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>
diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c
index 2cae16c..46a0513 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 @@
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 @@
{
l2x0_of_init(0, ~0UL);
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ of_clk_init(NULL);
socfpga_init_clocks();
}