Re: [PATCH v4 09/15] tpm/tpm_i2c_stm_st33/dts/st33zp24_i2c: Add DTS Documentation

["Peter Hüwe" <PeterHuewe-Mmb7MZpHnFY@public.gmane.org>]

Hi,

can I get an ACK from the device tree gurus?

Am Sonntag, 19. Oktober 2014, 23:11:19 schrieb Christophe Ricard:
> st33zp24 tpm can be seen as a trivial i2c device as other i2c tpm.
> However several other properties needs to be documented such as lpcpd.
> 
> Reviewed-By: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
> Signed-off-by: Christophe Ricard <christophe-h.ricard-qxv4g6HH51o@public.gmane.org>
> ---
>  .../devicetree/bindings/security/tpm/st33zp24.txt  | 36
> ++++++++++++++++++++++ 1 file changed, 36 insertions(+)
>  create mode 100644
> Documentation/devicetree/bindings/security/tpm/st33zp24.txt
> 
> diff --git a/Documentation/devicetree/bindings/security/tpm/st33zp24.txt
> b/Documentation/devicetree/bindings/security/tpm/st33zp24.txt new file
> mode 100644
> index 0000000..eb48222
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/security/tpm/st33zp24.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 vps must 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 = <0x013>;
> +                clock-frequency = <400000>;
> +
> +                interrupt-parent = <&gpio5>;
> +                interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
> +
> +                lpcpd-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>;
> +        };
> +};


Thanks,
Peter
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