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Date: Fri, 1 Nov 2019 13:31:46 +0200
From: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
To: matti.vaittinen@...rohmeurope.com, mazziesaccount@...il.com
Cc: Jacek Anaszewski <jacek.anaszewski@...il.com>,
Pavel Machek <pavel@....cz>, Dan Murphy <dmurphy@...com>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Lee Jones <lee.jones@...aro.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <bgolaszewski@...libre.com>,
Alessandro Zummo <a.zummo@...ertech.it>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
linux-gpio@...r.kernel.org, linux-rtc@...r.kernel.org
Subject: [RFC PATCH v3 03/15] dt-bindings: regulator: Document ROHM BD71282
regulator bindings
Document ROHM BD71828 PMIC regulator device tree bindings.
Signed-off-by: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
---
Changes from v2 - my first encounter with yaml :/
.../regulator/rohm,bd71828-regulator.yaml | 123 ++++++++++++++++++
1 file changed, 123 insertions(+)
create mode 100644 Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml
diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml b/Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml
new file mode 100644
index 000000000000..60715d8b92df
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml
@@ -0,0 +1,123 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/rohm,bd71828-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ROHM BD71828 Power Management Integrated Circuit regulators
+
+maintainers:
+ - Liam Girdwood <lgirdwood@...il.com>
+ - Mark Brown <broonie@...nel.org>
+ - Rob Herring <robh+dt@...nel.org>
+ - Mark Rutland <mark.rutland@....com>
+
+description: |
+ This module is part of the ROHM BD71828 MFD device. For more details
+ see Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml.
+
+ The regulator controller is represented as a sub-node of the PMIC node
+ on the device tree.
+
+ Regulator nodes should be named to BUCK_<number> and LDO_<number>.
+ The valid names for BD71828 regulator nodes are
+ BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, BUCK7
+ LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7
+
+patternProperties:
+ "^LDO[1-7]$":
+ type: object
+ allOf:
+ - $ref: regulator.yaml#
+ description:
+ Properties for single LDO regulator.
+
+ properties:
+ #Is there a nice way to check the name is same as node name but lower case
+ regulator-name:
+ description:
+ should be "ldo1", ..., "ldo7"
+
+ "^BUCK[1-7]$":
+ type: object
+ allOf:
+ - $ref: regulator.yaml#
+ description:
+ Properties for single BUCK regulator.
+
+ properties:
+ #Is there a nice way to check the name is same as node name but lower case
+ regulator-name:
+ description:
+ should be "buck1", ..., "buck7"
+
+ rohm,dvs-run-voltage:
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ description:
+ PMIC default "RUN" state voltage in uV. See below table for
+ bucks which support this.
+
+ rohm,dvs-idle-voltage:
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ description:
+ PMIC default "IDLE" state voltage in uV. See below table for
+ bucks which support this.
+
+ rohm,dvs-suspend-voltage:
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ description:
+ PMIC default "SUSPEND" state voltage in uV. See below table for
+ bucks which support this.
+
+ rohm,dvs-lpsr-voltage:
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ description:
+ PMIC default "LPSR" state voltage in uV. See below table for
+ bucks which support this.
+
+#Supported default DVS states:
+#buck | run | idle | suspend | lpsr
+#----------------------------------------------------------------------------
+#1, 2, 6, and 7 | supported | supported | supported (*)
+#----------------------------------------------------------------------------
+#3, 4, and 5 | supported (**)
+#----------------------------------------------------------------------------
+#(*) LPSR and SUSPEND states use same voltage but both states have own enable /
+# disable settings. Voltage 0 can be specified for a state to make regulator
+# disabled on that state.
+#(**) All states use same voltage but have own enable / disable settings.
+# Voltage 0 can be specified for a state to make regulator disabled on that
+# state.
+
+ rohm,dvs-runlvl-ctrl:
+ description: |
+ buck control is done based on run-level. Regulator is not
+ individually controllable. See ../mfd/rohm,bd71828-pmic.yaml for
+ how to specify run-level control mechanism. Only bucks 1, 2, 6
+ and 7 support this.
+ type: boolean
+
+ rohm,dvs-runlevel0-voltage:
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ description:
+ voltage for run-level 0. Microvolts.
+
+ rohm,dvs-runlevel1-voltage:
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ description:
+ voltage for run-level 1. Microvolts.
+
+ rohm,dvs-runlevel2-voltage:
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ description:
+ voltage for run-level 2. Microvolts.
+
+ rohm,dvs-runlevel3-voltage:
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ description:
+ voltage for run-level 3. Microvolts.
+
+ required:
+ - regulator-name
+ additionalProperties: false
+additionalProperties: false
--
2.21.0
--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]
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