28.06.2019 5:12, Sowjanya Komatineni пишет: > This patch implements PMC wakeup sequence for Tegra210 and defines > common used RTC alarm wake event. > > Signed-off-by: Sowjanya Komatineni <[email protected]> > --- > drivers/soc/tegra/pmc.c | 111 > ++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 111 insertions(+) > > diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c > index 91c84d0e66ae..194100d77243 100644 > --- a/drivers/soc/tegra/pmc.c > +++ b/drivers/soc/tegra/pmc.c > @@ -57,6 +57,12 @@ > #define PMC_CNTRL_SYSCLK_OE BIT(11) /* system clock enable */ > #define PMC_CNTRL_SYSCLK_POLARITY BIT(10) /* sys clk polarity */ > #define PMC_CNTRL_MAIN_RST BIT(4) > +#define PMC_CNTRL_LATCH_WAKEUPS BIT(5) > + > +#define PMC_WAKE_MASK 0x0c > +#define PMC_WAKE_LEVEL 0x10 > +#define PMC_WAKE_STATUS 0x14 > +#define PMC_SW_WAKE_STATUS 0x18 > > #define DPD_SAMPLE 0x020 > #define DPD_SAMPLE_ENABLE BIT(0) > @@ -87,6 +93,11 @@ > > #define PMC_SCRATCH41 0x140 > > +#define PMC_WAKE2_MASK 0x160 > +#define PMC_WAKE2_LEVEL 0x164 > +#define PMC_WAKE2_STATUS 0x168 > +#define PMC_SW_WAKE2_STATUS 0x16c > + > #define PMC_SENSOR_CTRL 0x1b0 > #define PMC_SENSOR_CTRL_SCRATCH_WRITE BIT(2) > #define PMC_SENSOR_CTRL_ENABLE_RST BIT(1) > @@ -1922,6 +1933,55 @@ static const struct irq_domain_ops > tegra_pmc_irq_domain_ops = { > .alloc = tegra_pmc_irq_alloc, > }; > > +static int tegra210_pmc_irq_set_wake(struct irq_data *data, unsigned int on) > +{ > + struct tegra_pmc *pmc = irq_data_get_irq_chip_data(data); > + unsigned int offset, bit; > + u32 value; > + > + if (data->hwirq == ULONG_MAX) > + return 0; > + > + offset = data->hwirq / 32; > + bit = data->hwirq % 32; > + > + /* > + * latch wakeups to SW_WAKE_STATUS register to capture events > + * that would not make it into wakeup event register during LP0 exit. > + */
Minor nit: start multi-line comments with a capital letter.
