diff mbox series

[RFC,v3,2/4] ARM: dts: stm32: add CAN support on stm32f429

Message ID 20220828133329.793324-3-dario.binacchi@amarulasolutions.com
State New
Headers
Series can: bxcan: add support for ST bxCAN controller |

Commit Message

Dario Binacchi Aug. 28, 2022, 1:33 p.m. UTC 
Add support for bxcan (Basic eXtended CAN controller) to STM32F429. The
chip contains two CAN peripherals, CAN1 the master and CAN2 the slave,
that share some of the required logic like clock and filters. This means
that the slave CAN can't be used without the master CAN.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>

---

Changes in v3:
- Remove 'Dario Binacchi <dariobin@libero.it>' SOB.
- Add "clocks" to can@0 node.

 arch/arm/boot/dts/stm32f429.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index c31ceb821231..e04cf73a8caa 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -362,6 +362,37 @@  i2c3: i2c@40005c00 {
 			status = "disabled";
 		};
 
+		can: can@40006400 {
+			compatible = "st,stm32f4-bxcan-core";
+			reg = <0x40006400 0x800>;
+			resets = <&rcc STM32F4_APB1_RESET(CAN1)>;
+			clocks = <&rcc 0 STM32F4_APB1_CLOCK(CAN1)>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			can1: can@0 {
+				compatible = "st,stm32f4-bxcan";
+				reg = <0x0>;
+				interrupts = <19>, <20>, <21>, <22>;
+				interrupt-names = "tx", "rx0", "rx1", "sce";
+				resets = <&rcc STM32F4_APB1_RESET(CAN1)>;
+				clocks = <&rcc 0 STM32F4_APB1_CLOCK(CAN1)>;
+				st,can-master;
+				status = "disabled";
+			};
+
+			can2: can@400 {
+				compatible = "st,stm32f4-bxcan";
+				reg = <0x400>;
+				interrupts = <63>, <64>, <65>, <66>;
+				interrupt-names = "tx", "rx0", "rx1", "sce";
+				resets = <&rcc STM32F4_APB1_RESET(CAN2)>;
+				clocks = <&rcc 0 STM32F4_APB1_CLOCK(CAN2)>;
+				status = "disabled";
+			};
+		};
+
 		dac: dac@40007400 {
 			compatible = "st,stm32f4-dac-core";
 			reg = <0x40007400 0x400>;