linux-kernel - Re: [RFC PATCH v2 3/5] rtc: add qpnp rtc driver

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Date:	Wed, 09 Jul 2014 11:07:29 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Stanimir Varbanov <svarbanov@...sol.com>
CC:	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, Rob Herring <rob.herring@...xeda.com>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	Courtney Cavin <courtney.cavin@...ymobile.com>,
	Lee Jones <lee.jones@...aro.org>,
	Josh Cartwright <joshc@...eaurora.org>
Subject: Re: [RFC PATCH v2 3/5] rtc: add qpnp rtc driver

On 07/03/14 06:14, Stanimir Varbanov wrote:
> A 32bits RTC is housed inside PMIC. The RTC driver uses QPNP
> SPMI interface to communicate with the PMIC RTC module.
>
> The RTC device is divided into two sub-peripherals:
>  - RTC read-write peripheral having basic RTC registers
>  - alarm peripheral for controlling alarm
>
> These two RTC peripherals are childrens of QPNP SPMI bus. They
> use regmap to read/write to its registers into PMIC.
>

What happened to using Josh's patch for rtc-pm8xxx.c[1]? That seems
easier than adding an entire new driver for almost the same hardware.

[1]
http://lists.infradead.org/pipermail/linux-arm-kernel/2013-October/207665.html

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