From: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx> --- .../devicetree/bindings/spi/atmel-quadspi.txt | 28 ++++++++++++++++++++-- 1 file changed, 26 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/atmel-quadspi.txt b/Documentation/devicetree/bindings/spi/atmel-quadspi.txt index e9dae6264d89..e7b7f297c5d7 100644 --- a/Documentation/devicetree/bindings/spi/atmel-quadspi.txt +++ b/Documentation/devicetree/bindings/spi/atmel-quadspi.txt @@ -1,14 +1,22 @@ * Atmel Quad Serial Peripheral Interface (QSPI) 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 and the mapped memory. - reg-names: Should contain the resource reg names: - qspi_base: configuration register address space - qspi_mmap: memory mapped address space - interrupts: Should contain the interrupt for the device. -- clocks: The phandle of the clock needed by the QSPI controller. +- clocks: - "atmel,sama5d2-qspi": the phandle of the clock needed by the + QSPI controller. + - "microchip,sam9x60-qspi": should reference the peripheral + and system QSPI clocks. +- clock-names: Only for sam9x60 - should contain two strigs: + - "pclk" for the peripheral clock + - "qspick" for the system clock - #address-cells: Should be <1>. - #size-cells: Should be <0>. @@ -29,3 +37,19 @@ spi@f0020000 { ... }; }; + +qspi@f0014000 { + compatible = "microchip,sam9x60-qspi"; + reg = <0xf0014000 0x100>, <0x70000000 0x08000000>; + reg-names = "qspi_base", "qspi_mmap"; + interrupts = <35 IRQ_TYPE_LEVEL_HIGH 7>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 35>, <&pmc PMC_TYPE_SYSTEM 19>; + clock-names = "pclk", "qspick"; + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + + flash@0 { + ... + }; +}; -- 2.9.5 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/