From: Bryan Brattlof <bb@ti.com>
To: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Amit Kucheria <amitk@kernel.org>, Zhang Rui <rui.zhang@intel.com>,
Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>,
Tero Kristo <kristo@kernel.org>, Keerthy <j-keerthy@ti.com>,
Linux Thermal <linux-pm@vger.kernel.org>,
Linux Device Tree <devicetree@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Bryan Brattlof <bb@ti.com>
Subject: [PATCH 08/11] arm64: dts: ti: k3-am62-wakeup: add VTM node
Date: Tue, 11 Oct 2022 18:17:24 -0500 [thread overview]
Message-ID: <20221011231727.8090-9-bb@ti.com> (raw)
In-Reply-To: <20221011231727.8090-1-bb@ti.com>
The am62x supports a single Voltage and Thermal Management (VTM) module
located in the wakeup domain with two associated temperature monitors
located in hot spots of the die.
Signed-off-by: Bryan Brattlof <bb@ti.com>
---
arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi | 33 +++++++++++++++++++++
arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 8 +++++
arch/arm64/boot/dts/ti/k3-am62.dtsi | 7 ++++-
3 files changed, 47 insertions(+), 1 deletion(-)
create mode 100644 arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi
diff --git a/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi
new file mode 100644
index 0000000000000..1819a6948b19d
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/thermal/thermal.h>
+
+thermal_zones: thermal-zones {
+ main0_thermal: main0-thermal {
+ polling-delay-passive = <250>; /* milliSeconds */
+ polling-delay = <500>; /* milliSeconds */
+ thermal-sensors = <&vtm0 0>;
+
+ trips {
+ main0_crit: main0-crit {
+ temperature = <105000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+ };
+
+ main1_thermal: main1-thermal {
+ polling-delay-passive = <250>; /* milliSeconds */
+ polling-delay = <500>; /* milliSeconds */
+ thermal-sensors = <&vtm0 1>;
+
+ trips {
+ main1_crit: main1-crit {
+ temperature = <105000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
index 4090134676cf6..3954a73a33f35 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
@@ -38,4 +38,12 @@ wkup_i2c0: i2c@2b200000 {
clocks = <&k3_clks 107 4>;
clock-names = "fck";
};
+
+ vtm0: temperature-sensor@b00000 {
+ compatible = "ti,j7200-vtm";
+ reg = <0x00 0xb00000 0x00 0x400>,
+ <0x00 0xb01000 0x00 0x400>;
+ power-domains = <&k3_pds 95 TI_SCI_PD_EXCLUSIVE>;
+ #thermal-sensor-cells = <1>;
+ };
};
diff --git a/arch/arm64/boot/dts/ti/k3-am62.dtsi b/arch/arm64/boot/dts/ti/k3-am62.dtsi
index 37fcbe7a3c336..1795f3ee534e0 100644
--- a/arch/arm64/boot/dts/ti/k3-am62.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62.dtsi
@@ -80,6 +80,7 @@ cbass_main: bus@f0000 {
<0x00 0x04000000 0x00 0x04000000 0x00 0x01ff1400>,
/* Wakeup Domain Range */
+ <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */
<0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>,
<0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>;
@@ -94,10 +95,14 @@ cbass_wakeup: bus@2b000000 {
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <2>;
- ranges = <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, /* Peripheral Window */
+ ranges = <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */
+ <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, /* Peripheral Window */
<0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>;
};
};
+
+ #include "k3-am62-thermal.dtsi"
+
};
/* Now include the peripherals for each bus segments */
--
2.38.0
next prev parent reply other threads:[~2022-10-11 23:18 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-11 23:17 [PATCH 00/11] enable VTM node of all TI's K3 SoCs Bryan Brattlof
2022-10-11 23:17 ` [PATCH 01/11] thermal: k3_j72xx_bandgap: simplify k3_thermal_get_temp() function Bryan Brattlof
2022-10-11 23:17 ` [PATCH 02/11] thermal: k3_j72xx_bandgap: use bool for i2128 erratum flag Bryan Brattlof
2022-10-11 23:17 ` [PATCH 03/11] thermal: k3_j72xx_bandgap: remove fuse_base from structure Bryan Brattlof
2022-10-11 23:17 ` [PATCH 04/11] thermal: k3_j72xx_bandgap: map fuse_base only for erratum workaround Bryan Brattlof
2022-10-11 23:17 ` [PATCH 05/11] dt-bindings: thermal: k3-j72xx: elaborate on binding descriptions Bryan Brattlof
2022-10-12 13:36 ` Krzysztof Kozlowski
2022-10-12 18:19 ` Bryan Brattlof
2022-10-13 23:30 ` Krzysztof Kozlowski
2022-10-11 23:17 ` [PATCH 06/11] dt-bindings: thermal: k3-j72xx: conditionally require efuse reg range Bryan Brattlof
2022-10-12 13:19 ` Rob Herring
2022-10-12 13:38 ` Krzysztof Kozlowski
2022-10-12 18:15 ` Bryan Brattlof
2022-10-12 13:39 ` Krzysztof Kozlowski
2022-10-11 23:17 ` [PATCH 07/11] arm64: dts: ti: k3-am64-main: add VTM node Bryan Brattlof
2022-10-11 23:17 ` Bryan Brattlof [this message]
2022-10-11 23:17 ` [PATCH 09/11] arm64: dts: ti: k3-j721e-mcu-wakeup: " Bryan Brattlof
2022-10-11 23:17 ` [PATCH 10/11] arm64: dts: ti: k3-j721s2-mcu-wakeup: " Bryan Brattlof
2022-10-11 23:17 ` [PATCH 11/11] arm64: dts: ti: k3-j7200-mcu-wakeup: " Bryan Brattlof
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=20221011231727.8090-9-bb@ti.com \
--to=bb@ti.com \
--cc=amitk@kernel.org \
--cc=daniel.lezcano@linaro.org \
--cc=devicetree@vger.kernel.org \
--cc=j-keerthy@ti.com \
--cc=kristo@kernel.org \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=nm@ti.com \
--cc=rafael@kernel.org \
--cc=robh+dt@kernel.org \
--cc=rui.zhang@intel.com \
--cc=vigneshr@ti.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).