linux-kernel - [PATCH 1/5] ARM: dts: microchip: sam9x60ek: Add power monitor support

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Message-ID: <20240923064932.5797-2-mihai.sain@microchip.com>
Date: Mon, 23 Sep 2024 09:49:28 +0300
From: Mihai Sain <mihai.sain@...rochip.com>
To: <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
	<nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
	<claudiu.beznea@...on.dev>, <linux@...linux.org.uk>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
CC: Mihai Sain <mihai.sain@...rochip.com>
Subject: [PATCH 1/5] ARM: dts: microchip: sam9x60ek: Add power monitor support

Add PAC1934 support in order to monitor the board power consumption.

Signed-off-by: Mihai Sain <mihai.sain@...rochip.com>
---
 .../arm/boot/dts/microchip/at91-sam9x60ek.dts | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/microchip/at91-sam9x60ek.dts b/arch/arm/boot/dts/microchip/at91-sam9x60ek.dts
index 3b38707d736e..6cf699d9b540 100644
--- a/arch/arm/boot/dts/microchip/at91-sam9x60ek.dts
+++ b/arch/arm/boot/dts/microchip/at91-sam9x60ek.dts
@@ -260,6 +260,37 @@ i2c6: i2c@600 {
 		i2c-digital-filter-width-ns = <35>;
 		status = "okay";
 
+		power-monitor@17 {
+			compatible = "microchip,pac1934";
+			reg = <0x17>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			channel@1 {
+				reg = <0x1>;
+				shunt-resistor-micro-ohms = <10000>;
+				label = "VDDIOM";
+			};
+
+			channel@2 {
+				reg = <0x2>;
+				shunt-resistor-micro-ohms = <10000>;
+				label = "VDDCORE";
+			};
+
+			channel@3 {
+				reg = <0x3>;
+				shunt-resistor-micro-ohms = <10000>;
+				label = "VDD3V3_MPU";
+			};
+
+			channel@4 {
+				reg = <0x4>;
+				shunt-resistor-micro-ohms = <10000>;
+				label = "VDD3V3";
+			};
+		};
+
 		gpio_exp: mcp23008@20 {
 			compatible = "microchip,mcp23008";
 			reg = <0x20>;
-- 
2.46.1