[PATCH v1 1/3] dt-bindings: mmc: Add optional cqe off properties

Wenbin Mei wenbin.mei at mediatek.com
Thu Nov 12 02:52:06 EST 2020


Add optional properties for cqe hosts which are used to set cqe off
during suspend flow.

Signed-off-by: Wenbin Mei <wenbin.mei at mediatek.com>
---
 Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
index b96da0c7f819..457c9a84b988 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
+++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
@@ -164,6 +164,13 @@ properties:
     description:
       enable SDIO IRQ signalling on this interface
 
+  cqe-off-in-suspend:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      After suspend, the mmc host is powered off by HW, and bring CQE register
+      to default state, so we add the flag to re-init CQE register after resume
+      back.
+
   full-pwr-cycle:
     $ref: /schemas/types.yaml#/definitions/flag
     description:
-- 
2.18.0


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