mainboard/msi/ms7d25: Add NCT6687D configuration

TEST=Boot Ubuntu 22.04, load nct6687 kernel module and use lm-sensors
to display information about sensors on the SIO EC.

Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Change-Id: I55445a94f0de3510324b12558c4343e819412ac0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63928
Reviewed-by: Krystian Hebel <krystian.hebel@3mdeb.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/msi/ms7d25/acpi/superio.asl

@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#define SUPERIO_DEV		SIO0
+#define SUPERIO_PNP_BASE	0x4e
+#define NCT6687D_SHOW_SP1
+#define NCT6687D_SHOW_KBC
+#define NCT6687D_SHOW_EC
+
+#include <superio/nuvoton/nct6687d/acpi/superio.asl>

src/mainboard/msi/ms7d25/bootblock.c

@@ -11,6 +11,8 @@ void bootblock_mainboard_early_init(void)
 {
 	/* Replicate vendor settings for multi-function pins in global config LDN */
 	nuvoton_pnp_enter_conf_state(SERIAL_DEV);
+	pnp_write_config(SERIAL_DEV, 0x13, 0xff); // IRQ8-15 level triggered, low
+	pnp_write_config(SERIAL_DEV, 0x14, 0xff); // IRQ0-7 level triggered, low
 	pnp_write_config(SERIAL_DEV, 0x15, 0xaa);
 	pnp_write_config(SERIAL_DEV, 0x1a, 0x02);
 	pnp_write_config(SERIAL_DEV, 0x1b, 0x02);

src/mainboard/msi/ms7d25/devicetree.cb

@@ -216,6 +216,37 @@ chip soc/intel/alderlake
 			smbios_slot_desc "SlotTypeM2Socket3" "SlotLengthOther"
 					 "M2_2" "SlotDataBusWidth4X"
 		end
+		device ref pch_espi on
+			chip superio/nuvoton/nct6687d
+				device pnp 4e.1 off end		# Parallel port
+				device pnp 4e.2 on		# COM1
+					io 0x60 = 0x3f8
+					irq 0x70 = 4
+				end
+				device pnp 4e.3 off end		# COM2, IR
+				device pnp 4e.5 on		# Keyboard
+					io 0x60 = 0x60
+					io 0x62 = 0x64
+					irq 0x70 = 1
+					irq 0x72 = 12
+				end
+				device pnp 4e.6 off end		# CIR
+				device pnp 4e.7 off end		# GPIO0-7
+				device pnp 4e.8 off end		# P80 UART
+				device pnp 4e.9 off end		# GPIO8-9, GPIO1-8 AF
+				device pnp 4e.a on		# ACPI
+					# Vendor firmware did not assign I/O and IRQ
+				end
+				device pnp 4e.b on		# EC
+					io 0x60 = 0xa20
+					# Vendor firmware did not assign IRQ
+				end
+				device pnp 4e.c off end		# RTC
+				device pnp 4e.d off end		# Deep Sleep
+				device pnp 4e.e off end		# TACH/PWM assignment
+				device pnp 4e.f off end		# Function register
+			end
+		end
 		device ref p2sb on end
 		device ref hda on
 			subsystemid 0x1462 0x9d25

src/mainboard/msi/ms7d25/dsdt.asl

@@ -24,5 +24,10 @@ DefinitionBlock(
 		#include <soc/intel/alderlake/acpi/southbridge.asl>
 	}
 
+	Scope (\_SB.PCI0.LPCB)
+	{
+		#include "acpi/superio.asl"
+	}
+
 	#include <southbridge/intel/common/acpi/sleepstates.asl>
 }