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authorDinh Nguyen <dinguyen@altera.com>2013-04-11 19:55:26 +0400
committerOlof Johansson <olof@lixom.net>2013-04-15 07:18:13 +0400
commit56c5c13f7080f9299a92b3fb6a1bf22689d607cc (patch)
tree2d2c1570166abefb89e0c6a85810308790e4e4a8 /arch/arm/mach-socfpga
parent042000b00344dbf25db2919c97cbd09be99ecf93 (diff)
downloadlinux-56c5c13f7080f9299a92b3fb6a1bf22689d607cc.tar.xz
ARM: socfpga: Upgrade clk driver for socfpga to make use of dts clock entries
With this patch, the socfpga clk driver is able to query the clock and clock rates appropriately. Signed-off-by: Dinh Nguyen <dinguyen@altera.com> Reviewed-by: Pavel Machek <pavel@denx.de> Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-socfpga')
-rw-r--r--arch/arm/mach-socfpga/socfpga.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c
index 2cae16c1f265..46a051359f02 100644
--- a/arch/arm/mach-socfpga/socfpga.c
+++ b/arch/arm/mach-socfpga/socfpga.c
@@ -15,6 +15,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/dw_apb_timer.h>
+#include <linux/clk-provider.h>
#include <linux/irqchip.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
@@ -29,6 +30,7 @@
void __iomem *socfpga_scu_base_addr = ((void __iomem *)(SOCFPGA_SCU_VIRT_BASE));
void __iomem *sys_manager_base_addr;
void __iomem *rst_manager_base_addr;
+void __iomem *clk_mgr_base_addr;
unsigned long cpu1start_addr;
static struct map_desc scu_io_desc __initdata = {
@@ -77,6 +79,9 @@ void __init socfpga_sysmgr_init(void)
np = of_find_compatible_node(NULL, NULL, "altr,rst-mgr");
rst_manager_base_addr = of_iomap(np, 0);
+
+ np = of_find_compatible_node(NULL, NULL, "altr,clk-mgr");
+ clk_mgr_base_addr = of_iomap(np, 0);
}
static void __init socfpga_init_irq(void)
@@ -102,6 +107,7 @@ static void __init socfpga_cyclone5_init(void)
{
l2x0_of_init(0, ~0UL);
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ of_clk_init(NULL);
socfpga_init_clocks();
}