diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-17 19:28:15 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-17 19:28:15 -0700 |
commit | 0df0914d414a504b975f3cc66ace0c16ef55b7f3 (patch) | |
tree | c97ffa357943a8b226cdec1b9632c4cede813205 /arch/arm/mach-omap2/clkt_iclk.c | |
parent | 6899608533410557e6698cb9d4ff6df553916e98 (diff) | |
parent | 05f689400ea5fa3d71af82f910c8b140f87ad1f3 (diff) |
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (258 commits)
omap: zoom: host should not pull up wl1271's irq line
arm: plat-omap: iommu: fix request_mem_region() error path
OMAP2+: Common CPU DIE ID reading code reads wrong registers for OMAP4430
omap4: mux: Remove duplicate mux modes
omap: iovmm: don't check 'da' to set IOVMF_DA_FIXED flag
omap: iovmm: disallow mapping NULL address when IOVMF_DA_ANON is set
omap2+: mux: Fix compile when CONFIG_OMAP_MUX is not selected
omap4: board-omap4panda: Initialise the serial pads
omap3: board-3430sdp: Initialise the serial pads
omap4: board-4430sdp: Initialise the serial pads
omap2+: mux: Add macro for configuring static with omap_hwmod_mux_init
omap2+: mux: Remove the use of IDLE flag
omap2+: Add separate list for dynamic pads to mux
perf: add OMAP support for the new power events
OMAP4: Add IVA OPP enteries.
OMAP4: Update Voltage Rail Values for MPU, IVA and CORE
OMAP4: Enable 800 MHz and 1 GHz MPU-OPP
OMAP3+: OPP: Replace voltage values with Macros
OMAP3: wdtimer: Fix CORE idle transition
Watchdog: omap_wdt: add fine grain runtime-pm
...
Fix up various conflicts in
- arch/arm/mach-omap2/board-omap3evm.c
- arch/arm/mach-omap2/clock3xxx_data.c
- arch/arm/mach-omap2/usb-musb.c
- arch/arm/plat-omap/include/plat/usb.h
- drivers/usb/musb/musb_core.h
Diffstat (limited to 'arch/arm/mach-omap2/clkt_iclk.c')
-rw-r--r-- | arch/arm/mach-omap2/clkt_iclk.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/clkt_iclk.c b/arch/arm/mach-omap2/clkt_iclk.c new file mode 100644 index 000000000000..3d43fba2542f --- /dev/null +++ b/arch/arm/mach-omap2/clkt_iclk.c @@ -0,0 +1,82 @@ +/* + * OMAP2/3 interface clock control + * + * Copyright (C) 2011 Nokia Corporation + * 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. + */ +#undef DEBUG + +#include <linux/kernel.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include <plat/clock.h> +#include <plat/prcm.h> + +#include "clock.h" +#include "clock2xxx.h" +#include "cm2xxx_3xxx.h" +#include "cm-regbits-24xx.h" + +/* Private functions */ + +/* XXX */ +void omap2_clkt_iclk_allow_idle(struct clk *clk) +{ + u32 v, r; + + r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN)); + + v = __raw_readl((__force void __iomem *)r); + v |= (1 << clk->enable_bit); + __raw_writel(v, (__force void __iomem *)r); +} + +/* XXX */ +void omap2_clkt_iclk_deny_idle(struct clk *clk) +{ + u32 v, r; + + r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN)); + + v = __raw_readl((__force void __iomem *)r); + v &= ~(1 << clk->enable_bit); + __raw_writel(v, (__force void __iomem *)r); +} + +/* Public data */ + +const struct clkops clkops_omap2_iclk_dflt_wait = { + .enable = omap2_dflt_clk_enable, + .disable = omap2_dflt_clk_disable, + .find_companion = omap2_clk_dflt_find_companion, + .find_idlest = omap2_clk_dflt_find_idlest, + .allow_idle = omap2_clkt_iclk_allow_idle, + .deny_idle = omap2_clkt_iclk_deny_idle, +}; + +const struct clkops clkops_omap2_iclk_dflt = { + .enable = omap2_dflt_clk_enable, + .disable = omap2_dflt_clk_disable, + .allow_idle = omap2_clkt_iclk_allow_idle, + .deny_idle = omap2_clkt_iclk_deny_idle, +}; + +const struct clkops clkops_omap2_iclk_idle_only = { + .allow_idle = omap2_clkt_iclk_allow_idle, + .deny_idle = omap2_clkt_iclk_deny_idle, +}; + +const struct clkops clkops_omap2_mdmclk_dflt_wait = { + .enable = omap2_dflt_clk_enable, + .disable = omap2_dflt_clk_disable, + .find_companion = omap2_clk_dflt_find_companion, + .find_idlest = omap2_clk_dflt_find_idlest, + .allow_idle = omap2_clkt_iclk_allow_idle, + .deny_idle = omap2_clkt_iclk_deny_idle, +}; + |