linux-kernel - Re: [PATCH v2 08/15] mfd: max77836: Add max77836 support to max14577 driver

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Message-ID: <20140207104800.GI14727@lee--X1>
Date:	Fri, 7 Feb 2014 10:48:00 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: Re: [PATCH v2 08/15] mfd: max77836: Add max77836 support to max14577
 driver

On Fri, 07 Feb 2014, Krzysztof Kozlowski wrote:

> Add Maxim 77836 support to max14577 driver. The chipsets have same MUIC
> component so the extcon, charger and regulators are almost the same. The
> max77836 however has also PMIC and Fuel Gauge.
> 
> The MAX77836 uses three I2C slave addresses and has additional interrupts
> (related to PMIC and Fuel Gauge). It has also Interrupt Source register,
> just like MAX77686 and MAX77693.
> 
> The MAX77836 PMIC's TOPSYS and INTSRC interrupts are reported in the
> PMIC block. The PMIC block has different I2C slave address and uses own
> regmap so another regmap_irq_chip is needed.
> 
> Since we have two regmap_irq_chip, use shared interrupts on MAX77836.
> 
> This patch adds additional defines and functions to the max14577 MFD core
> driver so the driver will handle both chipsets. Also this patch replaces
> "0x1 << N" with BIT(N) in defines for register masks.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>

This should be a Mainatiner's Ack.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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