From: Peter Mamonov <pmamonov@gmail.com>
To: l.stach@pengutronix.de, s.hauer@pengutronix.de
Cc: barebox@lists.infradead.org, Peter Mamonov <pmamonov@gmail.com>
Subject: [PATCHv3] ata: intf_platform_ide: add OF bindings
Date: Mon, 7 Sep 2015 19:43:53 +0300 [thread overview]
Message-ID: <1441644233-26311-1-git-send-email-pmamonov@gmail.com> (raw)
In-Reply-To: <1441641223.28391.11.camel@pengutronix.de>
Signed-off-by: Peter Mamonov <pmamonov@gmail.com>
---
drivers/ata/intf_platform_ide.c | 34 +++++++++++++++++++++++++++++-----
1 file changed, 29 insertions(+), 5 deletions(-)
diff --git a/drivers/ata/intf_platform_ide.c b/drivers/ata/intf_platform_ide.c
index 0d392d8..ab633c0 100644
--- a/drivers/ata/intf_platform_ide.c
+++ b/drivers/ata/intf_platform_ide.c
@@ -29,6 +29,7 @@
#include <ata_drive.h>
#include <platform_ide.h>
#include <linux/err.h>
+#include <of.h>
/**
* Setup the register specific addresses for an ATA like divice
@@ -85,8 +86,22 @@ static int platform_ide_probe(struct device_d *dev)
void *reg_base, *alt_base = NULL;
struct resource *reg, *alt;
int mmio = 0;
-
- if (pdata == NULL) {
+ struct device_node *dn = dev->device_node;
+ unsigned ioport_shift = 0;
+ int dataif_be = 0;
+ void (*reset)(int) = NULL;
+
+ if (pdata) {
+ ioport_shift = pdata->ioport_shift;
+ dataif_be = pdata->dataif_be;
+ reset = pdata->reset;
+ } else if (dn) {
+ /* try to get platform data from the device tree */
+ u32 tmp32;
+
+ if (of_property_read_u32(dn, "reg-shift", &tmp32) == 0)
+ ioport_shift = (unsigned)tmp32;
+ } else {
dev_err(dev, "No platform data. Cannot continue\n");
return -EINVAL;
}
@@ -123,9 +138,9 @@ static int platform_ide_probe(struct device_d *dev)
ide = xzalloc(sizeof(*ide));
ide->io.mmio = mmio;
- platform_ide_setup_port(reg_base, alt_base, &ide->io, pdata->ioport_shift);
- ide->io.reset = pdata->reset;
- ide->io.dataif_be = pdata->dataif_be;
+ platform_ide_setup_port(reg_base, alt_base, &ide->io, ioport_shift);
+ ide->io.reset = reset;
+ ide->io.dataif_be = dataif_be;
rc = ide_port_register(ide);
if (rc != 0) {
@@ -136,9 +151,18 @@ 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
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next prev parent reply other threads:[~2015-09-07 16:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-03 13:38 [PATCH] " Peter Mamonov
2015-09-03 14:24 ` Antony Pavlov
2015-09-03 15:33 ` Peter Mamonov
2015-09-03 16:04 ` Peter Mamonov
2015-09-03 18:13 ` Sascha Hauer
2015-09-07 15:44 ` [PATCHv2] " Peter Mamonov
2015-09-07 15:53 ` Lucas Stach
2015-09-07 16:43 ` Peter Mamonov [this message]
2015-09-09 6:54 ` [PATCHv3] " Sascha Hauer
2015-09-03 15:46 ` [PATCH] " Lucas Stach
2015-09-03 16:31 ` Antony Pavlov
2015-09-03 18:16 ` Sascha Hauer
2015-09-04 10:15 ` Peter Mamonov
2015-09-04 9:40 ` Peter Mamonov
2015-09-04 10:23 ` Lucas Stach
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