netdev - [PATCH v4 net-next 4/7] dt-bindings: net: dsa: realtek-smi: document new compatible rtl8365mb

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Message-Id: <20211018093804.3115191-5-alvin@pqrs.dk>
Date:   Mon, 18 Oct 2021 11:37:59 +0200
From:   Alvin Šipraga <alvin@...s.dk>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>
Cc:     arinc.unal@...nc9.com,
        Alvin Šipraga <alsi@...g-olufsen.dk>,
        Rob Herring <robh@...nel.org>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 net-next 4/7] dt-bindings: net: dsa: realtek-smi: document new compatible rtl8365mb

From: Alvin Šipraga <alsi@...g-olufsen.dk>

rtl8365mb is a new realtek-smi subdriver for the RTL8365MB-VC 4+1 port
10/100/1000M Ethernet switch controller. Its compatible string is
"realtek,rtl8365mb".

Signed-off-by: Alvin Šipraga <alsi@...g-olufsen.dk>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
Acked-by: Rob Herring <robh@...nel.org>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
---

v3 -> v4: no change

v2 -> v3: no change

v1 -> v2:
  - add an example to highlight RGMII delay configuration and CPU port
    reg number

RFC -> v1: no change; collect Reviewed-by and Acked-by

 .../bindings/net/dsa/realtek-smi.txt          | 87 +++++++++++++++++++
 1 file changed, 87 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/dsa/realtek-smi.txt b/Documentation/devicetree/bindings/net/dsa/realtek-smi.txt
index b6ae8541bd55..7959ec237983 100644
--- a/Documentation/devicetree/bindings/net/dsa/realtek-smi.txt
+++ b/Documentation/devicetree/bindings/net/dsa/realtek-smi.txt
@@ -9,6 +9,7 @@ SMI-based Realtek devices.
 Required properties:
 
 - compatible: must be exactly one of:
+      "realtek,rtl8365mb" (4+1 ports)
       "realtek,rtl8366"
       "realtek,rtl8366rb" (4+1 ports)
       "realtek,rtl8366s"  (4+1 ports)
@@ -62,6 +63,8 @@ and subnodes of DSA switches.
 
 Examples:
 
+An example for the RTL8366RB:
+
 switch {
 	compatible = "realtek,rtl8366rb";
 	/* 22 = MDIO (has input reads), 21 = MDC (clock, output only) */
@@ -151,3 +154,87 @@ switch {
 		};
 	};
 };
+
+An example for the RTL8365MB-VC:
+
+switch {
+	compatible = "realtek,rtl8365mb";
+	mdc-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>;
+	mdio-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
+	reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
+
+	switch_intc: interrupt-controller {
+		interrupt-parent = <&gpio5>;
+		interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-controller;
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+	};
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0>;
+		port@0 {
+			reg = <0>;
+			label = "swp0";
+			phy-handle = <&ethphy0>;
+		};
+		port@1 {
+			reg = <1>;
+			label = "swp1";
+			phy-handle = <&ethphy1>;
+		};
+		port@2 {
+			reg = <2>;
+			label = "swp2";
+			phy-handle = <&ethphy2>;
+		};
+		port@3 {
+			reg = <3>;
+			label = "swp3";
+			phy-handle = <&ethphy3>;
+		};
+		port@6 {
+			reg = <6>;
+			label = "cpu";
+			ethernet = <&fec1>;
+			phy-mode = "rgmii";
+			tx-internal-delay-ps = <2000>;
+			rx-internal-delay-ps = <2000>;
+
+			fixed-link {
+				speed = <1000>;
+				full-duplex;
+				pause;
+			};
+		};
+	};
+
+	mdio {
+		compatible = "realtek,smi-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: phy@0 {
+			reg = <0>;
+			interrupt-parent = <&switch_intc>;
+			interrupts = <0>;
+		};
+		ethphy1: phy@1 {
+			reg = <1>;
+			interrupt-parent = <&switch_intc>;
+			interrupts = <1>;
+		};
+		ethphy2: phy@2 {
+			reg = <2>;
+			interrupt-parent = <&switch_intc>;
+			interrupts = <2>;
+		};
+		ethphy3: phy@3 {
+			reg = <3>;
+			interrupt-parent = <&switch_intc>;
+			interrupts = <3>;
+		};
+	};
+};
-- 
2.32.0