netdev - [PATCH 1/2] dt-bindings: net: fsl,fec: Add TX clock controls

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Date: Tue, 11 Jul 2023 18:08:04 +0300
From: Vesa Jääskeläinen <vesa.jaaskelainen@...sala.com>
To: 
Cc: vesa.jaaskelainen@...sala.com,
	Wei Fang <wei.fang@....com>,
	Shenwei Wang <shenwei.wang@....com>,
	Clark Wang <xiaoning.wang@....com>,
	NXP Linux Team <linux-imx@....com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Russell King <linux@...linux.org.uk>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 1/2] dt-bindings: net: fsl,fec: Add TX clock controls

With fsl,fec-tx-clock-output one can control if TX clock is routed outside
of the chip.

With fsl,fec-tx-clk-as-ref-clock one can select if external TX clock is as
reference clock.

Signed-off-by: Vesa Jääskeläinen <vesa.jaaskelainen@...sala.com>
---
 .../devicetree/bindings/net/fsl,fec.yaml          | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/fsl,fec.yaml b/Documentation/devicetree/bindings/net/fsl,fec.yaml
index b494e009326e..c09105878bc6 100644
--- a/Documentation/devicetree/bindings/net/fsl,fec.yaml
+++ b/Documentation/devicetree/bindings/net/fsl,fec.yaml
@@ -166,6 +166,21 @@ properties:
     description:
       If present, indicates that the hardware supports waking up via magic packet.
 
+  fsl,fec-tx-clock-output:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      If present, ENETx_TX_CLK output driver is enabled.
+      If not present, ENETx_TX_CLK output driver is disabled.
+
+  fsl,fec-tx-clk-as-ref-clock:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      If present, gets ENETx TX reference clk from the ENETx_TX_CLK pin. In
+      this use case, an external OSC provides the clock for both the external
+      PHY and the internal controller.
+      If not present, ENETx TX reference clock is driven by ref_enetpllx. This
+      clock is also output to pins via the IOMUX.ENET_REF_CLKx function.
+
   fsl,err006687-workaround-present:
     $ref: /schemas/types.yaml#/definitions/flag
     description:
-- 
2.34.1