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imx8m: soc: drop phy-reset-gpios for fec

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Need to drop phy-reset-gpios before booting linux, this property
is legacy property and replaced with reset-gpios.

If provide both, kernel would failed to request the same gpio twice
and cause fec not work.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2022-04-07 15:55:55 +08:00 committed by Stefano Babic
parent 8325ef3d77
commit 1166bd433a
1 changed files with 13 additions and 14 deletions
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27
arch/arm/mach-imx/imx8m/soc.c
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@ -1152,36 +1152,36 @@ static int disable_cpu_nodes(void *blob, u32 disabled_cores)
return 0;
}
#if defined(CONFIG_IMX8MM)
static int cleanup_nodes_for_efi(void *blob)
{
static const char * const usbotg_path[] = {
"/soc@0/bus@32c00000/usb@32e40000",
"/soc@0/bus@32c00000/usb@32e50000"
};
static const char * const path[][2] = {
{ "/soc@0/bus@32c00000/usb@32e40000", "extcon" },
{ "/soc@0/bus@32c00000/usb@32e50000", "extcon" },
{ "/soc@0/bus@30800000/ethernet@30be0000", "phy-reset-gpios" },
{ "/soc@0/bus@30800000/ethernet@30bf0000", "phy-reset-gpios" }
};
int nodeoff, i, rc;
for (i = 0; i < ARRAY_SIZE(usbotg_path); i++) {
nodeoff = fdt_path_offset(blob, usbotg_path[i]);
for (i = 0; i < ARRAY_SIZE(path); i++) {
nodeoff = fdt_path_offset(blob, path[i][0]);
if (nodeoff < 0)
continue; /* Not found, skip it */
debug("Found %s node\n", usbotg_path[i]);
debug("Found %s node\n", path[i][0]);
rc = fdt_delprop(blob, nodeoff, "extcon");
rc = fdt_delprop(blob, nodeoff, path[i][1]);
if (rc == -FDT_ERR_NOTFOUND)
continue;
if (rc) {
printf("Unable to update property %s:%s, err=%s\n",
usbotg_path[i], "extcon", fdt_strerror(rc));
path[i][0], path[i][1], fdt_strerror(rc));
return rc;
}
printf("Remove %s:%s\n", usbotg_path[i], "extcon");
printf("Remove %s:%s\n", path[i][0], path[i][1]);
}
return 0;
}
#endif
int ft_system_setup(void *blob, struct bd_info *bd)
{
@ -1277,8 +1277,6 @@ usb_modify_speed:
else if (is_imx8mms() || is_imx8mmsl())
disable_cpu_nodes(blob, 3);
cleanup_nodes_for_efi(blob);
#elif defined(CONFIG_IMX8MN)
if (is_imx8mnl() || is_imx8mndl() || is_imx8mnsl())
disable_gpu_nodes(blob);
@ -1326,6 +1324,7 @@ usb_modify_speed:
disable_cpu_nodes(blob, 2);
#endif
cleanup_nodes_for_efi(blob);
return 0;
}
#endif