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bh=Nh+HtFz7n36Mqo7zQEs1pvEf8ffvjJ0q7KiT1JOZiqA=; b=jtPCdNh9bWaIUCyQtb89RDrsGUw59W/HsXMXaBDMxS/KRSrdGiaVycvOH/V2IH0Yd4 IFXkZ/LMPvFN4T4IF8T6v57xjI7Q0s+MTADlKHIJ/ZuDqyeVzcLmqe6cA5IaRI3l55U5 TQh/657QAUcJhHkDr+b2+wbn81uhjqdMS2gFWuz9+4rQbIJ7HibrN2dtyB1C5TSxcrG+ /A19l8bDKxNndi7+SOjEJawSVRLin7xpAXqyeK7RGbWZ+fRTuI3Hw27rk3qB1QQJ2uAs mFrcOWaqWTc0+rImFs9i6L7ljcrZaWnXWpubOAAgxAKOLPyZkzuV2fOoVEk+GZbTKP/P X6bg== X-Gm-Message-State: AOAM531iElendb78bB/IQN0TnEq4mMJfDTgnlliEDoO8cCO9ZfM6PvBH 7YXeMWb5KvyQ0zIgI97NWtOC6Avq7xIBfw== X-Google-Smtp-Source: ABdhPJyLCJ5zNDV6CQMFFSsT3usNGJ/dRUP+7AOU1kY4vXmtuKyrfPTl7CTan6pRHQZzwKDuajyBmQ== X-Received: by 2002:a05:6402:190c:: with SMTP id e12mr55643894edz.396.1638798805039; Mon, 06 Dec 2021 05:53:25 -0800 (PST) Received: from localhost ([2a02:768:2307:40d6::45a]) by smtp.gmail.com with ESMTPSA id e26sm8162198edr.82.2021.12.06.05.53.24 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 06 Dec 2021 05:53:24 -0800 (PST) From: Michal Simek To: u-boot@lists.denx.de, git@xilinx.com Cc: Joe Hershberger , Michal Simek , Ramon Fried Subject: [PATCH v2] net: zynq: Add support for mdio bus address decoding Date: Mon, 6 Dec 2021 14:53:17 +0100 Message-Id: <6748007f0b6db9554d7a4b52352dce23ca403f9d.1638798796.git.michal.simek@xilinx.com> X-Mailer: git-send-email 2.33.1 MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.38 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Xilinx DTS files are using two way how to describe ethernet phy. The first (already supported) has phy as subnode of gem node. eth { phy-handle = <&phy0>; phy0: ethernet-phy@21 { ... }; }; The second has mdio subnode (with mdio name) which has phy subnode. This structure allow hadling MDIO reset signal (based on Linux mdio.yaml) eth { phy-handle = <&phy0>; mdio { phy0: ethernet-phy@21 { ... }; }; }; This patch adds support for the second case where mdio subnode is found driver will look at its parent to find out which gem is handling MDIO bus. Signed-off-by: Michal Simek --- Changes in v2: - update commit message drivers/net/zynq_gem.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index 3e227725022d..fece077066df 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -846,6 +846,9 @@ static int zynq_gem_of_to_plat(struct udevice *dev) SPEED_1000); parent = ofnode_get_parent(phandle_args.node); + if (ofnode_name_eq(parent, "mdio")) + parent = ofnode_get_parent(parent); + addr = ofnode_get_addr(parent); if (addr != FDT_ADDR_T_NONE) { debug("MDIO bus not found %s\n", dev->name);