diff options
| author |   Vincent Cuissard <cuissard@marvell.com> | 2015-06-11 11:25:46 +0200 |
|---|---|---|
| committer |   Samuel Ortiz <sameo@linux.intel.com> | 2015-06-11 23:25:21 +0200 |
| commit | 4a2b947f56b33cde68d6e0543160ea09ce651fd9 (patch) | |
| tree | 5bd042492e6be12b7d9d8320012bb414b0d339fb /drivers/nfc/nfcmrvl/nfcmrvl.h | |
| parent | NFC: nfcmrvl: update USB device id (diff) | |
| download | linux-dev-4a2b947f56b33cde68d6e0543160ea09ce651fd9.tar.xz linux-dev-4a2b947f56b33cde68d6e0543160ea09ce651fd9.zip | |
NFC: nfcmrvl: add chip reset management
Low level driver can specify a GPIO that will be used to reset
the chip. Thanks to this the driver can ensure the state of the
device at init.
Signed-off-by: Vincent Cuissard <cuissard@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc/nfcmrvl/nfcmrvl.h')
| -rw-r--r-- | drivers/nfc/nfcmrvl/nfcmrvl.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/nfc/nfcmrvl/nfcmrvl.h b/drivers/nfc/nfcmrvl/nfcmrvl.h index 7a10dabaf1b2..2edae9a4b6bd 100644 --- a/drivers/nfc/nfcmrvl/nfcmrvl.h +++ b/drivers/nfc/nfcmrvl/nfcmrvl.h @@ -39,12 +39,18 @@ #define NFCMRVL_HCI_OCF 0xFE #define NFCMRVL_DEV_FLAG_HCI_MUXED (1 << 0) +#define NFCMRVL_DEV_FLAG_SET_RESET_N_IO(X) ((X) << 16) +#define NFCMRVL_DEV_FLAG_GET_RESET_N_IO(X) ((X) >> 16) struct nfcmrvl_private { /* Tell if NCI packets are encapsulated in HCI ones */ int hci_muxed; struct nci_dev *ndev; + + /* Reset IO (0 if not available) */ + int reset_n_io; + unsigned long flags; void *drv_data; struct device *dev; @@ -63,3 +69,5 @@ struct nfcmrvl_private *nfcmrvl_nci_register_dev(void *drv_data, struct nfcmrvl_if_ops *ops, struct device *dev, unsigned int flags); + +void nfcmrvl_chip_reset(struct nfcmrvl_private *priv); |