From f3dd213e151ece2a382e730f5e75156536b2419d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Beh=C3=BAn?= Date: Thu, 7 Apr 2022 00:32:57 +0200 Subject: net: introduce helpers to get PHY ofnode from MAC MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add helpers ofnode_get_phy_node() and dev_get_phy_node() and use it in net/mdio-uclass.c function dm_eth_connect_phy_handle(). Also add corresponding UT test. This is useful because other part's of U-Boot may want to get PHY ofnode without connecting a PHY. Signed-off-by: Marek BehĂșn Reviewed-by: Ramon Fried Reviewed-by: Simon Glass --- drivers/core/ofnode.c | 21 +++++++++++++++++++++ drivers/core/read.c | 5 +++++ 2 files changed, 26 insertions(+) (limited to 'drivers/core') diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index 8042847..445b7ad 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -1198,3 +1198,24 @@ const char *ofnode_conf_read_str(const char *prop_name) return ofnode_read_string(node, prop_name); } + +ofnode ofnode_get_phy_node(ofnode node) +{ + /* DT node properties that reference a PHY node */ + static const char * const phy_handle_str[] = { + "phy-handle", "phy", "phy-device", + }; + struct ofnode_phandle_args args = { + .node = ofnode_null() + }; + int i; + + assert(ofnode_valid(node)); + + for (i = 0; i < ARRAY_SIZE(phy_handle_str); i++) + if (!ofnode_parse_phandle_with_args(node, phy_handle_str[i], + NULL, 0, 0, &args)) + break; + + return args.node; +} diff --git a/drivers/core/read.c b/drivers/core/read.c index 31f9e78..7ff1002 100644 --- a/drivers/core/read.c +++ b/drivers/core/read.c @@ -398,3 +398,8 @@ int dev_decode_display_timing(const struct udevice *dev, int index, { return ofnode_decode_display_timing(dev_ofnode(dev), index, config); } + +ofnode dev_get_phy_node(const struct udevice *dev) +{ + return ofnode_get_phy_node(dev_ofnode(dev)); +} -- cgit v1.1