Received-SPF: pass (google.com: domain of linux-kernel+bounces-123478-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
From: Dmitry Rokosov <ddrokosov@salutedevices.com>
To: <neil.armstrong@linaro.org>, <jbrunet@baylibre.com>,
	<mturquette@baylibre.com>, <khilman@baylibre.com>,
	<martin.blumenstingl@googlemail.com>, <glaroque@baylibre.com>,
	<rafael@kernel.org>, <daniel.lezcano@linaro.org>, <rui.zhang@intel.com>,
	<lukasz.luba@arm.com>, <robh+dt@kernel.org>,
	<krzysztof.kozlowski+dt@linaro.org>, <conor+dt@kernel.org>
CC: <kernel@salutedevices.com>, <rockosov@gmail.com>,
	<linux-amlogic@lists.infradead.org>, <linux-pm@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, Dmitry Rokosov
	<ddrokosov@salutedevices.com>
Subject: [PATCH v2 2/3] arm64: dts: amlogic: a1: introduce cpu temperature sensor
Date: Thu, 28 Mar 2024 22:26:36 +0300
Message-ID: <20240328192645.20914-3-ddrokosov@salutedevices.com>
In-Reply-To: <20240328192645.20914-1-ddrokosov@salutedevices.com>
References: <20240328192645.20914-1-ddrokosov@salutedevices.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain

The A1 SoC family has only one thermal sensor for CPU temperature
measurement. It is required to set the TS clock rate to 500kHz to make
it workable.

Signed-off-by: Dmitry Rokosov <ddrokosov@salutedevices.com>
---
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index f65d4a77ee52..de77eb53d1dc 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -854,6 +854,17 @@ usb2_phy1: phy@4000 {
 				power-domains = <&pwrc PWRC_USB_ID>;
 			};
 
+			cpu_temp: temperature-sensor@4c00 {
+				compatible = "amlogic,a1-cpu-thermal";
+				reg = <0x0 0x4c00 0x0 0x50>;
+				interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clkc_periphs CLKID_TS>;
+				assigned-clocks = <&clkc_periphs CLKID_TS>;
+				assigned-clock-rates = <500000>;
+				#thermal-sensor-cells = <0>;
+				amlogic,ao-secure = <&sec_AO>;
+			};
+
 			hwrng: rng@5118 {
 				compatible = "amlogic,meson-rng";
 				reg = <0x0 0x5118 0x0 0x4>;
-- 
2.43.0