From patchwork Thu Feb 3 20:29:47 2022 Subject: [PATCH v2 1/2] ARM: dts: exynos: add charger and battery to p4note Date: Thu, 3 Feb 2022 21:29:47 +0100 Message-Id: X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org 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 --- 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 #include #include +#include / { 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 = ; + summit,fast-voltage-threshold-microvolt = <2600000>; + summit,chip-temperature-threshold-celsius = <130>; + summit,usb-current-limit-microamp = <1800000>; + + monitored-battery = <&battery_cell>; + }; + }; + }; &adc {