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* dt-bindings: tpm: document properties for cr50Andrey Pronin2019-11-121-0/+19
| | | | | | | | | | | | | | | | | | | Add TPM2.0 PTP FIFO compatible SPI interface for chips with Cr50 firmware. Cc: Andrey Pronin <apronin@chromium.org> Cc: Duncan Laurie <dlaurie@chromium.org> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Guenter Roeck <groeck@chromium.org> Cc: Alexander Steffen <Alexander.Steffen@infineon.com> Cc: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Andrey Pronin <apronin@chromium.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Acked-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
* dt-bindings: remove 'interrupt-parent' from bindingsRob Herring2018-07-253-3/+1
| | | | | | | | | | | | 'interrupt-parent' is often documented as part of define bindings, but it is really outside the scope of a device binding. It's never required in a given node as it is often inherited from a parent node. Or it can be implicit if a parent node is an 'interrupt-controller' node. So remove it from all the binding files. Cc: Mark Rutland <mark.rutland@arm.com> Cc: devicetree@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
* Merge branch 'next-tpm' of ↵Linus Torvalds2017-09-241-0/+6
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull TPM updates from James Morris: "Here are the TPM updates from Jarkko for v4.14, which I've placed in their own branch (next-tpm). I ended up cherry-picking them as other changes had been made in Jarkko's branch after he sent me his original pull request. I plan on maintaining a separate branch for TPM (and other security subsystems) from now on. From Jarkko: 'Not much this time except a few fixes'" * 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: tpm: ibmvtpm: simplify crq initialization and document crq format tpm: replace msleep() with usleep_range() in TPM 1.2/2.0 generic drivers Documentation: tpm: add powered-while-suspended binding documentation tpm: tpm_crb: constify acpi_device_id. tpm: vtpm: constify vio_device_id
| * Documentation: tpm: add powered-while-suspended binding documentationEnric Balletbo i Serra2017-09-241-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | Add a new powered-while-suspended property to control the behavior of the TPM suspend/resume. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Sonny Rao <sonnyrao@chromium.org> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: James Morris <james.l.morris@oracle.com>
* | dt-bindings: Remove "status" from examplesRob Herring2017-09-054-4/+0
|/ | | | | | | | | | | | | Pretty much any node can have a status property, so it doesn't need to be in examples. Converted with the following command and removed examples with SoC and board specific splits: git grep -l -E 'status.*=.*' Documentation/devicetree/ | xargs sed -i -E '/\sstatus.*=.*"(disabled|ok|okay)/d' Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Rob Herring <robh@kernel.org>
* tpm_tis: Allow tpm_tis to be bound using DTJason Gunthorpe2016-11-281-0/+25
| | | | | | | | | | | | This provides an open firwmare driver binding for tpm_tis. OF is useful on arches where ACPI/PNP is not used. The tcg,tpm-tis-mmio register map interface is specified by the TCG. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
* Documentation: tpm: add the Physical TPM device tree binding documentationNayna Jain2016-11-281-0/+21
| | | | | | | | | | | | | | Newly added support of TPM 2.0 eventlog securityfs pseudo files in tpm device driver consumes device tree bindings representing I2C based Physical TPM. This patch adds the documentation for corresponding device tree bindings of I2C based Physical TPM. These bindings are similar to vtpm device tree bindings being used on IBM Power7+ and Power8 Systems running PowerVM. Suggested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Nayna Jain <nayna@linux.vnet.ibm.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
* Documentation: tpm: add the IBM Virtual TPM device tree binding documentationNayna Jain2016-11-281-0/+41
| | | | | | | | | | | | Virtual TPM, which is being used on IBM POWER7+ and POWER8 systems running POWERVM, is currently supported by tpm device driver but lacks the documentation. This patch adds the missing documentation for the existing support. Suggested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Nayna Jain <nayna@linux.vnet.ibm.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
* tpm/tpm_tis_spi: Add support for spi phyChristophe Ricard2016-06-251-0/+24
| | | | | | | | | | | | | | | | | | | | | Spi protocol standardized by the TCG is now supported by most of TPM vendors. It supports SPI Bit Protocol as describe in the TCG PTP specification (chapter 6.4.6 SPI Bit Protocol). Irq mode is not supported. This commit is based on the initial work by Peter Huewe. Signed-off-by: Peter Huewe <peter.huewe@infineon.com> Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com> Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Tested-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
* tpm/st33zp24/dts/st33zp24-spi: Add dts documentation for st33zp24 spi phyChristophe Ricard2015-03-181-0/+34
| | | | | | Reviewed-by: Jason Gunthorpe <jason.gunthorpe@obsidianresearch.com> Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
* tpm/tpm_i2c_stm_st33/dts/st33zp24-i2c: Rename st33zp24 dts documentationChristophe Ricard2015-01-171-1/+1
| | | | | | | | | | | st33zp24 exists in i2c and spi version. Both have different possible configuration. st33zp24.txt is renamed st33zp24-i2c.txt. Reviewed-by: Jason Gunthorpe <jason.gunthorpe@obsidianresearch.com> Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Reviewed-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
* tpm/tpm_i2c_stm_st33/dts/st33zp24_i2c: Add DTS DocumentationChristophe Ricard2015-01-171-0/+36
st33zp24 tpm can be seen as a trivial i2c device as other i2c tpm. However several other properties needs to be documented such as lpcpd. Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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