| /* |
| * drivers/clk/at91/pmc.h |
| * |
| * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com> |
| * |
| * 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. |
| */ |
| |
| #ifndef __PMC_H_ |
| #define __PMC_H_ |
| |
| #include <linux/io.h> |
| #include <linux/irqdomain.h> |
| #include <linux/spinlock.h> |
| |
| struct clk_range { |
| unsigned long min; |
| unsigned long max; |
| }; |
| |
| #define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,} |
| |
| struct at91_pmc_caps { |
| u32 available_irqs; |
| }; |
| |
| struct at91_pmc { |
| void __iomem *regbase; |
| int virq; |
| spinlock_t lock; |
| const struct at91_pmc_caps *caps; |
| struct irq_domain *irqdomain; |
| }; |
| |
| static inline void pmc_lock(struct at91_pmc *pmc) |
| { |
| spin_lock(&pmc->lock); |
| } |
| |
| static inline void pmc_unlock(struct at91_pmc *pmc) |
| { |
| spin_unlock(&pmc->lock); |
| } |
| |
| static inline u32 pmc_read(struct at91_pmc *pmc, int offset) |
| { |
| return readl(pmc->regbase + offset); |
| } |
| |
| static inline void pmc_write(struct at91_pmc *pmc, int offset, u32 value) |
| { |
| writel(value, pmc->regbase + offset); |
| } |
| |
| int of_at91_get_clk_range(struct device_node *np, const char *propname, |
| struct clk_range *range); |
| |
| extern void __init of_at91rm9200_clk_main_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| |
| extern void __init of_at91rm9200_clk_pll_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| extern void __init of_at91sam9g45_clk_pll_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| extern void __init of_at91sam9g20_clk_pllb_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| extern void __init of_sama5d3_clk_pll_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| extern void __init of_at91sam9x5_clk_plldiv_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| |
| extern void __init of_at91rm9200_clk_master_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| extern void __init of_at91sam9x5_clk_master_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| |
| extern void __init of_at91rm9200_clk_sys_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| |
| extern void __init of_at91rm9200_clk_periph_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| extern void __init of_at91sam9x5_clk_periph_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| |
| #if defined(CONFIG_AT91_PROGRAMMABLE_CLOCKS) |
| extern void __init of_at91rm9200_clk_prog_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| extern void __init of_at91sam9g45_clk_prog_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| extern void __init of_at91sam9x5_clk_prog_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| #endif |
| |
| #if defined(CONFIG_HAVE_AT91_UTMI) |
| extern void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| #endif |
| |
| #if defined(CONFIG_HAVE_AT91_USB_CLK) |
| extern void __init of_at91rm9200_clk_usb_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| extern void __init of_at91sam9x5_clk_usb_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| extern void __init of_at91sam9n12_clk_usb_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| #endif |
| |
| #if defined(CONFIG_HAVE_AT91_SMD) |
| extern void __init of_at91sam9x5_clk_smd_setup(struct device_node *np, |
| struct at91_pmc *pmc); |
| #endif |
| |
| #endif /* __PMC_H_ */ |