[RESEND,V6,3/3] firmware: imx: imx-scu: register build-in child devices
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Message ID 1551756791-31401-3-git-send-email-Anson.Huang@nxp.com
State Changes Requested
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Series
  • [RESEND,V6,1/3] watchdog: imx_sc: Add i.MX system controller watchdog support
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Commit Message

Anson Huang March 5, 2019, 3:38 a.m. UTC
For some devices which are controlled by system controller,
they are NOT present in device tree since no hardware info
needed, just register these devices as children of SCU device.
This patch registers i.MX system controller watchdog platform
device as child device of SCU.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
New added patch, it is to register SCU build-in child devices what are NOT in device tree.
---
 drivers/firmware/imx/imx-scu.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch
diff mbox series

diff --git a/drivers/firmware/imx/imx-scu.c b/drivers/firmware/imx/imx-scu.c
index 2bb1a19..df75ead 100644
--- a/drivers/firmware/imx/imx-scu.c
+++ b/drivers/firmware/imx/imx-scu.c
@@ -196,6 +196,7 @@  EXPORT_SYMBOL(imx_scu_call_rpc);
 
 static int imx_scu_probe(struct platform_device *pdev)
 {
+	struct platform_device *child_pdev;
 	struct device *dev = &pdev->dev;
 	struct imx_sc_ipc *sc_ipc;
 	struct imx_sc_chan *sc_chan;
@@ -248,6 +249,13 @@  static int imx_scu_probe(struct platform_device *pdev)
 
 	dev_info(dev, "NXP i.MX SCU Initialized\n");
 
+	/* register SCU child devices which are NOT in device tree */
+	child_pdev = platform_device_register_data(dev, "imx-sc-wdt",
+				PLATFORM_DEVID_NONE, NULL, 0);
+	if (IS_ERR(child_pdev))
+		dev_warn(dev, "failed to register scu watchdog device %ld!\n",
+			 PTR_ERR(child_pdev));
+
 	return devm_of_platform_populate(dev);
 }