Hi, On Sat, Oct 31, 2015 at 06:28:16PM +0800, Chen-Yu Tsai wrote: > 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? Good point, I'll change this. Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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