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Date: Thu, 21 Nov 2013 10:48:37 +0100 From: Linus Walleij <linus.walleij@...aro.org> To: boris brezillon <b.brezillon@...rkiz.com> Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>, Rob Herring <rob.herring@...xeda.com>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Stephen Warren <swarren@...dotorg.org>, Ian Campbell <ian.campbell@...rix.com>, Russell King <linux@....linux.org.uk>, Nicolas Ferre <nicolas.ferre@...el.com>, Joachim Eastwood <manabian@...il.com>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org> Subject: Re: [PATCH 5/9] ARM: at91/dt: add mmc0 slot0 support to at91rm9200ek board On Wed, Nov 20, 2013 at 5:14 PM, boris brezillon <b.brezillon@...rkiz.com> wrote: > On 20/11/2013 15:59, Jean-Christophe PLAGNIOL-VILLARD wrote: >> On 13:06 Wed 28 Aug , Boris BREZILLON wrote: >>> mmc0_slot0_switch-0 { >>> + atmel,pins = >>> + <AT91_PIOB 22 >>> AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT | AT91_PINCTRL_OUTPUT_VAL(1))>; >>> + }; >> >> nack this is a regulator the pinctrl API is not done for gpio default >> value > > I know this can be represented as a regulator, but looking at the datasheet, > this looks more like a switch than a regulator. No matter whether it's a switch or a GPIO regulator it seems we are in violent agreement that it should not be controlled by the pin control states at least. Start with making it a GPIO then you can figure out whether a GPIO regulator or drivers/extcon/extcon-gpio.c should be used. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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