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author | Olof Johansson <olof@lixom.net> | 2012-11-29 22:39:11 -0800 |
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committer | Olof Johansson <olof@lixom.net> | 2012-11-29 22:39:11 -0800 |
commit | 68fb31706d50dd5d337cd7928aeb780358b910a5 (patch) | |
tree | 6632d05aae22e99d7f128104b536bfdfc225a696 /arch/arm/mach-omap2/cm33xx.c | |
parent | 9489e9dcae718d5fde988e4a684a0f55b5f94d17 (diff) | |
parent | c8a1ceccf394b2f99feed2b702732140e9f0f92d (diff) | |
download | blackbird-op-linux-68fb31706d50dd5d337cd7928aeb780358b910a5.tar.gz blackbird-op-linux-68fb31706d50dd5d337cd7928aeb780358b910a5.zip |
Merge branch 'next/cleanup' into next/pm2
By Tony Lindgren (36) and others
via Tony Lindgren (22) and others
* next/cleanup: (303 commits)
ARM: Kirkwood: Use hw_pci.ops instead of hw_pci.scan
ARM: OMAP3: cm-t3517: use GPTIMER for system clock
ARM: OMAP2+: timer: remove CONFIG_OMAP_32K_TIMER
ARM: SAMSUNG: use devm_ functions for ADC driver
ARM: EXYNOS: no duplicate mask/unmask in eint0_15
ARM: S3C24XX: SPI clock channel setup is fixed for S3C2443
ARM: EXYNOS: Remove i2c0 resource information and setting of device names
ARM: Kirkwood: checkpatch cleanups
ARM: Kirkwood: Fix sparse warnings.
ARM: Kirkwood: Remove unused includes
ARM: kirkwood: cleanup lsxl board includes
ARM: integrator: use BUG_ON where possible
ARM: integrator: push down SC dependencies
ARM: integrator: delete static UART1 mapping
ARM: integrator: delete SC mapping on the CP
ARM: integrator: remove static CP syscon mapping
ARM: integrator: remove static AP syscon mapping
ARM: integrator: hook the CP into the SoC bus
ARM: integrator: hook the AP into the SoC bus
ARM: OMAP2+: Fix compiler warning for 32k timer
...
Diffstat (limited to 'arch/arm/mach-omap2/cm33xx.c')
-rw-r--r-- | arch/arm/mach-omap2/cm33xx.c | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c index 13f56eafef03..058ce3c0873e 100644 --- a/arch/arm/mach-omap2/cm33xx.c +++ b/arch/arm/mach-omap2/cm33xx.c @@ -22,8 +22,7 @@ #include <linux/err.h> #include <linux/io.h> -#include <plat/common.h> - +#include "clockdomain.h" #include "cm.h" #include "cm33xx.h" #include "cm-regbits-34xx.h" @@ -311,3 +310,58 @@ void am33xx_cm_module_disable(u16 inst, s16 cdoffs, u16 clkctrl_offs) v &= ~AM33XX_MODULEMODE_MASK; am33xx_cm_write_reg(v, inst, clkctrl_offs); } + +/* + * Clockdomain low-level functions + */ + +static int am33xx_clkdm_sleep(struct clockdomain *clkdm) +{ + am33xx_cm_clkdm_force_sleep(clkdm->cm_inst, clkdm->clkdm_offs); + return 0; +} + +static int am33xx_clkdm_wakeup(struct clockdomain *clkdm) +{ + am33xx_cm_clkdm_force_wakeup(clkdm->cm_inst, clkdm->clkdm_offs); + return 0; +} + +static void am33xx_clkdm_allow_idle(struct clockdomain *clkdm) +{ + am33xx_cm_clkdm_enable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); +} + +static void am33xx_clkdm_deny_idle(struct clockdomain *clkdm) +{ + am33xx_cm_clkdm_disable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); +} + +static int am33xx_clkdm_clk_enable(struct clockdomain *clkdm) +{ + if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP) + return am33xx_clkdm_wakeup(clkdm); + + return 0; +} + +static int am33xx_clkdm_clk_disable(struct clockdomain *clkdm) +{ + bool hwsup = false; + + hwsup = am33xx_cm_is_clkdm_in_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); + + if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) + am33xx_clkdm_sleep(clkdm); + + return 0; +} + +struct clkdm_ops am33xx_clkdm_operations = { + .clkdm_sleep = am33xx_clkdm_sleep, + .clkdm_wakeup = am33xx_clkdm_wakeup, + .clkdm_allow_idle = am33xx_clkdm_allow_idle, + .clkdm_deny_idle = am33xx_clkdm_deny_idle, + .clkdm_clk_enable = am33xx_clkdm_clk_enable, + .clkdm_clk_disable = am33xx_clkdm_clk_disable, +}; |