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Thu, 19 Jan 2023 18:31:02 -0600 Received: from localhost (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 30K0V20C021528; Thu, 19 Jan 2023 18:31:02 -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 , Keerthy , Bryan Brattlof Subject: [PATCH v2 6/6] arm64: dts: ti: k3-am62a-wakeup: add VTM node Date: Thu, 19 Jan 2023 18:30:51 -0600 Message-ID: <20230120003051.9100-7-bb@ti.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230120003051.9100-1-bb@ti.com> References: <20230120003051.9100-1-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=+Kty86j+q7PXR7vWHvLKDTs+vLrH0F5uM0CEG61hrrE=; b=owNCWmg5MUFZJlNZhSzbRgAAZf///v7/7//9uf/6h//cv/t+TyT6+v7Nv38///qtq9Rc++cwARtg HagAGhoAAAND0hoAAAaAaAGQNABoDQ00BoAAAGTTRpiaMJieptGowTahxGgNAAyMg0ANMmmQaaAGjQ AAyNGmEaZBmoxDINNBpkBoaA0MmQBoDQAaMHQaMjaTEBoaANGQaDTRhNA0A0BkGQZA0aNDIAYhoBpo NAYgAaGQYmRoBpoAwe3rBt+uACo8t5FPn8/Y1zNGx4UvV9YEEJBdEl3AjTrlWcS+4Jat8nQAJTICSE sW8OSwTIUl0/NHAgMBQ1lFwIgLF2qVnXIsdDyidl9rpVpMYIvUw5o3QVU9Nr+/V3T/1an0Snczu2Cf xvT6ETV8Sp2twV4eBCqoA2tkNRl2Sq84iURoQZeAxEyxabMGsyJRg8lyqGuPO6+Tr+QzxusrEYhTk0 S4msIF38iwXDvHmSpkgL0j3D+gUIb6dKGIwtPBI7LB5B+MdQRH6mjv2xOUkOV0i6p3CXpD+yG/HTxl R/AUq7Z+yTFRsbc+UDr1Y1VI60glnRhg2gomUXFElC0dhRSYeW3vxCpJ3hlqDEuhBkG8Lv79R8fKWq jwIGUeycnlA97pkZhlp3WZ+zBfbDJIDVKi0giDtaTDNi0FhHRoQFchDUKAELd8wuoKD/i7kinChIQp Ztow 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_163115_541239_5085A289 X-CRM114-Status: GOOD ( 15.03 ) 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..85ce545633ea5 --- /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 1>; + + 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 2>; + + 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 */