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From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To: Sebastian Reichel <sre@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
	Hans de Goede <hdegoede@redhat.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Subject: [PATCH 3/3] dt-bindings: power: supply: max17042: describe interrupt
Date: Mon, 16 Aug 2021 10:27:16 +0200	[thread overview]
Message-ID: <20210816082716.21193-3-krzysztof.kozlowski@canonical.com> (raw)
In-Reply-To: <20210816082716.21193-1-krzysztof.kozlowski@canonical.com>

The Maxim 17042-family of fuel gauges are often embedded in other Maxim
chips, e.g. in Maxim 77693 which is a companion power management IC.
In such designs there might be actually two interrupts:
 - INTB signaling change from charger, flash or MUIC,
 - ALERT signaling change from fuel gauge.

Describe the interrupt in bindings to make it clear it is about the fuel
gauge ALERT interrupt, not the INT.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 .../devicetree/bindings/power/supply/maxim,max17042.yaml        | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max17042.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max17042.yaml
index c70f05ea6d27..95beae958096 100644
--- a/Documentation/devicetree/bindings/power/supply/maxim,max17042.yaml
+++ b/Documentation/devicetree/bindings/power/supply/maxim,max17042.yaml
@@ -25,6 +25,8 @@ properties:
 
   interrupts:
     maxItems: 1
+    description: |
+      The ALRT pin, an open-drain interrupt.
 
   maxim,rsns-microohm:
     $ref: /schemas/types.yaml#/definitions/uint32
-- 
2.30.2


  parent reply	other threads:[~2021-08-16  8:28 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-16  8:27 [PATCH 1/3] power: supply: max17042: handle fails of reading status register Krzysztof Kozlowski
2021-08-16  8:27 ` [PATCH 2/3] power: supply: max17042: remove duplicated STATUS bit defines Krzysztof Kozlowski
2021-08-16  8:27 ` Krzysztof Kozlowski [this message]
2021-08-17 22:28   ` [PATCH 3/3] dt-bindings: power: supply: max17042: describe interrupt Rob Herring
2021-08-16  8:42 ` [PATCH 1/3] power: supply: max17042: handle fails of reading status register Hans de Goede
2021-08-16 11:08   ` Sebastian Reichel

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