[PATCH v2 3/3] dt-bindings: serial: 8250: add aspeed, sirq-active-high

Zev Weiss zev at bewilderbeest.net
Thu Apr 1 11:57:02 AEDT 2021


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 at 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



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