Re: [PATCH v4 1/2] tpm: devicetree: document properties for cr50

From	Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v4 1/2] tpm: devicetree: document properties for cr50
Date	2016-08-09 12:10 +0200
Message-ID	<s4c8V-6b7-23@gated-at.bofh.it> (permalink)
References	<rV133-14j-7@gated-at.bofh.it> <s05fH-6fS-3@gated-at.bofh.it>
Organization	Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo

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On Thu, Jul 28, 2016 at 06:55:13PM -0700, Andrey Pronin wrote:
> Add TPM2.0 PTP FIFO compatible SPI interface for chips with Cr50
> firmware.
> 
> Signed-off-by: Andrey Pronin <apronin@chromium.org>

Acked-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

/Jarkko

> ---
>  .../devicetree/bindings/security/tpm/cr50_spi.txt   | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/security/tpm/cr50_spi.txt
> 
> diff --git a/Documentation/devicetree/bindings/security/tpm/cr50_spi.txt b/Documentation/devicetree/bindings/security/tpm/cr50_spi.txt
> new file mode 100644
> index 0000000..2fbebd3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/security/tpm/cr50_spi.txt
> @@ -0,0 +1,21 @@
> +* H1 Secure Microcontroller with Cr50 Firmware on SPI Bus.
> +
> +H1 Secure Microcontroller running Cr50 firmware provides several
> +functions, including TPM-like functionality. It communicates over
> +SPI using the FIFO protocol described in the PTP Spec, section 6.
> +
> +Required properties:
> +- compatible: Should be "google,cr50".
> +- spi-max-frequency: Maximum SPI frequency.
> +
> +Example:
> +
> +&spi0 {
> +        status = "okay";
> +
> +        cr50@0 {
> +                compatible = "google,cr50";
> +                reg = <0>;
> +                spi-max-frequency = <800000>;
> +        };
> +};
> -- 
> 2.6.6
>

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[PATCH v4 1/2] tpm: devicetree: document properties for cr50 Andrey Pronin <apronin@chromium.org> - 2016-07-29 04:00 +0200
  Re: [PATCH v4 1/2] tpm: devicetree: document properties for cr50 Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2016-07-29 19:30 +0200
    Re: [PATCH v4 1/2] tpm: devicetree: document properties for cr50 Rob Herring <robh@kernel.org> - 2016-07-29 23:50 +0200
  Re: [PATCH v4 1/2] tpm: devicetree: document properties for cr50 Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-08-09 12:10 +0200

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