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ARM: dts: stm32: add CAN support on stm32f429

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Add support for bxcan (Basic eXtended CAN controller) to STM32F429. The
chip contains two CAN peripherals, CAN1 the primary and CAN2 the secondary,
that share some of the required logic like clock and filters. This means
that the secondary CAN can't be used without the primary CAN.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/all/20230328073328.3949796-4-dario.binacchi@amarulasolutions.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Dario Binacchi 2023-03-28 09:33:26 +02:00 committed by Marc Kleine-Budde
parent e43250c0ac
commit 7355ad1950
1 changed files with 29 additions and 0 deletions
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29
arch/arm/boot/dts/stm32f429.dtsi
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@ -362,6 +362,35 @@ i2c3: i2c@40005c00 {
status = "disabled";
};
can1: can@40006400 {
compatible = "st,stm32f4-bxcan";
reg = <0x40006400 0x200>;
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-primary;
st,gcan = <&gcan>;
status = "disabled";
};
gcan: gcan@40006600 {
compatible = "st,stm32f4-gcan", "syscon";
reg = <0x40006600 0x200>;
clocks = <&rcc 0 STM32F4_APB1_CLOCK(CAN1)>;
};
can2: can@40006800 {
compatible = "st,stm32f4-bxcan";
reg = <0x40006800 0x200>;
interrupts = <63>, <64>, <65>, <66>;
interrupt-names = "tx", "rx0", "rx1", "sce";
resets = <&rcc STM32F4_APB1_RESET(CAN2)>;
clocks = <&rcc 0 STM32F4_APB1_CLOCK(CAN2)>;
st,gcan = <&gcan>;
status = "disabled";
};
dac: dac@40007400 {
compatible = "st,stm32f4-dac-core";
reg = <0x40007400 0x400>;