diff options
| author | Kevin K Wong <kevin.k.wong@intel.com> | 2016-10-17 20:45:36 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-11-11 23:11:43 -0800 |
| commit | 7300bc56c050d68485368d70d6dc123fbefcd6df (patch) | |
| tree | 22ecfea4e57b477b5a43b10f0d8c0d01953616c9 /driver | |
| parent | 3de9c1dcd04b73c069204fcabfc1db4eafc309fe (diff) | |
| download | chrome-ec-7300bc56c050d68485368d70d6dc123fbefcd6df.tar.gz | |
reef: enable tcpc low power mode
BUG=chrome-os-partner:55158,chrome-os-partner:55889,chrome-os-partner:55890
BRANCH=none
TEST=on reef use ina (pp3300_pd_a_mw) to check tcpc power consumption
Change-Id: I5a2904f4e549b7da22242848bb3b1887331ecadd
Signed-off-by: Kevin K Wong <kevin.k.wong@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/399882
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/tcpm/anx74xx.c | 3 | ||||
| -rw-r--r-- | driver/tcpm/tcpci.c | 3 | ||||
| -rw-r--r-- | driver/tcpm/tcpci.h | 1 |
3 files changed, 7 insertions, 0 deletions
diff --git a/driver/tcpm/anx74xx.c b/driver/tcpm/anx74xx.c index e22e1a49dd..fc242bc1f0 100644 --- a/driver/tcpm/anx74xx.c +++ b/driver/tcpm/anx74xx.c @@ -556,6 +556,9 @@ static int anx74xx_tcpc_drp_toggle(int port) /* Disable CC software Control */ rv = anx74xx_cc_software_ctrl(port, 0); +#ifdef CONFIG_USB_PD_TCPC_LOW_POWER + anx74xx_set_power_mode(port, ANX74XX_STANDBY_MODE); +#endif return rv; } #endif diff --git a/driver/tcpm/tcpci.c b/driver/tcpm/tcpci.c index a9232e411c..3f4b52657e 100644 --- a/driver/tcpm/tcpci.c +++ b/driver/tcpm/tcpci.c @@ -142,6 +142,9 @@ static int tcpci_tcpc_drp_toggle(int port) rv |= tcpc_write(port, TCPC_REG_COMMAND, TCPC_REG_COMMAND_LOOK4CONNECTION); +#ifdef CONFIG_USB_PD_TCPC_LOW_POWER + rv |= tcpc_write(port, TCPC_REG_COMMAND, TCPC_REG_COMMAND_I2CIDLE); +#endif return rv; } #endif diff --git a/driver/tcpm/tcpci.h b/driver/tcpm/tcpci.h index 165b206bf1..42f851cfe2 100644 --- a/driver/tcpm/tcpci.h +++ b/driver/tcpm/tcpci.h @@ -82,6 +82,7 @@ #define TCPC_REG_COMMAND 0x23 #define TCPC_REG_COMMAND_LOOK4CONNECTION 0x99 +#define TCPC_REG_COMMAND_I2CIDLE 0xFF #define TCPC_REG_DEV_CAP_1 0x24 #define TCPC_REG_DEV_CAP_2 0x26 |