linux-kernel - [PATCH v2 02/12] dt-bindings: net: add new property st,ext-phyclk in documentation for stm32

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Message-ID: <20230928122427.313271-3-christophe.roullier@foss.st.com>
Date:   Thu, 28 Sep 2023 14:24:17 +0200
From:   Christophe Roullier <christophe.roullier@...s.st.com>
To:     "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>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Richard Cochran <richardcochran@...il.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Christophe Roullier <christophe.roullier@...s.st.com>
CC:     <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 02/12] dt-bindings: net: add new property st,ext-phyclk in documentation for stm32

Add property st,ext-phyclk to manage cases when PHY have no cristal/quartz
This property can be used with RMII phy without cristal 50Mhz and when we
want to select RCC clock instead of ETH_REF_CLK
Can be used also with RGMII phy with no cristal and we select RCC clock
instead of ETH_CLK125
This new property replace st,eth-clk-sel and st,eth-ref-clk-sel

Signed-off-by: Christophe Roullier <christophe.roullier@...s.st.com>
---
 Documentation/devicetree/bindings/net/stm32-dwmac.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
index ca976281bfc22..54fda8b052abc 100644
--- a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
@@ -78,12 +78,21 @@ properties:
       encompases the glue register, the offset of the control register and
       the mask to set bitfield in control register
 
+  st,ext-phyclk:
+     description:
+      set this property in RMII mode when you have PHY without crystal 50MHz and want to
+      select RCC clock instead of ETH_REF_CLK. or in RGMII mode when you want to select
+      RCC clock instead of ETH_CLK125.
+    type: boolean
+
   st,eth-clk-sel:
+    deprecated: true
     description:
       set this property in RGMII PHY when you want to select RCC clock instead of ETH_CLK125.
     type: boolean
 
   st,eth-ref-clk-sel:
+    deprecated: true
     description:
       set this property in RMII mode when you have PHY without crystal 50MHz and want to
       select RCC clock instead of ETH_REF_CLK.
-- 
2.25.1