[PATCH 2/3] ARM: dts: exynos: add simple battery to p4note

From: Martin Jücker
Date: Wed Feb 02 2022 - 11:36:41 EST


Add a simple battery node to the p4note device tree to set the missing
values for the charger to work properly.

Signed-off-by: Martin Jücker <martin.juecker@xxxxxxxxx>
---
arch/arm/boot/dts/exynos4412-p4note.dtsi | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/exynos4412-p4note.dtsi b/arch/arm/boot/dts/exynos4412-p4note.dtsi
index 63459db653ea..fcd75cceb877 100644
--- a/arch/arm/boot/dts/exynos4412-p4note.dtsi
+++ b/arch/arm/boot/dts/exynos4412-p4note.dtsi
@@ -115,6 +115,17 @@ wlan_pwrseq: sdhci3-pwrseq {
clock-names = "ext_clock";
};

+ battery_cell: battery-cell {
+ compatible = "simple-battery";
+ device-chemistry = "lithium-ion";
+ constant-charge-current-max-microamp = <2200000>;
+ precharge-current-microamp = <250000>;
+ charge-term-current-microamp = <250000>;
+ constant-charge-voltage-max-microvolt = <4200000>;
+
+ power-supplies = <&power_supply>;
+ };
+
i2c-gpio-1 {
compatible = "i2c-gpio";
sda-gpios = <&gpy2 4 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
@@ -193,7 +204,7 @@ i2c-gpio-4 {
#address-cells = <1>;
#size-cells = <0>;

- charger@6 {
+ power_supply: charger@6 {
compatible = "summit,smb347";
reg = <0x6>;
summit,enable-usb-charging;
@@ -201,6 +212,8 @@ charger@6 {
summit,fast-voltage-threshold-microvolt = <2600000>;
summit,chip-temperature-threshold-celsius = <130>;
summit,usb-current-limit-microamp = <1800000>;
+
+ monitored-battery = <&battery_cell>;
};
};

--
2.25.1