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From:   Zev Weiss <zev@bewilderbeest.net>
To:     Joel Stanley <joel@jms.id.au>
Cc:     openbmc@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org,
        linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        Andrew Jeffery <andrew@aj.id.au>,
        Zev Weiss <zev@bewilderbeest.net>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Rob Herring <robh+dt@kernel.org>,
        Lubomir Rintel <lkundrak@v3.sk>,
        - <devicetree@vger.kernel.org>, linux-serial@vger.kernel.org
Subject: [PATCH v2 3/3] dt-bindings: serial: 8250: add aspeed,sirq-active-high
Date:   Wed, 31 Mar 2021 19:57:02 -0500
Message-Id: <20210401005702.28271-4-zev@bewilderbeest.net>
In-Reply-To: <20210401005702.28271-1-zev@bewilderbeest.net>
References: <YGOuhjD19SmjmQou@hatter.bewilderbeest.net>
 <20210401005702.28271-1-zev@bewilderbeest.net>
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This provides a simpler, more direct alternative to the deprecated
aspeed,sirq-polarity-sense property for indicating the polarity of
the Aspeed VUART's SIRQ line.

Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
---
 Documentation/devicetree/bindings/serial/8250.yaml | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml
index 491b9297432d..e79bb6ab9d2c 100644
--- a/Documentation/devicetree/bindings/serial/8250.yaml
+++ b/Documentation/devicetree/bindings/serial/8250.yaml
@@ -12,8 +12,9 @@ maintainers:
 allOf:
   - $ref: /schemas/serial.yaml#
   - if:
-      required:
-        - aspeed,sirq-polarity-sense
+      anyOf:
+        - required: [ aspeed,sirq-active-high ]
+        - required: [ aspeed,sirq-polarity-sense ]
     then:
       properties:
         compatible:
@@ -190,6 +191,12 @@ properties:
       applicable to aspeed,ast2500-vuart.
     deprecated: true
 
+  aspeed,sirq-active-high:
+    type: boolean
+    description: |
+      Set to indicate that the SIRQ polarity is active-high (default
+      is active-low).  Only applicable to aspeed,ast2500-vuart.
+
 required:
   - reg
   - interrupts
@@ -228,7 +235,7 @@ examples:
         interrupts = <8>;
         clocks = <&syscon ASPEED_CLK_APB>;
         no-loopback-test;
-        aspeed,sirq-polarity-sense = <&syscon 0x70 25>;
+        aspeed,sirq-active-high;
     };
 
 ...
-- 
2.31.1