diff options
| author | Peter Mamonov <pmamonov@gmail.com> | 2015-09-07 19:43:53 +0300 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-09-24 19:33:27 +0200 |
| commit | aa2bb00effa30718fe6d95dc215a54ddb44b9e27 (patch) | |
| tree | 4cf3c9a1569ddcb7143ee468732ce01b900204e7 /drivers/ata | |
| parent | 319d5c1ffca1fbb737c1ca3c9e751d5209091da1 (diff) | |
| download | barebox-aa2bb00effa30718fe6d95dc215a54ddb44b9e27.tar.gz barebox-aa2bb00effa30718fe6d95dc215a54ddb44b9e27.tar.xz | |
ata: intf_platform_ide: add OF bindings
Signed-off-by: Peter Mamonov <pmamonov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/intf_platform_ide.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/drivers/ata/intf_platform_ide.c b/drivers/ata/intf_platform_ide.c index 0d392d8d4a..d0f7984a2c 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 +86,18 @@ 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; + u32 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) { + of_property_read_u32(dn, "reg-shift", &ioport_shift); + } else { dev_err(dev, "No platform data. Cannot continue\n"); return -EINVAL; } @@ -123,9 +134,9 @@ 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 +147,18 @@ 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); |