diff mbox series

[net-next,07/16] dt-bindings: net: dwmac: Add Tx/Rx clock sources

Message ID 20230313225103.30512-8-Sergey.Semin@baikalelectronics.ru (mailing list archive)
State New, archived
Headers show
Series dt-bindings: net: dwmac: Extend clocks, props desc and constraints | expand

Commit Message

Serge Semin March 13, 2023, 10:50 p.m. UTC 
Generic DW *MAC can be connected to an external Transmit and Receive clock
generators. Add the corresponding clocks description and clock-names to
the generic bindings schema so new DW *MAC-based bindings wouldn't declare
its own names of the same clocks.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../devicetree/bindings/net/snps,dwmac.yaml        | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index 3e3fbc1dfafa..01f385867c3a 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -47,6 +47,18 @@  properties:
           MCI, CSR and SMA interfaces run on this clock. If it's omitted,
           the CSR interfaces are considered as synchronous to the system
           clock domain.
+      - description:
+          GMAC Tx clock or so called Transmit clock. The clock is supplied
+          by an external with respect to the DW MAC clock generator.
+          The clock source and its frequency depends on the DW MAC xMII mode.
+          In case if it's supplied by PHY/SerDes this property can be
+          omitted.
+      - description:
+          GMAC Rx clock or so called Receive clock. The clock is supplied
+          by an external with respect to the DW MAC clock generator.
+          The clock source and its frequency depends on the DW MAC xMII mode.
+          In case if it's supplied by PHY/SerDes or it's synchronous to
+          the Tx clock this property can be omitted.
       - description:
           PTP reference clock. This clock is used for programming the
           Timestamp Addend Register. If not passed then the system
@@ -60,6 +72,8 @@  properties:
       enum:
         - stmmaceth
         - pclk
+        - tx
+        - rx
         - ptp_ref
 
   resets: