diff options
author | Simon Glass <sjg@chromium.org> | 2017-05-18 20:09:54 -0600 |
---|---|---|
committer | Simon Glass <sjg@chromium.org> | 2017-06-01 07:03:16 -0600 |
commit | 279e26f5a3b865b1a6acf87b404ddec80bc57e63 (patch) | |
tree | d013519428f5b9d45b8d86c6af462388a80867c4 | |
parent | 8327d41b19af08a331c62954fafd685426e617f4 (diff) |
dm: spi: Convert uclass to livetree
Update the SPI uclass to support a live device tree. Also adjust
spi_slave_ofdata_to_platdata() to accept a device instead of a blob and
offset.
Signed-off-by: Simon Glass <sjg@chromium.org>
-rw-r--r-- | drivers/spi/spi-uclass.c | 31 | ||||
-rw-r--r-- | include/spi.h | 2 |
2 files changed, 15 insertions, 18 deletions
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index c061c05443..e06a603ab1 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -7,7 +7,6 @@ #include <common.h> #include <dm.h> #include <errno.h> -#include <fdtdec.h> #include <malloc.h> #include <spi.h> #include <dm/device-internal.h> @@ -113,11 +112,10 @@ static int spi_child_post_bind(struct udevice *dev) { struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev); - if (dev_of_offset(dev) == -1) + if (!dev_of_valid(dev)) return 0; - return spi_slave_ofdata_to_platdata(gd->fdt_blob, dev_of_offset(dev), - plat); + return spi_slave_ofdata_to_platdata(dev, plat); } #endif @@ -126,8 +124,7 @@ 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, dev_of_offset(bus), - "spi-max-frequency", 0); + spi->max_hz = dev_read_u32_default(bus, "spi-max-frequency", 0); #endif #if defined(CONFIG_NEEDS_MANUAL_RELOC) struct dm_spi_ops *ops = spi_get_ops(bus); @@ -375,7 +372,7 @@ struct spi_slave *spi_setup_slave(unsigned int busnum, unsigned int cs, int ret; ret = spi_get_bus_and_cs(busnum, cs, speed, mode, NULL, 0, &dev, - &slave); + &slave); if (ret) return NULL; @@ -388,27 +385,27 @@ void spi_free_slave(struct spi_slave *slave) slave->dev = NULL; } -int spi_slave_ofdata_to_platdata(const void *blob, int node, +int spi_slave_ofdata_to_platdata(struct udevice *dev, struct dm_spi_slave_platdata *plat) { int mode = 0; int value; - plat->cs = fdtdec_get_int(blob, node, "reg", -1); - plat->max_hz = fdtdec_get_int(blob, node, "spi-max-frequency", 0); - if (fdtdec_get_bool(blob, node, "spi-cpol")) + plat->cs = dev_read_u32_default(dev, "reg", -1); + plat->max_hz = dev_read_u32_default(dev, "spi-max-frequency", 0); + if (dev_read_bool(dev, "spi-cpol")) mode |= SPI_CPOL; - if (fdtdec_get_bool(blob, node, "spi-cpha")) + if (dev_read_bool(dev, "spi-cpha")) mode |= SPI_CPHA; - if (fdtdec_get_bool(blob, node, "spi-cs-high")) + if (dev_read_bool(dev, "spi-cs-high")) mode |= SPI_CS_HIGH; - if (fdtdec_get_bool(blob, node, "spi-3wire")) + if (dev_read_bool(dev, "spi-3wire")) mode |= SPI_3WIRE; - if (fdtdec_get_bool(blob, node, "spi-half-duplex")) + if (dev_read_bool(dev, "spi-half-duplex")) mode |= SPI_PREAMBLE; /* Device DUAL/QUAD mode */ - value = fdtdec_get_uint(blob, node, "spi-tx-bus-width", 1); + value = dev_read_u32_default(dev, "spi-tx-bus-width", 1); switch (value) { case 1: break; @@ -423,7 +420,7 @@ int spi_slave_ofdata_to_platdata(const void *blob, int node, break; } - value = fdtdec_get_uint(blob, node, "spi-rx-bus-width", 1); + value = dev_read_u32_default(dev, "spi-rx-bus-width", 1); switch (value) { case 1: break; diff --git a/include/spi.h b/include/spi.h index deb65efdfb..8c4b882c54 100644 --- a/include/spi.h +++ b/include/spi.h @@ -562,7 +562,7 @@ int spi_find_chip_select(struct udevice *bus, int cs, struct udevice **devp); * @node: Node offset to read from * @plat: Place to put the decoded information */ -int spi_slave_ofdata_to_platdata(const void *blob, int node, +int spi_slave_ofdata_to_platdata(struct udevice *dev, struct dm_spi_slave_platdata *plat); /** |