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Diffstat (limited to 'arch/arm/mach-mxs/clock-mx23.c')
-rw-r--r--arch/arm/mach-mxs/clock-mx23.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index 8f5a19ab558c..ca72a05ed9c1 100644
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.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>
@@ -303,7 +304,7 @@ static int name##_set_rate(struct clk *clk, unsigned long rate) \
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \
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; \
} \
@@ -346,7 +347,7 @@ 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; \
} \
\
@@ -437,10 +438,12 @@ _DEFINE_CLOCK(clk32k_clk, XTAL, TIMROT_CLK32K_GATE, &ref_xtal_clk);
},
static struct clk_lookup lookups[] = {
- _REGISTER_CLOCK("mxs-duart.0", NULL, uart_clk)
+ /* for amba bus driver */
+ _REGISTER_CLOCK("duart", "apb_pclk", xbus_clk)
+ /* for amba-pl011 driver */
+ _REGISTER_CLOCK("duart", NULL, uart_clk)
_REGISTER_CLOCK("rtc", NULL, rtc_clk)
_REGISTER_CLOCK(NULL, "hclk", hbus_clk)
- _REGISTER_CLOCK(NULL, "xclk", xbus_clk)
_REGISTER_CLOCK(NULL, "usb", usb_clk)
_REGISTER_CLOCK(NULL, "audio", audio_clk)
_REGISTER_CLOCK(NULL, "pwm", pwm_clk)
@@ -518,6 +521,12 @@ int __init mx23_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, MX23_INT_TIMER0);