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Diffstat (limited to 'drivers/clk/at91/pmc.h')
-rw-r--r--drivers/clk/at91/pmc.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
new file mode 100644
index 00000000000..441350983cc
--- /dev/null
+++ b/drivers/clk/at91/pmc.h
@@ -0,0 +1,114 @@
+/*
+ * 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);
+
+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);
+
+#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_ */