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

Wenbin Mei
2020-11-12T07:52:42Z

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

Signed-off-by: Wenbin Mei <wenbin.mei@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