Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / spi / atmel-quadspi.txt
1 * Atmel Quad Serial Peripheral Interface (QSPI)
2
3 Required properties:
4 - compatible:     Should be one of the following:
5                   - "atmel,sama5d2-qspi"
6                   - "microchip,sam9x60-qspi"
7 - reg:            Should contain the locations and lengths of the base registers
8                   and the mapped memory.
9 - reg-names:      Should contain the resource reg names:
10                   - qspi_base: configuration register address space
11                   - qspi_mmap: memory mapped address space
12 - interrupts:     Should contain the interrupt for the device.
13 - clocks:         Should reference the peripheral clock and the QSPI system
14                   clock if available.
15 - clock-names:    Should contain "pclk" for the peripheral clock and "qspick"
16                   for the system clock when available.
17 - #address-cells: Should be <1>.
18 - #size-cells:    Should be <0>.
19
20 Example:
21
22 spi@f0020000 {
23         compatible = "atmel,sama5d2-qspi";
24         reg = <0xf0020000 0x100>, <0xd0000000 0x8000000>;
25         reg-names = "qspi_base", "qspi_mmap";
26         interrupts = <52 IRQ_TYPE_LEVEL_HIGH 7>;
27         clocks = <&pmc PMC_TYPE_PERIPHERAL 52>;
28         clock-names = "pclk";
29         #address-cells = <1>;
30         #size-cells = <0>;
31         pinctrl-names = "default";
32         pinctrl-0 = <&pinctrl_spi0_default>;
33
34         m25p80@0 {
35                 ...
36         };
37 };