[coreboot-gerrit] [S] Change in coreboot[main]: mb/google/nissa/var/nivviks: Enable wifi7 on pcie root port

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/83075?usp=email )

Change subject: mb/google/nissa/var/nivviks: Enable wifi7 on pcie root port
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mb/google/nissa/var/nivviks: Enable wifi7 on pcie root port

Enable pcie based, discreete wifi7 on root port4.

BUG=b:345596420
BRANCH=NONE
TEST=Verified Wifi7 module detection based on cbi settings

Change-Id: I8c2f4a750a1cb00c587bce21bc83ee583d0f4341
Signed-off-by: Poornima Tom 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83075
Reviewed-by: Eric Lai 
Reviewed-by: Kapil Porwal 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/brya/variants/nivviks/overridetree.cb
1 file changed, 24 insertions(+), 0 deletions(-)

Approvals:
  Eric Lai: Looks good to me, approved
  Kapil Porwal: Looks good to me, approved
  build bot (Jenkins): Verified

diff --git a/src/mainboard/google/brya/variants/nivviks/overridetree.cb b/src/mainboard/google/brya/variants/nivviks/overridetree.cb
index 4528016..22dd9ca 100644
--- a/src/mainboard/google/brya/variants/nivviks/overridetree.cb
+++ b/src/mainboard/google/brya/variants/nivviks/overridetree.cb
@@ -503,6 +503,30 @@
    			device generic 0 on end
    		end
    	end
+		device ref pcie_rp4 on
+			probe WIFI_CATEGORY WIFI_7
+			# Enable WLAN Card PCIE 4 using clk 2
+			register "pch_pcie_rp[PCH_RP(4)]" = "{
+				.clk_src = 2,
+				.clk_req = 2,
+				.flags = PCIE_RP_LTR | PCIE_RP_AER,
+			}"
+			chip drivers/wifi/generic
+				register "wake" = "GPE0_DW1_03"
+				register "add_acpi_dma_property" = "true"
+				device pci 00.0 on
+					probe WIFI_CATEGORY WIFI_7
+				end
+			end
+			chip soc/intel/common/block/pcie/rtd3
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B11)"
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H20)"
+				register "srcclk_pin" = "2"
+				device generic 0 on
+					probe WIFI_CATEGORY WIFI_7
+				end
+			end
+		end  #PCIE4 WLAN card
    	device ref pcie_rp7 on
    		# Enable SD Card PCIe 7 using clk 3
    		register "pch_pcie_rp[PCH_RP(7)]" = "{