[coreboot-gerrit] Change in coreboot[master]: mb/google/brya/vell: Add companion device name to WWAN PCIe generic d...

[Robert Chen (Code Review)]

Robert Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/62771 )

Change subject: mb/google/brya/vell: Add companion device name to WWAN PCIe generic device
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mb/google/brya/vell: Add companion device name to WWAN PCIe generic device

This is to merge PCIe ACPI code to WWAN device.
Also, PCI and RTD3 devices are add to overridetree.cb where WWAN is
present for vell.

BUG=b:224214465
BRANCH=firmware-brya-14505.B
TEST=emerge-brya coreboot

Signed-off-by: Robert Chen 
Change-Id: If27abcf31ed948899bfaecbe8ef494fe8a80609b
---
M src/mainboard/google/brya/variants/vell/overridetree.cb
1 file changed, 30 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/71/62771/1

diff --git a/src/mainboard/google/brya/variants/vell/overridetree.cb b/src/mainboard/google/brya/variants/vell/overridetree.cb
index 9250dc6..02a7673 100644
--- a/src/mainboard/google/brya/variants/vell/overridetree.cb
+++ b/src/mainboard/google/brya/variants/vell/overridetree.cb
@@ -154,6 +154,36 @@
    			device generic 0 on end
    		end
    	end
+		device ref pcie_rp6 on
+			# Enable WWAN PCIE 6 using clk 5
+			register "pch_pcie_rp[PCH_RP(6)]" = "{
+				.clk_src = 5,
+				.clk_req = 5,
+				.flags = PCIE_RP_LTR | PCIE_RP_AER,
+			}"
+			chip soc/intel/common/block/pcie/rtd3
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E0)"
+				register "reset_off_delay_ms" = "20"
+				# register "reset_delay_ms" = "1000"
+				register "srcclk_pin" = "5"
+				register "ext_pm_support" = "ACPI_PCIE_RP_EMIT_ALL"
+				register "skip_on_off_support" = "true"
+				device generic 0 alias rp6_rtd3 on end
+			end
+			chip drivers/pcie/generic
+				register "is_untrusted" = "1"
+				use rp6_wwan as companion_dev
+				device pci 0 on end
+			end
+			chip drivers/wwan/fm
+				register "fcpo_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_F21)"
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E16)"
+				register "perst_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E0)"
+				register "wake_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A7)"
+				use rp6_rtd3 as rtd3dev
+				device generic 0 alias rp6_wwan on end
+			end
+		end
    	device ref pcie_rp8 off end
    	device ref pcie_rp9 off end
    	device ref tcss_dma0 on