imx: ventana: remove phy gpio reset from dt

We configure network phy configuration for internal delay, LED config,
and clock config. If we leave the phy reset gpio defined in dt the
kernel may issue a reset to the phy and break these configs. While some
may be handled by a kernel phy driver, others may not (typically LED
config).

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index 79629828d047569a1d58900311a385972466cf24..16468060f759c33bfa4ec8d20c843e414e4e7637 100644 (file)
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -1047,6 +1047,14 @@ int ft_board_setup(void *blob, struct bd_info *bd)
                ft_board_pci_fixup(blob, bd);
 #endif
 
+       /*
+        * remove reset gpio control as we configure the PHY registers
+        * for internal delay, LED config, and clock config in the bootloader
+        */
+       i = fdt_node_offset_by_compatible(blob, -1, "fsl,imx6q-fec");
+       if (i)
+               fdt_delprop(blob, i, "phy-reset-gpios");
+
        /*
         * Peripheral Config:
         *  remove nodes by alias path if EEPROM config tells us the