{"id":814366,"url":"http://patchwork.ozlabs.org/api/patches/814366/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20170915191115.28385-1-marek.vasut+renesas@gmail.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/projects/18/?format=json","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":"<20170915191115.28385-1-marek.vasut+renesas@gmail.com>","list_archive_url":null,"date":"2017-09-15T19:11:15","name":"[U-Boot] net: ravb: Add PHY reset GPIO support","commit_ref":"bddb44e94a51d387ff8fc307d21a5f76bd3093e9","pull_url":null,"state":"accepted","archived":false,"hash":"a13126321e706e578a4193d85574017aabf052b6","submitter":{"id":1124,"url":"http://patchwork.ozlabs.org/api/people/1124/?format=json","name":"Marek Vasut","email":"marek.vasut@gmail.com"},"delegate":{"id":1750,"url":"http://patchwork.ozlabs.org/api/users/1750/?format=json","username":"iwamatsu","first_name":"Nobuhiro","last_name":"Iwamatsu","email":"iwamatsu@nigauri.org"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20170915191115.28385-1-marek.vasut+renesas@gmail.com/mbox/","series":[{"id":3360,"url":"http://patchwork.ozlabs.org/api/series/3360/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=3360","date":"2017-09-15T19:11:15","name":"[U-Boot] net: ravb: Add PHY reset GPIO support","version":1,"mbox":"http://patchwork.ozlabs.org/series/3360/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/814366/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/814366/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "},"content":"Add support for obtaining PHY reset GPIO from DT and toggling it\nbefore configuring the PHY to put the PHY into defined state.\n\nSigned-off-by: Marek Vasut \nCc: Nobuhiro Iwamatsu \nCc: Joe Hershberger \n---\n drivers/net/ravb.c | 13 +++++++++++++\n 1 file changed, 13 insertions(+)","diff":"diff --git a/drivers/net/ravb.c b/drivers/net/ravb.c\nindex 8db127ba06..dc7a52534e 100644\n--- a/drivers/net/ravb.c\n+++ b/drivers/net/ravb.c\n@@ -18,6 +18,7 @@\n #include \n #include \n #include \n+#include \n \n /* Registers */\n #define RAVB_REG_CCC\t\t0x000\n@@ -122,6 +123,7 @@ struct ravb_priv {\n \tstruct mii_dev\t\t*bus;\n \tvoid __iomem\t\t*iobase;\n \tstruct clk\t\tclk;\n+\tstruct gpio_desc\treset_gpio;\n };\n \n static inline void ravb_flush_dcache(u32 addr, u32 len)\n@@ -302,6 +304,13 @@ static int ravb_phy_config(struct udevice *dev)\n \tstruct phy_device *phydev;\n \tint mask = 0xffffffff, reg;\n \n+\tif (dm_gpio_is_valid(ð->reset_gpio)) {\n+\t\tdm_gpio_set_value(ð->reset_gpio, 1);\n+\t\tmdelay(20);\n+\t\tdm_gpio_set_value(ð->reset_gpio, 0);\n+\t\tmdelay(1);\n+\t}\n+\n \tphydev = phy_find_by_mask(eth->bus, mask, pdata->phy_interface);\n \tif (!phydev)\n \t\treturn -ENODEV;\n@@ -483,6 +492,9 @@ static int ravb_probe(struct udevice *dev)\n \tif (ret < 0)\n \t\tgoto err_mdio_alloc;\n \n+\tgpio_request_by_name_nodev(dev_ofnode(dev), \"reset-gpios\", 0,\n+\t\t\t\t ð->reset_gpio, GPIOD_IS_OUT);\n+\n \tmdiodev = mdio_alloc();\n \tif (!mdiodev) {\n \t\tret = -ENOMEM;\n@@ -516,6 +528,7 @@ static int ravb_remove(struct udevice *dev)\n \tfree(eth->phydev);\n \tmdio_unregister(eth->bus);\n \tmdio_free(eth->bus);\n+\tdm_gpio_free(dev, ð->reset_gpio);\n \tunmap_physmem(eth->iobase, MAP_NOCACHE);\n \n \treturn 0;\n","prefixes":["U-Boot"]}