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spi: cadence-qspi: Use weak alias for finding ospi subnode 

OSPI0 instance can have multiple flash nodes with same chip select and
node name values. Create a weak alias to give option for adding custom
flash node selection logic for different boards.

Signed-off-by: Udit Kumar <u-kumar1@ti.com>
Signed-off-by: Apurva Nandan <a-nandan@ti.com>
This commit is contained in:
Apurva Nandan 2023-10-07 04:29:40 +05:30 committed by Udit Kumar
parent 7c37b21c99
commit 4c83cf7017
1 changed files with 6 additions and 1 deletions
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7
drivers/spi/cadence_qspi.c
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@ -41,6 +41,11 @@ __weak int cadence_qspi_versal_flash_reset(struct udevice *dev)
return 0;
}
__weak ofnode cadence_qspi_get_subnode(struct udevice *dev)
{
return dev_read_first_subnode(dev);
}
static int cadence_spi_get_temp(int *temp)
{
struct udevice *dev;
@ -992,7 +997,7 @@ static int cadence_spi_of_to_plat(struct udevice *bus)
plat->is_dma = dev_read_bool(bus, "cdns,is-dma");
/* All other parameters are embedded in the child node */
subnode = dev_read_first_subnode(bus);
subnode = cadence_qspi_get_subnode(bus);
if (!ofnode_valid(subnode)) {
printf("Error: subnode with SPI flash config missing!\n");
return -ENODEV;