Hi, On Fri, Oct 30, 2015 at 10:20 PM, Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote: > The A10 SoCs and its relatives has a special clock controller to drive the > display engines (both frontend and backend). > > Add a driver for it. > > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> > --- > drivers/clk/sunxi/Makefile | 1 + > drivers/clk/sunxi/clk-sun4i-display.c | 199 ++++++++++++++++++++++++++++++++++ > 2 files changed, 200 insertions(+) > create mode 100644 drivers/clk/sunxi/clk-sun4i-display.c > > diff --git a/drivers/clk/sunxi/Makefile b/drivers/clk/sunxi/Makefile > index cb4c299214ce..a9e1a5885846 100644 > --- a/drivers/clk/sunxi/Makefile > +++ b/drivers/clk/sunxi/Makefile > @@ -9,6 +9,7 @@ obj-y += clk-a10-mod1.o > obj-y += clk-a10-pll2.o > obj-y += clk-a20-gmac.o > obj-y += clk-mod0.o > +obj-y += clk-sun4i-display.o > obj-y += clk-simple-gates.o > obj-y += clk-sun8i-mbus.o > obj-y += clk-sun9i-core.o > diff --git a/drivers/clk/sunxi/clk-sun4i-display.c b/drivers/clk/sunxi/clk-sun4i-display.c > new file mode 100644 > index 000000000000..f13b095c6d7a > --- /dev/null > +++ b/drivers/clk/sunxi/clk-sun4i-display.c > @@ -0,0 +1,199 @@ > +/* > + * Copyright 2015 Maxime Ripard > + * > + * Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + */ > + > +#include <linux/clk-provider.h> > +#include <linux/of_address.h> > +#include <linux/reset-controller.h> > +#include <linux/slab.h> > +#include <linux/spinlock.h> > + > +#define SUN4I_A10_DISPLAY_PARENTS 3 Can we change this to 4, so we can reuse this for TCON clocks on sun4i/sun7i? Thanks ChenYu > +#define SUN4I_A10_DISPLAY_GATE_BIT 31 > +#define SUN4I_A10_DISPLAY_RESET_BIT 30 > +#define SUN4I_A10_DISPLAY_MUX_MASK 3 > +#define SUN4I_A10_DISPLAY_MUX_SHIFT 24 > +#define SUN4I_A10_DISPLAY_DIV_WIDTH 4 > +#define SUN4I_A10_DISPLAY_DIV_SHIFT 0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
