[PATCH 3/3] ARM: dts: imx: imx50-kobo-aura: add description for battery

Josua Mayer
2025-12-27T16:31:31Z

Kobo Aura has a rechargable battery that is monitored by the embedded
controller.

Battery markings: PR-285083 3.7V Typ. 1500mAh; 575327416288 5.55Wh.

Add description for this battery and link it for monitoring by the
embedded controller.

Signed-off-by: Josua Mayer <josua.mayer@jm0.eu>
---
arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts b/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts
index b1a6a9c58ac33..dc8d9fd45cd23 100644
--- a/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts
@@ -16,6 +16,14 @@ chosen {
stdout-path = "serial1:115200n8";
};

+ battery: battery {
+ compatible = "simple-battery";
+ voltage-min-design-microvolt = <3400000>;
+ voltage-max-design-microvolt = <4100000>;
+ energy-full-design-microwatt-hours = <5550000>;
+ charge-full-design-microamp-hours = <1500000>;
+ };
+
memory@70000000 {
device_type = "memory";
reg = <0x70000000 0x10000000>;
@@ -151,6 +159,7 @@ embedded-controller@43 {
system-power-controller;
interrupts-extended = <&gpio4 11 IRQ_TYPE_EDGE_FALLING>;
#pwm-cells = <2>;
+ monitored-battery = <&battery>;
};
};

--
2.51.0