(pdev);
+ struct platform_device *clk = apcs->clk;
mbox_controller_unregister(&apcs->mbox);
+ platform_device_unregister(clk);
return 0;
}
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