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path: root/drivers/clk/socfpga
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-rw-r--r--drivers/clk/socfpga/clk-gate-a10.c3
-rw-r--r--drivers/clk/socfpga/clk-gate.c5
-rw-r--r--drivers/clk/socfpga/clk-periph-a10.c3
-rw-r--r--drivers/clk/socfpga/clk-periph.c23
-rw-r--r--drivers/clk/socfpga/clk-pll-a10.c1
-rw-r--r--drivers/clk/socfpga/clk-pll.c3
-rw-r--r--drivers/clk/socfpga/clk.h3
7 files changed, 25 insertions, 16 deletions
diff --git a/drivers/clk/socfpga/clk-gate-a10.c b/drivers/clk/socfpga/clk-gate-a10.c
index 83c6780ff..1cebf253e 100644
--- a/drivers/clk/socfpga/clk-gate-a10.c
+++ b/drivers/clk/socfpga/clk-gate-a10.c
@@ -13,6 +13,7 @@
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/slab.h>
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/mfd/syscon.h>
@@ -38,7 +39,7 @@ static unsigned long socfpga_gate_clk_recalc_rate(struct clk_hw *hwclk,
div = socfpgaclk->fixed_div;
else if (socfpgaclk->div_reg) {
val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
- val &= div_mask(socfpgaclk->width);
+ val &= GENMASK(socfpgaclk->width - 1, 0);
div = (1 << val);
}
diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c
index 82449cd76..aa7a6e6a1 100644
--- a/drivers/clk/socfpga/clk-gate.c
+++ b/drivers/clk/socfpga/clk-gate.c
@@ -15,8 +15,7 @@
* Based from clk-highbank.c
*
*/
-#include <linux/clk.h>
-#include <linux/clkdev.h>
+#include <linux/slab.h>
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/mfd/syscon.h>
@@ -106,7 +105,7 @@ static unsigned long socfpga_clk_recalc_rate(struct clk_hw *hwclk,
div = socfpgaclk->fixed_div;
else if (socfpgaclk->div_reg) {
val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
- val &= div_mask(socfpgaclk->width);
+ val &= GENMASK(socfpgaclk->width - 1, 0);
/* Check for GPIO_DB_CLK by its offset */
if ((int) socfpgaclk->div_reg & SOCFPGA_GPIO_DB_CLK_OFFSET)
div = val + 1;
diff --git a/drivers/clk/socfpga/clk-periph-a10.c b/drivers/clk/socfpga/clk-periph-a10.c
index 9d0181b5a..1f397cb72 100644
--- a/drivers/clk/socfpga/clk-periph-a10.c
+++ b/drivers/clk/socfpga/clk-periph-a10.c
@@ -13,6 +13,7 @@
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/slab.h>
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/of.h>
@@ -37,7 +38,7 @@ static unsigned long clk_periclk_recalc_rate(struct clk_hw *hwclk,
div = socfpgaclk->fixed_div;
} else if (socfpgaclk->div_reg) {
div = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
- div &= div_mask(socfpgaclk->width);
+ div &= GENMASK(socfpgaclk->width - 1, 0);
div += 1;
} else {
div = ((readl(socfpgaclk->hw.reg) & 0x7ff) + 1);
diff --git a/drivers/clk/socfpga/clk-periph.c b/drivers/clk/socfpga/clk-periph.c
index 83aeaa219..52c883ea7 100644
--- a/drivers/clk/socfpga/clk-periph.c
+++ b/drivers/clk/socfpga/clk-periph.c
@@ -15,8 +15,7 @@
* Based from clk-highbank.c
*
*/
-#include <linux/clk.h>
-#include <linux/clkdev.h>
+#include <linux/slab.h>
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/of.h>
@@ -36,7 +35,7 @@ static unsigned long clk_periclk_recalc_rate(struct clk_hw *hwclk,
} else {
if (socfpgaclk->div_reg) {
val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
- val &= div_mask(socfpgaclk->width);
+ val &= GENMASK(socfpgaclk->width - 1, 0);
parent_rate /= (val + 1);
}
div = ((readl(socfpgaclk->hw.reg) & 0x1ff) + 1);
@@ -45,8 +44,17 @@ static unsigned long clk_periclk_recalc_rate(struct clk_hw *hwclk,
return parent_rate / div;
}
+static u8 clk_periclk_get_parent(struct clk_hw *hwclk)
+{
+ u32 clk_src;
+
+ clk_src = readl(clk_mgr_base_addr + CLKMGR_DBCTRL);
+ return clk_src & 0x1;
+}
+
static const struct clk_ops periclk_ops = {
.recalc_rate = clk_periclk_recalc_rate,
+ .get_parent = clk_periclk_get_parent,
};
static __init void __socfpga_periph_init(struct device_node *node,
@@ -56,7 +64,7 @@ static __init void __socfpga_periph_init(struct device_node *node,
struct clk *clk;
struct socfpga_periph_clk *periph_clk;
const char *clk_name = node->name;
- const char *parent_name;
+ const char *parent_name[SOCFPGA_MAX_PARENTS];
struct clk_init_data init;
int rc;
u32 fixed_div;
@@ -90,9 +98,10 @@ static __init void __socfpga_periph_init(struct device_node *node,
init.name = clk_name;
init.ops = ops;
init.flags = 0;
- parent_name = of_clk_get_parent_name(node, 0);
- init.parent_names = &parent_name;
- init.num_parents = 1;
+
+ init.num_parents = of_clk_parent_fill(node, parent_name,
+ SOCFPGA_MAX_PARENTS);
+ init.parent_names = parent_name;
periph_clk->hw.hw.init = &init;
diff --git a/drivers/clk/socfpga/clk-pll-a10.c b/drivers/clk/socfpga/clk-pll-a10.c
index 1178b11ba..402d630bd 100644
--- a/drivers/clk/socfpga/clk-pll-a10.c
+++ b/drivers/clk/socfpga/clk-pll-a10.c
@@ -13,6 +13,7 @@
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/slab.h>
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/of.h>
diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c
index 8f26b5234..c7f463172 100644
--- a/drivers/clk/socfpga/clk-pll.c
+++ b/drivers/clk/socfpga/clk-pll.c
@@ -15,8 +15,7 @@
* Based from clk-highbank.c
*
*/
-#include <linux/clk.h>
-#include <linux/clkdev.h>
+#include <linux/slab.h>
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/of.h>
diff --git a/drivers/clk/socfpga/clk.h b/drivers/clk/socfpga/clk.h
index 603973ab7..814c7247b 100644
--- a/drivers/clk/socfpga/clk.h
+++ b/drivers/clk/socfpga/clk.h
@@ -18,16 +18,15 @@
#define __SOCFPGA_CLK_H
#include <linux/clk-provider.h>
-#include <linux/clkdev.h>
/* Clock Manager offsets */
#define CLKMGR_CTRL 0x0
#define CLKMGR_BYPASS 0x4
+#define CLKMGR_DBCTRL 0x10
#define CLKMGR_L4SRC 0x70
#define CLKMGR_PERPLL_SRC 0xAC
#define SOCFPGA_MAX_PARENTS 5
-#define div_mask(width) ((1 << (width)) - 1)
#define streq(a, b) (strcmp((a), (b)) == 0)
#define SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel) \