From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Fri, 17 Jan 2014 10:38:09 +0100 Subject: How to support SDIO wifi/bt in DT In-Reply-To: <20140117090214.GA2348@piout.net> References: <20140116133649.GV15937@n2100.arm.linux.org.uk> <3215037.8HVCjAeS8g@wuerfel> <20140117090214.GA2348@piout.net> Message-ID: <52D8FA01.9020609@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 17/01/2014 10:02, Alexandre Belloni : > On Thu, Jan 16, 2014 at 09:15:17AM -0800, Olof Johansson wrote : >> "for SDIO slots" is somewhat misleading; nearly all controllers only >> do one slot/device per controller. The designware controller can do >> multiple slots, and that adds a bit of driver and binding complexity >> for something that seemingly not a single vendor has actually >> implemented. >> >> So we can likely assume to keep these reset/power/clock lines per host >> controller, no need to add a slot construct. >> > > Actually, the atmel chips have two slots per controller so it would > probably be better to think about that now. Moreover, we have DT description for this. Cf. Documentation/devicetree/bindings/mmc/atmel-hsmci.txt Best regards, -- Nicolas Ferre