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=0c6f3fd0d77d79de89d5add17b61f531edd14f3b;hp=323805c75ca576287fb2727a9410f508bc34f392;hb=2e62c0bab7fe68ba2ab3baf6777537267a26ac02;hpb=dee332ffb735f65ab922118791a583c17bb0b795 diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h index 323805c75c..0c6f3fd0d7 100644 --- a/arch/arm/include/asm/arch-mx6/clock.h +++ b/arch/arm/include/asm/arch-mx6/clock.h @@ -43,21 +43,67 @@ enum mxc_clock { }; enum enet_freq { - ENET_25MHz, - ENET_50MHz, - ENET_100MHz, - ENET_125MHz, + ENET_25MHZ, + ENET_50MHZ, + ENET_100MHZ, + 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); void enable_usboh3_clk(unsigned char enable); void enable_uart_clk(unsigned char enable); -int enable_cspi_clock(unsigned char enable, unsigned spi_num); int enable_usdhc_clk(unsigned char enable, unsigned bus_num); int enable_sata_clock(void); void disable_sata_clock(void); @@ -67,5 +113,12 @@ int enable_spi_clk(unsigned char enable, unsigned spi_num); void enable_ipu_clock(void); 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); #endif /* __ASM_ARCH_CLOCK_H */