X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Farm%2Finclude%2Fasm%2Farch-exynos%2Fclk.h;h=cdeef324ccefaf1bd0a199ced5c538dfd817c451;hb=7f673c99c2d8d1aa21996c5b914f06d784b080ca;hp=2bf2c10c44b891932fffbc4345f9f79d3df121cf;hpb=2e206caaa658342148ac0c7d869da3426414b14d;p=platform%2Fkernel%2Fu-boot.git diff --git a/arch/arm/include/asm/arch-exynos/clk.h b/arch/arm/include/asm/arch-exynos/clk.h index 2bf2c10..cdeef32 100644 --- a/arch/arm/include/asm/arch-exynos/clk.h +++ b/arch/arm/include/asm/arch-exynos/clk.h @@ -2,21 +2,7 @@ * (C) Copyright 2010 Samsung Electronics * Minkyu Kang * - * 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_ARM_ARCH_CLK_H_ @@ -28,18 +14,37 @@ #define HPLL 3 #define VPLL 4 #define BPLL 5 +#define RPLL 6 + +enum pll_src_bit { + EXYNOS_SRC_MPLL = 6, + EXYNOS_SRC_EPLL, + EXYNOS_SRC_VPLL, +}; unsigned long get_pll_clk(int pllreg); unsigned long get_arm_clk(void); unsigned long get_i2c_clk(void); unsigned long get_pwm_clk(void); unsigned long get_uart_clk(int dev_index); +unsigned long get_mmc_clk(int dev_index); void set_mmc_clk(int dev_index, unsigned int div); unsigned long get_lcd_clk(void); void set_lcd_clk(void); void set_mipi_clk(void); -void set_i2s_clk_source(void); -int set_i2s_clk_prescaler(unsigned int src_frq, unsigned int dst_frq); +int set_i2s_clk_source(unsigned int i2s_id); +int set_i2s_clk_prescaler(unsigned int src_frq, unsigned int dst_frq, + unsigned int i2s_id); int set_epll_clk(unsigned long rate); +int set_spi_clk(int periph_id, unsigned int rate); + +/** + * get the clk frequency of the required peripheral + * + * @param peripheral Peripheral id + * + * @return frequency of the peripheral clk + */ +unsigned long clock_get_periph_rate(int peripheral); #endif