[PATCH v2 04/18] arm64: dts: mediatek: mt7988: add lvts node

Frank Wunderlich linux at fw-web.de
Mon Dec 2 04:25:45 PST 2024


From: Frank Wunderlich <frank-w at public-files.de>

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

Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
---
changes:

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 | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 5e40446cb7b3..f7748a840297 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";
@@ -85,6 +86,7 @@ infracfg: clock-controller at 10001000 {
 			compatible = "mediatek,mt7988-infracfg", "syscon";
 			reg = <0 0x10001000 0 0x1000>;
 			#clock-cells = <1>;
+			#reset-cells = <1>;
 		};
 
 		topckgen: clock-controller at 1001b000 {
@@ -250,6 +252,17 @@ i2c at 11005000 {
 			status = "disabled";
 		};
 
+		lvts: lvts at 1100a000 {
+			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 at 11190000 {
 			compatible = "mediatek,mt7988-xhci", "mediatek,mtk-xhci";
 			reg = <0 0x11190000 0 0x2e00>,
@@ -307,11 +320,15 @@ clock-controller at 11f40000 {
 			#clock-cells = <1>;
 		};
 
-		efuse at 11f50000 {
+		efuse: efuse at 11f50000 {
 			compatible = "mediatek,mt7988-efuse", "mediatek,efuse";
 			reg = <0 0x11f50000 0 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
+
+			lvts_calibration: calib at 918 {
+				reg = <0x918 0x28>;
+			};
 		};
 
 		clock-controller at 15000000 {
-- 
2.43.0




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