linux-kernel - [PATCH v3] ARM: zynq: DT: Add CAN node

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Date:	Mon, 28 Jul 2014 11:17:31 +0200
From:	Michal Simek <michal.simek@...inx.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Appana Durga Kedareswara Rao <appanad@...inx.com>,
	monstr@...str.eu, Josh Cartwright <josh.cartwright@...com>,
	Steffen Trumtrar <s.trumtrar@...gutronix.de>,
	Rob Herring <robherring2@...il.com>,
	Peter Crosthwaite <peter.crosthwaite@...inx.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3] ARM: zynq: DT: Add CAN node

Add node describing Zynq's CAN controller.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

Changes in v3:
- Fix clocks description for can1

Changes in v2:
- Add can1
- Enable can0 for zc702
- Use status property

 arch/arm/boot/dts/zynq-7000.dtsi | 26 +++++++++++++++++++++++++-
 arch/arm/boot/dts/zynq-zc702.dts |  4 ++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index ef11dab30446..6cc83d4c6c76 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -71,7 +71,31 @@
 			interrupts = <0 7 4>;
 			interrupt-parent = <&intc>;
 			clocks = <&clkc 12>;
-		};
+		};
+
+		can0: can@...08000 {
+			compatible = "xlnx,zynq-can-1.0";
+			status = "disabled";
+			clocks = <&clkc 19>, <&clkc 36>;
+			clock-names = "can_clk", "pclk";
+			reg = <0xe0008000 0x1000>;
+			interrupts = <0 28 4>;
+			interrupt-parent = <&intc>;
+			tx-fifo-depth = <0x40>;
+			rx-fifo-depth = <0x40>;
+		};
+
+		can1: can@...09000 {
+			compatible = "xlnx,zynq-can-1.0";
+			status = "disabled";
+			clocks = <&clkc 20>, <&clkc 37>;
+			clock-names = "can_clk", "pclk";
+			reg = <0xe0009000 0x1000>;
+			interrupts = <0 51 4>;
+			interrupt-parent = <&intc>;
+			tx-fifo-depth = <0x40>;
+			rx-fifo-depth = <0x40>;
+		};

 		gpio0: gpio@...0a000 {
 			compatible = "xlnx,zynq-gpio-1.0";
diff --git a/arch/arm/boot/dts/zynq-zc702.dts b/arch/arm/boot/dts/zynq-zc702.dts
index 5e09cee33d42..835c3089c61c 100644
--- a/arch/arm/boot/dts/zynq-zc702.dts
+++ b/arch/arm/boot/dts/zynq-zc702.dts
@@ -29,6 +29,10 @@

 };

+&can0 {
+	status = "okay";
+};
+
 &gem0 {
 	status = "okay";
 	phy-mode = "rgmii";
--
1.8.2.3


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