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Diffstat (limited to 'arch/arm/mach-davinci/clock.h')
-rw-r--r--arch/arm/mach-davinci/clock.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h
index 27233cb4a2f..c92d77a3008 100644
--- a/arch/arm/mach-davinci/clock.h
+++ b/arch/arm/mach-davinci/clock.h
@@ -22,6 +22,10 @@
/* PLL/Reset register offsets */
#define PLLCTL 0x100
#define PLLCTL_PLLEN BIT(0)
+#define PLLCTL_PLLPWRDN BIT(1)
+#define PLLCTL_PLLRST BIT(3)
+#define PLLCTL_PLLDIS BIT(4)
+#define PLLCTL_PLLENSRC BIT(5)
#define PLLCTL_CLKMODE BIT(8)
#define PLLM 0x110
@@ -65,15 +69,20 @@ struct clk {
const char *name;
unsigned long rate;
u8 usecount;
- u8 flags;
u8 lpsc;
- u8 psc_ctlr;
+ u8 gpsc;
+ u32 flags;
struct clk *parent;
+ struct list_head children; /* list of children */
+ struct list_head childnode; /* parent's child list node */
struct pll_data *pll_data;
u32 div_reg;
+ unsigned long (*recalc) (struct clk *);
+ int (*set_rate) (struct clk *clk, unsigned long rate);
+ int (*round_rate) (struct clk *clk, unsigned long rate);
};
-/* Clock flags */
+/* Clock flags: SoC-specific flags start at BIT(16) */
#define ALWAYS_ENABLED BIT(1)
#define CLK_PSC BIT(2)
#define PSC_DSP BIT(3) /* PSC uses DSP domain, not ARM */
@@ -94,6 +103,8 @@ struct davinci_clk {
}
int davinci_clk_init(struct davinci_clk *clocks);
+int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
+ unsigned int mult, unsigned int postdiv);
extern struct platform_device davinci_wdt_device;