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Date: Tue, 12 Dec 2023 17:15:51 +0000
From: Conor Dooley <conor@...nel.org>
To: Ninad Palsule <ninad@...ux.ibm.com>
Cc: robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org, joel@....id.au, andrew@...econstruct.com.au,
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lakshmiy@...ibm.com, bhelgaas@...gle.com,
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Subject: Re: [PATCH v1 7/8] tpm: tis-i2c: Add more compatible strings
On Tue, Dec 12, 2023 at 10:40:03AM -0600, Ninad Palsule wrote:
> From: Joel Stanley <joel@....id.au>
>
> The NPCT75x TPM is TIS compatible. It has an I2C and SPI interface.
>
> https://www.nuvoton.com/products/cloud-computing/security/trusted-platform-module-tpm/
>
> Add a compatible string for it, and the generic compatible.
>
> OpenBMC-Staging-Count: 3
Delete this from every patch that it appears from.
> Signed-off-by: Joel Stanley <joel@....id.au>
> Acked-by: Jarkko Sakkinen <jarkko@...nel.org>
> Link: https://lore.kernel.org/r/20220928043957.2636877-4-joel@jms.id.au
> Signed-off-by: Ninad Palsule <ninad@...ux.ibm.com>
> ---
> drivers/char/tpm/tpm_tis_i2c.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/char/tpm/tpm_tis_i2c.c b/drivers/char/tpm/tpm_tis_i2c.c
> index a897402cc36a..9511c0d50185 100644
> --- a/drivers/char/tpm/tpm_tis_i2c.c
> +++ b/drivers/char/tpm/tpm_tis_i2c.c
> @@ -383,6 +383,8 @@ MODULE_DEVICE_TABLE(i2c, tpm_tis_i2c_id);
> #ifdef CONFIG_OF
> static const struct of_device_id of_tis_i2c_match[] = {
> { .compatible = "infineon,slb9673", },
> + { .compatible = "nuvoton,npct75x", },
> + { .compatible = "tcg,tpm-tis-i2c", },
What's the point of the generic compatible if you are adding the device
specific ones to the driver anyway?
Thanks,
Conor.
> {}
> };
> MODULE_DEVICE_TABLE(of, of_tis_i2c_match);
> --
> 2.39.2
>
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