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author | Sascha Hauer <s.hauer@pengutronix.de> | 2019-12-19 05:46:54 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-12-19 05:46:54 +0100 |
commit | 574eed3f6fcf056aa4c9e46c4b5224e3f7844d8d (patch) | |
tree | 3fbe9ed379bc0d6c536860845e85a4ede4b36bbc /dts/Bindings/security/tpm | |
parent | 179dedbc6d85d7ea7c8013513b364a75f32943e8 (diff) | |
download | barebox-574eed3f6fcf056aa4c9e46c4b5224e3f7844d8d.tar.gz barebox-574eed3f6fcf056aa4c9e46c4b5224e3f7844d8d.tar.xz |
dts: update to v5.5-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/security/tpm')
-rw-r--r-- | dts/Bindings/security/tpm/google,cr50.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/dts/Bindings/security/tpm/google,cr50.txt b/dts/Bindings/security/tpm/google,cr50.txt new file mode 100644 index 0000000000..cd69c2efdd --- /dev/null +++ b/dts/Bindings/security/tpm/google,cr50.txt @@ -0,0 +1,19 @@ +* 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 { + tpm@0 { + compatible = "google,cr50"; + reg = <0>; + spi-max-frequency = <800000>; + }; +}; |