[U-Boot] [PATCH v3 19/25] doc: device-tree-bindings: add ST33TPHF20 TPMv2.0 module info
Miquel Raynal
miquel.raynal at bootlin.com
Wed May 2 08:59:28 UTC 2018
Add ST33TPHF20 TPMv2.0 module bindings.
Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
---
doc/device-tree-bindings/tpm2/st33tphf20-spi.txt | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 doc/device-tree-bindings/tpm2/st33tphf20-spi.txt
diff --git a/doc/device-tree-bindings/tpm2/st33tphf20-spi.txt b/doc/device-tree-bindings/tpm2/st33tphf20-spi.txt
new file mode 100644
index 0000000000..95edb74c8a
--- /dev/null
+++ b/doc/device-tree-bindings/tpm2/st33tphf20-spi.txt
@@ -0,0 +1,18 @@
+ST33TPHF20 SPI TPMv2.0 bindings
+-------------------------------
+
+Required properties:
+- compatible : Should be "st,st33tphf20-spi"
+- reg : SPI Chip select
+
+Optional properties:
+- gpio-reset : Reset GPIO (if not connected to the SoC reset line)
+- spi-max-frequency : See spi-bus.txt
+
+Example:
+
+ tpm at 1 {
+ compatible = "st,st33tphf20-spi";
+ reg = <1>;
+ spi-max-frequency = <10000000>;
+ };
--
2.14.1
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