ARM: shmobile: r8a7779: Generic CCF and timer support

Add a r8a7779-specific callback to initialize CCF and
clocksources. With this in place we are one step closer
to be able to use r8a7779 without C board code.

Also add a multiplatform wrapper to avoid breaking the
r8a7779 marzen legacy case.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index c03e562be12b17600e3492dc755a86449a222615..5625fd1c89c07049a094cb7966a46a3d2a15cbf8 100644 (file)
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -14,6 +14,8 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */
+#include <linux/clk/shmobile.h>
+#include <linux/clocksource.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
@@ -756,6 +758,14 @@ u32 __init r8a7779_read_mode_pins(void)
        return mode;
 }
 
+#ifdef CONFIG_ARCH_SHMOBILE_MULTI
+
+static void __init r8a7779_init_time(void)
+{
+       r8a7779_clocks_init(r8a7779_read_mode_pins());
+       clocksource_of_init();
+}
+
 static const char *r8a7779_compat_dt[] __initdata = {
        "renesas,r8a7779",
        NULL,
@@ -764,8 +774,10 @@ static const char *r8a7779_compat_dt[] __initdata = {
 DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
        .map_io         = r8a7779_map_io,
        .init_early     = shmobile_init_delay,
+       .init_time      = r8a7779_init_time,
        .init_irq       = r8a7779_init_irq_dt,
        .init_late      = shmobile_init_late,
        .dt_compat      = r8a7779_compat_dt,
 MACHINE_END
+#endif /* CONFIG_ARCH_SHMOBILE_MULTI */
 #endif /* CONFIG_USE_OF */