ARM: dts: dra76x: Add MCAN node

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>

diff --git a/arch/arm/boot/dts/dra76-evm.dts b/arch/arm/boot/dts/dra76-evm.dts
index c07f0051844dcace1d6093371d89c037cc4a7b6b..0ac533784b115ef7684f44e8d7ac58dd3397fff4 100644 (file)
--- a/arch/arm/boot/dts/dra76-evm.dts
+++ b/arch/arm/boot/dts/dra76-evm.dts
@@ -436,3 +436,9 @@
        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 5157cc43157458a57edf89c9261de65604e56a14..613e4dc0ed3ec26225173c9f62657c3d5150889b 100644 (file)
--- 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@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>;
+                       };
                };
        };