[coreboot-gerrit] Change in coreboot[master]: mb/google/brya/vell: Add 5G WWAN ACPI support for vell

[Robert Chen (Code Review)]

Attention is currently required from: Tim Wawrzynczak.
Robert Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/61847 )

Change subject: mb/google/brya/vell: Add 5G WWAN ACPI support for vell
......................................................................

mb/google/brya/vell: Add 5G WWAN ACPI support for vell

Add FM350GL 5G WWAN support using drivers/wwan/fm and addtional PM
features from RTD3.

Change-Id: If6d3f965b8f6b6753446f55a8bd47d3b0c1ae7be
Signed-off-by: Robert Chen 
---
M src/mainboard/google/brya/variants/vell/gpio.c
M src/mainboard/google/brya/variants/vell/overridetree.cb
2 files changed, 21 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/47/61847/1

diff --git a/src/mainboard/google/brya/variants/vell/gpio.c b/src/mainboard/google/brya/variants/vell/gpio.c
index 6dbfb69..ac102bd 100644
--- a/src/mainboard/google/brya/variants/vell/gpio.c
+++ b/src/mainboard/google/brya/variants/vell/gpio.c
@@ -90,6 +90,12 @@

/* GPD11: LANPHYC ==> WWAN_CONFIG1 */
    PAD_NC(GPD11, NONE),
+	
+	/* E0 : SATAXPCIE0 ==> WWAN_PERST_L
+	   NB. Driven high here so that it is sequenced after WWAN_RST_L; a
+	   PERST# signal would normally be reset by PLRST#, but here it will be
+	   explicitly programmed during a power-down sequence. */
+	PAD_CFG_GPO(GPP_E0, 1, DEEP),
 };

/* Early pad configuration in bootblock */
diff --git a/src/mainboard/google/brya/variants/vell/overridetree.cb b/src/mainboard/google/brya/variants/vell/overridetree.cb
index 4daf446..55779ce 100644
--- a/src/mainboard/google/brya/variants/vell/overridetree.cb
+++ b/src/mainboard/google/brya/variants/vell/overridetree.cb
@@ -14,7 +14,7 @@
    end
    field DB_LTE 6 7
    	option LTE_ABSENT		0
-		option LTE_USB			1
+		option LTE_PCIE			1
    end
    field EPS 10 10
    	option PRIVACY_SCREEN_ABSENT	0
@@ -154,6 +154,20 @@
    			device generic 0 on end
    		end
    	end
+		device ref pcie_rp6 on
+			probe DB_LTE LTE_PCIE
+			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 on
+					probe DB_LTE LTE_PCIE
+				end
+			end
+		end
+
    	device ref pcie_rp8 off end
    	device ref pcie_rp9 off end
    	device ref tcss_dma0 on