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board: ti: j721s2: Delete nodes for OSPI NAND SPL fixup 

cadence-qspi manually parses flash subnodes. Simply disabling
the node was not giving expected behaviour across drivers.
So, additionally delete the disabled node also as the flash is
undiscoverable due to hardware muxing anyways.

Signed-off-by: Apurva Nandan <a-nandan@ti.com>
This commit is contained in:
Apurva Nandan 2023-10-07 04:29:38 +05:30 committed by Udit Kumar
parent 9390b636e8
commit 0be2deaeaa
1 changed files with 10 additions and 13 deletions
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23
board/ti/j721s2/evm.c
View File

@ -79,7 +79,7 @@ static void __maybe_unused detect_enable_spinand(void *blob)
{
struct gpio_desc desc = {0};
char *ospi_mux_sel_gpio = "6";
int offset;
int nand_offset, nor_offset;
if (dm_gpio_lookup_name(ospi_mux_sel_gpio, &desc))
return;
@ -90,19 +90,16 @@ static void __maybe_unused detect_enable_spinand(void *blob)
if (dm_gpio_set_dir_flags(&desc, GPIOD_IS_IN))
return;
nand_offset = fdt_node_offset_by_compatible(blob, -1, "spi-nand");
nor_offset = fdt_node_offset_by_compatible(blob,
fdt_parent_offset(blob, nand_offset),
"jedec,spi-nor");
if (dm_gpio_get_value(&desc)) {
offset = fdt_node_offset_by_compatible(blob, -1, "spi-nand");
fdt_status_okay(blob, offset);
offset = fdt_first_subnode(blob,
fdt_parent_offset(blob, offset));
while (offset > 0) {
if (!fdt_node_check_compatible(blob, offset,
"jedec,spi-nor"))
fdt_status_disabled(blob, offset);
offset = fdt_next_subnode(blob, offset);
}
fdt_status_okay(blob, nand_offset);
fdt_del_node(blob, nor_offset);
} else {
fdt_del_node(blob, nand_offset);
}
}
#endif