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Merge branch 'pm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-linus

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This commit is contained in:
Tony Lindgren 2010-05-20 11:11:44 -07:00
commit 5a5f561e40
5 changed files with 41 additions and 28 deletions
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1
arch/arm/mach-omap2/board-3430sdp.c
View file

@ -150,6 +150,7 @@ static int ads7846_get_pendown_state(void)
static struct ads7846_platform_data tsc2046_config __initdata = {
.get_pendown_state = ads7846_get_pendown_state,
.keep_vref_on = 1,
.wakeup = true,
};

6
arch/arm/mach-omap2/board-omap3evm.c
View file

@ -600,6 +600,7 @@ struct ads7846_platform_data ads7846_config = {
.get_pendown_state = ads7846_get_pendown_state,
.keep_vref_on = 1,
.settle_delay_usecs = 150,
.wakeup = true,
};
static struct omap2_mcspi_device_config ads7846_mcspi_config = {
@ -651,11 +652,10 @@ static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
OMAP_PIN_OFF_INPUT_PULLUP |
OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
OMAP_PIN_OFF_WAKEUPENABLE),
OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
OMAP_PIN_OFF_INPUT_PULLUP |
OMAP_PIN_OFF_WAKEUPENABLE),
OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW),
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#else

3
arch/arm/mach-omap2/pm-debug.c
View file

@ -548,6 +548,9 @@ static int option_set(void *data, u64 val)
{
u32 *option = data;
if (option == &wakeup_timer_milliseconds && val >= 1000)
return -EINVAL;
*option = val;
if (option == &enable_off_mode)

1
arch/arm/mach-omap2/pm.h
View file

@ -43,6 +43,7 @@ extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
extern u32 wakeup_timer_seconds;
extern u32 wakeup_timer_milliseconds;
extern struct omap_dm_timer *gptimer_wakeup;
#ifdef CONFIG_PM_DEBUG

58
arch/arm/mach-omap2/pm34xx.c
View file

@ -58,6 +58,7 @@
u32 enable_off_mode;
u32 sleep_while_idle;
u32 wakeup_timer_seconds;
u32 wakeup_timer_milliseconds;
struct power_state {
struct powerdomain *pwrdm;
@ -267,13 +268,16 @@ static int _prcm_int_handle_wakeup(void)
*/
static irqreturn_t prcm_interrupt_handler (int irq, void *dev_id)
{
u32 irqstatus_mpu;
u32 irqenable_mpu, irqstatus_mpu;
int c = 0;
do {
irqstatus_mpu = prm_read_mod_reg(OCP_MOD,
OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
irqenable_mpu = prm_read_mod_reg(OCP_MOD,
OMAP3_PRM_IRQENABLE_MPU_OFFSET);
irqstatus_mpu = prm_read_mod_reg(OCP_MOD,
OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
irqstatus_mpu &= irqenable_mpu;
do {
if (irqstatus_mpu & (OMAP3430_WKUP_ST | OMAP3430_IO_ST)) {
c = _prcm_int_handle_wakeup();
@ -292,7 +296,11 @@ static irqreturn_t prcm_interrupt_handler (int irq, void *dev_id)
prm_write_mod_reg(irqstatus_mpu, OCP_MOD,
OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
} while (prm_read_mod_reg(OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET));
irqstatus_mpu = prm_read_mod_reg(OCP_MOD,
OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
irqstatus_mpu &= irqenable_mpu;
} while (irqstatus_mpu);
return IRQ_HANDLED;
}
@ -371,9 +379,16 @@ void omap_sram_idle(void)
if (pwrdm_read_pwrst(neon_pwrdm) == PWRDM_POWER_ON)
pwrdm_set_next_pwrst(neon_pwrdm, mpu_next_state);
/* PER */
/* Enable IO-PAD and IO-CHAIN wakeups */
per_next_state = pwrdm_read_next_pwrst(per_pwrdm);
core_next_state = pwrdm_read_next_pwrst(core_pwrdm);
if (per_next_state < PWRDM_POWER_ON ||
core_next_state < PWRDM_POWER_ON) {
prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
omap3_enable_io_chain();
}
/* PER */
if (per_next_state < PWRDM_POWER_ON) {
omap_uart_prepare_idle(2);
omap2_gpio_prepare_for_idle(per_next_state);
@ -398,10 +413,8 @@ void omap_sram_idle(void)
omap3_core_save_context();
omap3_prcm_save_context();
}
/* Enable IO-PAD and IO-CHAIN wakeups */
prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
omap3_enable_io_chain();
}
omap3_intc_prepare_idle();
/*
@ -463,7 +476,8 @@ void omap_sram_idle(void)
}
/* Disable IO-PAD and IO-CHAIN wakeup */
if (core_next_state < PWRDM_POWER_ON) {
if (per_next_state < PWRDM_POWER_ON ||
core_next_state < PWRDM_POWER_ON) {
prm_clear_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
omap3_disable_io_chain();
}
@ -548,20 +562,21 @@ static void omap3_pm_idle(void)
#ifdef CONFIG_SUSPEND
static suspend_state_t suspend_state;
static void omap2_pm_wakeup_on_timer(u32 seconds)
static void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds)
{
u32 tick_rate, cycles;
if (!seconds)
if (!seconds && !milliseconds)
return;
tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer_wakeup));
cycles = tick_rate * seconds;
cycles = tick_rate * seconds + tick_rate * milliseconds / 1000;
omap_dm_timer_stop(gptimer_wakeup);
omap_dm_timer_set_load_start(gptimer_wakeup, 0, 0xffffffff - cycles);
pr_info("PM: Resume timer in %d secs (%d ticks at %d ticks/sec.)\n",
seconds, cycles, tick_rate);
pr_info("PM: Resume timer in %u.%03u secs"
" (%d ticks at %d ticks/sec.)\n",
seconds, milliseconds, cycles, tick_rate);
}
static int omap3_pm_prepare(void)
@ -575,8 +590,9 @@ static int omap3_pm_suspend(void)
struct power_state *pwrst;
int state, ret = 0;
if (wakeup_timer_seconds)
omap2_pm_wakeup_on_timer(wakeup_timer_seconds);
if (wakeup_timer_seconds || wakeup_timer_milliseconds)
omap2_pm_wakeup_on_timer(wakeup_timer_seconds,
wakeup_timer_milliseconds);
/* Read current next_pwrsts */
list_for_each_entry(pwrst, &pwrst_list, node)
@ -1080,14 +1096,6 @@ static int __init omap3_pm_init(void)
omap3_idle_init();
clkdm_add_wkdep(neon_clkdm, mpu_clkdm);
/*
* REVISIT: This wkdep is only necessary when GPIO2-6 are enabled for
* IO-pad wakeup. Otherwise it will unnecessarily waste power
* waking up PER with every CORE wakeup - see
* http://marc.info/?l=linux-omap&m=121852150710062&w=2
*/
clkdm_add_wkdep(per_clkdm, core_clkdm);
if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
omap3_secure_ram_storage =
kmalloc(0x803F, GFP_KERNEL);