/* * Copyright (c) 2013, Steffen Trumtrar <s.trumtrar@pengutronix.de> * * based on drivers/clk/tegra/clk.h * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope 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. * */ #ifndef __SOCFPGA_CLK_H #define __SOCFPGA_CLK_H #include <linux/clk-provider.h> /* Clock Manager offsets */ #define CLKMGR_CTRL 0x0 #define CLKMGR_BYPASS 0x4 #define CLKMGR_DBCTRL 0x10 #define CLKMGR_L4SRC 0x70 #define CLKMGR_PERPLL_SRC 0xAC #define SOCFPGA_MAX_PARENTS 5 #define streq(a, b) (strcmp((a), (b)) == 0) #define SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel) \ ((((smplsel) & 0x7) << 3) | (((drvsel) & 0x7) << 0)) #define SYSMGR_SDMMC_CTRL_SET_AS10(smplsel, drvsel) \ ((((smplsel) & 0x7) << 4) | (((drvsel) & 0x7) << 0)) extern void __iomem *clk_mgr_base_addr; extern void __iomem *clk_mgr_a10_base_addr; void __init socfpga_pll_init(struct device_node *node); void __init socfpga_periph_init(struct device_node *node); void __init socfpga_gate_init(struct device_node *node); void socfpga_a10_pll_init(struct device_node *node); void socfpga_a10_periph_init(struct device_node *node); void socfpga_a10_gate_init(struct device_node *node); struct socfpga_pll { struct clk_gate hw; }; struct socfpga_gate_clk { struct clk_gate hw; char *parent_name; u32 fixed_div; void __iomem *div_reg; void __iomem *bypass_reg; struct regmap *sys_mgr_base_addr; u32 width; /* only valid if div_reg != 0 */ u32 shift; /* only valid if div_reg != 0 */ u32 bypass_shift; /* only valid if bypass_reg != 0 */ u32 clk_phase[2]; }; struct socfpga_periph_clk { struct clk_gate hw; char *parent_name; u32 fixed_div; void __iomem *div_reg; void __iomem *bypass_reg; u32 width; /* only valid if div_reg != 0 */ u32 shift; /* only valid if div_reg != 0 */ u32 bypass_shift; /* only valid if bypass_reg != 0 */ }; #endif /* SOCFPGA_CLK_H */