82 lines
2.5 KiB
Diff
82 lines
2.5 KiB
Diff
From patchwork Thu Feb 3 20:29:47 2022
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Subject: [PATCH v2 1/2] ARM: dts: exynos: add charger and battery to p4note
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Date: Thu, 3 Feb 2022 21:29:47 +0100
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Message-Id:
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<d7f7b0f87a18b5cc44ba97390461c15469439829.1643919230.git.martin.juecker@gmail.com>
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X-Mailer: git-send-email 2.25.1
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MIME-Version: 1.0
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Precedence: bulk
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List-ID: <linux-samsung-soc.vger.kernel.org>
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X-Mailing-List: linux-samsung-soc@vger.kernel.org
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Add device tree entry to support the Summit SMB347 charger which is
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built into the p4note devices, as well as a simple battery node.
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Signed-off-by: Martin Jücker <martin.juecker@gmail.com>
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---
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Changes in v2:
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- squash charger and battery commits
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---
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arch/arm/boot/dts/exynos4412-p4note.dtsi | 35 ++++++++++++++++++++++++
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1 file changed, 35 insertions(+)
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diff --git a/arch/arm/boot/dts/exynos4412-p4note.dtsi b/arch/arm/boot/dts/exynos4412-p4note.dtsi
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index b386a9b8e188..fcd75cceb877 100644
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--- a/arch/arm/boot/dts/exynos4412-p4note.dtsi
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+++ b/arch/arm/boot/dts/exynos4412-p4note.dtsi
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@@ -16,6 +16,7 @@
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#include <dt-bindings/input/linux-event-codes.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/pinctrl/samsung.h>
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+#include <dt-bindings/power/summit,smb347-charger.h>
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/ {
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compatible = "samsung,p4note", "samsung,exynos4412", "samsung,exynos4";
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@@ -114,6 +115,17 @@ wlan_pwrseq: sdhci3-pwrseq {
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clock-names = "ext_clock";
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};
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+ battery_cell: battery-cell {
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+ compatible = "simple-battery";
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+ device-chemistry = "lithium-ion";
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+ constant-charge-current-max-microamp = <2200000>;
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+ precharge-current-microamp = <250000>;
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+ charge-term-current-microamp = <250000>;
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+ constant-charge-voltage-max-microvolt = <4200000>;
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+
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+ power-supplies = <&power_supply>;
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+ };
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+
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i2c-gpio-1 {
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compatible = "i2c-gpio";
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sda-gpios = <&gpy2 4 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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@@ -182,6 +194,29 @@ stmpe_adc {
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};
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};
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};
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+
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+ i2c-gpio-4 {
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+ compatible = "i2c-gpio";
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+ sda-gpios = <&gpm2 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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+ scl-gpios = <&gpm2 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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+
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+ i2c-gpio,delay-us = <2>;
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ power_supply: charger@6 {
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+ compatible = "summit,smb347";
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+ reg = <0x6>;
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+ summit,enable-usb-charging;
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+ summit,enable-charge-control = <SMB3XX_CHG_ENABLE_SW>;
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+ summit,fast-voltage-threshold-microvolt = <2600000>;
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+ summit,chip-temperature-threshold-celsius = <130>;
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+ summit,usb-current-limit-microamp = <1800000>;
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+
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+ monitored-battery = <&battery_cell>;
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+ };
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+ };
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+
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};
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&adc {
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