linux-kernel - [PATCH] riscv: dts: microchip: add pac1934 power-monitor to icicle

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Date: Wed,  1 May 2024 16:36:31 +0100
From: Conor Dooley <conor@...nel.org>
To: linux-riscv@...ts.infradead.org
Cc: conor@...nel.org,
	Conor Dooley <conor.dooley@...rochip.com>,
	Daire McNamara <daire.mcnamara@...rochip.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] riscv: dts: microchip: add pac1934 power-monitor to icicle

From: Conor Dooley <conor.dooley@...rochip.com>

The binding for this landed in v6.9, add the description. In the
off-chance that there were people carrying local patches for this based
on the driver shipped on the Microchip website (or vendor kernel) both
the binding and sysfs filenames changed during upstreaming.

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
CC: Conor Dooley <conor.dooley@...rochip.com>
CC: Daire McNamara <daire.mcnamara@...rochip.com>
CC: Rob Herring <robh@...nel.org>
CC: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC: linux-riscv@...ts.infradead.org
CC: devicetree@...r.kernel.org
CC: linux-kernel@...r.kernel.org
---
 .../boot/dts/microchip/mpfs-icicle-kit.dts    | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts
index 222a39d90f85..f80df225f72b 100644
--- a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts
+++ b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts
@@ -100,6 +100,38 @@ &i2c0 {
 
 &i2c1 {
 	status = "okay";
+
+	power-monitor@10 {
+		compatible = "microchip,pac1934";
+		reg = <0x10>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		channel@1 {
+			reg = <0x1>;
+			shunt-resistor-micro-ohms = <10000>;
+			label = "VDDREG";
+		};
+
+		channel@2 {
+			reg = <0x2>;
+			shunt-resistor-micro-ohms = <10000>;
+			label = "VDDA25";
+		};
+
+		channel@3 {
+			reg = <0x3>;
+			shunt-resistor-micro-ohms = <10000>;
+			label = "VDD25";
+		};
+
+		channel@4 {
+			reg = <0x4>;
+			shunt-resistor-micro-ohms = <10000>;
+			label = "VDDA_REG";
+		};
+	};
 };
 
 &i2c2 {
-- 
2.43.0