[PATCH v3 16/17] tpm: Add a driver for H1/Cr50

[Bin Meng]

On Wed, Feb 5, 2020 at 10:04 AM Simon Glass <sjg at chromium.org> wrote:
>
> H1 is a Google security chip present in recent Chromebooks, Pixel phones
> and other devices. Cr50 is the name of the software that runs on H1 in
> Chromebooks.
>
> This chip is used to handle TPM-like functionality and also has quite a
> few additional features.
>
> Add a driver for this.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v3:
> - Fix 'devuce' typo
> - s/@tpm/@dev/ in function comments
> - Use log_debug() instead of debug()
> - Fix 'consceivably' typo
> - Rewrite comment for claim_locality()
> - Shorten comment in cr50_i2c_wait_tpm_ready() to fit on one line
>
> Changes in v2:
> - Significant rewrite of cr50 init procedure
> - Support use of interrupts
>
>  drivers/tpm/Kconfig    |  10 +
>  drivers/tpm/Makefile   |   1 +
>  drivers/tpm/cr50_i2c.c | 659 +++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 670 insertions(+)
>  create mode 100644 drivers/tpm/cr50_i2c.c
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>