diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-03-03 08:11:01 +0100 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-03-03 08:11:01 +0100 |
commit | eaa819409db6ac80fbd7c3d36450b2d1bec93576 (patch) | |
tree | 6cd5e0c7f8abe121af237b701ee9e0e1b6f7e40d /dts/Bindings/security | |
parent | 0c9aadb6185e1d84746b632284bc89e4e4c80cd3 (diff) | |
download | barebox-eaa819409db6ac80fbd7c3d36450b2d1bec93576.tar.gz barebox-eaa819409db6ac80fbd7c3d36450b2d1bec93576.tar.xz |
dts: update to v4.0-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/security')
-rw-r--r-- | dts/Bindings/security/tpm/st33zp24-i2c.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/dts/Bindings/security/tpm/st33zp24-i2c.txt b/dts/Bindings/security/tpm/st33zp24-i2c.txt new file mode 100644 index 0000000000..3ad115efed --- /dev/null +++ b/dts/Bindings/security/tpm/st33zp24-i2c.txt @@ -0,0 +1,36 @@ +* STMicroelectronics SAS. ST33ZP24 TPM SoC + +Required properties: +- compatible: Should be "st,st33zp24-i2c". +- clock-frequency: I²C work frequency. +- reg: address on the bus + +Optional ST33ZP24 Properties: +- interrupt-parent: phandle for the interrupt gpio controller +- interrupts: GPIO interrupt to which the chip is connected +- lpcpd-gpios: Output GPIO pin used for ST33ZP24 power management D1/D2 state. +If set, power must be present when the platform is going into sleep/hibernate mode. + +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 ST33ZP24 on I2C2): + +&i2c2 { + + status = "okay"; + + st33zp24: st33zp24@13 { + + compatible = "st,st33zp24-i2c"; + + reg = <0x13>; + clock-frequency = <400000>; + + interrupt-parent = <&gpio5>; + interrupts = <7 IRQ_TYPE_LEVEL_HIGH>; + + lpcpd-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>; + }; +}; |