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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/mfd/rohm,bd9571mwv.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/rohm,bd9571mwv.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/mfd/rohm,bd9571mwv.yaml | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd9571mwv.yaml b/Documentation/devicetree/bindings/mfd/rohm,bd9571mwv.yaml new file mode 100644 index 000000000..89f9efee4 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rohm,bd9571mwv.yaml @@ -0,0 +1,127 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/rohm,bd9571mwv.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM BD9571MWV/BD9574MWF Power Management Integrated Circuit (PMIC) + +maintainers: + - Marek Vasut <marek.vasut@gmail.com> + +properties: + compatible: + enum: + - rohm,bd9571mwv + - rohm,bd9574mwf + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + rohm,ddr-backup-power: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0x0 + maximum: 0xf + description: | + Value to use for DDR-Backup Power (default 0). + This is a bitmask that specifies which DDR power rails need to be kept + powered when backup mode is entered, for system suspend: + - bit 0: DDR0 + - bit 1: DDR1 + - bit 2: DDR0C + - bit 3: DDR1C + These bits match the KEEPON_DDR* bits in the documentation for the "BKUP + Mode Cnt" register. + + rohm,rstbmode-level: + $ref: /schemas/types.yaml#/definitions/flag + description: + The RSTB signal is configured for level mode, to accommodate a toggle + power switch (the RSTBMODE pin is strapped low). + + rohm,rstbmode-pulse: + $ref: /schemas/types.yaml#/definitions/flag + description: + The RSTB signal is configured for pulse mode, to accommodate a momentary + power switch (the RSTBMODE pin is strapped high). + + regulators: + type: object + description: + List of child nodes that specify the regulator initialization data. + Child nodes must be named after their hardware counterparts. + + patternProperties: + "^(vd09|vd18|vd25|vd33|dvfs)$": + type: object + $ref: ../regulator/regulator.yaml# + + properties: + regulator-name: + pattern: "^(vd09|vd18|vd25|vd33|dvfs)$" + + unevaluatedProperties: false + + additionalProperties: false + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - interrupt-controller + - '#interrupt-cells' + - gpio-controller + - '#gpio-cells' + +oneOf: + - required: + - rohm,rstbmode-level + - required: + - rohm,rstbmode-pulse + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic: pmic@30 { + compatible = "rohm,bd9571mwv"; + reg = <0x30>; + interrupt-parent = <&gpio2>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + rohm,ddr-backup-power = <0xf>; + rohm,rstbmode-pulse; + + regulators { + dvfs: dvfs { + regulator-name = "dvfs"; + regulator-min-microvolt = <750000>; + regulator-max-microvolt = <1030000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; + }; |