Commit 2ea44ca1 authored by Anson Huang's avatar Anson Huang Committed by Alexandre Belloni

dt-bindings: fsl: scu: add rtc binding

NXP i.MX8QXP is an ARMv8 SoC with a Cortex-M4 core inside as
system controller, the system controller is in charge of system
power, clock and secure RTC etc. management, Linux kernel
has to communicate with system controller via MU (message unit)
IPC to do RTC operation, this patch adds binding doc for i.MX
system controller RTC driver.
Signed-off-by: default avatarAnson Huang <Anson.Huang@nxp.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 3c3d7101
......@@ -114,6 +114,12 @@ Required properties for Pinctrl sub nodes:
[2] Documentation/devicetree/bindings/power/power_domain.txt
[3] Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt
RTC bindings based on SCU Message Protocol
------------------------------------------------------------
Required properties:
- compatible: should be "fsl,imx8qxp-sc-rtc";
Example (imx8qxp):
-------------
lsio_mu1: mailbox@5d1c0000 {
......@@ -169,6 +175,10 @@ firmware {
};
...
};
rtc: rtc {
compatible = "fsl,imx8qxp-sc-rtc";
};
};
};
......
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