karo: merge with Ka-Ro specific tree for secure boot support

[karo-tx-uboot.git] / arch / arm / include / asm / arch-mx6 / clock.h

diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h
index a6de5ee4bc12623a769b96a8f9bc86dde7b9e47f..1b6c140c20294f9928905e7c4947a41bd8b6f572 100644 (file)
--- a/arch/arm/include/asm/arch-mx6/clock.h
+++ b/arch/arm/include/asm/arch-mx6/clock.h
@@ -49,9 +49,56 @@ enum enet_freq {
        ENET_125MHZ,
 };
 
+struct clk {
+       const char *name;
+       int id;
+       /* Source clock this clk depends on */
+       struct clk *parent;
+       /* Secondary clock to enable/disable with this clock */
+       struct clk *secondary;
+       /* Current clock rate */
+       unsigned long rate;
+       /* Reference count of clock enable/disable */
+       __s8 usecount;
+       /* Register bit position for clock's enable/disable control. */
+       u8 enable_shift;
+       /* Register address for clock's enable/disable control. */
+       void *enable_reg;
+       u32 flags;
+       /*
+        * Function ptr to recalculate the clock's rate based on parent
+        * clock's rate
+        */
+       void (*recalc) (struct clk *);
+       /*
+        * Function ptr to set the clock to a new rate. The rate must match a
+        * supported rate returned from round_rate. Leave blank if clock is not
+       * programmable
+        */
+       int (*set_rate) (struct clk *, unsigned long);
+       /*
+        * Function ptr to round the requested clock rate to the nearest
+        * supported rate that is less than or equal to the requested rate.
+        */
+       unsigned long (*round_rate) (struct clk *, unsigned long);
+       /*
+        * Function ptr to enable the clock. Leave blank if clock can not
+        * be gated.
+        */
+       int (*enable) (struct clk *);
+       /*
+        * Function ptr to disable the clock. Leave blank if clock can not
+        * be gated.
+        */
+       void (*disable) (struct clk *);
+       /* Function ptr to set the parent clock of the clock. */
+       int (*set_parent) (struct clk *, struct clk *);
+};
+
 u32 imx_get_uartclk(void);
 u32 imx_get_fecclk(void);
 unsigned int mxc_get_clock(enum mxc_clock clk);
+int mxc_set_clock(u32 ref, u32 freq, enum mxc_clock clk);
 void setup_gpmi_io_clk(u32 cfg);
 void hab_caam_clock_enable(unsigned char enable);
 void enable_ocotp_clk(unsigned char enable);
@@ -69,4 +116,12 @@ int enable_fec_anatop_clock(enum enet_freq freq);
 void enable_enet_clk(unsigned char enable);
 void enable_qspi_clk(int qspi_num);
 void enable_thermal_clk(void);
+void ipu_clk_enable(void);
+void ipu_clk_disable(void);
+void ipu_di_clk_enable(int di);
+void ipu_di_clk_disable(int di);
+void ldb_clk_enable(int ldb);
+void ldb_clk_disable(int ldb);
+void ocotp_clk_enable(void);
+void ocotp_clk_disable(void);
 #endif /* __ASM_ARCH_CLOCK_H */