dts: arm: ti: mspm0: g: Add CAN-FD support for TI MSPM0 G-Series

Add CAN-FD devicetree nodes for MSPM0 G-Series SoCs that include
the peripheral: mspm0g310x, mspm0g350x and mspm0gx51x.

Signed-off-by: Santhosh Charles <[email protected]>
Signed-off-by: Tomasz Bursztyka <[email protected]>

Author: santhosh-c-c

dts/arm/ti/mspm0/g/mspm0g310x.dtsi

@@ -1,3 +1,29 @@
 /* SPDX-License-Identifier: Apache-2.0 */
 
 #include <ti/mspm0/g/mspm0g.dtsi>
+
+/ {
+	soc {
+		canfd0: can@40508000 {
+			compatible = "ti,mspm0-canfd";
+			reg =  <0x40508000 0x8000>, <0x4050F000 0x1000>, <0x40508000 0x400>;
+			reg-names = "ti_canfd", "m_can", "message_ram";
+			interrupts = <6 0>;
+			clocks = <&ckm MSPM0_CLOCK_CANCLK>;
+			ti,divider = <0>;
+			bosch,mram-cfg = <0x0 20 8 3 3 0 3 3>;
+			/*
+			 * # 20 11-bit filter elements = 20x4  = 80B
+			 * # 8  29-bit filter elements =  8x8  = 64B
+			 * # 3 RX FIFO0 elements =        3x72 = 216B
+			 * # 3 RX FIFO1 elements =        3x72 = 216B
+			 * # 0 RX buffer elemets =        0x72 = 0B
+			 * # 3 TX FIFO elements =         3x8  = 24B
+			 * # 3 TX Buffer elements =       3x72 = 216B
+			 * # Total RAM                         = 816B
+			 */
+			sample-point = <875>;
+			status = "disabled";
+		};
+	};
+};

dts/arm/ti/mspm0/g/mspm0g350x.dtsi

@@ -1,3 +1,29 @@
 /* SPDX-License-Identifier: Apache-2.0 */
 
 #include <ti/mspm0/g/mspm0g.dtsi>
+
+/ {
+	soc {
+		canfd0: can@40508000 {
+			compatible = "ti,mspm0-canfd";
+			reg =  <0x40508000 0x8000>, <0x4050F000 0x1000>, <0x40508000 0x400>;
+			reg-names = "ti_canfd", "m_can", "message_ram";
+			interrupts = <6 0>;
+			clocks = <&ckm MSPM0_CLOCK_CANCLK>;
+			ti,divider = <0>;
+			bosch,mram-cfg = <0x0 20 8 3 3 0 3 3>;
+			/*
+			 * # 20 11-bit filter elements = 20x4  = 80B
+			 * # 8  29-bit filter elements =  8x8  = 64B
+			 * # 3 RX FIFO0 elements =        3x72 = 216B
+			 * # 3 RX FIFO1 elements =        3x72 = 216B
+			 * # 0 RX buffer elemets =        0x72 = 0B
+			 * # 3 TX FIFO elements =         3x8  = 24B
+			 * # 3 TX Buffer elements =       3x72 = 216B
+			 * # Total RAM                         = 816B
+			 */
+			sample-point = <875>;
+			status = "disabled";
+		};
+	};
+};

dts/arm/ti/mspm0/g/mspm0gx51x.dtsi

@@ -60,5 +60,49 @@
 				status = "disabled";
 			};
 		};
+
+		canfd0: can@40508000 {
+			compatible = "ti,mspm0-canfd";
+			reg =  <0x40508000 0x8000>, <0x4050F000 0x1000>, <0x40508000 0x400>;
+			reg-names = "ti_canfd", "m_can", "message_ram";
+			interrupts = <6 0>;
+			clocks = <&ckm MSPM0_CLOCK_CANCLK>;
+			ti,divider = <0>;
+			bosch,mram-cfg = <0x0 20 8 3 3 0 3 3>;
+			/*
+			 * # 20 11-bit filter elements = 20x4  = 80B
+			 * # 8  29-bit filter elements =  8x8  = 64B
+			 * # 3 RX FIFO0 elements =        3x72 = 216B
+			 * # 3 RX FIFO1 elements =        3x72 = 216B
+			 * # 0 RX buffer elemets =        0x72 = 0B
+			 * # 3 TX FIFO elements =         3x8  = 24B
+			 * # 3 TX Buffer elements =       3x72 = 216B
+			 * # Total RAM                         = 816B
+			 */
+			sample-point = <875>;
+			status = "disabled";
+		};
+
+		canfd1: can@40510000 {
+			compatible = "ti,mspm0-canfd";
+			reg =  <0x40510000 0x8000>, <0x40510000 0x1000>, <0x40510000 0x400>;
+			reg-names = "ti_canfd", "m_can", "message_ram";
+			interrupts = <12 0>;
+			clocks = <&ckm MSPM0_CLOCK_CANCLK>;
+			ti,divider = <0>;
+			bosch,mram-cfg = <0x0 20 8 3 3 0 3 3>;
+			/*
+			 * # 20 11-bit filter elements = 20x4  = 80B
+			 * # 8  29-bit filter elements =  8x8  = 64B
+			 * # 3 RX FIFO0 elements =        3x72 = 216B
+			 * # 3 RX FIFO1 elements =        3x72 = 216B
+			 * # 0 RX buffer elemets =        0x72 = 0B
+			 * # 3 TX FIFO elements =         3x8  = 24B
+			 * # 3 TX Buffer elements =       3x72 = 216B
+			 * # Total RAM                         = 816B
+			 */
+			sample-point = <875>;
+			status = "disabled";
+		};
 	};
 };