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@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 4049182e66087b720db70303547f9cafa02cf248..a88f8d840c48326deac100c6a80915d4a0b125ba 100644 (file)
--- 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@e6c30000 {
+                       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@e6c38000 {
+                       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@e6540000 {
                        compatible = "renesas,hscif-r8a7795",
                                     "renesas,rcar-gen3-hscif",