superio/nuvoton/nct5104d: add chip config option to reset GPIOs
Define a chip option to explicitly soft reset all enabled GPIOs to
default state.
TEST=boot FreeBSD 11.2 on PC Engines apu1, change GPIO configuration
using nctgpio module and check whether GPIOs are reset after reboot
Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Change-Id: Iae4205574800138402cbc95f4948167265a80d15
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38850
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/mainboard/pcengines/apu2/variants/apu4/devicetree.cb b/src/mainboard/pcengines/apu2/variants/apu4/devicetree.cb
index f5082d4..c08e5b2 100644
--- a/src/mainboard/pcengines/apu2/variants/apu4/devicetree.cb
+++ b/src/mainboard/pcengines/apu2/variants/apu4/devicetree.cb
@@ -44,6 +44,7 @@
device pci 14.3 on # LPC 0x439d
chip superio/nuvoton/nct5104d # SIO NCT5104D
register "irq_trigger_type" = "0"
+ register "reset_gpios" = "1"
device pnp 2e.0 off end
device pnp 2e.2 on
io 0x60 = 0x3f8