linux-kernel - [PATCH v2 4/6] dt-bindings: net: sun7i-gmac: Add syscon support

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Date:   Wed, 29 Apr 2020 23:46:10 +0300
From:   Priit Laes <plaes@...es.org>
To:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-sunxi@...glegroups.com
Cc:     Priit Laes <plaes@...es.org>
Subject: [PATCH v2 4/6] dt-bindings: net: sun7i-gmac: Add syscon support

Now that driver supports syscon-based regmap access, document also the
devicetree binding.

Signed-off-by: Priit Laes <plaes@...es.org>
---
 .../bindings/net/allwinner,sun7i-a20-gmac.yaml    | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.yaml b/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.yaml
index 703d0d886884..c41d7c598c19 100644
--- a/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.yaml
+++ b/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.yaml
@@ -29,17 +29,26 @@ properties:
   clocks:
     items:
       - description: GMAC main clock
+
+      # Deprecated
       - description: TX clock
 
   clock-names:
     items:
       - const: stmmaceth
+
+      # Deprecated
       - const: allwinner_gmac_tx
 
   phy-supply:
     description:
       PHY regulator
 
+  syscon:
+    $ref: /schemas/types.yaml#definitions/phandle
+    description:
+      Phandle to the device containing the GMAC clock register
+
 required:
   - compatible
   - reg
@@ -48,6 +57,7 @@ required:
   - clocks
   - clock-names
   - phy-mode
+  - syscon
 
 unevaluatedProperties: false
 
@@ -55,11 +65,12 @@ examples:
   - |
     gmac: ethernet@...0000 {
         compatible = "allwinner,sun7i-a20-gmac";
+        syscon = <&syscon>;
         reg = <0x01c50000 0x10000>;
         interrupts = <0 85 1>;
         interrupt-names = "macirq";
-        clocks = <&ahb_gates 49>, <&gmac_tx>;
-        clock-names = "stmmaceth", "allwinner_gmac_tx";
+        clocks = <&ahb_gates 49>;
+        clock-names = "stmmaceth";
         phy-mode = "mii";
     };
 
-- 
2.26.2