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authorSascha Hauer <s.hauer@pengutronix.de>2022-01-27 11:22:53 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2022-01-28 15:31:59 +0100
commit5f3e773ca4830daf71c7b5eee0c6b1dfe4d09c08 (patch)
tree0634f20e5f75f3d44242af47eebd9ea1ce0163f6 /dts/Bindings/mfd/rohm,bd70528-pmic.txt
parentdb35548372eaee835fbf9bae68c08362ba59d49d (diff)
downloadbarebox-5f3e773ca4830daf71c7b5eee0c6b1dfe4d09c08.tar.gz
barebox-5f3e773ca4830daf71c7b5eee0c6b1dfe4d09c08.tar.xz
dts: update to v5.17-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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-* ROHM BD70528 Power Management Integrated Circuit bindings
-
-BD70528MWV is an ultra-low quiescent current general purpose, single-chip,
-power management IC for battery-powered portable devices. The IC
-integrates 3 ultra-low current consumption buck converters, 3 LDOs and 2
-LED Drivers. Also included are 4 GPIOs, a real-time clock (RTC), a 32kHz
-clock gate, high-accuracy VREF for use with an external ADC, flexible
-dual-input power path, 10 bit SAR ADC for battery temperature monitor and
-1S battery charger with scalable charge currents.
-
-Required properties:
- - compatible : Should be "rohm,bd70528"
- - reg : I2C slave address.
- - interrupts : The interrupt line the device is connected to.
- - interrupt-controller : To indicate BD70528 acts as an interrupt controller.
- - #interrupt-cells : Should be 2. Usage is compliant to the 2 cells
- variant of ../interrupt-controller/interrupts.txt
- - gpio-controller : To indicate BD70528 acts as a GPIO controller.
- - #gpio-cells : Should be 2. The first cell is the pin number and
- the second cell is used to specify flags. See
- ../gpio/gpio.txt for more information.
- - #clock-cells : Should be 0.
- - regulators: : List of child nodes that specify the regulators.
- Please see ../regulator/rohm,bd70528-regulator.txt
-
-Optional properties:
- - clock-output-names : Should contain name for output clock.
-
-Example:
-/* External oscillator */
-osc: oscillator {
- compatible = "fixed-clock";
- #clock-cells = <1>;
- clock-frequency = <32768>;
- clock-output-names = "osc";
-};
-
-pmic: pmic@4b {
- compatible = "rohm,bd70528";
- reg = <0x4b>;
- interrupt-parent = <&gpio1>;
- interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
- clocks = <&osc 0>;
- #clock-cells = <0>;
- clock-output-names = "bd70528-32k-out";
- #gpio-cells = <2>;
- gpio-controller;
- interrupt-controller;
- #interrupt-cells = <2>;
-
- regulators {
- buck1: BUCK1 {
- regulator-name = "buck1";
- regulator-min-microvolt = <1200000>;
- regulator-max-microvolt = <3400000>;
- regulator-boot-on;
- regulator-ramp-delay = <125>;
- };
- buck2: BUCK2 {
- regulator-name = "buck2";
- regulator-min-microvolt = <1200000>;
- regulator-max-microvolt = <3300000>;
- regulator-boot-on;
- regulator-ramp-delay = <125>;
- };
- buck3: BUCK3 {
- regulator-name = "buck3";
- regulator-min-microvolt = <800000>;
- regulator-max-microvolt = <1800000>;
- regulator-boot-on;
- regulator-ramp-delay = <250>;
- };
- ldo1: LDO1 {
- regulator-name = "ldo1";
- regulator-min-microvolt = <1650000>;
- regulator-max-microvolt = <3300000>;
- regulator-boot-on;
- };
- ldo2: LDO2 {
- regulator-name = "ldo2";
- regulator-min-microvolt = <1650000>;
- regulator-max-microvolt = <3300000>;
- regulator-boot-on;
- };
-
- ldo3: LDO3 {
- regulator-name = "ldo3";
- regulator-min-microvolt = <1650000>;
- regulator-max-microvolt = <3300000>;
- };
- led_ldo1: LED_LDO1 {
- regulator-name = "led_ldo1";
- regulator-min-microvolt = <200000>;
- regulator-max-microvolt = <300000>;
- };
- led_ldo2: LED_LDO2 {
- regulator-name = "led_ldo2";
- regulator-min-microvolt = <200000>;
- regulator-max-microvolt = <300000>;
- };
- };
-};