X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Farm%2Finclude%2Fasm%2Farch-mx6%2Fclock.h;h=7d8915da01f6f62fe56da0b10cce680096ba81f8;hp=21a4fbb59a57f7dcec15e2396ac9b0604cf6e031;hb=8ec346e17b5bf6897f038b8ecc3ecd073e097a22;hpb=a78dac79ede7fbb4c9e816abc879655540c3f076 diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h index 21a4fbb59a..7d8915da01 100644 --- a/arch/arm/include/asm/arch-mx6/clock.h +++ b/arch/arm/include/asm/arch-mx6/clock.h @@ -42,12 +42,64 @@ enum mxc_clock { MXC_I2C_CLK, }; + +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 enable_ocotp_clk(unsigned char enable); void enable_usboh3_clk(unsigned char enable); int enable_sata_clock(void); int enable_i2c_clk(unsigned char enable, unsigned i2c_num); +void ipu_clk_enable(void); +void ipu_clk_disable(void); +void ocotp_clk_enable(void); +void ocotp_clk_disable(void); #endif /* __ASM_ARCH_CLOCK_H */