diff options
| author | Alec Berg <alecaberg@chromium.org> | 2015-05-08 16:46:03 -0700 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-05-27 02:39:48 +0000 |
| commit | 111c893524f226435b4c851db8e05d5f16ab4c0e (patch) | |
| tree | 9442e194d623387113c544694ba9a6bf6b5a2023 /include/usb_pd_tcpc.h | |
| parent | 5b5f737d8f6f1be15d4ab5f42f290d20576307c4 (diff) | |
| download | chrome-ec-111c893524f226435b4c851db8e05d5f16ab4c0e.tar.gz | |
pd: stm32f0: modify i2c driver to support TCPCI
Modify the stm32f0 i2c driver to support the new TCPC
interface.
BUG=none
BRANCH=none
TEST=test on oak
Change-Id: Ibcb205e67d59d99a97dce090bd84bbb714ad5032
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/270173
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'include/usb_pd_tcpc.h')
| -rw-r--r-- | include/usb_pd_tcpc.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/usb_pd_tcpc.h b/include/usb_pd_tcpc.h index b954c6f7ae..0ddeab23d2 100644 --- a/include/usb_pd_tcpc.h +++ b/include/usb_pd_tcpc.h @@ -12,6 +12,18 @@ #define CONFIG_TCPC_I2C_BASE_ADDR 0x9c #endif +/* If we are a TCPC but do not a TCPM, then we implement the slave TCPCI */ +#if defined(CONFIG_USB_PD_TCPC) && !defined(CONFIG_USB_PD_TCPM_STUB) +#define TCPCI_I2C_SLAVE +#endif + +#ifdef TCPCI_I2C_SLAVE +/* Convert TCPC address to type-C port number */ +#define TCPC_ADDR_TO_PORT(addr) (((addr) - CONFIG_TCPC_I2C_BASE_ADDR) >> 1) +/* Check if the i2c address belongs to TCPC */ +#define ADDR_IS_TCPC(addr) (((addr) & 0xfc) == CONFIG_TCPC_I2C_BASE_ADDR) +#endif + /** * Process incoming TCPCI I2C command * |