From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexander.stein@systec-electronic.com (Alexander Stein) Date: Mon, 01 Dec 2014 11:40:03 +0100 Subject: [PATCH v3 05/11] memory: add Atmel EBI (External Bus Interface) driver In-Reply-To: <1417429647-3419-6-git-send-email-boris.brezillon@free-electrons.com> References: <1417429647-3419-1-git-send-email-boris.brezillon@free-electrons.com> <1417429647-3419-6-git-send-email-boris.brezillon@free-electrons.com> Message-ID: <19172687.eVxczUuuhC@ws-stein> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Boris, On Monday 01 December 2014 11:27:21, Boris Brezillon wrote: > The EBI (External Bus Interface) is used to access external peripherals > (NOR, SRAM, NAND, and other specific devices like ethernet controllers). > Each device is assigned a CS line and an address range and can have its > own configuration (timings, access mode, bus width, ...). > This driver provides a generic DT binding to configure a device according > to its requirements. > For specific device controllers (like the NAND one) the SMC timings > should be configured by the controller driver through the matrix and > smc syscon regmaps. > > Signed-off-by: Jean-Jacques Hiblot > Signed-off-by: Boris Brezillon > --- > drivers/memory/Kconfig | 11 + > drivers/memory/Makefile | 1 + > drivers/memory/atmel-ebi.c | 627 +++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 639 insertions(+) > create mode 100644 drivers/memory/atmel-ebi.c While I like this feature, shouldn't this driver go to drivers/bus/ like the imx-weim driver? The latter one does the same, so I wonder why one is in drivers/bus while the other is in drivers/memory. Best regards, Alexander -- Dipl.-Inf. Alexander Stein SYS TEC electronic GmbH Am Windrad 2 08468 Heinsdorfergrund Tel.: 03765 38600-1156 Fax: 03765 38600-4100 Email: alexander.stein at systec-electronic.com Website: www.systec-electronic.com Managing Director: Dipl.-Phys. Siegmar Schmidt Commercial registry: Amtsgericht Chemnitz, HRB 28082