On 02/19/2019 09:36 AM, Vignesh R (by way of Boris Brezillon <bbrezillon@xxxxxxxxxx>) wrote: > Add driver for Hyperbus memory controller on TI's AM654 SoC. Programming > IP is pretty simple and provides direct memory mapped access to > connected Flash devices. > > Add basic support for the IP without DMA. Second ChipSelect is not > supported for now. > > Signed-off-by: Vignesh R <vigneshr@xxxxxx> > --- > drivers/mtd/hyperbus/hbmc_am654.c | 105 ++++++++++++++++++++++++++++++ > 1 file changed, 105 insertions(+) > create mode 100644 drivers/mtd/hyperbus/hbmc_am654.c > > diff --git a/drivers/mtd/hyperbus/hbmc_am654.c b/drivers/mtd/hyperbus/hbmc_am654.c > new file mode 100644 > index 000000000000..1f0d2dc52f9f > --- /dev/null > +++ b/drivers/mtd/hyperbus/hbmc_am654.c > @@ -0,0 +1,105 @@ > +// SPDX-License-Identifier: GPL-2.0 > +// > +// Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/ > +// Author: Vignesh R <vigneshr@xxxxxx> > + > +#include <linux/err.h> > +#include <linux/kernel.h> > +#include <linux/module.h> > +#include <linux/mtd/hyperbus.h> > +#include <linux/mtd/mtd.h> > +#include <linux/of.h> > +#include <linux/platform_device.h> > +#include <linux/pm_runtime.h> > +#include <linux/types.h> > + > +struct am654_hbmc_priv { > + struct hb_device hbdev; > + void __iomem *regbase; Isn't regbase a controller's data, not a slave device's? [...] MBR, Sergei
