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| author | Simon Glass <sjg@chromium.org> | 2016-11-13 21:22:01 (GMT) |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-11-26 00:59:30 (GMT) |
| commit | 71634f289de5850503738635cc96753c9b2c5d09 (patch) | |
| tree | 2d64e3193229aa0e69202dd593c655cf0340789a /drivers/spi/spi-uclass.c | |
| parent | d844efec472d7ea16b229d1c2c854bed70082278 (diff) | |
| download | u-boot-71634f289de5850503738635cc96753c9b2c5d09.tar.xz | |
spi: Add of-platdata support to SPI and SPI flash
Some boards may want to use these subsystems with of-platdata in SPL. Add
support for this by avoiding any device tree access in this case.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/spi/spi-uclass.c')
| -rw-r--r-- | drivers/spi/spi-uclass.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index d9c49e4..26eada2 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -108,6 +108,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, return dm_spi_xfer(slave->dev, bitlen, dout, din, flags); } +#if !CONFIG_IS_ENABLED(OF_PLATDATA) static int spi_child_post_bind(struct udevice *dev) { struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev); @@ -117,14 +118,16 @@ static int spi_child_post_bind(struct udevice *dev) return spi_slave_ofdata_to_platdata(gd->fdt_blob, dev->of_offset, plat); } +#endif static int spi_post_probe(struct udevice *bus) { +#if !CONFIG_IS_ENABLED(OF_PLATDATA) struct dm_spi_bus *spi = dev_get_uclass_priv(bus); spi->max_hz = fdtdec_get_int(gd->fdt_blob, bus->of_offset, "spi-max-frequency", 0); - +#endif #if defined(CONFIG_NEEDS_MANUAL_RELOC) struct dm_spi_ops *ops = spi_get_ops(bus); @@ -274,7 +277,11 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, bool created = false; int ret; +#if CONFIG_IS_ENABLED(OF_PLATDATA) + ret = uclass_first_device_err(UCLASS_SPI, &bus); +#else ret = uclass_get_device_by_seq(UCLASS_SPI, busnum, &bus); +#endif if (ret) { printf("Invalid bus %d (err=%d)\n", busnum, ret); return ret; @@ -436,14 +443,18 @@ UCLASS_DRIVER(spi) = { .id = UCLASS_SPI, .name = "spi", .flags = DM_UC_FLAG_SEQ_ALIAS, +#if !CONFIG_IS_ENABLED(OF_PLATDATA) .post_bind = dm_scan_fdt_dev, +#endif .post_probe = spi_post_probe, .child_pre_probe = spi_child_pre_probe, .per_device_auto_alloc_size = sizeof(struct dm_spi_bus), .per_child_auto_alloc_size = sizeof(struct spi_slave), .per_child_platdata_auto_alloc_size = sizeof(struct dm_spi_slave_platdata), +#if !CONFIG_IS_ENABLED(OF_PLATDATA) .child_post_bind = spi_child_post_bind, +#endif }; UCLASS_DRIVER(spi_generic) = { |