diff options
Diffstat (limited to 'arch/arm/mach-mx6')
| -rw-r--r-- | arch/arm/mach-mx6/irq.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/arch/arm/mach-mx6/irq.c b/arch/arm/mach-mx6/irq.c index 3d8f81bb6e28..753767bfd7c4 100644 --- a/arch/arm/mach-mx6/irq.c +++ b/arch/arm/mach-mx6/irq.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. All Rights Reserved. * * 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 @@ -23,10 +23,16 @@ #include <linux/irq.h> #include <asm/hardware/gic.h> #include <mach/hardware.h> +#ifdef CONFIG_CPU_FREQ_GOV_INTERACTIVE +#include <linux/cpufreq.h> +#endif int mx6q_register_gpios(void); unsigned int gpc_wake_irq[4]; extern bool enable_wait_mode; +#ifdef CONFIG_CPU_FREQ_GOV_INTERACTIVE +extern int cpufreq_gov_irq_tuner_register(struct irq_tuner dbs_irq_tuner); +#endif static int mx6_gic_irq_set_wake(struct irq_data *d, unsigned int enable) { @@ -44,6 +50,34 @@ static int mx6_gic_irq_set_wake(struct irq_data *d, unsigned int enable) } return 0; } +#ifdef CONFIG_CPU_FREQ_GOV_INTERACTIVE +static struct irq_tuner mxc_irq_tuner[] = { + { + .irq_number = 41, /* GPU 3D */ + .up_threshold = 0, + .enable = 1,}, + { + .irq_number = 56, /* uSDHC3 */ + .up_threshold = 8, + .enable = 1,}, + { + .irq_number = 57, /* uSDHC4 */ + .up_threshold = 8, + .enable = 1,}, + { + .irq_number = 71, /* SATA */ + .up_threshold = 4, + .enable = 1,}, + { + .irq_number = 75, /* OTG */ + .up_threshold = 10, + .enable = 1,}, + { + .irq_number = 0, /* END */ + .up_threshold = 0, + .enable = 0,}, +}; +#endif void mx6_init_irq(void) { void __iomem *gpc_base = IO_ADDRESS(GPC_BASE_ADDR); @@ -72,4 +106,8 @@ void mx6_init_irq(void) desc->irq_data.chip->irq_set_wake = mx6_gic_irq_set_wake; } mx6q_register_gpios(); +#ifdef CONFIG_CPU_FREQ_GOV_INTERACTIVE + for (i = 0; i < ARRAY_SIZE(mxc_irq_tuner); i++) + cpufreq_gov_irq_tuner_register(mxc_irq_tuner[i]); +#endif } |