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91 lines
3.1 KiB
Diff
91 lines
3.1 KiB
Diff
From 350a4e8e9d517d2d7c48bc915da5b1e30163add3 Mon Sep 17 00:00:00 2001
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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Date: Mon, 15 Jul 2013 17:34:10 +0200
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Subject: [PATCH 082/203] net: mvneta: add support for fixed links
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Following the introduction of of_phy_register_fixed_link(), this patch
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introduces fixed link support in the mvneta driver, for Marvell Armada
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370/XP SOCs.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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---
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.../bindings/net/marvell-armada-370-neta.txt | 24 +++++++++++++++++++---
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drivers/net/ethernet/marvell/mvneta.c | 18 +++++++++++-----
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2 files changed, 34 insertions(+), 8 deletions(-)
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--- a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
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+++ b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
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@@ -4,13 +4,21 @@ Required properties:
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- compatible: should be "marvell,armada-370-neta".
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- reg: address and length of the register set for the device.
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- interrupts: interrupt for the device
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-- phy: A phandle to a phy node defining the PHY address (as the reg
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- property, a single integer).
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- phy-mode: The interface between the SoC and the PHY (a string that
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of_get_phy_mode() can understand)
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- clocks: a pointer to the reference clock for this device.
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-Example:
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+Optional properties:
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+
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+- phy: A phandle to a phy node defining the PHY address (as the reg
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+ property, a single integer). Note: if this property isn't present,
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+ then fixed link is assumed, and the 'fixed-link' property is
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+ mandatory.
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+- fixed-link: A 5 elements array that describe a fixed link, see
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+ fixed-link.txt for details. Note: if a 'phy' property is present,
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+ this 'fixed-link' property is ignored.
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+
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+Examples:
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ethernet@d0070000 {
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compatible = "marvell,armada-370-neta";
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@@ -21,3 +29,13 @@ ethernet@d0070000 {
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phy = <&phy0>;
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phy-mode = "rgmii-id";
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};
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+
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+ethernet@d0070000 {
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+ compatible = "marvell,armada-370-neta";
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+ reg = <0xd0070000 0x2500>;
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+ interrupts = <8>;
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+ clocks = <&gate_clk 4>;
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+ status = "okay";
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+ fixed-link = <1 1 1000 0 0>;
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+ phy-mode = "rgmii-id";
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+};
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--- a/drivers/net/ethernet/marvell/mvneta.c
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+++ b/drivers/net/ethernet/marvell/mvneta.c
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@@ -2360,8 +2360,12 @@ static int mvneta_mdio_probe(struct mvne
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{
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struct phy_device *phy_dev;
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- phy_dev = of_phy_connect(pp->dev, pp->phy_node, mvneta_adjust_link, 0,
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- pp->phy_interface);
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+ if (pp->phy_node)
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+ phy_dev = of_phy_connect(pp->dev, pp->phy_node, mvneta_adjust_link, 0,
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+ pp->phy_interface);
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+ else
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+ phy_dev = of_phy_connect_fixed_link(pp->dev, mvneta_adjust_link,
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+ pp->phy_interface);
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if (!phy_dev) {
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netdev_err(pp->dev, "could not find the PHY\n");
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return -ENODEV;
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@@ -2719,9 +2723,13 @@ static int mvneta_probe(struct platform_
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phy_node = of_parse_phandle(dn, "phy", 0);
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if (!phy_node) {
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- dev_err(&pdev->dev, "no associated PHY\n");
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- err = -ENODEV;
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- goto err_free_irq;
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+ /* No 'phy' found, see if we have a 'fixed-link'
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+ * property */
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+ err = of_phy_register_fixed_link(dn);
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+ if (err < 0) {
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+ dev_err(&pdev->dev, "no 'phy' or 'fixed-link' properties\n");
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+ goto err_free_irq;
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+ }
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}
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phy_mode = of_get_phy_mode(dn);
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