mb/adlrvp: Add new ADL P board variant for MCHP1727

Add new board variant to enable MCHP1727 Modular EC Card on RVP

BUG=b:179214042
BRANCH=none
TEST=emerge brya and verify that adlrvp_p_mchp images boot

Change-Id: I9dc96ad5c5db21fedbe480d19fcae8434d3bd169
Signed-off-by: Brandon Breitenstein <brandon.breitenstein@intel.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56839
Reviewed-by: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/intel/adlrvp/Kconfig

@@ -1,4 +1,4 @@
-if BOARD_INTEL_ADLRVP_P || BOARD_INTEL_ADLRVP_P_EXT_EC || BOARD_INTEL_ADLRVP_M || BOARD_INTEL_ADLRVP_M_EXT_EC
+if BOARD_INTEL_ADLRVP_P || BOARD_INTEL_ADLRVP_P_EXT_EC || BOARD_INTEL_ADLRVP_P_MCHP || BOARD_INTEL_ADLRVP_M || BOARD_INTEL_ADLRVP_M_EXT_EC
 
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
@@ -10,10 +10,11 @@ config BOARD_SPECIFIC_OPTIONS
 	select DRIVERS_I2C_GENERIC
 	select DRIVERS_INTEL_DPTF
 	select DRIVERS_INTEL_MIPI_CAMERA
-	select DRIVERS_INTEL_PMC if BOARD_INTEL_ADLRVP_P_EXT_EC || BOARD_INTEL_ADLRVP_M_EXT_EC
+	select DRIVERS_INTEL_PMC if BOARD_INTEL_ADLRVP_P_EXT_EC || BOARD_INTEL_ADLRVP_M_EXT_EC || BOARD_INTEL_ADLRVP_P_MCHP
 	select DRIVERS_INTEL_SOUNDWIRE
 	select DRIVERS_USB_ACPI
 	select DRIVERS_SPI_ACPI
+	select EC_GOOGLE_CHROMEEC_ACPI_MEMMAP if BOARD_INTEL_ADLRVP_P_MCHP
 	select SOC_INTEL_ALDERLAKE
 	select SOC_INTEL_ALDERLAKE_PCH_M if BOARD_INTEL_ADLRVP_M || BOARD_INTEL_ADLRVP_M_EXT_EC
 	select HAVE_SPD_IN_CBFS
@@ -42,6 +43,7 @@ config MAINBOARD_DIR
 config VARIANT_DIR
 	default "adlrvp_p" if BOARD_INTEL_ADLRVP_P
 	default "adlrvp_p_ext_ec" if BOARD_INTEL_ADLRVP_P_EXT_EC
+	default "adlrvp_p_mchp" if BOARD_INTEL_ADLRVP_P_MCHP
 	default "adlrvp_m" if BOARD_INTEL_ADLRVP_M
 	default "adlrvp_m_ext_ec" if BOARD_INTEL_ADLRVP_M_EXT_EC
 
@@ -75,7 +77,7 @@ config DIMM_SPD_SIZE
 choice
 	prompt "ON BOARD EC"
 	default ADL_INTEL_EC if BOARD_INTEL_ADLRVP_P || BOARD_INTEL_ADLRVP_M
-	default ADL_CHROME_EC if BOARD_INTEL_ADLRVP_P_EXT_EC || BOARD_INTEL_ADLRVP_M_EXT_EC
+	default ADL_CHROME_EC if BOARD_INTEL_ADLRVP_P_EXT_EC || BOARD_INTEL_ADLRVP_M_EXT_EC || BOARD_INTEL_ADLRVP_P_MCHP
 	help
 	  This option allows you to select the on board EC to use.
 	  Select whether the board has Intel EC or Chrome EC

src/mainboard/intel/adlrvp/Kconfig.name

@@ -7,6 +7,13 @@ config BOARD_INTEL_ADLRVP_P_EXT_EC
 	bool "Alderlake-P RVP with Chrome EC"
 	select INTEL_LPSS_UART_FOR_CONSOLE
 
+config BOARD_INTEL_ADLRVP_P_MCHP
+	bool "Alderlake-P RVP with Microchip EC"
+	select INTEL_LPSS_UART_FOR_CONSOLE
+	select DRIVERS_INTEL_MIPI_CAMERA
+	select SOC_INTEL_COMMON_BLOCK_IPU
+	select EC_GOOGLE_CHROMEEC_MEC
+
 config BOARD_INTEL_ADLRVP_M
 	bool "Alderlake-M RVP"
 	select DRIVERS_UART_8250IO

src/mainboard/intel/adlrvp/variants/adlrvp_p_mchp/overridetree.cb

@@ -0,0 +1,34 @@
+chip soc/intel/alderlake
+
+	device domain 0 on
+		device ref pch_espi on
+			chip ec/google/chromeec
+				use conn0 as mux_conn[0]
+				use conn1 as mux_conn[1]
+				device pnp 0c09.0 on end
+			end
+		end
+		device ref pmc hidden
+			# The pmc_mux chip driver is a placeholder for the
+			# PMC.MUX device in the ACPI hierarchy.
+			chip drivers/intel/pmc_mux
+				device generic 0 on
+					chip drivers/intel/pmc_mux/conn
+						register "usb2_port_number" = "1"
+						register "usb3_port_number" = "1"
+						# SBU is fixed, HSL follows CC
+						register "sbu_orientation" = "TYPEC_ORIENTATION_NORMAL"
+						device generic 0 alias conn0 on end
+					end
+					chip drivers/intel/pmc_mux/conn
+						register "usb2_port_number" = "2"
+						register "usb3_port_number" = "2"
+						# SBU is fixed, HSL follows CC
+						register "sbu_orientation" = "TYPEC_ORIENTATION_NORMAL"
+						device generic 1 alias conn1 on end
+					end
+				end
+			end
+		end
+	end
+end