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ARM: socfpga: Upgrade clk driver for socfpga to make use of dts clock entries

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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>
This commit is contained in:
Dinh Nguyen
2013-04-11 10:55:26 -05:00
committed by Olof Johansson
parent 042000b003
commit 56c5c13f70
2 changed files with 153 additions and 26 deletions
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6
arch/arm/mach-socfpga/socfpga.c
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@ -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();
}