From: Hal Feng <hal.feng@starfivetech.com>
To: Conor Dooley <conor@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>
Cc: Emil Renner Berthing <emil.renner.berthing@canonical.com>,
Hal Feng <hal.feng@starfivetech.com>,
<devicetree@vger.kernel.org>, <linux-riscv@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Subject: [PATCH v1 1/3] riscv: dts: starfive: jh7100: Add temperature sensor node and thermal-zones
Date: Tue, 18 Jul 2023 11:49:35 +0800 [thread overview]
Message-ID: <20230718034937.92999-2-hal.feng@starfivetech.com> (raw)
In-Reply-To: <20230718034937.92999-1-hal.feng@starfivetech.com>
Add temperature sensor and thermal-zones support for
the StarFive JH7100 SoC.
Co-developed-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
---
arch/riscv/boot/dts/starfive/jh7100.dtsi | 37 ++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
index 4218621ea3b9..35ab54fb235f 100644
--- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
@@ -80,6 +80,31 @@ core1 {
};
};
+ thermal-zones {
+ cpu-thermal {
+ polling-delay-passive = <250>;
+ polling-delay = <15000>;
+
+ thermal-sensors = <&sfctemp>;
+
+ trips {
+ cpu_alert0 {
+ /* milliCelsius */
+ temperature = <75000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu_crit {
+ /* milliCelsius */
+ temperature = <90000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+ };
+
osc_sys: osc_sys {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -248,5 +273,17 @@ watchdog@12480000 {
resets = <&rstgen JH7100_RSTN_WDTIMER_APB>,
<&rstgen JH7100_RSTN_WDT>;
};
+
+ sfctemp: temperature-sensor@124a0000 {
+ compatible = "starfive,jh7100-temp";
+ reg = <0x0 0x124a0000 0x0 0x10000>;
+ clocks = <&clkgen JH7100_CLK_TEMP_SENSE>,
+ <&clkgen JH7100_CLK_TEMP_APB>;
+ clock-names = "sense", "bus";
+ resets = <&rstgen JH7100_RSTN_TEMP_SENSE>,
+ <&rstgen JH7100_RSTN_TEMP_APB>;
+ reset-names = "sense", "bus";
+ #thermal-sensor-cells = <0>;
+ };
};
};
--
2.38.1
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next prev parent reply other threads:[~2023-07-19 6:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-18 3:49 [PATCH v1 0/3] riscv: dts: starfive: jh71x0: Add temperature sensor nodes and thermal-zones Hal Feng
2023-07-18 3:49 ` Hal Feng [this message]
2023-07-18 3:49 ` [PATCH v1 2/3] riscv: dts: starfive: jh7110: Add temperature sensor node " Hal Feng
2023-07-18 3:49 ` [PATCH v1 3/3] MAINTAINERS: Add Hal as a maintainer of SFCTEMP HWMON DRIVER Hal Feng
2023-07-18 14:20 ` Conor Dooley
2023-07-21 3:24 ` Hal Feng
2023-08-10 11:35 ` Emil Renner Berthing
2023-08-10 11:36 ` Emil Renner Berthing
2023-07-20 16:29 ` (subset) [PATCH v1 0/3] riscv: dts: starfive: jh71x0: Add temperature sensor nodes and thermal-zones Conor Dooley
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