diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0080-of-provide-a-binding-for-the-fixed-link-property.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0080-of-provide-a-binding-for-the-fixed-link-property.patch | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/target/linux/mvebu/patches-3.10/0080-of-provide-a-binding-for-the-fixed-link-property.patch b/target/linux/mvebu/patches-3.10/0080-of-provide-a-binding-for-the-fixed-link-property.patch deleted file mode 100644 index 76105b39fc..0000000000 --- a/target/linux/mvebu/patches-3.10/0080-of-provide-a-binding-for-the-fixed-link-property.patch +++ /dev/null @@ -1,132 +0,0 @@ -From 5378928ebac13756fc13d0b2de8dd45ace8026aa Mon Sep 17 00:00:00 2001 -From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> -Date: Mon, 15 Jul 2013 17:34:08 +0200 -Subject: [PATCH 080/203] of: provide a binding for the 'fixed-link' property - -Some Ethernet MACs have a "fixed link", and are not connected to a -normal MDIO-managed PHY device. For those situations, a Device Tree -binding allows to describe a "fixed link", as a "fixed-link" property -of the Ethernet device Device Tree node. - -This patch adds: - - * A documentation for the Device Tree property "fixed-link". - - * A of_phy_register_fixed_link() OF helper, which provided an OF node - that contains a "fixed-link" property, registers the corresponding - fixed PHY. - - * Removes the warning on the of_phy_connect_fixed_link() that says - new drivers should not use it, since Grant Likely indicated that - this "fixed-link" property is indeed the way to go. - -Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> ---- - .../devicetree/bindings/net/fixed-link.txt | 26 ++++++++++++++++ - drivers/of/of_mdio.c | 36 +++++++++++++++++++--- - include/linux/of_mdio.h | 10 ++++++ - 3 files changed, 68 insertions(+), 4 deletions(-) - create mode 100644 Documentation/devicetree/bindings/net/fixed-link.txt - ---- /dev/null -+++ b/Documentation/devicetree/bindings/net/fixed-link.txt -@@ -0,0 +1,26 @@ -+Fixed link Device Tree binding -+------------------------------ -+ -+Some Ethernet MACs have a "fixed link", and are not connected to a -+normal MDIO-managed PHY device. For those situations, a Device Tree -+binding allows to describe a "fixed link". -+ -+Such a fixed link situation is described within an Ethernet device -+Device Tree node using a 'fixed-link' property, composed of 5 -+elements: -+ -+ 1. A fake PHY ID, which must be unique accross all fixed-link PHYs in -+ the system. -+ 2. The duplex (1 for full-duplex, 0 for half-duplex) -+ 3. The speed (10, 100, 1000) -+ 4. The pause setting (1 for enabled, 0 for disabled) -+ 5. The asym pause setting (1 for enabled, 0 for disabled) -+ -+Example: -+ -+ethernet@0 { -+ ... -+ fixed-link = <1 1 1000 0 0>; -+ ... -+}; -+ ---- a/drivers/of/of_mdio.c -+++ b/drivers/of/of_mdio.c -@@ -14,6 +14,7 @@ - #include <linux/netdevice.h> - #include <linux/err.h> - #include <linux/phy.h> -+#include <linux/phy_fixed.h> - #include <linux/of.h> - #include <linux/of_irq.h> - #include <linux/of_mdio.h> -@@ -215,10 +216,6 @@ EXPORT_SYMBOL(of_phy_connect); - * @dev: pointer to net_device claiming the phy - * @hndlr: Link state callback for the network device - * @iface: PHY data interface type -- * -- * This function is a temporary stop-gap and will be removed soon. It is -- * only to support the fs_enet, ucc_geth and gianfar Ethernet drivers. Do -- * not call this function from new drivers. - */ - struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, - void (*hndlr)(struct net_device *), -@@ -247,3 +244,34 @@ struct phy_device *of_phy_connect_fixed_ - return IS_ERR(phy) ? NULL : phy; - } - EXPORT_SYMBOL(of_phy_connect_fixed_link); -+ -+#if defined(CONFIG_FIXED_PHY) -+/** -+ * of_phy_register_fixed_link - Parse fixed-link property and register a dummy phy -+ * @np: pointer to the OF device node that contains the "fixed-link" -+ * property for which a dummy phy should be registered. -+ */ -+#define FIXED_LINK_PROPERTIES_COUNT 5 -+int of_phy_register_fixed_link(struct device_node *np) -+{ -+ struct fixed_phy_status status = {}; -+ u32 fixed_link_props[FIXED_LINK_PROPERTIES_COUNT]; -+ int ret; -+ -+ ret = of_property_read_u32_array(np, "fixed-link", -+ fixed_link_props, -+ FIXED_LINK_PROPERTIES_COUNT); -+ if (ret < 0) -+ return ret; -+ -+ status.link = 1; -+ status.duplex = fixed_link_props[1]; -+ status.speed = fixed_link_props[2]; -+ status.pause = fixed_link_props[3]; -+ status.asym_pause = fixed_link_props[4]; -+ -+ return fixed_phy_add(PHY_POLL, fixed_link_props[0], -+ &status); -+} -+EXPORT_SYMBOL(of_phy_register_fixed_link); -+#endif ---- a/include/linux/of_mdio.h -+++ b/include/linux/of_mdio.h -@@ -57,4 +57,14 @@ static inline struct mii_bus *of_mdio_fi - } - #endif /* CONFIG_OF */ - -+#if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY) -+extern int of_phy_register_fixed_link(struct device_node *np); -+#else -+static inline int of_phy_register_fixed_link(struct device_node *np) -+{ -+ return -ENOSYS; -+} -+#endif -+ -+ - #endif /* __LINUX_OF_MDIO_H */ |