Change in coreboot[master]: mb/google/dedede/var/beadrix: Add LTE modem support

[Teddy Shih (Code Review)]

Teddy Shih has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/61328 )

Change subject: mb/google/dedede/var/beadrix: Add LTE modem support
......................................................................

mb/google/dedede/var/beadrix: Add LTE modem support

This change adds LTE modem for beadrix.

BUG=b:204882915
BRANCH=dedede
TEST=Build and boot beadrix, check with command modem status

Change-Id: I7acb88634478ff486810b2c3fc14d6739c3268e1
Signed-off-by: Teddy Shih 
---
M src/mainboard/google/dedede/variants/beadrix/gpio.c
M src/mainboard/google/dedede/variants/beadrix/overridetree.cb
2 files changed, 19 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/28/61328/1

diff --git a/src/mainboard/google/dedede/variants/beadrix/gpio.c b/src/mainboard/google/dedede/variants/beadrix/gpio.c
index 6028649..0732355 100644
--- a/src/mainboard/google/dedede/variants/beadrix/gpio.c
+++ b/src/mainboard/google/dedede/variants/beadrix/gpio.c
@@ -5,9 +5,14 @@

/* Pad configuration in ramstage */
 static const struct pad_config gpio_table[] = {
+	/* A10 : WWAN_EN */
+	PAD_CFG_GPO(GPP_A10, 1, PWROK),
    /* A11 : TOUCH_RPT_EN ==> NC */
    PAD_NC(GPP_A11, NONE),

+	/* B7  : PCIE_CLKREQ2_N ==> WWAN_SAR_DETECT_ODL */
+	PAD_CFG_GPO(GPP_B7, 1, DEEP),
+
    /* C18 : AP_I2C_EMR_SDA ==> NC */
    PAD_NC(GPP_C18, NONE),
    /* C19 : AP_I2C_EMR_SCL ==> NC */
@@ -15,6 +20,8 @@
    /* C22 : UART2_RTS_N ==> NC */
    PAD_NC(GPP_C22, NONE),

+	/* D0  : WWAN_HOST_WAKE ==> WWAN_WDISABLE_L */
+	PAD_CFG_GPO(GPP_D0, 1, DEEP),
    /* D12 : WCAM_RST_L ==> NC */
    PAD_NC(GPP_D12, NONE),
    /* D13 : EN_PP2800_CAMERA ==> NC */
@@ -58,6 +65,8 @@

/* H1  : EN_PP3300_SD_U ==> NC */
    PAD_NC(GPP_H1, NONE),
+	/* H17 : WWAN_RST_L */
+	PAD_CFG_GPO(GPP_H17, 0, PLTRST),
 };

const struct pad_config *variant_override_gpio_table(size_t *num)
diff --git a/src/mainboard/google/dedede/variants/beadrix/overridetree.cb b/src/mainboard/google/dedede/variants/beadrix/overridetree.cb
index 97e77439..9c6d931 100644
--- a/src/mainboard/google/dedede/variants/beadrix/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/beadrix/overridetree.cb
@@ -49,6 +49,16 @@
    					register "type" = "UPC_TYPE_INTERNAL"
    					device usb 2.5 on end
    				end
+					chip drivers/usb/acpi
+						register "desc" = ""LTE""
+						register "type" = "UPC_TYPE_INTERNAL"
+						register "has_power_resource" = "1"
+						register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H17)"
+						register "reset_off_delay_ms" = "20"
+						register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A10)"
+						register "enable_delay_ms" = "20"
+						device usb 3.3 on end
+					end
    			end
    		end
    	end # USB xHCI