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ARM: dts: dra76x: Add MCAN node

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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@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Faiz Abbas 2018-07-10 04:05:30 -07:00 • committed by Tony Lindgren
parent 09a070a369
commit 0adbe832f2
2 changed files with 19 additions and 0 deletions
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6
arch/arm/boot/dts/dra76-evm.dts
View file

@ -436,3 +436,9 @@
phys = <&pcie1_phy>, <&pcie2_phy>; phys = <&pcie1_phy>, <&pcie2_phy>;
phy-names = "pcie-phy0", "pcie-phy1"; phy-names = "pcie-phy0", "pcie-phy1";
}; };
&m_can0 {
can-transceiver {
max-bitrate = <5000000>;
};
};

13
arch/arm/boot/dts/dra76x.dtsi
View file

@ -26,6 +26,19 @@
ti,syss-mask = <1>; ti,syss-mask = <1>;
clocks = <&wkupaon_clkctrl DRA7_ADC_CLKCTRL 0>; clocks = <&wkupaon_clkctrl DRA7_ADC_CLKCTRL 0>;
clock-names = "fck"; clock-names = "fck";
m_can0: mcan@1a00 {
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>;
};
}; };
}; };