From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- .../bindings/security/tpm/tpm_tis_spi.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 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..b800667da --- /dev/null +++ b/Documentation/devicetree/bindings/security/tpm/tpm_tis_spi.txt @@ -0,0 +1,23 @@ +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>; + }; +}; -- cgit v1.2.3