linux-kernel - [PATCH linux-next v4 4/5] Documentation: atmel-quadspi: add binding file for Atmel QSPI driver

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Date:	Mon, 24 Aug 2015 12:13:59 +0200
From:	Cyrille Pitchen <cyrille.pitchen@...el.com>
To:	<nicolas.ferre@...el.com>, <broonie@...nel.org>,
	<linux-spi@...r.kernel.org>, <dwmw2@...radead.org>,
	<computersforpeace@...il.com>, <zajec5@...il.com>,
	<beanhuo@...ron.com>, <juhosg@...nwrt.org>, <marex@...x.de>,
	<shijie.huang@...el.com>, <ben@...adent.org.uk>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<devicetree@...r.kernel.org>, <robh+dt@...nel.org>,
	<pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<linux-mtd@...ts.infradead.org>,
	Cyrille Pitchen <cyrille.pitchen@...el.com>
Subject: [PATCH linux-next v4 4/5] Documentation: atmel-quadspi: add binding file for Atmel QSPI driver

This patch documents the DT bindings for the driver of the Atmel QSPI
controller embedded inside sama5d2x SoCs.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@...el.com>
Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>
---
 .../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@...20000 {
+	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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