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Diffstat (limited to 'Documentation/devicetree')
6 files changed, 658 insertions, 252 deletions
diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt b/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt deleted file mode 100644 index f22d74c7a8db..000000000000 --- a/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt +++ /dev/null @@ -1,90 +0,0 @@ -* ROHM BD71837 and BD71847 Power Management Integrated Circuit bindings - -BD71837MWV and BD71847MWV are programmable Power Management ICs for powering -single-core, dual-core, and quad-core SoCs such as NXP-i.MX 8M. They are -optimized for low BOM cost and compact solution footprint. BD71837MWV -integrates 8 Buck regulators and 7 LDOs. BD71847MWV contains 6 Buck regulators -and 6 LDOs. - -Datasheet for BD71837 is available at: -https://www.rohm.com/datasheet/BD71837MWV/bd71837mwv-e -Datasheet for BD71847 is available at: -https://www.rohm.com/datasheet/BD71847AMWV/bd71847amwv-e - -Required properties: - - compatible : Should be "rohm,bd71837" for bd71837 - "rohm,bd71847" for bd71847. - - reg : I2C slave address. - - interrupt-parent : Phandle to the parent interrupt controller. - - interrupts : The interrupt line the device is connected to. - - clocks : The parent clock connected to PMIC. If this is missing - 32768 KHz clock is assumed. - - #clock-cells : Should be 0. - - regulators: : List of child nodes that specify the regulators. - Please see ../regulator/rohm,bd71837-regulator.txt - -Optional properties: -- clock-output-names : Should contain name for output clock. -- rohm,reset-snvs-powered : Transfer BD718x7 to SNVS state at reset. - -The BD718x7 supports two different HW states as reset target states. States -are called as SNVS and READY. At READY state all the PMIC power outputs go -down and OTP is reload. At the SNVS state all other logic and external -devices apart from the SNVS power domain are shut off. Please refer to NXP -i.MX8 documentation for further information regarding SNVS state. When a -reset is done via SNVS state the PMIC OTP data is not reload. This causes -power outputs that have been under SW control to stay down when reset has -switched power state to SNVS. If reset is done via READY state the power -outputs will be returned to HW control by OTP loading. Thus the reset -target state is set to READY by default. If SNVS state is used the boot -crucial regulators must have the regulator-always-on and regulator-boot-on -properties set in regulator node. - -- rohm,short-press-ms : Short press duration in milliseconds -- rohm,long-press-ms : Long press duration in milliseconds - -Configure the "short press" and "long press" timers for the power button. -Values are rounded to what hardware supports (500ms multiple for short and -1000ms multiple for long). If these properties are not present the existing -configuration (from bootloader or OTP) is not touched. - -Example: - - /* external oscillator node */ - osc: oscillator { - compatible = "fixed-clock"; - #clock-cells = <1>; - clock-frequency = <32768>; - clock-output-names = "osc"; - }; - - pmic: pmic@4b { - compatible = "rohm,bd71837"; - reg = <0x4b>; - interrupt-parent = <&gpio1>; - interrupts = <29 GPIO_ACTIVE_LOW>; - interrupt-names = "irq"; - #clock-cells = <0>; - clocks = <&osc 0>; - clock-output-names = "bd71837-32k-out"; - rohm,reset-snvs-powered; - - regulators { - buck1: BUCK1 { - regulator-name = "buck1"; - regulator-min-microvolt = <700000>; - regulator-max-microvolt = <1300000>; - regulator-boot-on; - regulator-always-on; - regulator-ramp-delay = <1250>; - }; - // [...] - }; - }; - - /* Clock consumer node */ - rtc@0 { - compatible = "company,my-rtc"; - clock-names = "my-clock"; - clocks = <&pmic>; - }; diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.yaml b/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.yaml new file mode 100644 index 000000000000..aa922c560fcc --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.yaml @@ -0,0 +1,236 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/rohm,bd71837-pmic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM BD71837 Power Management Integrated Circuit bindings + +maintainers: + - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> + +description: | + BD71837MWV is programmable Power Management ICs for powering single-core, + dual-core, and quad-core SoCs such as NXP-i.MX 8M. It is optimized for low + BOM cost and compact solution footprint. BD71837MWV integrates 8 Buck + regulators and 7 LDOs. + Datasheet for BD71837 is available at + https://www.rohm.com/products/power-management/power-management-ic-for-system/industrial-consumer-applications/nxp-imx/bd71837amwv-product + +properties: + compatible: + const: rohm,bd71837 + + reg: + description: + I2C slave address. + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + "#clock-cells": + const: 0 + +# The BD718x7 supports two different HW states as reset target states. States +# are called as SNVS and READY. At READY state all the PMIC power outputs go +# down and OTP is reload. At the SNVS state all other logic and external +# devices apart from the SNVS power domain are shut off. Please refer to NXP +# i.MX8 documentation for further information regarding SNVS state. When a +# reset is done via SNVS state the PMIC OTP data is not reload. This causes +# power outputs that have been under SW control to stay down when reset has +# switched power state to SNVS. If reset is done via READY state the power +# outputs will be returned to HW control by OTP loading. Thus the reset +# target state is set to READY by default. If SNVS state is used the boot +# crucial regulators must have the regulator-always-on and regulator-boot-on +# properties set in regulator node. + + rohm,reset-snvs-powered: + description: | + Transfer PMIC to SNVS state at reset + type: boolean + +# Configure the "short press" and "long press" timers for the power button. +# Values are rounded to what hardware supports +# Short-press: +# Shortest being 10ms, next 500ms and then multiple of 500ms up to 7,5s +# Long-press: +# Shortest being 10ms, next 1000ms and then multiple of 1000ms up to 15s +# If these properties are not present the existing configuration (from +# bootloader or OTP) is not touched. + + rohm,short-press-ms: + description: + Short press duration in milliseconds + enum: + - 10 + - 500 + - 1000 + - 1500 + - 2000 + - 2500 + - 3000 + - 3500 + - 4000 + - 4500 + - 5000 + - 5500 + - 6000 + - 6500 + - 7000 + + rohm,long-press-ms: + description: + Long press duration in milliseconds + enum: + - 10 + - 1000 + - 2000 + - 3000 + - 4000 + - 5000 + - 6000 + - 7000 + - 8000 + - 9000 + - 10000 + - 11000 + - 12000 + - 13000 + - 14000 + + regulators: + $ref: ../regulator/rohm,bd71837-regulator.yaml + description: + List of child nodes that specify the regulators. + +required: + - compatible + - reg + - interrupts + - clocks + - "#clock-cells" + - regulators + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/leds/common.h> + + i2c { + pmic: pmic@4b { + compatible = "rohm,bd71837"; + reg = <0x4b>; + interrupt-parent = <&gpio1>; + interrupts = <29 IRQ_TYPE_LEVEL_LOW>; + #clock-cells = <0>; + clocks = <&osc 0>; + rohm,reset-snvs-powered; + rohm,short-press-ms = <10>; + rohm,long-press-ms = <2000>; + + regulators { + buck1: BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1250>; + rohm,dvs-run-voltage = <900000>; + rohm,dvs-idle-voltage = <850000>; + rohm,dvs-suspend-voltage = <800000>; + }; + buck2: BUCK2 { + regulator-name = "buck2"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1250>; + rohm,dvs-run-voltage = <1000000>; + rohm,dvs-idle-voltage = <900000>; + }; + buck3: BUCK3 { + regulator-name = "buck3"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + rohm,dvs-run-voltage = <1000000>; + }; + buck4: BUCK4 { + regulator-name = "buck4"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + rohm,dvs-run-voltage = <1000000>; + }; + buck5: BUCK5 { + regulator-name = "buck5"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1350000>; + regulator-boot-on; + }; + buck6: BUCK6 { + regulator-name = "buck6"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + buck7: BUCK7 { + regulator-name = "buck7"; + regulator-min-microvolt = <1605000>; + regulator-max-microvolt = <1995000>; + regulator-boot-on; + }; + buck8: BUCK8 { + regulator-name = "buck8"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1400000>; + }; + + ldo1: LDO1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + ldo2: LDO2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + regulator-boot-on; + }; + ldo3: LDO3 { + regulator-name = "ldo3"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + ldo4: LDO4 { + regulator-name = "ldo4"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + }; + ldo5: LDO5 { + regulator-name = "ldo5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + ldo6: LDO6 { + regulator-name = "ldo6"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + }; + ldo7_reg: LDO7 { + regulator-name = "ldo7"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd71847-pmic.yaml b/Documentation/devicetree/bindings/mfd/rohm,bd71847-pmic.yaml new file mode 100644 index 000000000000..402e40dfe0b8 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rohm,bd71847-pmic.yaml @@ -0,0 +1,222 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/rohm,bd71847-pmic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM BD71847 and BD71850 Power Management Integrated Circuit bindings + +maintainers: + - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> + +description: | + BD71847AMWV and BD71850MWV are programmable Power Management ICs for powering + single-core, dual-core, and quad-core SoCs such as NXP-i.MX 8M. It is + optimized for low BOM cost and compact solution footprint. BD71847MWV and + BD71850MWV integrate 6 Buck regulators and 6 LDOs. + Datasheets are available at + https://www.rohm.com/products/power-management/power-management-ic-for-system/industrial-consumer-applications/nxp-imx/bd71847amwv-product + https://www.rohm.com/products/power-management/power-management-ic-for-system/industrial-consumer-applications/nxp-imx/bd71850mwv-product + +properties: + compatible: + enum: + - rohm,bd71847 + - rohm,bd71850 + + reg: + description: + I2C slave address. + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + "#clock-cells": + const: 0 + +# The BD71847 abd BD71850 support two different HW states as reset target +# states. States are called as SNVS and READY. At READY state all the PMIC +# power outputs go down and OTP is reload. At the SNVS state all other logic +# and external devices apart from the SNVS power domain are shut off. Please +# refer to NXP i.MX8 documentation for further information regarding SNVS +# state. When a reset is done via SNVS state the PMIC OTP data is not reload. +# This causes power outputs that have been under SW control to stay down when +# reset has switched power state to SNVS. If reset is done via READY state the +# power outputs will be returned to HW control by OTP loading. Thus the reset +# target state is set to READY by default. If SNVS state is used the boot +# crucial regulators must have the regulator-always-on and regulator-boot-on +# properties set in regulator node. + + rohm,reset-snvs-powered: + description: + Transfer PMIC to SNVS state at reset. + type: boolean + +# Configure the "short press" and "long press" timers for the power button. +# Values are rounded to what hardware supports +# Short-press: +# Shortest being 10ms, next 500ms and then multiple of 500ms up to 7,5s +# Long-press: +# Shortest being 10ms, next 1000ms and then multiple of 1000ms up to 15s +# If these properties are not present the existing # configuration (from +# bootloader or OTP) is not touched. + + rohm,short-press-ms: + description: + Short press duration in milliseconds + enum: + - 10 + - 500 + - 1000 + - 1500 + - 2000 + - 2500 + - 3000 + - 3500 + - 4000 + - 4500 + - 5000 + - 5500 + - 6000 + - 6500 + - 7000 + - 7500 + + rohm,long-press-ms: + description: + Long press duration in milliseconds + enum: + - 10 + - 1000 + - 2000 + - 3000 + - 4000 + - 5000 + - 6000 + - 7000 + - 8000 + - 9000 + - 10000 + - 11000 + - 12000 + - 13000 + - 14000 + - 15000 + + regulators: + $ref: ../regulator/rohm,bd71847-regulator.yaml + description: + List of child nodes that specify the regulators. + +required: + - compatible + - reg + - interrupts + - clocks + - "#clock-cells" + - regulators + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/leds/common.h> + + i2c { + pmic: pmic@4b { + compatible = "rohm,bd71847"; + reg = <0x4b>; + interrupt-parent = <&gpio1>; + interrupts = <29 IRQ_TYPE_LEVEL_LOW>; + #clock-cells = <0>; + clocks = <&osc 0>; + rohm,reset-snvs-powered; + rohm,short-press-ms = <10>; + rohm,long-press-ms = <2000>; + + regulators { + buck1: BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1250>; + rohm,dvs-run-voltage = <900000>; + rohm,dvs-idle-voltage = <850000>; + rohm,dvs-suspend-voltage = <800000>; + }; + buck2: BUCK2 { + regulator-name = "buck2"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1250>; + rohm,dvs-run-voltage = <1000000>; + rohm,dvs-idle-voltage = <900000>; + }; + buck3: BUCK3 { + regulator-name = "buck3"; + regulator-min-microvolt = <550000>; + regulator-max-microvolt = <1350000>; + regulator-boot-on; + }; + buck4: BUCK4 { + regulator-name = "buck4"; + regulator-min-microvolt = <2600000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + buck5: BUCK5 { + regulator-name = "buck5"; + regulator-min-microvolt = <1605000>; + regulator-max-microvolt = <1995000>; + regulator-boot-on; + }; + buck8: BUCK6 { + regulator-name = "buck6"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1400000>; + }; + + ldo1: LDO1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <1600000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + ldo2: LDO2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <900000>; + regulator-boot-on; + }; + ldo3: LDO3 { + regulator-name = "ldo3"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + ldo4: LDO4 { + regulator-name = "ldo4"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + }; + ldo5: LDO5 { + regulator-name = "ldo5"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + }; + ldo6: LDO6 { + regulator-name = "ldo6"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.txt b/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.txt deleted file mode 100644 index cbce62c22b60..000000000000 --- a/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.txt +++ /dev/null @@ -1,162 +0,0 @@ -ROHM BD71837 and BD71847 Power Management Integrated Circuit regulator bindings - -Required properties: - - regulator-name: should be "buck1", ..., "buck8" and "ldo1", ..., "ldo7" for - BD71837. For BD71847 names should be "buck1", ..., "buck6" - and "ldo1", ..., "ldo6" - -List of regulators provided by this controller. BD71837 regulators node -should be sub node of the BD71837 MFD node. See BD71837 MFD bindings at -Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt -Regulator nodes should be named to BUCK_<number> and LDO_<number>. The -definition for each of these nodes is defined using the standard -binding for regulators at -Documentation/devicetree/bindings/regulator/regulator.txt. -Note that if BD71837 starts at RUN state you probably want to use -regulator-boot-on at least for BUCK6 and BUCK7 so that those are not -disabled by driver at startup. LDO5 and LDO6 are supplied by those and -if they are disabled at startup the voltage monitoring for LDO5/LDO6 will -cause PMIC to reset. - -The valid names for BD71837 regulator nodes are: -BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, BUCK7, BUCK8 -LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7 - -The valid names for BD71847 regulator nodes are: -BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6 -LDO1, LDO2, LDO3, LDO4, LDO5, LDO6 - -Optional properties: -- rohm,dvs-run-voltage : PMIC default "RUN" state voltage in uV. - See below table for bucks which support this. -- rohm,dvs-idle-voltage : PMIC default "IDLE" state voltage in uV. - See below table for bucks which support this. -- rohm,dvs-suspend-voltage : PMIC default "SUSPEND" state voltage in uV. - See below table for bucks which support this. -- Any optional property defined in bindings/regulator/regulator.txt - -Supported default DVS states: - -BD71837: -buck | dvs-run-voltage | dvs-idle-voltage | dvs-suspend-voltage ------------------------------------------------------------------------------ -1 | supported | supported | supported ----------------------------------------------------------------------------- -2 | supported | supported | not supported ----------------------------------------------------------------------------- -3 | supported | not supported | not supported ----------------------------------------------------------------------------- -4 | supported | not supported | not supported ----------------------------------------------------------------------------- -rest | not supported | not supported | not supported - -BD71847: -buck | dvs-run-voltage | dvs-idle-voltage | dvs-suspend-voltage ------------------------------------------------------------------------------ -1 | supported | supported | supported ----------------------------------------------------------------------------- -2 | supported | supported | not supported ----------------------------------------------------------------------------- -rest | not supported | not supported | not supported - -Example: -regulators { - buck1: BUCK1 { - regulator-name = "buck1"; - regulator-min-microvolt = <700000>; - regulator-max-microvolt = <1300000>; - regulator-boot-on; - regulator-always-on; - regulator-ramp-delay = <1250>; - rohm,dvs-run-voltage = <900000>; - rohm,dvs-idle-voltage = <850000>; - rohm,dvs-suspend-voltage = <800000>; - }; - buck2: BUCK2 { - regulator-name = "buck2"; - regulator-min-microvolt = <700000>; - regulator-max-microvolt = <1300000>; - regulator-boot-on; - regulator-always-on; - regulator-ramp-delay = <1250>; - rohm,dvs-run-voltage = <1000000>; - rohm,dvs-idle-voltage = <900000>; - }; - buck3: BUCK3 { - regulator-name = "buck3"; - regulator-min-microvolt = <700000>; - regulator-max-microvolt = <1300000>; - regulator-boot-on; - rohm,dvs-run-voltage = <1000000>; - }; - buck4: BUCK4 { - regulator-name = "buck4"; - regulator-min-microvolt = <700000>; - regulator-max-microvolt = <1300000>; - regulator-boot-on; - rohm,dvs-run-voltage = <1000000>; - }; - buck5: BUCK5 { - regulator-name = "buck5"; - regulator-min-microvolt = <700000>; - regulator-max-microvolt = <1350000>; - regulator-boot-on; - }; - buck6: BUCK6 { - regulator-name = "buck6"; - regulator-min-microvolt = <3000000>; - regulator-max-microvolt = <3300000>; - regulator-boot-on; - }; - buck7: BUCK7 { - regulator-name = "buck7"; - regulator-min-microvolt = <1605000>; - regulator-max-microvolt = <1995000>; - regulator-boot-on; - }; - buck8: BUCK8 { - regulator-name = "buck8"; - regulator-min-microvolt = <800000>; - regulator-max-microvolt = <1400000>; - }; - - ldo1: LDO1 { - regulator-name = "ldo1"; - regulator-min-microvolt = <3000000>; - regulator-max-microvolt = <3300000>; - regulator-boot-on; - }; - ldo2: LDO2 { - regulator-name = "ldo2"; - regulator-min-microvolt = <900000>; - regulator-max-microvolt = <900000>; - regulator-boot-on; - }; - ldo3: LDO3 { - regulator-name = "ldo3"; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3300000>; - }; - ldo4: LDO4 { - regulator-name = "ldo4"; - regulator-min-microvolt = <900000>; - regulator-max-microvolt = <1800000>; - }; - ldo5: LDO5 { - regulator-name = "ldo5"; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3300000>; - }; - ldo6: LDO6 { - regulator-name = "ldo6"; - regulator-min-microvolt = <900000>; - regulator-max-microvolt = <1800000>; - }; - ldo7_reg: LDO7 { - regulator-name = "ldo7"; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3300000>; - }; -}; - - diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.yaml b/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.yaml new file mode 100644 index 000000000000..a323b1696eee --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/rohm,bd71837-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM BD71837 Power Management Integrated Circuit regulators + +maintainers: + - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> + +description: | + List of regulators provided by this controller. BD71837 regulators node + should be sub node of the BD71837 MFD node. See BD71837 MFD bindings at + Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.yaml + Regulator nodes should be named to BUCK_<number> and LDO_<number>. The + definition for each of these nodes is defined using the standard + binding for regulators at + Documentation/devicetree/bindings/regulator/regulator.txt. + Note that if BD71837 starts at RUN state you probably want to use + regulator-boot-on at least for BUCK6 and BUCK7 so that those are not + disabled by driver at startup. LDO5 and LDO6 are supplied by those and + if they are disabled at startup the voltage monitoring for LDO5/LDO6 will + cause PMIC to reset. + +#The valid names for BD71837 regulator nodes are: +#BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, BUCK7, BUCK8 +#LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7 + +patternProperties: + "^LDO[1-7]$": + type: object + allOf: + - $ref: regulator.yaml# + description: + Properties for single LDO regulator. + + properties: + regulator-name: + pattern: "^ldo[1-7]$" + description: + should be "ldo1", ..., "ldo7" + + "^BUCK[1-8]$": + type: object + allOf: + - $ref: regulator.yaml# + description: + Properties for single BUCK regulator. + + properties: + regulator-name: + pattern: "^buck[1-8]$" + description: + should be "buck1", ..., "buck8" + + rohm,dvs-run-voltage: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 1300000 + description: + PMIC default "RUN" state voltage in uV. See below table for + bucks which support this. 0 means disabled. + + rohm,dvs-idle-voltage: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 1300000 + description: + PMIC default "IDLE" state voltage in uV. See below table for + bucks which support this. 0 means disabled. + + rohm,dvs-suspend-voltage: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 1300000 + description: + PMIC default "SUSPEND" state voltage in uV. See below table for + bucks which support this. 0 means disabled. + + # Supported default DVS states: + # + # BD71837: + # buck | dvs-run-voltage | dvs-idle-voltage | dvs-suspend-voltage + # ---------------------------------------------------------------- + # 1 | supported | supported | supported + # ---------------------------------------------------------------- + # 2 | supported | supported | not supported + # ---------------------------------------------------------------- + # 3 | supported | not supported | not supported + # ---------------------------------------------------------------- + # 4 | supported | not supported | not supported + # ---------------------------------------------------------------- + # rest | not supported | not supported | not supported + + + required: + - regulator-name + additionalProperties: false +additionalProperties: false diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd71847-regulator.yaml b/Documentation/devicetree/bindings/regulator/rohm,bd71847-regulator.yaml new file mode 100644 index 000000000000..526fd00bcb16 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/rohm,bd71847-regulator.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/rohm,bd71847-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM BD71847 and BD71850 Power Management Integrated Circuit regulators + +maintainers: + - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> + +description: | + List of regulators provided by this controller. BD71847 regulators node + should be sub node of the BD71847 MFD node. See BD71847 MFD bindings at + Documentation/devicetree/bindings/mfd/rohm,bd71847-pmic.yaml + Regulator nodes should be named to BUCK_<number> and LDO_<number>. The + definition for each of these nodes is defined using the standard + binding for regulators at + Documentation/devicetree/bindings/regulator/regulator.txt. + Note that if BD71847 starts at RUN state you probably want to use + regulator-boot-on at least for BUCK5. LDO6 is supplied by it and it must + not be disabled by driver at startup. If BUCK5 is disabled at startup the + voltage monitoring for LDO5/LDO6 can cause PMIC to reset. + +#The valid names for BD71847 regulator nodes are: +#BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6 +#LDO1, LDO2, LDO3, LDO4, LDO5, LDO6 + +patternProperties: + "^LDO[1-6]$": + type: object + allOf: + - $ref: regulator.yaml# + description: + Properties for single LDO regulator. + + properties: + regulator-name: + pattern: "^ldo[1-6]$" + description: + should be "ldo1", ..., "ldo6" + + "^BUCK[1-6]$": + type: object + allOf: + - $ref: regulator.yaml# + description: + Properties for single BUCK regulator. + + properties: + regulator-name: + pattern: "^buck[1-6]$" + description: + should be "buck1", ..., "buck6" + + rohm,dvs-run-voltage: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 1300000 + description: + PMIC default "RUN" state voltage in uV. See below table for + bucks which support this. 0 means disabled. + + rohm,dvs-idle-voltage: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 1300000 + description: + PMIC default "IDLE" state voltage in uV. See below table for + bucks which support this. 0 means disabled. + + rohm,dvs-suspend-voltage: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 1300000 + description: + PMIC default "SUSPEND" state voltage in uV. See below table for + bucks which support this. 0 means disabled. + + # Supported default DVS states: + # + # BD71847: + # buck | dvs-run-voltage | dvs-idle-voltage | dvs-suspend-voltage + # ---------------------------------------------------------------- + # 1 | supported | supported | supported + # ---------------------------------------------------------------- + # 2 | supported | supported | not supported + # ---------------------------------------------------------------- + # rest | not supported | not supported | not supported + + required: + - regulator-name + additionalProperties: false +additionalProperties: false |