linux-kernel - [PATCH v3 1/2] spi: pic32-sqi: add binding document for PIC32 Quad-SPI driver.

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Message-ID: <1460719639-4132-1-git-send-email-purna.mandal@microchip.com>
Date:	Fri, 15 Apr 2016 16:57:18 +0530
From:	Purna Chandra Mandal <purna.mandal@...rochip.com>
To:	<linux-kernel@...r.kernel.org>, <linux-spi@...r.kernel.org>
CC:	Mark Brown <broonie@...nel.org>,
	Purna Chandra Mandal <purna.mandal@...rochip.com>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	<devicetree@...r.kernel.org>
Subject: [PATCH v3 1/2] spi: pic32-sqi: add binding document for PIC32 Quad-SPI driver.

Document Device tree bindings for the quad SPI peripheral
found on Microchip PIC32 class devices.

Signed-off-by: Purna Chandra Mandal <purna.mandal@...rochip.com>
Acked-by: Rob Herring <rob@...nel.org>

Cc: Kumar Gala <galak@...eaurora.org>
Cc: Ian Campbell <ijc+devicetree@...lion.org.uk>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Pawel Moll <pawel.moll@....com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Mark Brown <broonie@...nel.org>

---

Changes in v3:
- update exmaple, replace 'sqi@' with 'spi@'.

Changes in v2: None

 Documentation/devicetree/bindings/spi/sqi-pic32.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/sqi-pic32.txt

diff --git a/Documentation/devicetree/bindings/spi/sqi-pic32.txt b/Documentation/devicetree/bindings/spi/sqi-pic32.txt
new file mode 100644
index 0000000..c82d021
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/sqi-pic32.txt
@@ -0,0 +1,18 @@
+Microchip PIC32 Quad SPI controller
+-----------------------------------
+Required properties:
+- compatible: Should be "microchip,pic32mzda-sqi".
+- reg: Address and length of SQI controller register space.
+- interrupts: Should contain SQI interrupt.
+- clocks: Should contain phandle of two clocks in sequence, one that drives
+          clock on SPI bus and other that drives SQI controller.
+- clock-names: Should be "spi_ck" and "reg_ck" in order.
+
+Example:
+	sqi1: spi@...e2000 {
+		compatible = "microchip,pic32mzda-sqi";
+		reg = <0x1f8e2000 0x200>;
+		clocks = <&rootclk REF2CLK>, <&rootclk PB5CLK>;
+		clock-names = "spi_ck", "reg_ck";
+		interrupts = <169 IRQ_TYPE_LEVEL_HIGH>;
+	};
-- 
1.8.3.1