Driven via the Raspberry Pi VideoCore 4 firmware interface.
Signed-off-by: Lubomir Rintel <[email protected]>
Cc: Stephen Warren <[email protected]>
Cc: Lee Jones <[email protected]>
Cc: Eric Anholt <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
Needs the RPi firmware patchset from branch 'rpi-firmware' of
https://github.com/anholt/linux
.../bindings/thermal/raspberrypi,bcm2835-thermal.txt | 13 +++++++++++++
arch/arm/boot/dts/bcm2835-rpi.dtsi | 5 +++++
2 files changed, 18 insertions(+)
create mode 100644
Documentation/devicetree/bindings/thermal/raspberrypi,bcm2835-thermal.txt
diff --git
a/Documentation/devicetree/bindings/thermal/raspberrypi,bcm2835-thermal.txt
b/Documentation/devicetree/bindings/thermal/raspberrypi,bcm2835-thermal.txt
new file mode 100644
index 0000000..f323f35
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/raspberrypi,bcm2835-thermal.txt
@@ -0,0 +1,13 @@
+Raspberry Pi Broadcom BCM2835 thermal control
+
+Required properties:
+
+- compatible : should be "raspberrypi,bcm2835-thermal"
+- firmware : the Raspberry Pi firmware node
+
+Example:
+
+thermal {
+ compatible = "raspberrypi,bcm2835-thermal";
+ firmware = <&firmware>;
+};
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi
b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index ab5474e..727bbf8 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -20,6 +20,11 @@
compatible = "raspberrypi,bcm2835-firmware";
mboxes = <&mailbox>;
};
+
+ thermal {
+ compatible = "raspberrypi,bcm2835-thermal";
+ firmware = <&firmware>;
+ };
};
};
--
2.4.3
--
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