From: Colin Foster <colin.foster@in-advantage.com>
To: colin.foster@in-advantage.com, andrew@lunn.ch,
vivien.didelot@gmail.com, f.fainelli@gmail.com,
olteanv@gmail.com, davem@davemloft.net, kuba@kernel.org,
robh+dt@kernel.org, claudiu.manoil@nxp.com,
alexandre.belloni@bootlin.com, UNGLinuxDriver@microchip.com,
hkallweit1@gmail.com, linux@armlinux.org.uk
Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [RFC PATCH v3 net-next 10/10] docs: devicetree: add documentation for the VSC7512 SPI device
Date: Fri, 13 Aug 2021 19:50:03 -0700 [thread overview]
Message-ID: <20210814025003.2449143-11-colin.foster@in-advantage.com> (raw)
In-Reply-To: <20210814025003.2449143-1-colin.foster@in-advantage.com>
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
---
.../devicetree/bindings/net/dsa/ocelot.txt | 92 +++++++++++++++++++
1 file changed, 92 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/dsa/ocelot.txt b/Documentation/devicetree/bindings/net/dsa/ocelot.txt
index 7a271d070b72..edf560a50803 100644
--- a/Documentation/devicetree/bindings/net/dsa/ocelot.txt
+++ b/Documentation/devicetree/bindings/net/dsa/ocelot.txt
@@ -8,6 +8,7 @@ Currently the switches supported by the felix driver are:
- VSC9959 (Felix)
- VSC9953 (Seville)
+- VSC7511, VSC7512, VSC7513, VSC7514 via SPI
The VSC9959 switch is found in the NXP LS1028A. It is a PCI device, part of the
larger ENETC root complex. As a result, the ethernet-switch node is a sub-node
@@ -211,3 +212,94 @@ Example:
};
};
};
+
+The VSC7513 and VSC7514 switches can be controlled internally via the MIPS
+processor. The VSC7511 and VSC7512 don't have this internal processor, but all
+four chips can be controlled externally through SPI with the following required
+properties:
+
+- compatible:
+ Can be "mscc,vsc7511", "mscc,vsc7512", "mscc,vsc7513", or
+ "mscc,vsc7514".
+
+Supported phy modes for all chips are:
+
+* phy_mode = "sgmii": on ports 0, 1, 2, 3
+
+The VSC7512 and 7514 also support:
+
+* phy_mode = "sgmii": on ports 4, 5, 6, 7
+* phy_mode = "qsgmii": on ports 7, 8, 10
+
+Example for control from a BeagleBone Black
+
+&spi0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethernet-switch@0 {
+ compatible = "mscc,vsc7512";
+ spi-max-frequency = <250000>;
+ reg = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ ethernet = <&mac>;
+ phy-mode = "sgmii";
+
+ fixed-link {
+ speed = <100>;
+ full-duplex;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ label = "swp1";
+ phy-handle = <&sw_phy1>;
+ phy-mode = "sgmii";
+ };
+
+ port@2 {
+ reg = <2>;
+ label = "swp2";
+ phy-handle = <&sw_phy2>;
+ phy-mode = "sgmii";
+ };
+
+ port@3 {
+ reg = <3>;
+ label = "swp3";
+ phy-handle = <&sw_phy3>;
+ phy-mode = "sgmii";
+ };
+ };
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sw_phy1: ethernet-phy@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x1>;
+ };
+
+ sw_phy2: ethernet-phy@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x2>;
+ };
+
+ sw_phy3: ethernet-phy@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x3>;
+ };
+ };
+ };
+};
--
2.25.1
next prev parent reply other threads:[~2021-08-14 2:51 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-14 2:49 [RFC PATCH v3 net-next 00/10] add support for VSC75XX control over SPI Colin Foster
2021-08-14 2:49 ` [RFC PATCH v3 net-next 01/10] net: dsa: ocelot: remove unnecessary pci_bar variables Colin Foster
2021-08-14 11:07 ` Vladimir Oltean
2021-08-14 16:26 ` Colin Foster
2021-08-14 2:49 ` [RFC PATCH v3 net-next 02/10] net: mdio: mscc-miim: convert to a regmap implementation Colin Foster
2021-08-14 11:03 ` Vladimir Oltean
2021-08-20 16:53 ` Colin Foster
2021-08-14 2:49 ` [RFC PATCH v3 net-next 03/10] net: dsa: ocelot: felix: switch to mdio-mscc-miim driver for indirect mdio access Colin Foster
2021-08-14 2:49 ` [RFC PATCH v3 net-next 04/10] net: dsa: ocelot: felix: Remove requirement for PCS in felix devices Colin Foster
2021-08-14 2:49 ` [RFC PATCH v3 net-next 05/10] net: dsa: ocelot: felix: add interface for custom regmaps Colin Foster
2021-08-14 2:49 ` [RFC PATCH v3 net-next 06/10] net: mscc: ocelot: split register definitions to a separate file Colin Foster
2021-08-14 11:15 ` Vladimir Oltean
2021-08-14 16:33 ` Colin Foster
2021-08-14 16:56 ` Alexandre Belloni
2021-08-14 2:50 ` [RFC PATCH v3 net-next 07/10] net: mscc: ocelot: expose ocelot wm functions Colin Foster
2021-08-14 11:17 ` Vladimir Oltean
2021-08-14 16:36 ` Colin Foster
2021-08-14 2:50 ` [RFC PATCH v3 net-next 08/10] net: mscc: ocelot: felix: add ability to enable a CPU / NPI port Colin Foster
2021-08-14 2:50 ` [RFC PATCH v3 net-next 09/10] net: dsa: ocelot: felix: add support for VSC75XX control over SPI Colin Foster
2021-08-14 11:43 ` Vladimir Oltean
2021-08-14 12:02 ` Vladimir Oltean
2021-08-15 19:10 ` Colin Foster
2021-08-15 20:41 ` Colin Foster
2021-08-15 23:14 ` Russell King (Oracle)
2021-08-15 23:27 ` Colin Foster
2021-08-16 0:05 ` Russell King (Oracle)
2021-08-17 9:41 ` Vladimir Oltean
2021-08-15 21:35 ` Russell King (Oracle)
2021-08-14 2:50 ` Colin Foster [this message]
2021-08-14 11:47 ` [RFC PATCH v3 net-next 10/10] docs: devicetree: add documentation for the VSC7512 SPI device Vladimir Oltean
2021-08-14 18:40 ` Colin Foster
2021-08-14 19:08 ` Vladimir Oltean
2021-08-14 23:41 ` Colin Foster
2021-08-15 0:00 ` Vladimir Oltean
2021-08-15 1:08 ` Colin Foster
2021-08-17 22:08 ` Rob Herring
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