[PATCH u-boot v2019.04-aspeed-openbmc 3/5] arm: dts: ast2600-rainier: Add NPCT75X TPM
Joel Stanley
joel at jms.id.au
Tue May 10 12:44:58 AEST 2022
On Thu, 5 May 2022 at 20:28, Eddie James <eajames at linux.ibm.com> wrote:
>
> Add the TPM device on I2C bus 12.
What happens when a board doesn't have a TPM attached to this bus?
>
> Signed-off-by: Eddie James <eajames at linux.ibm.com>
> ---
> arch/arm/dts/ast2600-rainier.dts | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/dts/ast2600-rainier.dts b/arch/arm/dts/ast2600-rainier.dts
> index 8a44fd8a0a..aa91b12ed3 100755
> --- a/arch/arm/dts/ast2600-rainier.dts
> +++ b/arch/arm/dts/ast2600-rainier.dts
> @@ -106,12 +106,14 @@
>
> &gpio0 {
> u-boot,dm-pre-reloc;
> +};
> +
> +&i2c12 {
> + status = "okay";
>
> - tpm_reset {
> - u-boot,dm-pre-reloc;
> - gpio-hog;
> - output-high;
> - gpios = <ASPEED_GPIO(R, 0) GPIO_ACTIVE_HIGH>;
> + tpm at 2e {
> + compatible = "nuvoton,npct75x";
> + reg = <0x2e>;
> };
> };
>
> --
> 2.27.0
>
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