From: Matthias Kaehlcke <mka@chromium.org>
To: Andy Gross <andy.gross@linaro.org>,
David Brown <david.brown@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Zhang Rui <rui.zhang@intel.com>,
Eduardo Valentin <edubezval@gmail.com>
Cc: linux-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-pm@vger.kernel.org, David Collins <collinsd@codeaurora.org>,
Douglas Anderson <dianders@chromium.org>,
Stephen Boyd <sboyd@kernel.org>,
Matthias Kaehlcke <mka@chromium.org>
Subject: [PATCH v6 5/5] arm64: dts: qcom: pm8998: Add pm8998 thermal zone
Date: Tue, 31 Jul 2018 11:45:56 -0700 [thread overview]
Message-ID: <20180731184556.169290-5-mka@chromium.org> (raw)
In-Reply-To: <20180731184556.169290-1-mka@chromium.org>
The thermal zone uses spmi-temp-alarm as sensor, the trip points
correspond to the PMIC thermal stages 1 and 2. The critical trip
point at 125°C disables the partial PMIC shutdown at stage 2.
Without an IIO input the sensor only reports a limited number of
temperatures:
- 37°C for temperatures below 105°C
- 107°C for temperatures >= 105°C and < 125°C
- 127°C for temperatures >= 125°C
(the numbers correspond to a stage 1 threshold of 105°C)
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
---
Changes in v6:
- added 'Reviewed-by: Douglas Anderson <dianders@chromium.org>' tag
Changes in v5:
- removed 'stage2-shutdown-disabled' property from spmi-temp-alarm
- updated commit message
Changes in v4:
- updated trip point temperatures to match stage 1 and 2 ones
- disabled stage 2 shutdown
- updated commit message
Changes in v3:
- moved 'thermal-zones' node to the beginning of the .dtsi
Changes in v2:
- defined 'thermal-zones' node in pm8998.dtsi instead of using a label
to refer to it
- use 105°C hardware trip point as critical trip point
- reduced number of trip points to 2
- lowered temperature of passive trip point
- updated trip point names and added labels
- updated commit message
---
arch/arm64/boot/dts/qcom/pm8998.dtsi | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/pm8998.dtsi b/arch/arm64/boot/dts/qcom/pm8998.dtsi
index 7eea94701b23..34c259ba3919 100644
--- a/arch/arm64/boot/dts/qcom/pm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm8998.dtsi
@@ -3,6 +3,31 @@
#include <dt-bindings/spmi/spmi.h>
#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/thermal/thermal.h>
+
+/ {
+ thermal-zones {
+ pm8998 {
+ polling-delay-passive = <250>;
+ polling-delay = <1000>;
+
+ thermal-sensors = <&pm8998_temp>;
+
+ trips {
+ pm8998_alert0: pm8998-alert0 {
+ temperature = <105000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ pm8998_crit: pm8998-crit {
+ temperature = <125000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+ };
+};
&spmi_bus {
pm8998_lsid0: pmic@0 {
--
2.18.0.345.g5c9ce644c3-goog
next prev parent reply other threads:[~2018-07-31 18:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-31 18:45 [PATCH v6 1/5] dt-bindings: thermal: qcom-spmi-temp-alarm: Fix documentation of 'reg' Matthias Kaehlcke
2018-07-31 18:45 ` [PATCH v6 2/5] dt-bindings: thermal: qcom-spmi-temp-alarm: Improve thermal zone in example Matthias Kaehlcke
2018-07-31 18:45 ` [PATCH v6 3/5] thermal: qcom-spmi: Use PMIC thermal stage 2 for critical trip points Matthias Kaehlcke
2018-07-31 18:45 ` [PATCH v6 4/5] arm64: dts: qcom: pm8998: Add spmi-temp-alarm node Matthias Kaehlcke
2018-07-31 18:45 ` Matthias Kaehlcke [this message]
2018-07-31 18:59 [PATCH v6 1/5] dt-bindings: thermal: qcom-spmi-temp-alarm: Fix documentation of 'reg' Matthias Kaehlcke
2018-07-31 18:59 ` [PATCH v6 5/5] arm64: dts: qcom: pm8998: Add pm8998 thermal zone Matthias Kaehlcke
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180731184556.169290-5-mka@chromium.org \
--to=mka@chromium.org \
--cc=andy.gross@linaro.org \
--cc=catalin.marinas@arm.com \
--cc=collinsd@codeaurora.org \
--cc=david.brown@linaro.org \
--cc=devicetree@vger.kernel.org \
--cc=dianders@chromium.org \
--cc=edubezval@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux-soc@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=robh+dt@kernel.org \
--cc=rui.zhang@intel.com \
--cc=sboyd@kernel.org \
--cc=will.deacon@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).