diff mbox series

[linux,dev-6.6,4/5] dt-bindings: pinctrl: aspeed,ast2600-pinctrl: add NCSI groups

Message ID 20240724172129.3064490-5-potin.lai.pt@gmail.com
State New
Headers show
Series Add NCSI pin group config to aspeed-g6 pinctrl | expand

Commit Message

Potin Lai July 24, 2024, 5:21 p.m. UTC 
In the NCSI pin table, the reference clock output pin (RMIIXRCLKO) is not
needed on the management controller side.

Add "NCSI" pin groups that are equivalent to the RMII pin groups, but
without the RMIIXRCLKO pin.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Potin Lai <potin.lai.pt@gmail.com>
---
 .../bindings/pinctrl/aspeed,ast2600-pinctrl.yaml           | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml
index 00b6974a5ed3d..80974c46f3ef9 100644
--- a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml
@@ -19,6 +19,11 @@  description: |+
   Refer to the bindings described in
   Documentation/devicetree/bindings/mfd/syscon.yaml
 
+  Note: According to the NCSI specification, the reference clock output pin
+  (RMIIXRCLKO) is not required on the management controller side. To optimize
+  pin usage, add "NCSI" pin groups that are equivalent to the RMII pin groups,
+  but without the RMIIXRCLKO pin.
+
 properties:
   compatible:
     const: aspeed,ast2600-pinctrl
@@ -337,6 +342,8 @@  additionalProperties:
         - MDIO2
         - MDIO3
         - MDIO4
+        - NCSI3
+        - NCSI4
         - NCTS1
         - NCTS2
         - NCTS3