From: Adam Ward <Adam.Ward.opensource@diasemi.com>
To: Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>,
<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
Support Opensource <support.opensource@diasemi.com>
Subject: [PATCH V2 2/3] DA9121: add DA914x binding info
Date: Tue, 23 Nov 2021 15:09:25 +0000 [thread overview]
Message-ID: <d3f89b99dfc40ba459e20cd7203b88d18da72834.1637679551.git.Adam.Ward.opensource@diasemi.com> (raw)
In-Reply-To: <cover.1637679551.git.Adam.Ward.opensource@diasemi.com>
Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
---
.../bindings/regulator/dlg,da9121.yaml | 84 ++++++++++++-------
1 file changed, 53 insertions(+), 31 deletions(-)
diff --git a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml b/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml
index 0aee5fcd6093..8441f630a84d 100644
--- a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml
+++ b/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml
@@ -17,27 +17,39 @@ description: |
Dialog Semiconductor DA9130 Single-channel 10A double-phase buck converter
Dialog Semiconductor DA9131 Double-channel 5A single-phase buck converter
Dialog Semiconductor DA9132 Double-channel 3A single-phase buck converter
-
- Current limits
-
- This is PER PHASE, and the current limit setting in the devices reflect
- that with a maximum 10A limit. Allowing for transients at/near double
- the rated current, this translates across the device range to per
- channel figures as so...
-
- | DA9121 DA9122 DA9220 DA9217
- | /DA9130 /DA9131 /DA9132
- -------------------------------------------------------------------
- Output current / channel | 10000000 5000000 3000000 6000000
- Output current / phase | 5000000 5000000 3000000 3000000
- -------------------------------------------------------------------
- Min regulator-min-microvolt| 300000 300000 300000 300000
- Max regulator-max-microvolt| 1900000 1900000 1900000 1900000
- Device hardware default | 1000000 1000000 1000000 1000000
- -------------------------------------------------------------------
- Min regulator-min-microamp | 7000000 3500000 3500000 7000000
- Max regulator-max-microamp | 20000000 10000000 6000000 12000000
- Device hardware default | 15000000 7500000 5500000 11000000
+ Dialog Semiconductor DA9141 Single-channel 40A quad-phase buck converter
+ Dialog Semiconductor DA9142 Single-channel 20A double-phase buck converter
+
+ Device parameter ranges
+
+ The current limits can be set to at/near double the rated current per channel
+ to allow for transient peaks.
+ Current limit changes when the output is enabled are not supported, as a
+ precaution against undefined behaviour.
+
+ |----------------------------------------------|
+ | | range & reset default value |
+ | Device |------------------------------|
+ | | microvolt | microamp |
+ |----------------------------------------------|
+ | DA9121/DA9130 | Min: 300000 | Min: 7000000 |
+ | | Max: 1900000 | Max: 20000000 |
+ |----------------------------------------------|
+ | DA9121/DA9131 | Min: 300000 | Min: 3500000 |
+ | | Max: 1900000 | Max: 10000000 |
+ |----------------------------------------------|
+ | DA9121/DA9131 | Min: 300000 | Min: 3500000 |
+ | | Max: 1900000 | Max: 6000000 |
+ |----------------------------------------------|
+ | DA9217 | Min: 300000 | Min: 7000000 |
+ | | Max: 1900000 | Max: 12000000 |
+ |----------------------------------------------|
+ | DA9141 | Min: 300000 | Min: 26000000 |
+ | | Max: 1300000 | Max: 78000000 |
+ |----------------------------------------------|
+ | DA9142 | Min: 300000 | Min: 13000000 |
+ | | Max: 1300000 | Max: 39000000 |
+ |----------------------------------------------|
properties:
$nodename:
@@ -51,6 +63,8 @@ properties:
- dlg,da9130
- dlg,da9131
- dlg,da9132
+ - dlg,da9141
+ - dlg,da9142
reg:
maxItems: 1
@@ -69,26 +83,33 @@ properties:
regulators:
type: object
- $ref: regulator.yaml#
+ maxItems: 2
description: |
- This node defines the settings for the BUCK. The content of the
- sub-node is defined by the standard binding for regulators; see regulator.yaml.
- The DA9121 regulator is bound using their names listed below
- buck1 - BUCK1
- buck2 - BUCK2 //DA9122, DA9220, DA9131, DA9132 only
+ List of regulators provided by the device
patternProperties:
"^buck([1-2])$":
type: object
$ref: regulator.yaml#
+ description: |
+ List of regulators provided by the device
+ This node defines the settings for the BUCK. The content of the
+ sub-node is defined by the standard binding for regulators; see regulator.yaml.
+ The DA9121 regulator is bound using their names listed below
+ buck1 - BUCK1
+ buck2 - BUCK2 //DA9122, DA9220, DA9131, DA9132 only
properties:
- regulator-mode:
- maxItems: 1
- description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
+ regulator-state-(standby|mem|disk):
+ type: object
+
+ properties:
+ regulator-mode:
+ enum: [ 0, 1, 2, 3 ]
+ description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
regulator-initial-mode:
- maxItems: 1
+ enum: [ 0, 1, 2, 3 ]
description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
enable-gpios:
@@ -97,6 +118,7 @@ properties:
dlg,ripple-cancel:
$ref: "/schemas/types.yaml#/definitions/uint32"
+ enum: [ 0, 1, 2, 3 ]
description: |
Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
Only present on multi-channel devices (DA9122, DA9220, DA9131, DA9132)
--
2.25.1
next prev parent reply other threads:[~2021-11-23 15:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-23 15:09 [PATCH V2 0/3] regulator: da9121: add DA914x support Adam Ward
2021-11-23 15:09 ` [PATCH V2 1/3] DA9121: remove erroneous compatible from binding Adam Ward
2021-11-23 15:09 ` Adam Ward [this message]
2021-11-23 15:09 ` [PATCH V2 3/3] DA9121: add DA914x support Adam Ward
2021-11-23 16:21 ` Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d3f89b99dfc40ba459e20cd7203b88d18da72834.1637679551.git.Adam.Ward.opensource@diasemi.com \
--to=adam.ward.opensource@diasemi.com \
--cc=broonie@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=lgirdwood@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=robh+dt@kernel.org \
--cc=support.opensource@diasemi.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®