static int mvebu_spi_set_mode(struct udevice *bus, uint mode)
{
+ struct mvebu_spi_platdata *plat = dev_get_platdata(bus);
+ struct kwspi_registers *reg = plat->spireg;
+ u32 data = readl(®->cfg);
+
+ data &= ~(KWSPI_CPHA | KWSPI_CPOL | KWSPI_RXLSBF | KWSPI_TXLSBF);
+
+ if (mode & SPI_CPHA)
+ data |= KWSPI_CPHA;
+ if (mode & SPI_CPOL)
+ data |= KWSPI_CPOL;
+ if (mode & SPI_LSB_FIRST)
+ data |= (KWSPI_RXLSBF | KWSPI_TXLSBF);
+
+ writel(data, ®->cfg);
+
return 0;
}
return _spi_xfer(plat->spireg, bitlen, dout, din, flags);
}
+static int mvebu_spi_claim_bus(struct udevice *dev)
+{
+ struct udevice *bus = dev->parent;
+ struct mvebu_spi_platdata *plat = dev_get_platdata(bus);
+
+ /* Configure the chip-select in the CTRL register */
+ clrsetbits_le32(&plat->spireg->ctrl,
+ KWSPI_CS_MASK << KWSPI_CS_SHIFT,
+ spi_chip_select(dev) << KWSPI_CS_SHIFT);
+
+ return 0;
+}
+
static int mvebu_spi_probe(struct udevice *bus)
{
struct mvebu_spi_platdata *plat = dev_get_platdata(bus);
{
struct mvebu_spi_platdata *plat = dev_get_platdata(bus);
- plat->spireg = (struct kwspi_registers *)dev_get_addr(bus);
+ plat->spireg = (struct kwspi_registers *)devfdt_get_addr(bus);
return 0;
}
static const struct dm_spi_ops mvebu_spi_ops = {
+ .claim_bus = mvebu_spi_claim_bus,
.xfer = mvebu_spi_xfer,
.set_speed = mvebu_spi_set_speed,
.set_mode = mvebu_spi_set_mode,
};
static const struct udevice_id mvebu_spi_ids[] = {
+ { .compatible = "marvell,armada-375-spi" },
{ .compatible = "marvell,armada-380-spi" },
{ .compatible = "marvell,armada-xp-spi" },
{ }