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Date:   Tue, 19 Sep 2023 11:39:12 +0100
From:   Andre Przywara <andre.przywara@....com>
To:     Lee Jones <lee@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Icenowy Zheng <uwu@...nowy.me>, Mark Brown <broonie@...nel.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Shengyu Qu <wiagn233@...look.com>,
        Martin Botka <martin.botka1@...il.com>,
        Matthew Croughan <matthew.croughan@....how>,
        linux-sunxi@...ts.linux.dev, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/2] dt-bindings: mfd: x-powers,axp152: make interrupt optional for more chips

All X-Powers PMICs described by this binding have an IRQ pin, and so
far (almost) all boards connected this to some NMI pin or GPIO on the SoC
they are connected to.
However we start to see boards that omit this connection, and technically
the IRQ pin is not essential to the basic PMIC operation.

The existing Linux driver allows skipping the IRQ pin setup for two chips
already, so update the binding to also make the DT property optional for
the missing chip. And while we are at it, add the AXP313a to that list,
as they are actually boards out there not connecting the IRQ pin.

This allows to have DTs correctly describing those boards not wiring up
the interrupt.

Signed-off-by: Andre Przywara <andre.przywara@....com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
---
 Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml b/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
index 9ad55746133b5..06f1779835a1e 100644
--- a/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
+++ b/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
@@ -67,7 +67,10 @@ allOf:
         properties:
           compatible:
             contains:
-              const: x-powers,axp305
+              enum:
+                - x-powers,axp15060
+                - x-powers,axp305
+                - x-powers,axp313a
 
     then:
       required:
-- 
2.25.1

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