linux-kernel - [PATCH 2/3] dt-bindings: serial: 8250: update for aspeed,sirq-active-high

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Date:   Mon, 29 Mar 2021 19:23:37 -0500
From:   Zev Weiss <zev@...ilderbeest.net>
To:     Joel Stanley <joel@....id.au>
Cc:     openbmc@...ts.ozlabs.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Andrew Jeffery <andrew@...id.au>,
        Zev Weiss <zev@...ilderbeest.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Lubomir Rintel <lkundrak@...sk>,
        - <devicetree@...r.kernel.org>, linux-serial@...r.kernel.org
Subject: [PATCH 2/3] dt-bindings: serial: 8250: update for aspeed,sirq-active-high

Update DT bindings documentation for the new incarnation of the
aspeed,sirq-polarity-sense property.

Signed-off-by: Zev Weiss <zev@...ilderbeest.net>
---
 Documentation/devicetree/bindings/serial/8250.yaml | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml
index f54cae9ff7b2..0bbb7121f720 100644
--- a/Documentation/devicetree/bindings/serial/8250.yaml
+++ b/Documentation/devicetree/bindings/serial/8250.yaml
@@ -13,7 +13,7 @@ allOf:
   - $ref: /schemas/serial.yaml#
   - if:
       required:
-        - aspeed,sirq-polarity-sense
+        - aspeed,sirq-active-high
     then:
       properties:
         compatible:
@@ -181,13 +181,11 @@ properties:
   rng-gpios: true
   dcd-gpios: true
 
-  aspeed,sirq-polarity-sense:
-    $ref: /schemas/types.yaml#/definitions/phandle-array
+  aspeed,sirq-active-high:
+    type: boolean
     description: |
-      Phandle to aspeed,ast2500-scu compatible syscon alongside register
-      offset and bit number to identify how the SIRQ polarity should be
-      configured. One possible data source is the LPC/eSPI mode bit. Only
-      applicable to aspeed,ast2500-vuart.
+      Set to indicate that the SIRQ polarity is active-high (default
+      is active-low).  Only applicable to aspeed,ast2500-vuart.
 
 required:
   - reg
@@ -227,7 +225,7 @@ 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