Thread (9 messages) 9 messages, 3 authors, 2015-12-16

[PATCH v5 2/3] arm64: dts: mt8173: Add thermal zone node.

From: dawei chien <hidden>
Date: 2015-12-16 10:09:20
Also in: linux-devicetree, linux-mediatek, linux-pm, lkml

On Wed, 2015-12-16 at 16:34 +0800, Daniel Kurtz wrote:
On Wed, Dec 16, 2015 at 11:59 AM, Dawei Chien [off-list ref] wrote:
quoted
This adds thermal zone node to Mediatek MT8173 dtsi file.

Signed-off-by: Dawei Chien <redacted>
---
This patch is base on patchset:
https://lkml.org/lkml/2015/11/30/239
---
 arch/arm64/boot/dts/mediatek/mt8173.dtsi |   43 ++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index fda805d..4114cee 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -188,6 +188,49 @@
                clock-output-names = "cpum_ck";
        };

+       thermal-zones {
+               cpu_thermal: cpu_thermal {
+                       polling-delay-passive = <1000>; /* milliseconds */
+                       polling-delay = <1000>; /* milliseconds */
+
+                       thermal-sensors = <&thermal 0>;
This should be <&thermal> with the MTK temp sensor node in
https://lkml.org/lkml/2015/11/30/239 patch series.

-Dan
Hi Dan,
Sascha's thermal driver V12 only register sensor id as 0, so we need to
register sensor id as 0 to device tree as well.

Either <&thermal 0> or <&thermal>, sensor id should be 0 for two cases.
I try this two case, function all work fine for two cases. May I have
any misunderstand? Please kindly give your comment.
I will re-send this patch again once you tell me the reason, thank you.

BR,
Dawei
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