linux-kernel - [PATCH net-next v1 3/4] dt-bindings: net: phy: add MaxLinear GPY2xx bindings

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Date:   Fri,  2 Dec 2022 16:12:03 +0100
From:   Michael Walle <michael@...le.cc>
To:     Xu Liang <lxu@...linear.com>, Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "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>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Michael Walle <michael@...le.cc>
Subject: [PATCH net-next v1 3/4] dt-bindings: net: phy: add MaxLinear GPY2xx bindings

Add the device tree bindings for the MaxLinear GPY2xx PHYs.

Signed-off-by: Michael Walle <michael@...le.cc>
---

Is the filename ok? I was unsure because that flag is only for the GPY215
for now. But it might also apply to others. Also there is no compatible
string, so..

 .../bindings/net/maxlinear,gpy2xx.yaml        | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/maxlinear,gpy2xx.yaml

diff --git a/Documentation/devicetree/bindings/net/maxlinear,gpy2xx.yaml b/Documentation/devicetree/bindings/net/maxlinear,gpy2xx.yaml
new file mode 100644
index 000000000000..d71fa9de2b64
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/maxlinear,gpy2xx.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/maxlinear,gpy2xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MaxLinear GPY2xx PHY
+
+maintainers:
+  - Andrew Lunn <andrew@...n.ch>
+  - Michael Walle <michael@...le.cc>
+
+allOf:
+  - $ref: ethernet-phy.yaml#
+
+properties:
+  maxlinear,use-broken-interrupts:
+    description: |
+      Interrupts are broken on some GPY2xx PHYs in that they keep the
+      interrupt line asserted even after the interrupt status register is
+      cleared. Thus it is blocking the interrupt line which is usually bad
+      for shared lines. By default interrupts are disabled for this PHY and
+      polling mode is used. If one can live with the consequences, this
+      property can be used to enable interrupt handling.
+
+      Affected PHYs (as far as known) are GPY215B and GPY215C.
+    type: boolean
+
+dependencies:
+  maxlinear,use-broken-interrupts: [ interrupts ]
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    ethernet {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ethernet-phy@0 {
+            reg = <0>;
+            interrupts-extended = <&intc 0>;
+            maxlinear,use-broken-interrupts;
+        };
+    };
+
+...
-- 
2.30.2