linux-kernel - [PATCH v3 6/6] ARM: dts: dra76x: Add MCAN node

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Date:   Wed, 6 Jun 2018 11:38:26 +0530
From:   Faiz Abbas <faiz_abbas@...com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-clk@...r.kernel.org>
CC:     <robh+dt@...nel.org>, <bcousson@...libre.com>, <tony@...mide.com>,
        <paul@...an.com>, <t-kristo@...com>, <faiz_abbas@...com>,
        <mark.rutland@....com>
Subject: [PATCH v3 6/6] ARM: dts: dra76x: Add MCAN node

From: Franklin S Cooper Jr <fcooper@...com>

Add support for the MCAN peripheral which supports both classic
CAN messages along with the new CAN-FD message.

Add MCAN node to evm and enable it with a maximum datarate of 5 mbps

Signed-off-by: Faiz Abbas <faiz_abbas@...com>
---
 arch/arm/boot/dts/dra76-evm.dts |  6 ++++++
 arch/arm/boot/dts/dra76x.dtsi   | 13 +++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/dra76-evm.dts b/arch/arm/boot/dts/dra76-evm.dts
index 2deb96405d06..b6ac2b6ffc6e 100644
--- a/arch/arm/boot/dts/dra76-evm.dts
+++ b/arch/arm/boot/dts/dra76-evm.dts
@@ -404,3 +404,9 @@
 	phys = <&pcie1_phy>, <&pcie2_phy>;
 	phy-names = "pcie-phy0", "pcie-phy1";
 };
+
+&m_can0 {
+	can-transceiver {
+		max-bitrate = <5000000>;
+	};
+};
diff --git a/arch/arm/boot/dts/dra76x.dtsi b/arch/arm/boot/dts/dra76x.dtsi
index 5157cc431574..613e4dc0ed3e 100644
--- a/arch/arm/boot/dts/dra76x.dtsi
+++ b/arch/arm/boot/dts/dra76x.dtsi
@@ -26,6 +26,19 @@
 			ti,syss-mask = <1>;
 			clocks = <&wkupaon_clkctrl DRA7_ADC_CLKCTRL 0>;
 			clock-names = "fck";
+
+			m_can0: mcan@...0 {
+				compatible = "bosch,m_can";
+				reg = <0x1a00 0x4000>, <0x0 0x18FC>;
+				reg-names = "m_can", "message_ram";
+				interrupt-parent = <&gic>;
+				interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "int0", "int1";
+				clocks = <&mcan_clk>, <&l3_iclk_div>;
+				clock-names = "cclk", "hclk";
+				bosch,mram-cfg = <0x0 0 0 32 0 0 1 1>;
+			};
 		};
 	};
 
-- 
2.17.0