From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp33.i.mail.ru ([94.100.177.93]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bJD2O-0004x5-9r for barebox@lists.infradead.org; Sat, 02 Jul 2016 05:00:18 +0000 From: Alexander Shiyan Date: Sat, 2 Jul 2016 07:59:47 +0300 Message-Id: <1467435587-20533-1-git-send-email-shc_work@mail.ru> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v2] net: smc911x: Add parsing devicetree options To: barebox@lists.infradead.org This patch adds parsing basic devicetree options for the smc911x driver: reg-io-width, reg-shift and smsc,force-(in/ex)ternal-phy, which makes driver usable for most DTS-based boards. Signed-off-by: Alexander Shiyan --- drivers/net/smc911x.c | 17 +++++++++++++++-- include/platform_data/eth-smc911x.h | 2 +- 2 files changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index fe9d1df..45175bb 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -38,7 +38,7 @@ struct smc911x_priv { struct mii_bus miibus; void __iomem *base; - int shift; + u32 shift; int generation; unsigned int flags; unsigned int idrev; @@ -516,6 +516,19 @@ static int smc911x_probe(struct device_d *dev) priv->shift = pdata->shift; priv->flags = pdata->flags; priv->phy_mask = pdata->phy_mask; + } else if (IS_ENABLED(CONFIG_OFDEVICE) && dev->device_node) { + ret = of_property_read_u32(dev->device_node, "reg-io-width", &val); + if (ret) + return ret; + is_32bit = (val == 4); + + of_property_read_u32(dev->device_node, "reg-shift", &priv->shift); + + if (of_property_read_bool(dev->device_node, "smsc,force-internal-phy")) + priv->flags |= SMC911X_FORCE_INTERNAL_PHY; + + if (of_property_read_bool(dev->device_node, "smsc,force-external-phy")) + priv->flags |= SMC911X_FORCE_EXTERNAL_PHY; } if (is_32bit) { @@ -562,7 +575,7 @@ static int smc911x_probe(struct device_d *dev) if (val != 0x87654321) { dev_err(dev, "no smc911x found on 0x%p (byte_test=0x%08x)\n", priv->base, val); - if (((val >> 16) & 0xFFFF) == (val & 0xFFFF)) { + if ((((val >> 16) & 0xFFFF) == (val & 0xFFFF)) && is_32bit) { /* * This may mean the chip is set * for 32 bit while the bus is reading 16 bit diff --git a/include/platform_data/eth-smc911x.h b/include/platform_data/eth-smc911x.h index 4a802ee..c97a296 100644 --- a/include/platform_data/eth-smc911x.h +++ b/include/platform_data/eth-smc911x.h @@ -12,7 +12,7 @@ * Pass pointer to this structure as part of device_d -> platform_data */ struct smc911x_plat { - int shift; + u32 shift; unsigned int flags; unsigned int phy_mask; /* external PHY only: mask out PHYs, e.g. ~(1 << 5) to use PHY addr 5 */ -- 2.4.9 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox