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ata: intf_platform_ide: add OF bindings

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Signed-off-by: Peter Mamonov <pmamonov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Peter Mamonov 2015-09-07 19:43:53 +03:00 committed by Sascha Hauer
parent 319d5c1ffc
commit aa2bb00eff
1 changed files with 24 additions and 4 deletions
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28
drivers/ata/intf_platform_ide.c
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@ -29,6 +29,7 @@
#include <ata_drive.h> #include <ata_drive.h>
#include <platform_ide.h> #include <platform_ide.h>
#include <linux/err.h> #include <linux/err.h>
#include <of.h>
/** /**
* Setup the register specific addresses for an ATA like divice * Setup the register specific addresses for an ATA like divice
@ -85,8 +86,18 @@ static int platform_ide_probe(struct device_d *dev)
void *reg_base, *alt_base = NULL; void *reg_base, *alt_base = NULL;
struct resource *reg, *alt; struct resource *reg, *alt;
int mmio = 0; int mmio = 0;
struct device_node *dn = dev->device_node;
u32 ioport_shift = 0;
int dataif_be = 0;
void (*reset)(int) = NULL;
if (pdata == NULL) { if (pdata) {
ioport_shift = pdata->ioport_shift;
dataif_be = pdata->dataif_be;
reset = pdata->reset;
} else if (dn) {
of_property_read_u32(dn, "reg-shift", &ioport_shift);
} else {
dev_err(dev, "No platform data. Cannot continue\n"); dev_err(dev, "No platform data. Cannot continue\n");
return -EINVAL; return -EINVAL;
} }
@ -123,9 +134,9 @@ static int platform_ide_probe(struct device_d *dev)
ide = xzalloc(sizeof(*ide)); ide = xzalloc(sizeof(*ide));
ide->io.mmio = mmio; ide->io.mmio = mmio;
platform_ide_setup_port(reg_base, alt_base, &ide->io, pdata->ioport_shift); platform_ide_setup_port(reg_base, alt_base, &ide->io, ioport_shift);
ide->io.reset = pdata->reset; ide->io.reset = reset;
ide->io.dataif_be = pdata->dataif_be; ide->io.dataif_be = dataif_be;
rc = ide_port_register(ide); rc = ide_port_register(ide);
if (rc != 0) { if (rc != 0) {
@ -136,9 +147,18 @@ static int platform_ide_probe(struct device_d *dev)
return rc; return rc;
} }
static __maybe_unused struct of_device_id platform_ide_dt_ids[] = {
{
.compatible = "ata-generic",
}, {
/* sentinel */
}
};
static struct driver_d platform_ide_driver = { static struct driver_d platform_ide_driver = {
.name = "ide_intf", .name = "ide_intf",
.probe = platform_ide_probe, .probe = platform_ide_probe,
.of_compatible = DRV_OF_COMPAT(platform_ide_dt_ids),
}; };
device_platform_driver(platform_ide_driver); device_platform_driver(platform_ide_driver);