From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- .../bindings/security/tpm/tpm_tis_spi.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/security/tpm/tpm_tis_spi.txt (limited to 'Documentation/devicetree/bindings/security/tpm/tpm_tis_spi.txt') diff --git a/Documentation/devicetree/bindings/security/tpm/tpm_tis_spi.txt b/Documentation/devicetree/bindings/security/tpm/tpm_tis_spi.txt new file mode 100644 index 000000000..85741cd46 --- /dev/null +++ b/Documentation/devicetree/bindings/security/tpm/tpm_tis_spi.txt @@ -0,0 +1,24 @@ +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 { + + status = "okay"; + + tpm_tis@0 { + + compatible = "tcg,tpm_tis-spi"; + + spi-max-frequency = <10000000>; + }; +}; -- cgit v1.2.3-54-g00ecf