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/linux/drivers/gpio/
H A Dgpio-sama5d2-piobu.c3 * SAMA5D2 PIOBU GPIO controller
32 #define PIOBU_BASE 0x18 /* PIOBU offset from SECUMOD base register address. */
61 struct sama5d2_piobu *piobu = container_of(chip, struct sama5d2_piobu, in sama5d2_piobu_setup_pin() local
65 ret = regmap_update_bits(piobu->regmap, PIOBU_BMPR, mask, 0); in sama5d2_piobu_setup_pin()
69 ret = regmap_update_bits(piobu->regmap, PIOBU_NMPR, mask, 0); in sama5d2_piobu_setup_pin()
73 return regmap_update_bits(piobu->regmap, PIOBU_WKPR, mask, 0); in sama5d2_piobu_setup_pin()
77 * sama5d2_piobu_write_value() - writes value & mask at the pin's PIOBU register
83 struct sama5d2_piobu *piobu = container_of(chip, struct sama5d2_piobu, in sama5d2_piobu_write_value() local
88 return regmap_update_bits(piobu->regmap, reg, mask, value); in sama5d2_piobu_write_value()
92 * sama5d2_piobu_read_value() - read the value with masking from the pin's PIOBU
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H A DKconfig644 tristate "SAMA5D2 PIOBU GPIO support"
650 Say yes here to use the PIOBU pins as GPIOs.
652 PIOBU pins on the SAMA5D2 can be used as GPIOs.
/linux/Documentation/devicetree/bindings/arm/
H A Datmel,sama5d2-secumod.yaml13 The Security Module also offers the PIOBU pins which can be used as GPIO pins.
/linux/arch/arm/boot/dts/microchip/
H A Dat91-sama5d27_wlsom1.dtsi87 lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>;
H A Dat91-sama5d2_icp.dts238 lpm-gpios = <&pioBU 7 GPIO_ACTIVE_LOW>;
H A Dsama5d2.dtsi1088 pioBU: secumod@fc040000 { label
/linux/
H A DMAINTAINERS20320 F: drivers/gpio/gpio-sama5d2-piobu.c