Thread (14 messages) 14 messages, 4 authors, 2015-09-09
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[PATCH linux-next v5 4/5] Documentation: atmel-quadspi: add binding file for Atmel QSPI driver

From: Cyrille Pitchen <hidden>
Date: 2015-08-26 12:32:03
Also in: linux-arm-kernel, linux-spi, 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: Nicolas Ferre <redacted>
Acked-by: Marek Vasut <redacted>
---
 .../devicetree/bindings/mtd/atmel-quadspi.txt      | 29 ++++++++++++++++++++++
 1 file changed, 29 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..0b8d545bb198
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/atmel-quadspi.txt
@@ -0,0 +1,29 @@
+* Atmel Quad Serial Peripheral Interface (QSPI)
+
+Required properties:
+- compatible:     should be "atmel,sama5d2-qspi"
+- reg:            the first contains the register location and length,
+                  the second contains the memory mapping address and length
+- 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>;
+	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 {
+		...
+	};
+};
-- 
1.8.2.2

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