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Diffstat (limited to 'Documentation/devicetree/bindings/mfd/sprd,sc2731.yaml')
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diff --git a/Documentation/devicetree/bindings/mfd/sprd,sc2731.yaml b/Documentation/devicetree/bindings/mfd/sprd,sc2731.yaml new file mode 100644 index 000000000000..8beec7e8e4c6 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/sprd,sc2731.yaml @@ -0,0 +1,252 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/sprd,sc2731.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Spreadtrum SC27xx PMIC + +maintainers: + - Orson Zhai <orsonzhai@gmail.com> + - Baolin Wang <baolin.wang7@gmail.com> + - Chunyan Zhang <zhang.lyra@gmail.com> + +description: | + Spreadtrum PMICs belonging to the SC27xx series integrate all mobile handset + power management, audio codec, battery management and user interface support + functions in a single chip. They have 6 major functional blocks: + - DCDCs to support CPU, memory + - LDOs to support both internal and external requirements + - Battery management system, such as charger, fuel gauge + - Audio codec + - User interface functions, such as indicator, flash LED and so on + - IC level interface, such as power on/off control, RTC, typec and so on + +properties: + $nodename: + pattern: '^pmic@[0-9a-f]+$' + + compatible: + enum: + - sprd,sc2720 + - sprd,sc2721 + - sprd,sc2723 + - sprd,sc2730 + - sprd,sc2731 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-controller: true + spi-max-frequency: true + + '#address-cells': + const: 1 + + '#interrupt-cells': + const: 1 + + '#size-cells': + const: 0 + + regulators: + type: object + $ref: /schemas/regulator/sprd,sc2731-regulator.yaml# + +patternProperties: + "^adc@[0-9a-f]+$": + type: object + $ref: /schemas/iio/adc/sprd,sc2720-adc.yaml# + + "^charger@[0-9a-f]+$": + type: object + $ref: /schemas/power/supply/sc2731-charger.yaml# + + "^efuse@[0-9a-f]+$": + type: object + additionalProperties: true + properties: + compatible: + enum: + - sprd,sc2720-efuse + - sprd,sc2721-efuse + - sprd,sc2723-efuse + - sprd,sc2730-efuse + - sprd,sc2731-efuse + + "^fuel-gauge@[0-9a-f]+$": + type: object + $ref: /schemas/power/supply/sc27xx-fg.yaml# + + "^gpio@[0-9a-f]+$": + type: object + $ref: /schemas/gpio/sprd,gpio-eic.yaml# + + "^led-controller@[0-9a-f]+$": + type: object + $ref: /schemas/leds/sprd,sc2731-bltc.yaml# + + "^rtc@[0-9a-f]+$": + type: object + $ref: /schemas/rtc/sprd,sc2731-rtc.yaml# + + "^vibrator@[0-9a-f]+$": + type: object + $ref: /schemas/input/sprd,sc27xx-vibrator.yaml# + +required: + - compatible + - reg + - interrupts + - interrupt-controller + - spi-max-frequency + - '#address-cells' + - '#interrupt-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/leds/common.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + sc2731_pmic: pmic@0 { + compatible = "sprd,sc2731"; + reg = <0>; + interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + spi-max-frequency = <26000000>; + #address-cells = <1>; + #interrupt-cells = <1>; + #size-cells = <0>; + + charger@0 { + compatible = "sprd,sc2731-charger"; + reg = <0x0>; + phys = <&ssphy>; + monitored-battery = <&bat>; + }; + + led-controller@200 { + compatible = "sprd,sc2731-bltc"; + reg = <0x200>; + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0x0>; + color = <LED_COLOR_ID_RED>; + }; + + led@1 { + reg = <0x1>; + color = <LED_COLOR_ID_GREEN>; + }; + + led@2 { + reg = <0x2>; + color = <LED_COLOR_ID_BLUE>; + }; + }; + + rtc@280 { + compatible = "sprd,sc2731-rtc"; + reg = <0x280>; + interrupt-parent = <&sc2731_pmic>; + interrupts = <2>; + }; + + pmic_eic: gpio@300 { + compatible = "sprd,sc2731-eic"; + reg = <0x300>; + interrupt-parent = <&sc2731_pmic>; + interrupts = <5>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + efuse@380 { + compatible = "sprd,sc2731-efuse"; + reg = <0x380>; + hwlocks = <&hwlock 12>; + #address-cells = <1>; + #size-cells = <1>; + + /* Data cells */ + fgu_calib: calib@6 { + reg = <0x6 0x2>; + bits = <0 9>; + }; + + adc_big_scale: calib@24 { + reg = <0x24 0x2>; + }; + + adc_small_scale: calib@26 { + reg = <0x26 0x2>; + }; + }; + + adc@480 { + compatible = "sprd,sc2731-adc"; + reg = <0x480>; + interrupt-parent = <&sc2731_pmic>; + interrupts = <0>; + #io-channel-cells = <1>; + hwlocks = <&hwlock 4>; + nvmem-cells = <&adc_big_scale>, <&adc_small_scale>; + nvmem-cell-names = "big_scale_calib", "small_scale_calib"; + }; + + fuel-gauge@a00 { + compatible = "sprd,sc2731-fgu"; + reg = <0xa00>; + battery-detect-gpios = <&pmic_eic 9 GPIO_ACTIVE_HIGH>; + interrupt-parent = <&sc2731_pmic>; + interrupts = <4>; + io-channels = <&pmic_adc 5>, <&pmic_adc 14>; + io-channel-names = "bat-temp", "charge-vol"; + nvmem-cells = <&fgu_calib>; + nvmem-cell-names = "fgu_calib"; + monitored-battery = <&bat>; + sprd,calib-resistance-micro-ohms = <21500>; + }; + + vibrator@ec8 { + compatible = "sprd,sc2731-vibrator"; + reg = <0xec8>; + }; + + regulators { + compatible = "sprd,sc2731-regulator"; + + BUCK_CPU0 { + regulator-name = "vddarm0"; + regulator-min-microvolt = <400000>; + regulator-max-microvolt = <1996875>; + regulator-ramp-delay = <25000>; + regulator-always-on; + }; + + LDO_CAMA0 { + regulator-name = "vddcama0"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3750000>; + regulator-enable-ramp-delay = <100>; + }; + }; + }; + }; +... |