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path: root/drivers/clk/mxs/clk-ref.c
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Diffstat (limited to 'drivers/clk/mxs/clk-ref.c')
-rw-r--r--drivers/clk/mxs/clk-ref.c48
1 files changed, 21 insertions, 27 deletions
diff --git a/drivers/clk/mxs/clk-ref.c b/drivers/clk/mxs/clk-ref.c
index 8d0be05615..d483c9c6b2 100644
--- a/drivers/clk/mxs/clk-ref.c
+++ b/drivers/clk/mxs/clk-ref.c
@@ -1,19 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2012 Freescale Semiconductor, Inc.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
*/
#include <common.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <io.h>
-#include <asm-generic/div64.h>
+#include <linux/math64.h>
#include "clk.h"
@@ -29,20 +23,20 @@
* as pll rate * (18 / FRAC), where FRAC = 18 ~ 35.
*/
struct clk_ref {
- struct clk clk;
+ struct clk_hw hw;
const char *parent;
void __iomem *reg;
u8 idx;
};
-#define to_clk_ref(_hw) container_of(_hw, struct clk_ref, clk)
+#define to_clk_ref(_hw) container_of(_hw, struct clk_ref, hw)
#define SET 0x4
#define CLR 0x8
-static int clk_ref_is_enabled(struct clk *clk)
+static int clk_ref_is_enabled(struct clk_hw *hw)
{
- struct clk_ref *ref = to_clk_ref(clk);
+ struct clk_ref *ref = to_clk_ref(hw);
u32 reg = readl(ref->reg);
if (reg & 1 << ((ref->idx + 1) * 8 - 1))
@@ -51,26 +45,26 @@ static int clk_ref_is_enabled(struct clk *clk)
return 1;
}
-static int clk_ref_enable(struct clk *clk)
+static int clk_ref_enable(struct clk_hw *hw)
{
- struct clk_ref *ref = to_clk_ref(clk);
+ struct clk_ref *ref = to_clk_ref(hw);
writel(1 << ((ref->idx + 1) * 8 - 1), ref->reg + CLR);
return 0;
}
-static void clk_ref_disable(struct clk *clk)
+static void clk_ref_disable(struct clk_hw *hw)
{
- struct clk_ref *ref = to_clk_ref(clk);
+ struct clk_ref *ref = to_clk_ref(hw);
writel(1 << ((ref->idx + 1) * 8 - 1), ref->reg + SET);
}
-static unsigned long clk_ref_recalc_rate(struct clk *clk,
+static unsigned long clk_ref_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- struct clk_ref *ref = to_clk_ref(clk);
+ struct clk_ref *ref = to_clk_ref(hw);
u64 tmp = parent_rate;
u8 frac = (readl(ref->reg) >> (ref->idx * 8)) & 0x3f;
@@ -80,7 +74,7 @@ static unsigned long clk_ref_recalc_rate(struct clk *clk,
return tmp;
}
-static long clk_ref_round_rate(struct clk *clk, unsigned long rate,
+static long clk_ref_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *prate)
{
unsigned long parent_rate = *prate;
@@ -103,10 +97,10 @@ static long clk_ref_round_rate(struct clk *clk, unsigned long rate,
return tmp;
}
-static int clk_ref_set_rate(struct clk *clk, unsigned long rate,
+static int clk_ref_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
- struct clk_ref *ref = to_clk_ref(clk);
+ struct clk_ref *ref = to_clk_ref(hw);
u64 tmp = parent_rate;
u32 val;
u32 frac, shift = ref->idx * 8;
@@ -146,17 +140,17 @@ struct clk *mxs_clk_ref(const char *name, const char *parent_name,
ref = xzalloc(sizeof(*ref));
ref->parent = parent_name;
- ref->clk.name = name;
- ref->clk.ops = &clk_ref_ops;
- ref->clk.parent_names = &ref->parent;
- ref->clk.num_parents = 1;
+ ref->hw.clk.name = name;
+ ref->hw.clk.ops = &clk_ref_ops;
+ ref->hw.clk.parent_names = &ref->parent;
+ ref->hw.clk.num_parents = 1;
ref->reg = reg;
ref->idx = idx;
- ret = clk_register(&ref->clk);
+ ret = bclk_register(&ref->hw.clk);
if (ret)
return ERR_PTR(ret);
- return &ref->clk;
+ return &ref->hw.clk;
}