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Thu, 19 Jan 2023 16:13:30 -0600 From: Bryan Brattlof To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski CC: ARM Linux Mailing List , Device Tree Mailing List , Linux Kernel Mailing List , Bryan Brattlof Subject: [PATCH 6/6] arm64: dts: ti: k3-am62a-wakeup: add VTM node Date: Thu, 19 Jan 2023 16:13:22 -0600 Message-ID: <20230119221322.12563-7-bb@ti.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230119221322.12563-1-bb@ti.com> References: <20230119221322.12563-1-bb@ti.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3073; i=bb@ti.com; h=from:subject; bh=+8oOI2FkMbYpUXhfzeFebAQn++Ewvzjr9qxmkxY3bBs=; b=owNCWmg5MUFZJlNZU+tJIAAAYP////f5/zm9rMe5Nuxam07ffFt+/Xdm//vff7l8v/nq13+wARsw GJAA0GmjQDCNANGjIAaAaNMQ0NAGgDQaAGjQAAGg00aMmE000xMT1MaZIcgAaA0Bo00GRo0aNG1NDQ aA0ZAyDBAeiBkA0eoABoyaGJ6h6Q9Q9IGmQ0ZA0HJp6mgyaMhhNGgGIGjINGTTQNAZGmgAZMJkwTQM mCBoZNBkAGQAaMgGgyAAYHiHsguMcAkQ4mjmwP79rzIvTDQ8oWJBY6npBqjlIhh7o7nUFY8j1UF78e 8T6D6XNOB8zkr9NYpedxRVIyLcnQ3utv4AIIAlysKUVqKDq9j1fztMiNL6NU8FcnrYLaYhGQi1DGdL XwAODe7RuwgsRaSED+YUL1YLW+2rsBNizGVqeF4ZdTzpYnDJD02ojklIYRkmnPWu+3hhnmq5Vy9s6C vdzbSMC+yEqZGGnRrvxCDKIRihrtNEXi4k/tlfLyzo+vkdZiheqyoE2HpFPgUEu7U+pvLICNwErWYN EhSyChNjmDs9hKDjOlAbEfQ5GPXkINPinA6RuxCAScSYctTGOD2QOW0eDkDQWYqxxT163+S4/PUU07 ICeBYFdjI0SsiZKvjLw6GiyVGEIacu54VaSBmSYigLTNPnwgp3VgXyYfRf4u5IpwoSCn1pJAA= X-Developer-Key: i=bb@ti.com; a=openpgp; fpr=D3D177E40A38DF4D1853FEEF41B90D5D71D56CE0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230119_141337_662506_3352CDB5 X-CRM114-Status: GOOD ( 15.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The am62ax supports a single Voltage and Thermal Management (VTM) device located in the wakeup domain with three associated temperature monitors located in various hot spots of the die. Signed-off-by: Bryan Brattlof --- arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi | 47 ++++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi | 8 ++++ arch/arm64/boot/dts/ti/k3-am62a.dtsi | 2 + 3 files changed, 57 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi diff --git a/arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi new file mode 100644 index 0000000000000..02c2bae300c49 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +thermal_zones: thermal-zones { + main0_thermal: main0-thermal { + polling-delay-passive = <250>; /* milliSeconds */ + polling-delay = <500>; /* milliSeconds */ + thermal-sensors = <&wkup_vtm0 0>; + + trips { + main0_crit: main0-crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; + }; + + main1_thermal: main1-thermal { + polling-delay-passive = <250>; /* milliSeconds */ + polling-delay = <500>; /* milliSeconds */ + thermal-sensors = <&wkup_vtm0 0>; + + trips { + main1_crit: main1-crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; + }; + + main2_thermal: main2-thermal { + polling-delay-passive = <250>; /* milliSeconds */ + polling-delay = <500>; /* milliSeconds */ + thermal-sensors = <&wkup_vtm0 0>; + + trips { + main2_crit: main2-crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; + }; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi index 81d984414fd4a..9bdafead7199a 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi @@ -51,4 +51,12 @@ wkup_rtc0: rtc@2b1f0000 { wakeup-source; status = "disabled"; }; + + wkup_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-am62a.dtsi b/arch/arm64/boot/dts/ti/k3-am62a.dtsi index 6eb87c3f9f3ce..84e8adeeebb61 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a.dtsi @@ -114,6 +114,8 @@ cbass_wakeup: bus@b00000 { <0x00 0x78100000 0x00 0x78100000 0x00 0x00008000>; /* DM R5 BTCM*/ }; }; + + #include "k3-am62a-thermal.dtsi" }; /* Now include the peripherals for each bus segments */