diff mbox series

[net-next,v4,1/3] dt-bindings: net: fec: add pps channel property

Message ID 20241004152419.79465-2-francesco@dolcini.it (mailing list archive)
State New
Headers show
Series net: fec: add PPS channel configuration | expand

Commit Message

Francesco Dolcini Oct. 4, 2024, 3:24 p.m. UTC 
From: Francesco Dolcini <francesco.dolcini@toradex.com>

Add fsl,pps-channel property to select where to connect the PPS signal.
This depends on the internal SoC routing and on the board, for example
on the i.MX8 SoC it can be connected to an external pin (using channel 1)
or to internal eDMA as DMA request (channel 0).

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
---
v4: improve commit message and explain why this is needed, as requested by
    Conor Dooley.
v3: no changes
v2: no changes
---
 Documentation/devicetree/bindings/net/fsl,fec.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Conor Dooley Oct. 4, 2024, 3:56 p.m. UTC | #1 
On Fri, Oct 04, 2024 at 05:24:17PM +0200, Francesco Dolcini wrote:
> From: Francesco Dolcini <francesco.dolcini@toradex.com>
> 
> Add fsl,pps-channel property to select where to connect the PPS signal.
> This depends on the internal SoC routing and on the board, for example
> on the i.MX8 SoC it can be connected to an external pin (using channel 1)
> or to internal eDMA as DMA request (channel 0).
> 
> Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/net/fsl,fec.yaml b/Documentation/devicetree/bindings/net/fsl,fec.yaml
index 5536c06139ca..24e863fdbdab 100644
--- a/Documentation/devicetree/bindings/net/fsl,fec.yaml
+++ b/Documentation/devicetree/bindings/net/fsl,fec.yaml
@@ -183,6 +183,13 @@  properties:
     description:
       Register bits of stop mode control, the format is <&gpr req_gpr req_bit>.
 
+  fsl,pps-channel:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 0
+    description:
+      Specifies to which timer instance the PPS signal is routed.
+    enum: [0, 1, 2, 3]
+
   mdio:
     $ref: mdio.yaml#
     unevaluatedProperties: false