From: Chris Morgan <macromorgan@xxxxxxxxxxx>
Add support for the internal battery and charger for the Anbernic
RG353P and RG503. Battery values are taken from the BSP Kernel
device tree.
Signed-off-by: Chris Morgan <macromorgan@xxxxxxxxxxx>
---
.../dts/rockchip/rk3566-anbernic-rg353p.dts | 28 +++++++++++++++++++
.../dts/rockchip/rk3566-anbernic-rg503.dts | 28 +++++++++++++++++++
2 files changed, 56 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts
index 80716b2ebd29..63cff402f3a8 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts
@@ -18,6 +18,25 @@ aliases {
mmc3 = &sdmmc2;
};
+ battery: battery {
+ compatible = "simple-battery";
+ charge-full-design-microamp-hours = <3472000>;
+ charge-term-current-microamp = <300000>;
+ constant-charge-current-max-microamp = <2000000>;
+ constant-charge-voltage-max-microvolt = <4200000>;
+ factory-internal-resistance-micro-ohms = <117000>;
+ voltage-max-design-microvolt = <4172000>;
+ voltage-min-design-microvolt = <3400000>;
+
+ ocv-capacity-celsius = <20>;
+ ocv-capacity-table-0 = <4172000 100>, <4054000 95>, <3984000 90>, <3926000 85>,
+ <3874000 80>, <3826000 75>, <3783000 70>, <3746000 65>,
+ <3714000 60>, <3683000 55>, <3650000 50>, <3628000 45>,
+ <3612000 40>, <3600000 35>, <3587000 30>, <3571000 25>,
+ <3552000 20>, <3525000 15>, <3492000 10>, <3446000 5>,
+ <3400000 0>;
+ };
+
/* Channels reversed for both headphones and speakers. */
sound {
compatible = "simple-audio-card";
@@ -87,6 +106,15 @@ spk_amp_enable_h: spk-amp-enable-h {
};
};
+&rk817 {
+ rk817_charger: charger {
+ monitored-battery = <&battery>;
+ rockchip,resistor-sense-micro-ohms = <10000>;
+ rockchip,sleep-enter-current-microamp = <300000>;
+ rockchip,sleep-filter-current-microamp = <100000>;
+ };
+};
+
&sdhci {
pinctrl-0 = <&emmc_bus8>, <&emmc_clk>, <&emmc_cmd>, <&emmc_datastrobe>, <&emmc_rstnout>;
pinctrl-names = "default";
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg503.dts b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg503.dts
index c56c290f0d87..5dafcc86296b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg503.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg503.dts
@@ -17,6 +17,25 @@ aliases {
mmc2 = &sdmmc2;
};
+ battery: battery {
+ compatible = "simple-battery";
+ charge-full-design-microamp-hours = <3472000>;
+ charge-term-current-microamp = <300000>;
+ constant-charge-current-max-microamp = <2000000>;
+ constant-charge-voltage-max-microvolt = <4200000>;
+ factory-internal-resistance-micro-ohms = <117000>;
+ voltage-max-design-microvolt = <4172000>;
+ voltage-min-design-microvolt = <3400000>;
+
+ ocv-capacity-celsius = <20>;
+ ocv-capacity-table-0 = <4172000 100>, <4054000 95>, <3984000 90>, <3926000 85>,
+ <3874000 80>, <3826000 75>, <3783000 70>, <3746000 65>,
+ <3714000 60>, <3683000 55>, <3650000 50>, <3628000 45>,
+ <3612000 40>, <3600000 35>, <3587000 30>, <3571000 25>,
+ <3552000 20>, <3525000 15>, <3492000 10>, <3446000 5>,
+ <3400000 0>;
+ };
+
gpio_spi: spi {
compatible = "spi-gpio";
pinctrl-names = "default";
@@ -136,3 +155,12 @@ spi_pins: spi-pins {
};
};
};
+
+&rk817 {
+ rk817_charger: charger {
+ monitored-battery = <&battery>;
+ rockchip,resistor-sense-micro-ohms = <10000>;
+ rockchip,sleep-enter-current-microamp = <300000>;
+ rockchip,sleep-filter-current-microamp = <100000>;
+ };
+};
--
2.25.1
