From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CA2C5C87FCB for ; Wed, 6 Aug 2025 01:20:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date:Subject:Cc: To:From:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=V4RaJ1Se4NL5O3wmyRABO7eqwflr25ayetGnQRjwR4g=; b=YaGlLTNg5ts/yVeQop1jiGZA/B wzcAJw8mLcVO9rjex1UGXXutOlkm4yAtLtncJY8L1JeF6SkUMUEppUKQmvhzwqogCDWitkD7xbUFT lLWSvNMntQy1YUhskFa7xf09MZrRPhQyhTCrKuUKBZiKnLHuKwcBQXnCRipXlpol5vy9aMgyl8PYJ FSjOgnAfla1j9RXcKdDLlPoQhVrx8xGxzntTMoUJ2RLHInBoQ/DIkUS2/FOCQHjZpqiByZM6yFMx8 6E2k+laLmv+RwTE/9mqItKQcp4wTEbH9Z9iPauiM2SQR0rmA7dgne6qwRM4yYyxLv/DJPoob3kNiw CI4TxA5w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujSpm-0000000E76A-0Nx5; Wed, 06 Aug 2025 01:20:50 +0000 Received: from smtpbgsg1.qq.com ([54.254.200.92]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujSlR-0000000E6rF-2yTS; Wed, 06 Aug 2025 01:16:24 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=airkyi.com; s=altu2504; t=1754442854; bh=V4RaJ1Se4NL5O3wmyRABO7eqwflr25ayetGnQRjwR4g=; h=From:To:Subject:Date:Message-Id; b=o5fiE/kNI/4Vbu9qZpLNcQwlWJowLTPGXAzxIrroiBfXKXloPKFBQWX1lsOernMKH S7k9/vh7o0yLTAsomYeisNnIfuPJqavuddAG8GAgDBhf5LXHKnSOOvSKQvXyTaXCsL 9zNv238qq+eVXfFG5XGDZVL0TcJnhhnX7m1RfcwA= X-QQ-mid: zesmtpsz5t1754442851tccb2169c X-QQ-Originating-IP: Upns4K98WQPZ+nhbkTV8Mu3PYlo3Q5rJ1jS/uYj8JwI= Received: from DESKTOP-8BT1A2O.localdomain ( [58.22.7.114]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 06 Aug 2025 09:14:09 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 794500594761782103 From: Chaoyi Chen To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , "Russell King (Oracle)" , Jonas Karlman , David Wu Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Chaoyi Chen Subject: [PATCH] net: ethernet: stmmac: dwmac-rk: Make the clk_phy could be used for external phy Date: Wed, 6 Aug 2025 09:14:05 +0800 Message-Id: <20250806011405.115-1-kernel@airkyi.com> X-Mailer: git-send-email 2.17.1 X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:airkyi.com:qybglogicsvrsz:qybglogicsvrsz4a-0 X-QQ-XMAILINFO: OalYlZRf2lKLbvUQzIElBh7e0Qf9ptyo1P2YBJ0LvvbE5hPGvppCh5tO NpIqSF6g7hR8mMyjCmW8nyqFrL8xtR5UAQBPhZIv/bWN6JI9B7eN0HMDW6Vhw2UCb/mYlrf 1VFZLeImPo3FjpOqDRMk2U23BaToQXJ4as+K3uwamjp1U80sLSQ3SQPYHjdBRj+yha3BMs7 aNWHI+Xp37QpKuJoajjm24n3BbNnpJkbQDgPNpW5xo6f+eUHJfHKFECS3AbvpxDfrkGyn7I f22ffrf95Mzs4/+HMacToqMK6iENbn5z3OSWjqgLhvV/IT1I8JJdG9stOEsj/yKdIZgIEMQ MbNL/PkadDFbDeFDeXMojYjqKrRDZwlNO1pAi5qL3iMwA5HyRJ28fWXZUs4dFnZj47y45Z+ MAojS1gro2dJecYnT2hwif+SVKzkbvGnBnTvsbliU71b0Ho44Opntj9wQ8zZ1ZBj0MekSgE kuef+Jc7KJwjogkjXXPKeynEf2lj6RvaeAycPtZw3YB2grrfkvq0tskF3mDJDM/h5MI63fj fksoC2bzF8MWSlT+Fs6/NPCI+gdAsOH9InBGSea5+CVV3B0enEA08GIkNzwc7+68OowCR0t 1EyYUx8QrjCeLM2/o0URE17gasHjBGKCXWaDImzzec9Fq2ct4CV47wnBAR5RHq6ugOA8YNg SkyJicTU0vkpZ1xwEtKQBb9py9bKopt52rr2MpFAn5YSmI4LsmY8SYXuIFd2OPQS4k6ppTK UBFcZ8ccBamLRUhHz+I0a5jqHtI+VKEf8Si26VUelbpPBgd2w2qBNYAK6+n8OW1eq4c14qo idsZHYLkIqc0VN5/Rq0fEkUB8Nhq3d2KW4qWBO8wnGUzmp8wAY7HAw5g6W2xdkty6cznpgR FsVV+5gHLxxCz+IP770ZdIsFqeblvwDRjmvIdy4SjeNj4twuqPq9xTmCKQfT4xJkOczEyhu BO/LNRCN+hBZMXzBE8AsY8fKjts4Fu1wgX0E= X-QQ-XMRINFO: Mp0Kj//9VHAxr69bL5MkOOs= X-QQ-RECHKSPAM: 0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250805_181622_123712_D6D004A4 X-CRM114-Status: GOOD ( 13.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Chaoyi Chen For external phy, clk_phy should be optional, and some external phy need the clock input from clk_phy. This patch adds support for setting clk_phy for external phy. Signed-off-by: David Wu Signed-off-by: Chaoyi Chen --- drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 700858ff6f7c..703b4b24f3bc 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -1558,6 +1558,7 @@ static int rk_gmac_clk_init(struct plat_stmmacenet_data *plat) struct device *dev = &bsp_priv->pdev->dev; int phy_iface = bsp_priv->phy_iface; int i, j, ret; + unsigned int rate; bsp_priv->clk_enabled = false; @@ -1595,12 +1596,19 @@ static int rk_gmac_clk_init(struct plat_stmmacenet_data *plat) clk_set_rate(bsp_priv->clk_mac, 50000000); } - if (plat->phy_node && bsp_priv->integrated_phy) { + if (plat->phy_node) { bsp_priv->clk_phy = of_clk_get(plat->phy_node, 0); ret = PTR_ERR_OR_ZERO(bsp_priv->clk_phy); - if (ret) - return dev_err_probe(dev, ret, "Cannot get PHY clock\n"); - clk_set_rate(bsp_priv->clk_phy, 50000000); + /* If it is not integrated_phy, clk_phy is optional */ + if (bsp_priv->integrated_phy) { + if (ret) + return dev_err_probe(dev, ret, "Cannot get PHY clock\n"); + + ret = of_property_read_u32(plat->phy_node, "clock-frequency", &rate); + if (ret) + rate = 0; + clk_set_rate(bsp_priv->clk_phy, rate ? rate : 50000000); + } } return 0; -- 2.49.0