Re: [PATCH v2] arm64: dts: freescale: imx8mp-phyboard-pollux: Add and enable TPM

Krzysztof Kozlowski
2024-08-08T10:27:07Z

On 07/08/2024 17:18, Benjamin Hahn wrote:
> Add support for TPM for phyBOARD Pollux.
>
> Signed-off-by: Benjamin Hahn <B.Hahn@phytec.de>
> ---
> Changes in v2:
> - renamed tpm node to tpm@0
> - removed num-cs
> - cleanup pinctrl
> - Link to v1: https://lore.kernel.org/r/20240805-imx8mp-tpm-v1-1-1e89f0268999@phytec.de
> ---
> .../dts/freescale/imx8mp-phyboard-pollux-rdk.dts | 26 ++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
> index 00a240484c25..0e8200413557 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
> @@ -103,6 +103,23 @@ reg_vcc_3v3_sw: regulator-vcc-3v3-sw {
> };
> };
>
> +/* TPM */
> +&ecspi1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ecspi1>;
> + status = "okay";
> +
> + tpm: tpm@0 {
> + compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
> + reg = <0>;
> + spi-max-frequency = <38000000>;
> + status = "okay";

Did you disabled it anywhere?

Best regards,
Krzysztof