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/Linux-v6.6/drivers/fpga/
Dxilinx-spi.c26 struct gpio_desc *init_b; member
52 * wait_for_init_b - wait for the INIT_B pin to have a given state, or wait
56 * @value: Value INIT_B to wait for (1 = asserted = low)
57 * @alt_udelay: Delay to wait if the INIT_B GPIO is not available
59 * Returns 0 when the INIT_B GPIO reached the given state or -ETIMEDOUT if
60 * too much time passed waiting for that. If no INIT_B GPIO is available
69 if (conf->init_b) { in wait_for_init_b()
71 int ret = gpiod_get_value(conf->init_b); in wait_for_init_b()
77 dev_err(&mgr->dev, "Error reading INIT_B (%d)\n", ret); in wait_for_init_b()
84 dev_err(&mgr->dev, "Timeout waiting for INIT_B to %s\n", in wait_for_init_b()
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/Linux-v6.6/Documentation/devicetree/bindings/fpga/
Dxlnx,fpga-slave-serial.yaml52 (referred to as INIT_B in the manual)
/Linux-v6.6/arch/arm/boot/dts/ti/omap/
Dam3874-iceboard.dts317 DM814X_IOPAD(0x0820, PIN_INPUT | 0x80) /* INIT_B */
389 "", "PROGRAM_B", "INIT_B", "DONE", /* 0-3 */