From: Andrey Pronin <apronin@chromium.org> To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Cc: Peter Huewe <peterhuewe@gmx.de>, Marcel Selhorst <tpmdd@selhorst.net>, Jason Gunthorpe <jgunthorpe@obsidianresearch.com>, tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Christophe Ricard <christophe.ricard@gmail.com>, dtor@chromium.org, smbarber@chromium.org, dianders@chromium.org, Andrey Pronin <apronin@chromium.org>, Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Kumar Gala <galak@codeaurora.org>, devicetree@vger.kernel.org Subject: [PATCH v4 1/2] tpm: devicetree: document properties for cr50 Date: Thu, 28 Jul 2016 18:55:13 -0700 [thread overview] Message-ID: <1469757314-116169-2-git-send-email-apronin@chromium.org> (raw) In-Reply-To: <1469757314-116169-1-git-send-email-apronin@chromium.org> In-Reply-To: <1468549218-19215-1-git-send-email-apronin@chromium.org> Add TPM2.0 PTP FIFO compatible SPI interface for chips with Cr50 firmware. Signed-off-by: Andrey Pronin <apronin@chromium.org> --- .../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
WARNING: multiple messages have this Message-ID (diff)
From: Andrey Pronin <apronin-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> To: Jarkko Sakkinen <jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Christophe Ricard <christophe.ricard-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>, Ian Campbell <ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, smbarber-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>, dtor-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org Subject: [PATCH v4 1/2] tpm: devicetree: document properties for cr50 Date: Thu, 28 Jul 2016 18:55:13 -0700 [thread overview] Message-ID: <1469757314-116169-2-git-send-email-apronin@chromium.org> (raw) In-Reply-To: <1469757314-116169-1-git-send-email-apronin-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> In-Reply-To: <1468549218-19215-1-git-send-email-apronin-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> Add TPM2.0 PTP FIFO compatible SPI interface for chips with Cr50 firmware. Signed-off-by: Andrey Pronin <apronin-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> --- .../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 ------------------------------------------------------------------------------
next prev parent reply other threads:[~2016-07-29 1:55 UTC|newest] Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-07-15 2:20 [PATCH 0/2] tpm: add driver for cr50 on SPI Andrey Pronin 2016-07-15 2:20 ` [PATCH 1/2] tpm: devicetree: document properties for cr50 Andrey Pronin 2016-07-15 2:20 ` Andrey Pronin 2016-07-15 4:05 ` Guenter Roeck 2016-07-15 17:31 ` Andrey Pronin 2016-07-15 17:31 ` Andrey Pronin 2016-07-15 18:28 ` Guenter Roeck 2016-07-15 18:28 ` Guenter Roeck 2016-07-17 13:28 ` Rob Herring 2016-07-17 13:28 ` Rob Herring 2016-07-15 2:20 ` [PATCH 2/2] tpm: add driver for cr50 on SPI Andrey Pronin 2016-07-15 2:20 ` Andrey Pronin 2016-07-15 3:32 ` Jason Gunthorpe 2016-07-15 3:32 ` Jason Gunthorpe 2016-07-15 3:44 ` Andrey Pronin 2016-07-15 3:44 ` Andrey Pronin 2016-07-19 12:55 ` Jarkko Sakkinen 2016-07-19 12:55 ` Jarkko Sakkinen 2016-07-20 0:24 ` Andrey Pronin 2016-07-20 0:24 ` Andrey Pronin 2016-07-20 17:03 ` Jason Gunthorpe 2016-07-20 17:03 ` Jason Gunthorpe 2016-07-21 18:10 ` Andrey Pronin 2016-07-21 18:10 ` Andrey Pronin 2016-07-21 21:00 ` Jason Gunthorpe 2016-07-21 21:00 ` Jason Gunthorpe 2016-07-15 2:28 ` [PATCH 0/2] " Peter Huewe 2016-07-15 2:28 ` Peter Huewe 2016-07-15 2:50 ` Andrey Pronin 2016-07-15 3:28 ` Jason Gunthorpe 2016-07-15 3:28 ` Jason Gunthorpe 2016-07-15 17:15 ` Andrey Pronin 2016-07-15 17:15 ` Andrey Pronin 2016-07-19 12:56 ` Jarkko Sakkinen 2016-07-20 3:41 ` [PATCH v2 " Andrey Pronin 2016-07-20 3:41 ` Andrey Pronin 2016-07-20 3:41 ` [PATCH v2 1/2] tpm: devicetree: document properties for cr50 Andrey Pronin 2016-07-20 3:41 ` Andrey Pronin 2016-07-20 19:03 ` Rob Herring 2016-07-20 19:49 ` Andrey Pronin 2016-07-20 19:49 ` Andrey Pronin 2016-07-20 19:54 ` Jason Gunthorpe 2016-07-20 19:54 ` Jason Gunthorpe 2016-07-27 21:02 ` Andrey Pronin 2016-07-27 21:02 ` Andrey Pronin 2016-07-21 21:03 ` Rob Herring 2016-07-21 21:03 ` Rob Herring 2016-07-27 21:00 ` Andrey Pronin 2016-07-27 21:00 ` Andrey Pronin 2016-07-20 3:41 ` [PATCH v2 2/2] tpm: add driver for cr50 on SPI Andrey Pronin 2016-07-20 3:41 ` Andrey Pronin 2016-07-25 17:09 ` Aw: [PATCH v2 0/2] " Peter Huewe 2016-07-25 17:09 ` Peter Huewe 2016-07-27 21:12 ` Andrey Pronin 2016-07-28 4:25 ` [PATCH v3 " Andrey Pronin 2016-07-28 4:25 ` Andrey Pronin 2016-07-28 4:25 ` [PATCH v3 1/2] tpm: devicetree: document properties for cr50 Andrey Pronin 2016-07-28 4:25 ` Andrey Pronin 2016-07-28 4:25 ` [PATCH v3 2/2] tpm: add driver for cr50 on SPI Andrey Pronin 2016-07-28 4:25 ` Andrey Pronin 2016-07-28 23:01 ` Dmitry Torokhov 2016-07-28 23:17 ` Jason Gunthorpe 2016-07-28 23:17 ` Jason Gunthorpe 2016-07-29 3:01 ` Andrey Pronin 2016-07-29 3:01 ` Andrey Pronin 2016-07-29 1:55 ` [PATCH v4 0/2] " Andrey Pronin 2016-07-29 1:55 ` Andrey Pronin 2016-07-29 1:55 ` Andrey Pronin [this message] 2016-07-29 1:55 ` [PATCH v4 1/2] tpm: devicetree: document properties for cr50 Andrey Pronin 2016-07-29 17:27 ` Jason Gunthorpe 2016-07-29 17:27 ` Jason Gunthorpe 2016-07-29 21:42 ` Rob Herring 2016-07-29 21:42 ` Rob Herring 2016-08-09 10:08 ` Jarkko Sakkinen 2016-08-09 10:08 ` Jarkko Sakkinen 2016-07-29 1:55 ` [PATCH v4 2/2] tpm: add driver for cr50 on SPI Andrey Pronin 2016-07-29 1:55 ` Andrey Pronin 2016-08-09 10:20 ` Jarkko Sakkinen
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