From patchwork Tue Dec 12 08:20:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nikita Shubin via B4 Relay X-Patchwork-Id: 13488687 X-Patchwork-Delegate: kuba@kernel.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9FBEF1A701 for ; Tue, 12 Dec 2023 08:22:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ps8z7mnL" Received: by smtp.kernel.org (Postfix) with ESMTPS id 77808C116B7; Tue, 12 Dec 2023 08:22:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702369325; bh=IwsnoVL40Seia7ieHtkXTazSUMg+LsPrLcHHO9wOjQw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=ps8z7mnLpEBRoic0qSoIfToCi+lbRGYI7B+uoU/W7xCGiefaGr57qDnZKSS+hOdMW 5LT22A+7zIQ5TI3wPwE/R4CoSc/pWfi/P6O4rYPrrtAdWtq3kx0FOvqQQjxDGqMHrd PpqcbKhdC1ZLXJFlBY8z08kX7pAs4kspyYaxaeYRXrpsIqoCBKt6hEnaPYgorpCJ56 bu+kPU3aWUm2ws8wZyzCiP4lhQ5bdd2XWrSQjzGqoed14zj+DaJEhpgncwAC9cAGcS VOBCf9BW0rY9mZnQox8gUzxe1YsRzqo5xDc+SX5jGjESH0lM9xX+PrRgcd8Urazlad mOR25NNJn5Bvg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 681ACC38147; Tue, 12 Dec 2023 08:22:05 +0000 (UTC) From: Nikita Shubin via B4 Relay Date: Tue, 12 Dec 2023 11:20:35 +0300 Subject: [PATCH v6 18/40] net: cirrus: add DT support for Cirrus EP93xx Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231212-ep93xx-v6-18-c307b8ac9aa8@maquefel.me> References: <20231212-ep93xx-v6-0-c307b8ac9aa8@maquefel.me> In-Reply-To: <20231212-ep93xx-v6-0-c307b8ac9aa8@maquefel.me> To: Hartley Sweeten , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Andrew Lunn X-Mailer: b4 0.13-dev-e3e53 X-Developer-Signature: v=1; a=ed25519-sha256; t=1702369322; l=4277; i=nikita.shubin@maquefel.me; s=20230718; h=from:subject:message-id; bh=x6ZnXV1oThsVaPrWIGHega7PwzPAvDvTbcixlLvrbzs=; =?utf-8?q?b=3DzmFd2T4UP8n4?= =?utf-8?q?wX8D40VP5AWhCK7kW3nnaHvsXJ+LZHrR8IUF6fjftS6B+IBI1Whr5WuQyHU+Uc/l?= 42+01KqPDUUPyLsO3YtQOwI/1KAwZjpWgwGCsfihv63FiMa/oJWl X-Developer-Key: i=nikita.shubin@maquefel.me; a=ed25519; pk=vqf5YIUJ7BJv3EJFaNNxWZgGuMgDH6rwufTLflwU9ac= X-Endpoint-Received: by B4 Relay for nikita.shubin@maquefel.me/20230718 with auth_id=65 X-Original-From: Nikita Shubin Reply-To: X-Patchwork-Delegate: kuba@kernel.org From: Nikita Shubin - add OF ID match table - get phy_id from the device tree, as part of mdio - copy_addr is now always used, as there is no SoC/board that aren't - dropped platform header Reviewed-by: Andrew Lunn Tested-by: Alexander Sverdlin Reviewed-by: Linus Walleij Signed-off-by: Nikita Shubin --- drivers/net/ethernet/cirrus/ep93xx_eth.c | 63 ++++++++++++++++---------------- 1 file changed, 32 insertions(+), 31 deletions(-) diff --git a/drivers/net/ethernet/cirrus/ep93xx_eth.c b/drivers/net/ethernet/cirrus/ep93xx_eth.c index 1c2a540db13d..be0b11014af7 100644 --- a/drivers/net/ethernet/cirrus/ep93xx_eth.c +++ b/drivers/net/ethernet/cirrus/ep93xx_eth.c @@ -16,13 +16,12 @@ #include #include #include +#include #include #include #include #include -#include - #define DRV_MODULE_NAME "ep93xx-eth" #define RX_QUEUE_ENTRIES 64 @@ -738,25 +737,6 @@ static const struct net_device_ops ep93xx_netdev_ops = { .ndo_set_mac_address = eth_mac_addr, }; -static struct net_device *ep93xx_dev_alloc(struct ep93xx_eth_data *data) -{ - struct net_device *dev; - - dev = alloc_etherdev(sizeof(struct ep93xx_priv)); - if (dev == NULL) - return NULL; - - eth_hw_addr_set(dev, data->dev_addr); - - dev->ethtool_ops = &ep93xx_ethtool_ops; - dev->netdev_ops = &ep93xx_netdev_ops; - - dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM; - - return dev; -} - - static void ep93xx_eth_remove(struct platform_device *pdev) { struct net_device *dev; @@ -786,27 +766,47 @@ static void ep93xx_eth_remove(struct platform_device *pdev) static int ep93xx_eth_probe(struct platform_device *pdev) { - struct ep93xx_eth_data *data; struct net_device *dev; struct ep93xx_priv *ep; struct resource *mem; + void __iomem *base_addr; + struct device_node *np; + u32 phy_id; int irq; int err; if (pdev == NULL) return -ENODEV; - data = dev_get_platdata(&pdev->dev); mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); if (!mem || irq < 0) return -ENXIO; - dev = ep93xx_dev_alloc(data); + base_addr = ioremap(mem->start, resource_size(mem)); + if (!base_addr) + return dev_err_probe(&pdev->dev, -EIO, "Failed to ioremap ethernet registers\n"); + + np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0); + if (!np) + return dev_err_probe(&pdev->dev, -ENODEV, "Please provide \"phy-handle\"\n"); + + err = of_property_read_u32(np, "reg", &phy_id); + of_node_put(np); + if (err) + return dev_err_probe(&pdev->dev, -ENOENT, "Failed to locate \"phy_id\"\n"); + + dev = alloc_etherdev(sizeof(struct ep93xx_priv)); if (dev == NULL) { err = -ENOMEM; goto err_out; } + + eth_hw_addr_set(dev, base_addr + 0x50); + dev->ethtool_ops = &ep93xx_ethtool_ops; + dev->netdev_ops = &ep93xx_netdev_ops; + dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM; + ep = netdev_priv(dev); ep->dev = dev; SET_NETDEV_DEV(dev, &pdev->dev); @@ -822,15 +822,10 @@ static int ep93xx_eth_probe(struct platform_device *pdev) goto err_out; } - ep->base_addr = ioremap(mem->start, resource_size(mem)); - if (ep->base_addr == NULL) { - dev_err(&pdev->dev, "Failed to ioremap ethernet registers\n"); - err = -EIO; - goto err_out; - } + ep->base_addr = base_addr; ep->irq = irq; - ep->mii.phy_id = data->phy_id; + ep->mii.phy_id = phy_id; ep->mii.phy_id_mask = 0x1f; ep->mii.reg_num_mask = 0x1f; ep->mii.dev = dev; @@ -857,12 +852,18 @@ static int ep93xx_eth_probe(struct platform_device *pdev) return err; } +static const struct of_device_id ep93xx_eth_of_ids[] = { + { .compatible = "cirrus,ep9301-eth" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, ep93xx_eth_of_ids); static struct platform_driver ep93xx_eth_driver = { .probe = ep93xx_eth_probe, .remove_new = ep93xx_eth_remove, .driver = { .name = "ep93xx-eth", + .of_match_table = ep93xx_eth_of_ids, }, };