[PATCH v3 13/14] Documentation: atmel-quadspi: add binding file for Atmel QSPI driver
From: Cyrille Pitchen <hidden>
Date: 2016-02-03 13:30:47
Also in:
linux-arm-kernel, lkml
Subsystem:
memory technology devices (mtd), open firmware and flattened device tree bindings, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch documents the DT bindings for the driver of the Atmel QSPI controller embedded inside sama5d2x SoCs. Signed-off-by: Cyrille Pitchen <redacted> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Nicolas Ferre <redacted> --- .../devicetree/bindings/mtd/atmel-quadspi.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/atmel-quadspi.txt
diff --git a/Documentation/devicetree/bindings/mtd/atmel-quadspi.txt b/Documentation/devicetree/bindings/mtd/atmel-quadspi.txt
new file mode 100644
index 000000000000..489807005eda
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/atmel-quadspi.txt@@ -0,0 +1,32 @@ +* Atmel Quad Serial Peripheral Interface (QSPI) + +Required properties: +- compatible: Should be "atmel,sama5d2-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. +- #address-cells: Should be <1>. +- #size-cells: Should be <0>. + +Example: + +spi@f0020000 { + compatible = "atmel,sama5d2-qspi"; + reg = <0xf0020000 0x100>, <0xd0000000 0x8000000>; + reg-names = "qspi_base", "qspi_mmap"; + interrupts = <52 IRQ_TYPE_LEVEL_HIGH 7>; + clocks = <&spi0_clk>; + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_spi0_default>; + status = "okay"; + + m25p80@0 { + ... + }; +};
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1.8.2.2