diff options
| author | Kayla Theil <kayla.theil@mixed-mode.de> | 2019-09-06 12:40:45 +0200 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2019-10-15 08:40:02 -0600 |
| commit | d8206ff198afaf36061efb14ff6af5e6119b30e7 (patch) | |
| tree | d8e708f15a7772cbee2d7945a9c3c57163e54056 /drivers/tpm/tpm2_tis_spi.c | |
| parent | 7a3f15e7181cf5a9667ff410260397f0e51c9020 (diff) | |
| download | u-boot-d8206ff198afaf36061efb14ff6af5e6119b30e7.zip u-boot-d8206ff198afaf36061efb14ff6af5e6119b30e7.tar.gz u-boot-d8206ff198afaf36061efb14ff6af5e6119b30e7.tar.bz2 | |
tpm2: Don't assume active low reset value
The reset function sets the pin to 0 then 1 but if the pin is marked
ACTIVE_LOW in the DT it gets inverted and leaves the TPM in reset.
Let the gpio driver take care of the reset polarity.
Signed-off-by: Kayla Theil <kayla.theil@mixed-mode.de>
Diffstat (limited to 'drivers/tpm/tpm2_tis_spi.c')
| -rw-r--r-- | drivers/tpm/tpm2_tis_spi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tpm/tpm2_tis_spi.c b/drivers/tpm/tpm2_tis_spi.c index 7186c17..3d105fd 100644 --- a/drivers/tpm/tpm2_tis_spi.c +++ b/drivers/tpm/tpm2_tis_spi.c @@ -596,9 +596,9 @@ static int tpm_tis_spi_probe(struct udevice *dev) log(LOGC_NONE, LOGL_NOTICE, "%s: missing reset GPIO\n", __func__); } else { - dm_gpio_set_value(&reset_gpio, 0); - mdelay(1); dm_gpio_set_value(&reset_gpio, 1); + mdelay(1); + dm_gpio_set_value(&reset_gpio, 0); } } |