Changes between Version 25 and Version 26 of SPI

Timestamp:

09/24/2026 06:55:07 PM (23 hours ago)

Author:

Ryan Erb

Comment:

add notes for compat strings

SPI

@@ -180 +180 @@
 An application using {{{spidev}}} would include the {{{<linux/spi/spidev.h>}}} header file.
 
+The compatible string doesn't actually do anything but must match one that the linux drivers/spi/spidev.c module binds to:
+{{{
+static const struct of_device_id spidev_dt_ids[] = {
+        { .compatible = "abb,spi-sensor", .data = &spidev_of_check },
+        { .compatible = "cisco,spi-petra", .data = &spidev_of_check },
+        { .compatible = "dh,dhcom-board", .data = &spidev_of_check },
+        { .compatible = "elgin,jg10309-01", .data = &spidev_of_check },
+        { .compatible = "gocontroll,moduline-module-slot", .data = &spidev_of_check},
+        { .compatible = "lineartechnology,ltc2488", .data = &spidev_of_check },
+        { .compatible = "lwn,bk4", .data = &spidev_of_check },
+        { .compatible = "lwn,bk4-spi", .data = &spidev_of_check },
+        { .compatible = "menlo,m53cpld", .data = &spidev_of_check },
+        { .compatible = "micron,spi-authenta", .data = &spidev_of_check },
+        { .compatible = "rohm,bh2228fv", .data = &spidev_of_check },
+        { .compatible = "rohm,dh2228fv", .data = &spidev_of_check },
+        { .compatible = "semtech,sx1301", .data = &spidev_of_check },
+        { .compatible = "silabs,em3581", .data = &spidev_of_check },
+        { .compatible = "silabs,si3210", .data = &spidev_of_check },
+        {},
+};
+}}}
 For more info see:
 * [https://www.kernel.org/doc/Documentation/spi/spidev Kernel Documentation]