tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1TI QSPI controller.
2
3Required properties:
4- compatible : should be "ti,dra7xxx-qspi" or "ti,am4372-qspi".
5- reg: Should contain QSPI registers location and length.
6- reg-names: Should contain the resource reg names.
7 - qspi_base: Qspi configuration register Address space
8 - qspi_mmap: Memory mapped Address space
9 - (optional) qspi_ctrlmod: Control module Address space
10- interrupts: should contain the qspi interrupt number.
11- #address-cells, #size-cells : Must be present if the device has sub-nodes
12- ti,hwmods: Name of the hwmod associated to the QSPI
13
14Recommended properties:
15- spi-max-frequency: Definition as per
16 Documentation/devicetree/bindings/spi/spi-bus.txt
17
18Example:
19
20qspi: qspi@4b300000 {
21 compatible = "ti,dra7xxx-qspi";
22 reg = <0x47900000 0x100>, <0x30000000 0x3ffffff>;
23 reg-names = "qspi_base", "qspi_mmap";
24 #address-cells = <1>;
25 #size-cells = <0>;
26 spi-max-frequency = <25000000>;
27 ti,hwmods = "qspi";
28};