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GET /api/patches/765980/?format=api
{ "id": 765980, "url": "http://patchwork.ozlabs.org/api/patches/765980/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/1495546425-753-1-git-send-email-jteki@openedev.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1495546425-753-1-git-send-email-jteki@openedev.com>", "list_archive_url": null, "date": "2017-05-23T13:33:45", "name": "[U-Boot,v8,14/17] net: fec_mxc: Add fec_phy_reset support", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "4ac9dfe47240aef0f52878700c56861b3b5eac91", "submitter": { "id": 20045, "url": "http://patchwork.ozlabs.org/api/people/20045/?format=api", "name": "Jagan Teki", "email": "jagannadh.teki@gmail.com" }, "delegate": { "id": 1693, "url": "http://patchwork.ozlabs.org/api/users/1693/?format=api", "username": "sbabic", "first_name": "Stefano", "last_name": "Babic", "email": "sbabic@denx.de" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/1495546425-753-1-git-send-email-jteki@openedev.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/765980/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/765980/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Received": [ "from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3wXGjf56Tlz9sPJ\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 23 May 2017 23:35:01 +1000 (AEST)", "by lists.denx.de (Postfix, from userid 105)\n\tid 6508EC21CC8; Tue, 23 May 2017 13:34:57 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header.i=@gmail.com\n\theader.b=\"iwvaG9he\"; dkim-atps=neutral", "X-Spam-Checker-Version": "SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=0.0 required=5.0 tests=FREEMAIL_FROM,\n\tRCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,\n\tT_DKIM_INVALID autolearn=unavailable\n\tautolearn_force=no version=3.4.0", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025;\n\th=from:to:cc:subject:date:message-id;\n\tbh=jvW/cPrpY/fOq3fEtv9IAxEwITudZR1YGtYOxrtc5Gw=;\n\tb=iwvaG9heyVVQie3IoA63whzqclxA6XWfg3uKDrmhoixx2T2lnWWORF/z7J11yXKde4\n\teI8DDHrYn1UuOew8egeSgXvwTn1EmbhYxHJ6A56+mg6IJDiVRXvKtbW/PEupug2oNzB+\n\tenOh5n2+PHDdHpChznrwmihXAM1waYq10jAK/Eu1jWT3f7jMh/vWxatOGFFR3+9tuk0t\n\tIocGqii8HBfW0jGXTGTwVuArv10b4x7ObmvNsvbAHo0RyM+Y2ITAWFpt94boMFJ0hVf/\n\tvfi3+3UvGkzBVGN9eZ98YaYOfN7jYE+//OrqgaLdmcyyYfpKqpCMMOIWYI4EnkjhQRWN\n\t2P+w==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; 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"git-send-email 2.7.4", "Cc": "Fabio Estevam <fabio.estevam@nxp.com>, u-boot@lists.denx.de,\n\tJagan Teki <jagan@openedev.com>, Joe Hershberger <joe.hershberger@ni.com>", "Subject": "[U-Boot] [PATCH v8 14/17] net: fec_mxc: Add fec_phy_reset support", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.18", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<http://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>" }, "content": "From: Jagan Teki <jagan@openedev.com>\n\nphy-reset-gpios and phy-reset-duration properties are\nneeded for adding mii_dev reset bus operation,\nso the board code not take care of phy_reset anymore\nif it use DM_ETH.\n\nCc: Joe Hershberger <joe.hershberger@ni.com>\nCc: Fabio Estevam <fabio.estevam@nxp.com>\nSigned-off-by: Jagan Teki <jagan@openedev.com>\n---\nChanges for v8:\n- Add 'phy-reset-duration' property support\n\n drivers/net/fec_mxc.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++-----\n drivers/net/fec_mxc.h | 9 ++++++\n include/netdev.h | 5 ++++\n 3 files changed, 89 insertions(+), 8 deletions(-)", "diff": "diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c\nindex 08bea8b..17fe27f 100644\n--- a/drivers/net/fec_mxc.c\n+++ b/drivers/net/fec_mxc.c\n@@ -180,13 +180,27 @@ static int fec_mdio_write(struct ethernet_regs *eth, uint8_t phyaddr,\n static int fec_phy_read(struct mii_dev *bus, int phyaddr, int dev_addr,\n \t\t\tint regaddr)\n {\n-\treturn fec_mdio_read(bus->priv, phyaddr, regaddr);\n+#ifdef CONFIG_DM_ETH\n+\tstruct fec_priv *priv = dev_get_priv((struct udevice *)bus->priv);\n+\tstruct ethernet_regs *eth = priv->eth;\n+#else\n+\tstruct ethernet_regs *eth = bus->priv;\n+#endif\n+\n+\treturn fec_mdio_read(eth, phyaddr, regaddr);\n }\n \n static int fec_phy_write(struct mii_dev *bus, int phyaddr, int dev_addr,\n \t\t\t int regaddr, u16 data)\n {\n-\treturn fec_mdio_write(bus->priv, phyaddr, regaddr, data);\n+#ifdef CONFIG_DM_ETH\n+\tstruct fec_priv *priv = dev_get_priv((struct udevice *)bus->priv);\n+\tstruct ethernet_regs *eth = priv->eth;\n+#else\n+\tstruct ethernet_regs *eth = bus->priv;\n+#endif\n+\n+\treturn fec_mdio_write(eth, phyaddr, regaddr, data);\n }\n \n #ifndef CONFIG_PHYLIB\n@@ -985,9 +999,44 @@ static void fec_free_descs(struct fec_priv *fec)\n \tfree(fec->tbd_base);\n }\n \n+#if defined(CONFIG_DM_ETH) && defined(CONFIG_DM_GPIO)\n+static int fec_phy_reset(struct mii_dev *bus)\n+{\n+\tstruct fec_priv *priv = dev_get_priv((struct udevice *)bus->priv);\n+\tint ret;\n+\n+\tif (!dm_gpio_is_valid(&priv->reset_gpio))\n+\t\treturn 0;\n+\n+\t/* phy reset */\n+\tret = dm_gpio_set_value(&priv->reset_gpio, 0);\n+\tif (ret)\n+\t\treturn ret;\n+\n+\tmdelay(priv->reset_duration);\n+\n+\tret = dm_gpio_set_value(&priv->reset_gpio, 1);\n+\tif (ret)\n+\t\treturn ret;\n+\n+\tmdelay(priv->reset_duration);\n+\n+\treturn 0;\n+}\n+#endif\n+\n+#ifdef CONFIG_DM_ETH\n+struct mii_dev *fec_get_miibus(struct udevice *dev, int dev_id)\n+#else\n struct mii_dev *fec_get_miibus(uint32_t base_addr, int dev_id)\n+#endif\n {\n+#ifdef CONFIG_DM_ETH\n+\tstruct fec_priv *priv = dev_get_priv(dev);\n+\tstruct ethernet_regs *eth = priv->eth;\n+#else\n \tstruct ethernet_regs *eth = (struct ethernet_regs *)base_addr;\n+#endif\n \tstruct mii_dev *bus;\n \tint ret;\n \n@@ -998,7 +1047,14 @@ struct mii_dev *fec_get_miibus(uint32_t base_addr, int dev_id)\n \t}\n \tbus->read = fec_phy_read;\n \tbus->write = fec_phy_write;\n+#ifdef CONFIG_DM_ETH\n+\tbus->priv = dev;\n+# ifdef CONFIG_DM_GPIO\n+\tbus->reset = fec_phy_reset;\n+# endif\n+#else\n \tbus->priv = eth;\n+#endif\n \tfec_set_dev_name(bus->name, dev_id);\n \n \tret = mdio_register(bus);\n@@ -1223,7 +1279,7 @@ static int fecmxc_probe(struct udevice *dev)\n \tif (ret)\n \t\treturn ret;\n \n-\tbus = fec_get_miibus((uint32_t)priv->eth, dev_id);\n+\tbus = fec_get_miibus(dev, dev_id);\n \tif (!bus)\n \t\tgoto err_mii;\n \n@@ -1278,6 +1334,7 @@ static int fecmxc_ofdata_to_platdata(struct udevice *dev)\n \tstruct eth_pdata *pdata = dev_get_platdata(dev);\n \tstruct fec_priv *priv = dev_get_priv(dev);\n \tconst char *phy_mode;\n+\tint ret = 0;\n \n \tpdata->iobase = (phys_addr_t)dev_get_addr(dev);\n \tpriv->eth = (struct ethernet_regs *)pdata->iobase;\n@@ -1292,12 +1349,22 @@ static int fecmxc_ofdata_to_platdata(struct udevice *dev)\n \t\treturn -EINVAL;\n \t}\n \n-\t/* TODO\n-\t * Need to get the reset-gpio and related properties from DT\n-\t * and implemet the enet reset code on .probe call\n-\t */\n+#ifdef CONFIG_DM_GPIO\n+\t/* phy reset gpio */\n+\tret = gpio_request_by_name(dev, \"phy-reset-gpios\", 0,\n+\t\t\t\t &priv->reset_gpio, GPIOD_IS_OUT);\n+\tif (ret == 0) {\n+\t\tpriv->reset_duration = fdtdec_get_int(gd->fdt_blob,\n+\t\t\t\t\t\t dev_of_offset(dev),\n+\t\t\t\t\t\t \"phy-reset-duration\", 1);\n+\t\t/* A sane reset duration should not be longer than 1s */\n+\t\tif (priv->reset_duration > 1000)\n+\t\t\tpriv->reset_duration = 1;\n+\t\tret = 0;\n+\t}\n+#endif\n \n-\treturn 0;\n+\treturn ret;\n }\n \n static const struct udevice_id fecmxc_ids[] = {\ndiff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h\nindex 43a7d7b..fd51d6d 100644\n--- a/drivers/net/fec_mxc.h\n+++ b/drivers/net/fec_mxc.h\n@@ -17,6 +17,10 @@\n #ifndef __FEC_MXC_H\n #define __FEC_MXC_H\n \n+#ifdef CONFIG_DM_GPIO\n+# include <asm-generic/gpio.h>\n+#endif\n+\n /* Layout description of the FEC */\n struct ethernet_regs {\n \t/* [10:2]addr = 00 */\n@@ -254,6 +258,11 @@ struct fec_priv {\n \n #ifdef CONFIG_DM_ETH\n \tu32 interface;\n+\n+# ifdef CONFIG_DM_GPIO\n+\tstruct gpio_desc reset_gpio;\n+\tu32 reset_duration;\n+# endif\n #endif\n };\n \ndiff --git a/include/netdev.h b/include/netdev.h\nindex 8eb8b46..e5668f4 100644\n--- a/include/netdev.h\n+++ b/include/netdev.h\n@@ -133,7 +133,12 @@ static inline int pci_eth_init(bd_t *bis)\n \treturn num;\n }\n \n+#ifdef CONFIG_DM_ETH\n+struct mii_dev *fec_get_miibus(struct udevice *dev, int dev_id);\n+#else\n struct mii_dev *fec_get_miibus(uint32_t base_addr, int dev_id);\n+#endif\n+\n #ifdef CONFIG_PHYLIB\n struct phy_device;\n int fec_probe(bd_t *bd, int dev_id, uint32_t base_addr,\n", "prefixes": [ "U-Boot", "v8", "14/17" ] }