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2016-05-30ARM: OMAP2+: Update GPMC and NAND DT binding documentationCooper Jr., Franklin
Add additional details to the GPMC NAND documentation to clarify what is needed to enable NAND DMA prefetch. Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-04-15memory: omap-gpmc: Support WAIT pin edge interruptsRoger Quadros
OMAPs can have 2 to 4 WAITPINs that can be used as edge triggered interrupts if not used for memory wait state insertion. Support these interrupts via the gpmc IRQ domain. The gpmc IRQ domain interrupt map is: 0 - NAND_fifoevent 1 - NAND_termcount 2 - GPMC_WAIT0 edge 3 - GPMC_WAIT1 edge, and so on Signed-off-by: Roger Quadros <rogerq@ti.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Tony Lindgren <tony@atomide.com>
2016-04-15memory: omap-gpmc: Support general purpose input for WAITPINsRoger Quadros
OMAPs can have 2 to 4 WAITPINs that can be used as general purpose input if not used for memory wait state insertion. The first user will be the OMAP NAND chip to get the NAND read/busy status using gpiolib. Signed-off-by: Roger Quadros <rogerq@ti.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Tony Lindgren <tony@atomide.com>
2016-04-15memory: omap-gpmc: Move device tree binding to correct locationRoger Quadros
omap-gpmc.c is a memory controller so move the binding to the right place. Signed-off-by: Roger Quadros <rogerq@ti.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Tony Lindgren <tony@atomide.com>