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Diffstat (limited to 'arch/arm/mach-mxs/clock-mx28.c')
-rw-r--r--arch/arm/mach-mxs/clock-mx28.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index 74e2103c6011..fd1c4c54b8e5 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -21,6 +21,7 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/jiffies.h>
+#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <asm/div64.h>
@@ -354,12 +355,12 @@ static int name##_set_rate(struct clk *clk, unsigned long rate) \
} else { \
reg &= ~BM_CLKCTRL_##dr##_DIV; \
reg |= div << BP_CLKCTRL_##dr##_DIV; \
- if (reg | (1 << clk->enable_shift)) { \
+ if (reg & (1 << clk->enable_shift)) { \
pr_err("%s: clock is gated\n", __func__); \
return -EINVAL; \
} \
} \
- __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU); \
+ __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \
\
for (i = 10000; i; i--) \
if (!(__raw_readl(CLKCTRL_BASE_ADDR + \
@@ -482,7 +483,7 @@ static int name##_set_parent(struct clk *clk, struct clk *parent) \
{ \
if (parent != clk->parent) { \
__raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit, \
- HW_CLKCTRL_CLKSEQ_TOG); \
+ CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG); \
clk->parent = parent; \
} \
\
@@ -602,8 +603,12 @@ _DEFINE_CLOCK(fec_clk, ENET, DISABLE, &hbus_clk);
},
static struct clk_lookup lookups[] = {
- _REGISTER_CLOCK("mxs-duart.0", NULL, uart_clk)
- _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+ /* for amba bus driver */
+ _REGISTER_CLOCK("duart", "apb_pclk", xbus_clk)
+ /* for amba-pl011 driver */
+ _REGISTER_CLOCK("duart", NULL, uart_clk)
+ _REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk)
+ _REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk)
_REGISTER_CLOCK("rtc", NULL, rtc_clk)
_REGISTER_CLOCK("pll2", NULL, pll2_clk)
_REGISTER_CLOCK(NULL, "hclk", hbus_clk)
@@ -726,6 +731,12 @@ int __init mx28_clocks_init(void)
{
clk_misc_init();
+ clk_enable(&cpu_clk);
+ clk_enable(&hbus_clk);
+ clk_enable(&xbus_clk);
+ clk_enable(&emi_clk);
+ clk_enable(&uart_clk);
+
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
mxs_timer_init(&clk32k_clk, MX28_INT_TIMER0);