[PATCH U-Boot v2019.04-aspeed-openbmc 6/6] ast2600: Add GPIO controller and hog TPM reset pin

[Andrew Jeffery]

On Tue, 25 Jan 2022, at 05:45, Eddie James wrote:
> Hog the GPIO pin to reset the TPM.
>
> Signed-off-by: Eddie James <eajames at linux.ibm.com>
> ---
>  arch/arm/dts/ast2600-rainier.dts | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/arch/arm/dts/ast2600-rainier.dts b/arch/arm/dts/ast2600-rainier.dts
> index aae507b4c2..d0e82d1512 100755
> --- a/arch/arm/dts/ast2600-rainier.dts
> +++ b/arch/arm/dts/ast2600-rainier.dts
> @@ -108,3 +108,14 @@
>  	u-boot,dm-pre-reloc;
>  	status = "okay";
>  };
> +
> +&gpio0 {
> +	u-boot,dm-pre-reloc;
> +
> +	tpm_reset {
> +		u-boot,dm-pre-reloc;

Do we need this in the hog node? Seems like it's only necessary in controller nodes.

> +		gpio-hog;
> +		output-high;
> +		gpios = <ASPEED_GPIO(R, 0) GPIO_ACTIVE_HIGH>;
> +	};
> +};
> -- 
> 2.27.0