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/linux-6.14.4/drivers/fpga/
Daltera-ps-spi.c40 struct gpio_desc *confd; member
206 if (conf->confd) { in altera_ps_write_complete()
207 if (!gpiod_get_raw_value_cansleep(conf->confd)) { in altera_ps_write_complete()
258 conf->confd = devm_gpiod_get_optional(&spi->dev, "confd", GPIOD_IN); in altera_ps_probe()
259 if (IS_ERR(conf->confd)) { in altera_ps_probe()
260 dev_err(&spi->dev, "Failed to get confd gpio: %ld\n", in altera_ps_probe()
261 PTR_ERR(conf->confd)); in altera_ps_probe()
262 return PTR_ERR(conf->confd); in altera_ps_probe()
263 } else if (!conf->confd) { in altera_ps_probe()
264 dev_warn(&spi->dev, "Not using confd gpio"); in altera_ps_probe()
/linux-6.14.4/Documentation/devicetree/bindings/fpga/
Daltr,fpga-passive-serial.yaml45 confd-gpios:
47 confd pin (referred to as CONF_DONE in the manual)
71 confd-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
/linux-6.14.4/arch/arm/boot/dts/nxp/imx/
Dimx6q-lxr.dts33 confd-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
/linux-6.14.4/sound/soc/codecs/
Dsta32x.h94 /* 0x03 CONFD */
Dsta350.h115 /* 0x03 CONFD */
Dsta350.c444 /* CONFD */