X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Farm%2Finclude%2Fasm%2Farch-mx5%2Fclock.h;h=6de0077383d5ddebfc572914f33b5cc7bc9b517d;hp=6910192659db7309a4bbabcd41d797adb53f601b;hb=f1cd0e93f99e9ff56817d90607286a3d1ea4245c;hpb=47b8e527448c94d09fc8dbdb6601ea7a605ff955 diff --git a/arch/arm/include/asm/arch-mx5/clock.h b/arch/arm/include/asm/arch-mx5/clock.h index 6910192659..6de0077383 100644 --- a/arch/arm/include/asm/arch-mx5/clock.h +++ b/arch/arm/include/asm/arch-mx5/clock.h @@ -2,23 +2,7 @@ * (C) Copyright 2009 * Stefano Babic, DENX Software Engineering, sbabic@denx.de. * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #ifndef __ASM_ARCH_CLOCK_H @@ -57,10 +41,58 @@ 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, u32 clk_type); +int mxc_set_clock(u32 ref, u32 freq, enum mxc_clock clk); +int adjust_core_voltage(u32 freq); void set_usb_phy_clk(void); void enable_usb_phy1_clk(unsigned char enable); void enable_usb_phy2_clk(unsigned char enable); @@ -69,5 +101,20 @@ void enable_usboh3_clk(unsigned char enable); void mxc_set_sata_internal_clock(void); int enable_i2c_clk(unsigned char enable, unsigned i2c_num); void enable_nfc_clk(unsigned char enable); +void ipu_clk_enable(void); +void ipu_clk_disable(void); +void ipu_di_clk_enable(int di); +void ipu_di_clk_disable(int di); +#ifdef CONFIG_MX53 +void ldb_clk_enable(int ldb); +void ldb_clk_disable(int ldb); +#else +static inline void ldb_clk_enable(int ldb) +{ +} +static inline void ldb_clk_disable(int ldb) +{ +} +#endif /* CONFIG_MX53 */ #endif /* __ASM_ARCH_CLOCK_H */