netdev - [PATCH 2/2] arm64: dts: r8a7795: Add CAN support

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Message-Id: <1456737661-20538-3-git-send-email-ramesh.shanmugasundaram@bp.renesas.com>
Date:	Mon, 29 Feb 2016 09:21:01 +0000
From:	Ramesh Shanmugasundaram <ramesh.shanmugasundaram@...renesas.com>
To:	mkl@...gutronix.de, wg@...ndegger.com, horms@...ge.net.au,
	magnus.damm@...il.com, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org
Cc:	linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-can@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	netdev@...r.kernel.org, chris.paterson2@...esas.com,
	Ramesh Shanmugasundaram <ramesh.shanmugasundaram@...renesas.com>
Subject: [PATCH 2/2] arm64: dts: r8a7795: Add CAN support

Adds CAN controller nodes for r8a7795.

Note: CAN channel register base address mentioned in R-Car Gen3 Hardware
User Manual v0.5E is incorrect. The corrected base addresses are:

CAN Channel 0 - 0xe6c30000
CAN Channel 1 - 0xe6c38000

Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@...renesas.com>
---
 arch/arm64/boot/dts/renesas/r8a7795.dtsi | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 4049182..a88f8d8 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -523,6 +523,36 @@
 			#size-cells = <0>;
 		};
 
+		can0: can@...30000 {
+			compatible = "renesas,can-r8a7795",
+				     "renesas,rcar-gen3-can";
+			reg = <0 0xe6c30000 0 0x1000>;
+			interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 916>,
+			       <&cpg CPG_CORE R8A7795_CLK_CANFD>,
+			       <&can_clk>;
+			clock-names = "clkp1", "clkp2", "can_clk";
+			assigned-clocks = <&cpg CPG_CORE R8A7795_CLK_CANFD>;
+			assigned-clock-rates = <40000000>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		can1: can@...38000 {
+			compatible = "renesas,can-r8a7795",
+				     "renesas,rcar-gen3-can";
+			reg = <0 0xe6c38000 0 0x1000>;
+			interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 915>,
+			       <&cpg CPG_CORE R8A7795_CLK_CANFD>,
+			       <&can_clk>;
+			clock-names = "clkp1", "clkp2", "can_clk";
+			assigned-clocks = <&cpg CPG_CORE R8A7795_CLK_CANFD>;
+			assigned-clock-rates = <40000000>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
 		hscif0: serial@...40000 {
 			compatible = "renesas,hscif-r8a7795",
 				     "renesas,rcar-gen3-hscif",
-- 
1.9.1