Change in coreboot[master]: mb/google/cherry: Allow payloads to enable USB VBUS

[Werner Zeh (Code Review)]

Werner Zeh has submitted this change. ( https://review.coreboot.org/c/coreboot/+/56326 )

Change subject: mb/google/cherry: Allow payloads to enable USB VBUS
......................................................................

mb/google/cherry: Allow payloads to enable USB VBUS

Configure GPIO DGI_D4 (AP_XHCI_INIT_DONE) as output, so that payloads
(for example depthcharge) can assert it to notify EC to enable USB VBUS.

BUG=b:193499785
TEST=emerge-cherry coreboot
BRANCH=none

Change-Id: I21b7b811b8138cb3f71efecb0a0a886905c65a9c
Signed-off-by: Yu-Ping Wu 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56326
Tested-by: build bot (Jenkins) 
Reviewed-by: Hung-Te Lin 
---
M src/mainboard/google/cherry/chromeos.c
M src/mainboard/google/cherry/gpio.h
2 files changed, 2 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Hung-Te Lin: Looks good to me, approved

diff --git a/src/mainboard/google/cherry/chromeos.c b/src/mainboard/google/cherry/chromeos.c
index 8f0e9ae..db7db78 100644
--- a/src/mainboard/google/cherry/chromeos.c
+++ b/src/mainboard/google/cherry/chromeos.c
@@ -17,6 +17,7 @@
    gpio_input_pullup(GPIO_GSC_AP_INT);
    gpio_output(GPIO_EN_SPK, 0);
    gpio_output(GPIO_RESET, 0);
+	gpio_output(GPIO_XHCI_DONE, 0);
 }

void fill_lb_gpios(struct lb_gpios *gpios)
diff --git a/src/mainboard/google/cherry/gpio.h b/src/mainboard/google/cherry/gpio.h
index f07fa38..e5465ac 100644
--- a/src/mainboard/google/cherry/gpio.h
+++ b/src/mainboard/google/cherry/gpio.h
@@ -9,6 +9,7 @@
 #define GPIO_WP		GPIO(GPIO_05)
 #define GPIO_SD_CD	GPIO(I2SO1_D1)
 #define GPIO_BEEP_ON	GPIO(DMIC1_DAT)
+#define GPIO_XHCI_DONE  GPIO(DGI_D4)
 #define GPIO_EC_IN_RW	GPIO(DGI_D10)
 #define GPIO_GSC_AP_INT	GPIO(DGI_D11)
 #define GPIO_EN_SPK	GPIO(UART1_RTS)