Add device tree entry to support the Summit SMB347 charger which is
built into the p4note devices, as well as a simple battery node.
Signed-off-by: Martin Jücker <martin.juecker@xxxxxxxxx>
---
Changes in v2:
- squash charger and battery commits
---
arch/arm/boot/dts/exynos4412-p4note.dtsi | 35 ++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412-p4note.dtsi b/arch/arm/boot/dts/exynos4412-p4note.dtsi
index b386a9b8e188..fcd75cceb877 100644
--- a/arch/arm/boot/dts/exynos4412-p4note.dtsi
+++ b/arch/arm/boot/dts/exynos4412-p4note.dtsi
@@ -16,6 +16,7 @@
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pinctrl/samsung.h>
+#include <dt-bindings/power/summit,smb347-charger.h>
/ {
compatible = "samsung,p4note", "samsung,exynos4412", "samsung,exynos4";
@@ -114,6 +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)>;
@@ -182,6 +194,29 @@ stmpe_adc {
};
};
};
+
+ i2c-gpio-4 {
+ compatible = "i2c-gpio";
+ sda-gpios = <&gpm2 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&gpm2 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+
+ i2c-gpio,delay-us = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ power_supply: charger@6 {
+ compatible = "summit,smb347";
+ reg = <0x6>;
+ summit,enable-usb-charging;
+ summit,enable-charge-control = <SMB3XX_CHG_ENABLE_SW>;
+ summit,fast-voltage-threshold-microvolt = <2600000>;
+ summit,chip-temperature-threshold-celsius = <130>;
+ summit,usb-current-limit-microamp = <1800000>;
+
+ monitored-battery = <&battery_cell>;
+ };
+ };
+
};
&adc {
--
2.25.1
