[PATCH 1/3] ARM: dts: stm32: add CAN support on stm32f429

[Patrice CHOTARD]

On 9/3/23 22:33, Dario Binacchi wrote:
> commit 7355ad1950f41e755e6dc451834be3b94f82acd4 Linux upstream.
> 
> 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 at amarulasolutions.com>
> Link: https://lore.kernel.org/all/20230328073328.3949796-4-dario.binacchi@amarulasolutions.com
> Signed-off-by: Marc Kleine-Budde <mkl at pengutronix.de>
> ---
> 
>  arch/arm/dts/stm32f429.dtsi | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
> 
> diff --git a/arch/arm/dts/stm32f429.dtsi b/arch/arm/dts/stm32f429.dtsi
> index e5b13aca40c0..22225104fca8 100644
> --- a/arch/arm/dts/stm32f429.dtsi
> +++ b/arch/arm/dts/stm32f429.dtsi
> @@ -321,6 +321,35 @@
>  			status = "disabled";
>  		};
>  
> +		can1: can at 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 at 40006600 {
> +			compatible = "st,stm32f4-gcan", "syscon";
> +			reg = <0x40006600 0x200>;
> +			clocks = <&rcc 0 STM32F4_APB1_CLOCK(CAN1)>;
> +		};
> +
> +		can2: can at 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 at 40007400 {
>  			compatible = "st,stm32f4-dac-core";
>  			reg = <0x40007400 0x400>;

Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks
Patrice