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Message-ID: <1554881866-26333-1-git-send-email-Anson.Huang@nxp.com>
Date: Wed, 10 Apr 2019 07:43:04 +0000
From: Anson Huang <anson.huang@....com>
To: "robh+dt@...nel.org" <robh+dt@...nel.org>,
"mark.rutland@....com" <mark.rutland@....com>,
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CC: dl-linux-imx <linux-imx@....com>
Subject: [PATCH RESEND V11 1/4] dt-bindings: fsl: scu: add thermal 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 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@....com>
---
Changes since V10:
- remove property "imx,sensor-resource-id".
---
.../devicetree/bindings/arm/freescale/fsl,scu.txt | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
index 72d481c..023fb5c 100644
--- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
+++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
@@ -122,6 +122,17 @@ RTC bindings based on SCU Message Protocol
Required properties:
- compatible: should be "fsl,imx8qxp-sc-rtc";
+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):
-------------
lsio_mu1: mailbox@...c0000 {
@@ -168,6 +179,11 @@ firmware {
rtc: rtc {
compatible = "fsl,imx8qxp-sc-rtc";
};
+
+ tsens: thermal-sensor {
+ compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
+ #thermal-sensor-cells = <1>;
+ };
};
};
--
2.7.4
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