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Mon, 12 Oct 2020 05:57:21 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com, marex@denx.de, lukma@denx.de Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan Subject: [PATCH 3/8] phy: nop-phy: add optional clk Date: Mon, 12 Oct 2020 14:23:49 +0800 Message-Id: <20201012062354.3743-4-peng.fan@nxp.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201012062354.3743-1-peng.fan@nxp.com> References: <20201012062354.3743-1-peng.fan@nxp.com> X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: SG2PR01CA0105.apcprd01.prod.exchangelabs.com (2603:1096:3:15::31) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from linux-1xn6.ap.freescale.net (119.31.174.71) by SG2PR01CA0105.apcprd01.prod.exchangelabs.com (2603:1096:3:15::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3455.22 via Frontend Transport; Mon, 12 Oct 2020 05:57:19 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: e5b6576e-af0a-4ca5-d469-08d86e73af6a X-MS-TrafficTypeDiagnostic: DB7PR04MB4235: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:212; 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+}; + +static int nop_phy_init(struct phy *phy) +{ + struct nop_phy_priv *priv = dev_get_priv(phy->dev); + + if (!clk_valid(&priv->nop_clk)) + return 0; + + return clk_enable(&priv->nop_clk); +} + +static int nop_phy_probe(struct udevice *dev) +{ + struct nop_phy_priv *priv = dev_get_priv(dev); + int ret; + + if (CONFIG_IS_ENABLED(CLK)) { + ret = clk_get_by_name(dev, "main_clk", &priv->nop_clk); + if (ret < 0 && ret != -ENODATA) { + dev_err(dev, "Failed to get main_clk: %d\n", ret); + return ret; + } + } + + return 0; +} + static const struct udevice_id nop_phy_ids[] = { { .compatible = "nop-phy" }, { } }; static struct phy_ops nop_phy_ops = { + .init = nop_phy_init, }; U_BOOT_DRIVER(nop_phy) = { @@ -22,4 +54,6 @@ U_BOOT_DRIVER(nop_phy) = { .id = UCLASS_PHY, .of_match = nop_phy_ids, .ops = &nop_phy_ops, + .probe = nop_phy_probe, + .priv_auto_alloc_size = sizeof(struct nop_phy_priv), };