From 2ea44ca1ffccf89cfb9e6755156843e278ec9645 Mon Sep 17 00:00:00 2001 From: Anson Huang Date: Thu, 20 Dec 2018 08:56:07 +0000 Subject: 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: Anson Huang Reviewed-by: Rob Herring Signed-off-by: Alexandre Belloni --- Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt index 46d0af1f0872..0860346fc9eb 100644 --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt @@ -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"; + }; }; }; -- cgit v1.2.3