From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-lb0-x234.google.com ([2a00:1450:4010:c04::234]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZXWyC-0006jF-LC for barebox@lists.infradead.org; Thu, 03 Sep 2015 16:02:37 +0000 Received: by lbcjc2 with SMTP id jc2so27066262lbc.0 for ; Thu, 03 Sep 2015 09:02:14 -0700 (PDT) From: Peter Mamonov Date: Thu, 3 Sep 2015 19:04:18 +0300 Message-Id: <1441296258-4610-1-git-send-email-pmamonov@gmail.com> In-Reply-To: <20150903172455.586b781f0bab0f50bbe58585@gmail.com> 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] ata: intf_platform_ide: add OF bindings To: antonynpavlov@gmail.com, barebox@lists.infradead.org Cc: Peter Mamonov Signed-off-by: Peter Mamonov --- drivers/ata/intf_platform_ide.c | 30 ++++++++++++++++++++++++++++-- 1 file changed, 28 insertions(+), 2 deletions(-) diff --git a/drivers/ata/intf_platform_ide.c b/drivers/ata/intf_platform_ide.c index 0d392d8..ba28f17 100644 --- a/drivers/ata/intf_platform_ide.c +++ b/drivers/ata/intf_platform_ide.c @@ -29,6 +29,7 @@ #include #include #include +#include /** * Setup the register specific addresses for an ATA like divice @@ -87,8 +88,24 @@ static int platform_ide_probe(struct device_d *dev) int mmio = 0; if (pdata == NULL) { - dev_err(dev, "No platform data. Cannot continue\n"); - return -EINVAL; + /* try to get platform data from the device tree */ + struct device_node *dn = dev->device_node; + u32 tmp32; + + if (dn == NULL) { + dev_err(dev, "No platform data. Cannot continue\n"); + return -EINVAL; + } + + pdata = xzalloc(sizeof(struct ide_port_info)); + + if (of_property_read_bool(dn, "dataif-be")) + pdata->dataif_be = 1; + + if (of_property_read_u32(dn, "reg-shift", &tmp32) == 0) + pdata->ioport_shift = (unsigned)tmp32; + + device_add_data(dev, pdata, sizeof(struct ide_port_info)); } reg_base = dev_request_mem_region(dev, 0); @@ -136,9 +153,18 @@ static int platform_ide_probe(struct device_d *dev) return rc; } +static __maybe_unused struct of_device_id platform_ide_dt_ids[] = { + { + .compatible = "ata-generic", + }, { + /* sentinel */ + } +}; + static struct driver_d platform_ide_driver = { .name = "ide_intf", .probe = platform_ide_probe, + .of_compatible = DRV_OF_COMPAT(platform_ide_dt_ids), }; device_platform_driver(platform_ide_driver); -- 2.1.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox