OMAP4: clockdomains: add OMAP4 PRCM data and OMAP4 support

[firefly-linux-kernel-4.4.55.git] / arch / arm / plat-omap / include / plat / clockdomain.h

diff --git a/arch/arm/plat-omap/include/plat/clockdomain.h b/arch/arm/plat-omap/include/plat/clockdomain.h
index ba0a6c07c0fedfcabe4d1577dcbeb43ece3936a5..ec433c3aef68cd83932430a3cbac4a087e5c4ba2 100644 (file)
--- a/arch/arm/plat-omap/include/plat/clockdomain.h
+++ b/arch/arm/plat-omap/include/plat/clockdomain.h
@@ -4,18 +4,22 @@
  * OMAP2/3 clockdomain framework functions
  *
  * Copyright (C) 2008 Texas Instruments, Inc.
- * Copyright (C) 2008-2009 Nokia Corporation
+ * Copyright (C) 2008-2010 Nokia Corporation
  *
- * Written by Paul Walmsley
+ * Paul Walmsley
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
+ *
+ * XXX This should be moved to mach-omap2/ at the earliest opportunity.
  */
 
 #ifndef __ASM_ARM_ARCH_OMAP_CLOCKDOMAIN_H
 #define __ASM_ARM_ARCH_OMAP_CLOCKDOMAIN_H
 
+#include <linux/init.h>
+
 #include <plat/powerdomain.h>
 #include <plat/clock.h>
 #include <plat/cpu.h>
@@ -34,12 +38,6 @@
 #define OMAP24XX_CLKSTCTRL_DISABLE_AUTO                0x0
 #define OMAP24XX_CLKSTCTRL_ENABLE_AUTO         0x1
 
-/* OMAP3XXX CM_CLKSTCTRL_*.CLKTRCTRL_* register bit values */
-#define OMAP34XX_CLKSTCTRL_DISABLE_AUTO                0x0
-#define OMAP34XX_CLKSTCTRL_FORCE_SLEEP         0x1
-#define OMAP34XX_CLKSTCTRL_FORCE_WAKEUP                0x2
-#define OMAP34XX_CLKSTCTRL_ENABLE_AUTO         0x3
-
 /**
  * struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode
  * @clkdm: clockdomain to add wkdep+sleepdep on - set name member only
@@ -90,11 +88,20 @@ struct clkdm_dep {
  * @clktrctrl_mask: CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg
  * @flags: Clockdomain capability flags
  * @dep_bit: Bit shift of this clockdomain's PM_WKDEP/CM_SLEEPDEP bit
+ * @prcm_partition: (OMAP4 only) PRCM partition ID for this clkdm's registers
+ * @cm_inst: (OMAP4 only) CM instance register offset
+ * @clkdm_offs: (OMAP4 only) CM clockdomain register offset
  * @wkdep_srcs: Clockdomains that can be told to wake this powerdomain up
  * @sleepdep_srcs: Clockdomains that can be told to keep this clkdm from inact
  * @omap_chip: OMAP chip types that this clockdomain is valid on
  * @usecount: Usecount tracking
  * @node: list_head to link all clockdomains together
+ *
+ * @prcm_partition should be a macro from mach-omap2/prcm44xx.h (OMAP4 only)
+ * @cm_inst should be a macro ending in _INST from the OMAP4 CM instance
+ *     definitions (OMAP4 only)
+ * @clkdm_offs should be a macro ending in _CDOFFS from the OMAP4 CM instance
+ *     definitions (OMAP4 only)
  */
 struct clockdomain {
        const char *name;
@@ -102,10 +109,15 @@ struct clockdomain {
                const char *name;
                struct powerdomain *ptr;
        } pwrdm;
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
        void __iomem *clkstctrl_reg;
        const u16 clktrctrl_mask;
+#endif
        const u8 flags;
        const u8 dep_bit;
+       const u8 prcm_partition;
+       const s16 cm_inst;
+       const u16 clkdm_offs;
        struct clkdm_dep *wkdep_srcs;
        struct clkdm_dep *sleepdep_srcs;
        const struct omap_chip_id omap_chip;
@@ -138,4 +150,7 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm);
 int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
 int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
 
+extern void __init omap2_clockdomains_init(void);
+extern void __init omap44xx_clockdomains_init(void);
+
 #endif