TPS6594 is a Power Management IC which provides regulators and others features like GPIOs, RTC, watchdog, ESMs (Error Signal Monitor), and PFSM (Pre-configurable Finite State Machine) managing the state of the device. TPS6594 is the super-set device while TPS6593 and LP8764X are derivatives. Signed-off-by: Julien Panis <jpanis@xxxxxxxxxxxx> --- .../devicetree/bindings/mfd/ti,tps6594.yaml | 231 ++++++++++++++++++ 1 file changed, 231 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/ti,tps6594.yaml diff --git a/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml b/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml new file mode 100644 index 000000000000..4e4565a68e40 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml @@ -0,0 +1,231 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/ti,tps6594.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI TPS6594 Power Management Integrated Circuit + +maintainers: + - Julien Panis <jpanis@xxxxxxxxxxxx> + +description: + TPS6594 is a Power Management IC which provides regulators and others + features like GPIOs, RTC, watchdog, ESMs (Error Signal Monitor), and + PFSM (Pre-configurable Finite State Machine) managing the state of the device. + TPS6594 is the super-set device while TPS6593 and LP8764X are derivatives. + +properties: + compatible: + enum: + - ti,lp8764x + - ti,tps6593 + - ti,tps6594 + + reg: + description: I2C slave address or SPI chip select number. + maxItems: 1 + + ti,primary-pmic: + type: boolean + description: | + Identify the primary PMIC on SPMI bus. + A multi-PMIC synchronization scheme is implemented in the PMIC device + to synchronize the power state changes with other PMIC devices. This is + accomplished through a SPMI bus: the primary PMIC is the controller + device on the SPMI bus, and the secondary PMICs are the target devices + on the SPMI bus. + + system-power-controller: true + + gpio-controller: true + + '#gpio-cells': + const: 2 + description: | + The first cell is the pin number, the second cell is used to specify flags. + See ../gpio/gpio.txt for more information. + + interrupts: + maxItems: 1 + + ti,multi-phase-id: + description: | + Describes buck multi-phase configuration, if any. For instance, XY id means + that outputs of buck converters X and Y are combined in multi-phase mode. + $ref: /schemas/types.yaml#/definitions/uint32-array + oneOf: + - items: + - const: 12 + - items: + - const: 34 + - items: + - const: 12 + - const: 34 + - items: + - const: 123 + - items: + - const: 1234 + + regulators: + type: object + description: List of regulators provided by this controller. + + patternProperties: + "^buck([1-5]|12|34|123|1234)$": + type: object + $ref: /schemas/regulator/regulator.yaml# + + unevaluatedProperties: false + + "^ldo[1-4]$": + type: object + $ref: /schemas/regulator/regulator.yaml# + + unevaluatedProperties: false + + allOf: + - if: + required: + - buck12 + then: + properties: + buck123: false + buck1234: false + - if: + required: + - buck123 + then: + properties: + buck34: false + - if: + required: + - buck1234 + then: + properties: + buck34: false + + additionalProperties: false + + rtc: + type: object + description: RTC provided by this controller. + $ref: /schemas/rtc/rtc.yaml# + + watchdog: + type: object + description: Watchdog provided by this controller. + $ref: /schemas/watchdog/watchdog.yaml# + +patternProperties: + "^buck([1-5]|12|34|123|1234)-supply$": + description: Input supply phandle for each buck. + + "^ldo[1-4]-supply$": + description: Input supply phandle for each ldo. + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + tps6593: pmic@48 { + compatible = "ti,tps6593"; + reg = <0x48>; + ti,primary-pmic; + system-power-controller; + + gpio-controller; + #gpio-cells = <2>; + + pinctrl-names = "default"; + pinctrl-0 = <&pmic_irq_pins_default>; + interrupt-parent = <&mcu_gpio0>; + interrupts = <0 IRQ_TYPE_EDGE_FALLING>; + + ti,multi-phase-id = <123>; + + buck123-supply = <&vcc_3v3_sys>; + buck4-supply = <&vcc_3v3_sys>; + buck5-supply = <&vcc_3v3_sys>; + ldo1-supply = <&vcc_3v3_sys>; + ldo2-supply = <&vcc_3v3_sys>; + ldo3-supply = <&buck5>; + ldo4-supply = <&vcc_3v3_sys>; + + regulators { + buck123: buck123 { + regulator-name = "vcc_core"; + regulator-min-microvolt = <750000>; + regulator-max-microvolt = <850000>; + regulator-boot-on; + regulator-always-on; + }; + + buck4: buck4 { + regulator-name = "vcc_1v1"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-boot-on; + regulator-always-on; + }; + + buck5: buck5 { + regulator-name = "vcc_1v8_sys"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1: ldo1 { + regulator-name = "vddshv5_sdio"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2: ldo2 { + regulator-name = "vpp_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3: ldo3 { + regulator-name = "vcc_0v85"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <850000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo4: ldo4 { + regulator-name = "vdda_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + }; + + rtc: rtc { + wakeup-source; + }; + + watchdog: watchdog { + timeout-sec = <10>; + }; + }; + }; -- 2.37.3
