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dt-bindings: spi: atmel-quadspi: QuadSPI driver for Microchip SAM9X60

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The sam9x60 qspi controller uses 2 clocks, one for the peripheral register
access, the other for the qspi core and phy. Both are mandatory.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tudor Ambarus
2019-02-05 17:33:35 +00:00
committed by Mark Brown
parent bd7905e2fe
commit 3a6c501e96
1 changed files with 7 additions and 3 deletions
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10
Documentation/devicetree/bindings/spi/atmel-quadspi.txt
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@@ -1,15 +1,19 @@
* Atmel Quad Serial Peripheral Interface (QSPI) * Atmel Quad Serial Peripheral Interface (QSPI)
Required properties: Required properties:
- compatible: Should be "atmel,sama5d2-qspi". - compatible: Should be one of the following:
- "atmel,sama5d2-qspi"
- "microchip,sam9x60-qspi"
- reg: Should contain the locations and lengths of the base registers - reg: Should contain the locations and lengths of the base registers
and the mapped memory. and the mapped memory.
- reg-names: Should contain the resource reg names: - reg-names: Should contain the resource reg names:
- qspi_base: configuration register address space - qspi_base: configuration register address space
- qspi_mmap: memory mapped address space - qspi_mmap: memory mapped address space
- interrupts: Should contain the interrupt for the device. - interrupts: Should contain the interrupt for the device.
- clocks: The phandle of the clock needed by the QSPI controller. - clocks: Should reference the peripheral clock and the QSPI system
- clock-names: Should contain "pclk" for the peripheral clock. clock if available.
- clock-names: Should contain "pclk" for the peripheral clock and "qspick"
for the system clock when available.
- #address-cells: Should be <1>. - #address-cells: Should be <1>.
- #size-cells: Should be <0>. - #size-cells: Should be <0>.