linux-kernel - Re: [RFC PATCH v6 2/2] nvmem: Add Vybrid OCOTP and OCROM support

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Date:	Tue, 23 Jun 2015 21:31:41 +0200 (CEST)
From:	Stefan Wahren <stefan.wahren@...e.com>
To:	srinivas.kandagatla@...aro.org,
	Sanchayan Maity <maitysanchayan@...il.com>,
	maxime.ripard@...e-electrons.com,
	linux-arm-kernel@...ts.infradead.org
Cc:	stefan@...er.ch, kernel@...gutronix.de,
	linux-kernel@...r.kernel.org, shawn.guo@...aro.org, arnd@...db.de
Subject: Re: [RFC PATCH v6 2/2] nvmem: Add Vybrid OCOTP and OCROM support

Hi Sanchayan,

> Sanchayan Maity <maitysanchayan@...il.com> hat am 23. Juni 2015 um 15:44
> geschrieben:
>
>
> The patch adds support for the On Chip One Time Programmable Peripheral
> (OCOTP) and On Chip ROM (OCROM) support.
>
> On Vybrid OCOTP contain data like SoC ID, MAC address and OCROM has the
> revision ID.
>
> Signed-off-by: Sanchayan Maity <maitysanchayan@...il.com>
> ---
> drivers/nvmem/Kconfig | 11 +++++++++
> drivers/nvmem/Makefile | 2 ++
> drivers/nvmem/vf610-ocotp.c | 60 +++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 73 insertions(+)
> create mode 100644 drivers/nvmem/vf610-ocotp.c
>
> diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig
> index 17f1a57..557c1e0 100644
> --- a/drivers/nvmem/Kconfig
> +++ b/drivers/nvmem/Kconfig
> @@ -33,4 +33,15 @@ config NVMEM_SUNXI_SID
> This driver can also be built as a module. If so, the module
> will be called eeprom-sunxi-sid.
>
> +config NVMEM_VF610_OCOTP
> + tristate "VF610 SoCs OCOTP support"
> + depends on SOC_VF610
> + select REGMAP_MMIO

how do you come to the conclusion that Vybrid On-Chip OTP is accessable via
MMIO?

Regards
Stefan
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