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From:   Martin Blumenstingl <martin.blumenstingl@googlemail.com>
To:     davem@davemloft.net, netdev@vger.kernel.org,
        linux-amlogic@lists.infradead.org, robh+dt@kernel.org
Cc:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Subject: [PATCH 1/2] dt-bindings: net: dwmac-meson: Add a compatible string for G12A onwards
Date:   Sat, 20 Jun 2020 21:26:40 +0200
Message-Id: <20200620192641.175754-2-martin.blumenstingl@googlemail.com>
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Amlogic Meson G12A, G12B and SM1 have the same (at least as far as we
know at the time of writing) PRG_ETHERNET glue register implementation.
This implementation however is slightly different from AXG as it now has
an undocument "auto cali idx val" register in PRG_ETH1[17:16] which
seems to be related to RGMII Ethernet.

Add a compatible string for G12A and newer so the new registers can be
used.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
 Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml b/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
index 64c20c92c07d..85fefe3a0444 100644
--- a/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
@@ -22,6 +22,7 @@ select:
           - amlogic,meson8m2-dwmac
           - amlogic,meson-gxbb-dwmac
           - amlogic,meson-axg-dwmac
+          - amlogic,meson-g12a-dwmac
   required:
     - compatible
 
@@ -36,6 +37,7 @@ allOf:
               - amlogic,meson8m2-dwmac
               - amlogic,meson-gxbb-dwmac
               - amlogic,meson-axg-dwmac
+              - amlogic,meson-g12a-dwmac
 
     then:
       properties:
@@ -95,6 +97,7 @@ properties:
           - amlogic,meson8m2-dwmac
           - amlogic,meson-gxbb-dwmac
           - amlogic,meson-axg-dwmac
+          - amlogic,meson-g12a-dwmac
     contains:
       enum:
         - snps,dwmac-3.70a
-- 
2.27.0