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
---
Changes in v3: None
Changes in v2: None
drivers/spi/spi-uclass.c | 31 ++-
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
#include
#include
-#include
#include
#include
#include
@@ -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);
/**
--
2.13.0.303.g4ebf302169-goog
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