diff options
Diffstat (limited to 'Documentation/devicetree/bindings/regulator/richtek,rt5739.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/regulator/richtek,rt5739.yaml | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt5739.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt5739.yaml new file mode 100644 index 0000000000..e95e046e9e --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/richtek,rt5739.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/richtek,rt5739.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT5739 Step-Down Buck Converter + +maintainers: + - ChiYuan Huang <cy_huang@richtek.com> + +description: | + The RT5739 is a step-down switching buck converter that can deliver the + programmable output voltage from 300mV to 1300mV with wide input voltage + supply of 2.5V to 5.5V. It can provide up to 3.5A continuous current + capability at over 80% high efficiency. + +allOf: + - $ref: regulator.yaml# + +properties: + compatible: + enum: + - richtek,rt5733 + - richtek,rt5739 + + reg: + maxItems: 1 + + enable-gpios: + maxItems: 1 + + richtek,vsel-active-high: + description: | + If property is present, use the 'VSEL1' register group for buck control. + Else, use the 'VSEL0' register group. This depends on external hardware + 'VSEL' pin connection. + type: boolean + + regulator-allowed-modes: + description: | + buck allowed operating mode + 0: Auto PFM/PWM mode + 1: Forced PWM mode + items: + enum: [0, 1] + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + regulator@50 { + compatible = "richtek,rt5739"; + reg = <0x50>; + enable-gpios = <&gpio26 1 GPIO_ACTIVE_HIGH>; + richtek,vsel-active-high; + regulator-name = "richtek,rt5739-buck"; + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <1300000>; + regulator-allowed-modes = <0 1>; + regulator-boot-on; + }; + }; |