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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <6e511f04-7f93-49ad-8cf7-336a6bac7d31@phytec.de>
Date: Fri, 9 Aug 2024 07:11:14 +0000
From: Benjamin Hahn <B.Hahn@...tec.de>
To: Krzysztof Kozlowski <krzk@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam
	<festevam@...il.com>, Teresa Remmet <T.Remmet@...tec.de>
CC: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] arm64: dts: freescale: imx8mp-phyboard-pollux: Add and
 enable TPM

On 08.08.24 12:27, Krzysztof Kozlowski wrote:
> On 07/08/2024 17:18, Benjamin Hahn wrote:
>> Add support for TPM for phyBOARD Pollux.
>>
>> Signed-off-by: Benjamin Hahn <B.Hahn@...tec.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?

No, we don't disable it anywhere at the moment.

Benjamin

>
> Best regards,
> Krzysztof
>