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/linux/drivers/platform/cznic/
H A Dturris-omnia-mcu-gpio.c575 __clear_bit(bit, &mcu->falling); in omnia_irq_shutdown()
618 __assign_bit(bit, &mcu->falling, type & IRQ_TYPE_EDGE_FALLING); in omnia_irq_set_type()
636 * omnia_mask_interleave - Interleaves the bytes from @rising and @falling
639 * @falling: falling mask
641 * Interleaves the little-endian bytes from @rising and @falling words.
643 * If @rising = (r0, r1, r2, r3) and @falling = (f0, f1, f2, f3), the result is
656 omnia_mask_interleave(u8 *dst, unsigned long rising, unsigned long falling) in omnia_mask_interleave() argument
660 dst[2 * i + 1] = falling >> (8 * i); in omnia_mask_interleave()
665 * omnia_mask_deinterleave - Deinterleaves the bytes into @rising and @falling
668 * @falling: pointer where to store the falling mask gathered from @src
[all …]
H A Dturris-omnia-mcu.h41 * @falling: bitmap of falling edge IRQs
83 unsigned long mask, rising, falling, both, cached, is_cached; member
/linux/drivers/comedi/drivers/
H A Dni_6527.c275 unsigned int falling) in ni6527_set_edge_detection() argument
280 falling &= mask; in ni6527_set_edge_detection()
288 /* preserve falling-edge detection channels */ in ni6527_set_edge_detection()
289 falling |= readb(dev->mmio + in ni6527_set_edge_detection()
296 /* update falling-edge detection channels */ in ni6527_set_edge_detection()
297 writeb(falling & 0xff, in ni6527_set_edge_detection()
301 falling >>= 8; in ni6527_set_edge_detection()
312 unsigned int rising, falling, shift; in ni6527_intr_insn_config() local
320 falling = data[2]; in ni6527_intr_insn_config()
321 ni6527_set_edge_detection(dev, mask, rising, falling); in ni6527_intr_insn_config()
[all …]
/linux/Documentation/devicetree/bindings/i2c/
H A Dsnps,designware-i2c.yaml81 i2c-scl-falling-time-ns:
83 The property should contain the SCL falling time in nanoseconds.
87 i2c-sda-falling-time-ns:
89 The property should contain the SDA falling time in nanoseconds.
141 i2c-sda-falling-time-ns = <300>;
142 i2c-scl-falling-time-ns = <300>;
H A Dhisilicon,ascend910-i2c.yaml35 i2c-sda-falling-time-ns:
38 i2c-scl-falling-time-ns:
65 i2c-sda-falling-time-ns = <56>;
66 i2c-scl-falling-time-ns = <56>;
H A Di2c-rk3x.yaml93 i2c-scl-falling-time-ns:
101 i2c-sda-falling-time-ns:
144 i2c-scl-falling-time-ns = <100>;
/linux/Documentation/devicetree/bindings/iio/adc/
H A Dst,stm32-dfsdm-adc.yaml133 - "SPI_F": SPI with data on falling edge
134 - "MANCH_R": manchester codec, rising edge = logic 0, falling edge = logic 1
135 - "MANCH_F": manchester codec, rising edge = logic 1, falling edge = logic 0
146 - "CLKOUT_F": internal SPI clock divided by 2 (falling edge).
201 - "SPI_F": SPI with data on falling edge
202 - "MANCH_R": manchester codec, rising edge = logic 0, falling edge = logic 1
203 - "MANCH_F": manchester codec, rising edge = logic 1, falling edge = logic 0
212 - "CLKOUT_F": internal SPI clock divided by 2 (falling edge).
/linux/drivers/gpio/
H A Dgpio-xilinx.c56 * @falling_edge: GPIO IRQ falling edge enable/disable bitfield
450 * Therefore, only rising edge or falling edge triggers are in xgpio_set_irq_type()
484 DECLARE_BITMAP(falling, 64); in xgpio_irqhandler()
504 bitmap_complement(falling, hw, 64); in xgpio_irqhandler()
505 bitmap_and(falling, falling, chip->last_irq_read, 64); in xgpio_irqhandler()
506 bitmap_and(falling, falling, chip->enable, 64); in xgpio_irqhandler()
507 bitmap_and(falling, falling, chip->falling_edge, 64); in xgpio_irqhandler()
510 bitmap_or(hw, rising, falling, 64); in xgpio_irqhandler()
514 dev_dbg(gc->parent, "IRQ rising %*pb falling %*pb\n", 64, rising, 64, falling); in xgpio_irqhandler()
H A Dgpio-sch.c180 int rising, falling; in sch_irq_type() local
185 falling = 0; in sch_irq_type()
189 falling = 1; in sch_irq_type()
193 falling = 1; in sch_irq_type()
202 sch_gpio_reg_set(sch, gpio_num, GTNE, falling); in sch_irq_type()
/linux/Documentation/devicetree/bindings/net/nfc/
H A Dmarvell,nci.yaml36 i2c-int-falling:
40 triggered on falling edge.
91 i2c-int-falling: false
103 i2c-int-falling: false
/linux/Documentation/devicetree/bindings/soc/fsl/cpm_qe/
H A Dfsl,cpm1-tsa.yaml96 fsl,clock-falling-edge:
99 Data is sent on falling edge of the clock (and received on the rising
100 edge). If 'clock-falling-edge' is not present, data is sent on the
101 rising edge (and received on the falling edge).
108 the falling edge.
H A Dfsl,qe-tsa.yaml96 fsl,clock-falling-edge:
99 Data is sent on falling edge of the clock (and received on the rising
101 on the falling edge).
107 clock. If not present, pulses are sampled with the falling edge.
/linux/Documentation/devicetree/bindings/display/panel/
H A Dpanel-timing.yaml170 Data driving on rising or falling edge.
171 Use 0 to drive pixel data on falling edge and
174 sample data on falling edge
180 Drive sync on rising or sample sync on falling edge.
182 Use 0 to drive sync on falling edge and
185 sample sync on falling edge of pixel clock
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio-adc-hi843517 this value then the threshold falling event is pushed.
27 If falling threshold results hysteresis to odd value then rising
47 If rising threshold results hysteresis to odd value then falling
H A Dsysfs-bus-iio-timer-stm3237 OC4REF rising or falling edges generate pulses.
39 OC6REF rising or falling edges generate pulses.
43 OC4REF rising or OC6REF falling edges generate
48 OC5REF rising or OC6REF falling edges generate
/linux/drivers/irqchip/
H A Dqcom-pdc.c146 * GIC does not handle falling edge or active low. To allow falling edge and
148 * falling edge into a rising edge and active low into an active high.
153 * Falling edge sensitive LOW
156 * Falling Edge sensitive NOT USED
175 * takes care of converting falling edge to rising edge signal
177 * takes care of converting falling edge to rising edge signal
/linux/arch/riscv/boot/dts/starfive/
H A Djh7100-common.dtsi317 i2c-sda-falling-time-ns = <500>;
318 i2c-scl-falling-time-ns = <500>;
337 i2c-sda-falling-time-ns = <100>;
338 i2c-scl-falling-time-ns = <100>;
347 i2c-sda-falling-time-ns = <500>;
348 i2c-scl-falling-time-ns = <500>;
/linux/Documentation/devicetree/bindings/net/dsa/
H A Dqca8k.yaml85 qca,sgmii-rxclk-falling-edge:
88 Set the receive clock phase to falling edge. Mostly commonly used on
91 qca,sgmii-txclk-falling-edge:
94 Set the transmit clock phase to falling edge.
287 qca,sgmii-rxclk-falling-edge;
/linux/drivers/mfd/
H A Dintel-lpss-acpi.c88 PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171),
89 PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 208),
104 PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171),
105 PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 208),
/linux/arch/arm/boot/dts/intel/socfpga/
H A Dsocfpga_arria5_socdk.dts92 * adjust the falling times to decrease the i2c frequency to 50Khz
95 i2c-sda-falling-time-ns = <5000>;
96 i2c-scl-falling-time-ns = <5000>;
H A Dsocfpga_arria10_socdk.dtsi131 * adjust the falling times to decrease the i2c frequency to 50Khz
135 i2c-sda-falling-time-ns = <6000>;
136 i2c-scl-falling-time-ns = <6000>;
/linux/Documentation/devicetree/bindings/net/
H A Dlantiq,pef2256.yaml74 lantiq,clock-falling-edge:
77 Data is sent on falling edge of the clock (and received on the rising
78 edge). If 'clock-falling-edge' is not present, data is sent on the
79 rising edge (and received on the falling edge).
/linux/drivers/iio/common/st_sensors/
H A Dst_sensors_trigger.c138 * If the IRQ is triggered on falling edge, we need to mark the in st_sensors_allocate_trigger()
147 …"falling/low specified for IRQ but hardware supports only rising/high: will request rising/high\n"… in st_sensors_allocate_trigger()
153 /* Set up INT active low i.e. falling edge */ in st_sensors_allocate_trigger()
160 "interrupts on the falling edge or active low level\n"); in st_sensors_allocate_trigger()
/linux/Documentation/devicetree/bindings/sound/
H A Dcirrus,cs42l43.yaml133 Time in milliseconds a falling edge on the tip detect should be hardware
134 debounced for. Note the falling edge is considered after the invert.
163 Time in milliseconds a falling edge on the ring detect should be hardware
164 debounced for. Note the falling edge is considered after the invert.
/linux/Documentation/input/devices/
H A Drotary-encoder.rst12 and by triggering on falling and rising edges, the turn direction can
63 c) Falling edge on channel A, channel B in high state
66 d) Falling edge on channel B, channel A in low state

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