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glados: chell: add VCONN swap ability

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Add VCONN swap ability and accept VCONN_SWAP requests as long
as we have the ability to provide VCONN.

BUG=none
BRANCH=none
TEST=test on glados. ask for vconn swap and make sure vconn swap
is successful.

Change-Id: I7340e6253dcde4cdbe333a9622d7826e7ccbe6b4
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/308238
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
This commit is contained in:
Alec Berg
2015-10-22 15:47:16 -07:00
committed by chrome-bot
parent 964534b91e
commit 776bedc3f8
4 changed files with 20 additions and 0 deletions
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4
board/chell/board.h
View File

@@ -64,6 +64,7 @@
#define CONFIG_USBC_SS_MUX
#define CONFIG_USBC_SS_MUX_DFP_ONLY
#define CONFIG_USBC_VCONN
#define CONFIG_USBC_VCONN_SWAP
#define CONFIG_VBOOT_HASH
#define CONFIG_SPI_FLASH_PORT 1
@@ -169,6 +170,9 @@ enum temp_sensor_id {
#define PD_POWER_SUPPLY_TURN_ON_DELAY 30000 /* us */
#define PD_POWER_SUPPLY_TURN_OFF_DELAY 250000 /* us */
/* delay to turn on/off vconn */
#define PD_VCONN_SWAP_DELAY 5000 /* us */
/* Define typical operating power and max power */
#define PD_OPERATING_POWER_MW 15000
#define PD_MAX_POWER_MW 45000

6
board/chell/usb_pd_policy.c
View File

@@ -123,6 +123,12 @@ int pd_check_data_swap(int port, int data_role)
return (data_role == PD_ROLE_UFP) ? 1 : 0;
}
int pd_check_vconn_swap(int port)
{
/* in G3, do not allow vconn swap since pp5000_A rail is off */
return gpio_get_level(GPIO_PMIC_SLP_SUS_L);
}
void pd_execute_data_swap(int port, int data_role)
{
/* Do nothing */

4
board/glados/board.h
View File

@@ -73,6 +73,7 @@
#define CONFIG_USBC_SS_MUX
#define CONFIG_USBC_SS_MUX_DFP_ONLY
#define CONFIG_USBC_VCONN
#define CONFIG_USBC_VCONN_SWAP
#define CONFIG_VBOOT_HASH
#define CONFIG_SPI_FLASH_PORT 1
@@ -190,6 +191,9 @@ enum als_id {
#define PD_POWER_SUPPLY_TURN_ON_DELAY 30000 /* us */
#define PD_POWER_SUPPLY_TURN_OFF_DELAY 250000 /* us */
/* delay to turn on/off vconn */
#define PD_VCONN_SWAP_DELAY 5000 /* us */
/* Define typical operating power and max power */
#define PD_OPERATING_POWER_MW 15000
#define PD_MAX_POWER_MW 45000

6
board/glados/usb_pd_policy.c
View File

@@ -121,6 +121,12 @@ int pd_check_data_swap(int port, int data_role)
return (data_role == PD_ROLE_UFP) ? 1 : 0;
}
int pd_check_vconn_swap(int port)
{
/* in G3, do not allow vconn swap since pp5000_A rail is off */
return gpio_get_level(GPIO_PMIC_SLP_SUS_L);
}
void pd_execute_data_swap(int port, int data_role)
{
/* Do nothing */