linux-kernel - [PATCH v3 03/22] arm64: dts: mediatek: mt7988: Add lvts node

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Message-ID: <20241217091238.16032-4-linux@fw-web.de>
Date: Tue, 17 Dec 2024 10:12:17 +0100
From: Frank Wunderlich <linux@...web.de>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: [PATCH v3 03/22] arm64: dts: mediatek: mt7988: Add lvts node

From: Frank Wunderlich <frank-w@...lic-files.de>

Add Low Voltage Thermal Sensor (LVTS) node for mt7988 SoC.

Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
changes:
v3:
dropped efuse label
v2:
squash
- "arm64: dts: mediatek: mt7988: add label for efuse"
- "arm64: dts: mediatek: mt7988: extend efuse node" (drop other efuse subnodes)
---
 arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 2e224d0d0168..32bb04ce21b3 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -4,6 +4,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/phy/phy.h>
 #include <dt-bindings/pinctrl/mt65xx.h>
+#include <dt-bindings/reset/mediatek,mt7988-resets.h>
 
 / {
 	compatible = "mediatek,mt7988a";
@@ -97,6 +98,7 @@ infracfg: clock-controller@...01000 {
 			compatible = "mediatek,mt7988-infracfg", "syscon";
 			reg = <0 0x10001000 0 0x1000>;
 			#clock-cells = <1>;
+			#reset-cells = <1>;
 		};
 
 		topckgen: clock-controller@...1b000 {
@@ -262,6 +264,17 @@ i2c@...05000 {
 			status = "disabled";
 		};
 
+		lvts: lvts@...0a000 {
+			compatible = "mediatek,mt7988-lvts-ap";
+			#thermal-sensor-cells = <1>;
+			reg = <0 0x1100a000 0 0x1000>;
+			clocks = <&infracfg CLK_INFRA_26M_THERM_SYSTEM>;
+			interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
+			resets = <&infracfg MT7988_INFRA_RST1_THERM_CTRL_SWRST>;
+			nvmem-cells = <&lvts_calibration>;
+			nvmem-cell-names = "lvts-calib-data-1";
+		};
+
 		usb@...90000 {
 			compatible = "mediatek,mt7988-xhci", "mediatek,mtk-xhci";
 			reg = <0 0x11190000 0 0x2e00>,
@@ -321,6 +334,10 @@ efuse@...50000 {
 			reg = <0 0x11f50000 0 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
+
+			lvts_calibration: calib@918 {
+				reg = <0x918 0x28>;
+			};
 		};
 
 		clock-controller@...00000 {
-- 
2.43.0