alistair23-linux/Documentation/devicetree/bindings/security/tpm/tpm_tis_spi.txt
Rob Herring 4da722ca19 dt-bindings: Remove "status" from examples
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>
2017-09-05 10:03:06 -05:00

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Required properties:
- compatible: should be one of the following
"st,st33htpm-spi"
"infineon,slb9670"
"tcg,tpm_tis-spi"
- spi-max-frequency: Maximum SPI frequency (depends on TPMs).
Optional SoC Specific Properties:
- pinctrl-names: Contains only one value - "default".
- pintctrl-0: Specifies the pin control groups used for this controller.
Example (for ARM-based BeagleBoard xM with TPM_TIS on SPI4):
&mcspi4 {
tpm_tis@0 {
compatible = "tcg,tpm_tis-spi";
spi-max-frequency = <10000000>;
};
};