Message-ID: <91bfc10a-afd8-3bdd-2cbb-b881f2f33066@linaro.org>
Date:   Thu, 2 Feb 2023 17:25:43 +0100
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Subject: Re: [PATCH 1/4] dt-bindings: tpm: Add compatible for Tegra TPM
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To:     Krishna Yarlagadda <kyarlagadda@nvidia.com>, robh+dt@kernel.org,
        broonie@kernel.org, peterhuewe@gmx.de, jgg@ziepe.ca,
        jarkko@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        linux-spi@vger.kernel.org, linux-tegra@vger.kernel.org,
        linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     thierry.reding@gmail.com, jonathanh@nvidia.com,
        skomatineni@nvidia.com, ldewangan@nvidia.com
References: <20230202161750.21210-1-kyarlagadda@nvidia.com>
 <20230202161750.21210-2-kyarlagadda@nvidia.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20230202161750.21210-2-kyarlagadda@nvidia.com>
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On 02/02/2023 17:17, Krishna Yarlagadda wrote:
> Tegra234 and Tegra241 devices have QSPI controller that supports TPM
> devices. Since the controller only supports half duplex, sw wait polling
> method implemented in tpm_tis_spi does not suffice. Wait polling as per
> protocol is a hardware feature.
> 
> Add compatible for Tegra TPM driver with hardware flow control.

Sorry, new bindings only in DT schema.

see Documentation/devicetree/bindings/writing-schema.rst for instructions.

Best regards,
Krzysztof