diff mbox series

[V14,1/5] dt-bindings: fsl: scu: add thermal binding

Message ID 20190610025254.23940-1-Anson.Huang@nxp.com (mailing list archive)
State Superseded, archived
Headers show
Series [V14,1/5] dt-bindings: fsl: scu: add thermal binding | expand

Commit Message

Anson Huang June 10, 2019, 2:52 a.m. UTC 
From: Anson Huang <Anson.Huang@nxp.com>

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 thermal sensors etc. management, Linux kernel
has to communicate with system controller via MU (message unit)
IPC to get temperature from thermal sensors, this patch adds
binding doc for i.MX system controller thermal driver.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
No change.
---
 .../devicetree/bindings/arm/freescale/fsl,scu.txt        | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Comments

Aisheng Dong June 11, 2019, 11 a.m. UTC | #1 
> From: Anson.Huang@nxp.com [mailto:Anson.Huang@nxp.com]
> Sent: Monday, June 10, 2019 10:53 AM
> 
> 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
> thermal sensors etc. management, Linux kernel has to communicate with
> system controller via MU (message unit) IPC to get temperature from thermal
> sensors, this patch adds binding doc for i.MX system controller thermal driver.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> Reviewed-by: Rob Herring <robh@kernel.org>

Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>

Regards
Dong Aisheng
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
index a575e42..fc3844e 100644
--- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
+++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
@@ -155,6 +155,17 @@  Required properties:
 Optional properties:
 - timeout-sec: contains the watchdog timeout in seconds.
 
+Thermal bindings based on SCU Message Protocol
+------------------------------------------------------------
+
+Required properties:
+- compatible:			Should be :
+				  "fsl,imx8qxp-sc-thermal"
+				followed by "fsl,imx-sc-thermal";
+
+- #thermal-sensor-cells:	See Documentation/devicetree/bindings/thermal/thermal.txt
+				for a description.
+
 Example (imx8qxp):
 -------------
 aliases {
@@ -222,6 +233,11 @@  firmware {
 			compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
 			timeout-sec = <60>;
 		};
+
+		tsens: thermal-sensor {
+			compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
+			#thermal-sensor-cells = <1>;
+		};
 	};
 };