linux_dsm_epyc7002/Documentation/devicetree/bindings/security/tpm/st33zp24-i2c.txt
Rob Herring 791d3ef2e1 dt-bindings: remove 'interrupt-parent' from bindings
'interrupt-parent' is often documented as part of define bindings, but
it is really outside the scope of a device binding. It's never required
in a given node as it is often inherited from a parent node. Or it can
be implicit if a parent node is an 'interrupt-controller' node. So
remove it from all the binding files.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2018-07-25 14:09:39 -06:00

35 lines
995 B
Plaintext

* 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:
- 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 {
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>;
};
};