[RFC PATCH 3/4] ARM: dts: stm32: add pin map for CAN controller on stm32f4
From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Date: 2022-08-17 14:37:45
Also in:
linux-devicetree, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add pin configurations for using CAN controller on stm32f469-disco board. They are located on the Arduino compatible connector CN5 (CAN1) and on the extension connector CN12 (CAN2). Signed-off-by: Dario Binacchi <redacted> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> --- arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 32 ++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
index 500bcc302d42..a8709363898a 100644
--- a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi@@ -448,6 +448,38 @@ pins2 { slew-rate = <2>; }; }; + + can1_pins_a: can1-0 { + pins1 { + pinmux = <STM32_PINMUX('B', 9, AF9)>; /* CAN1_TX */ + }; + pins2 { + pinmux = <STM32_PINMUX('B', 8, AF9)>; /* CAN1_RX */ + bias-pull-up; + }; + }; + + can2_pins_a: can2-0 { + pins1 { + pinmux = <STM32_PINMUX('B', 13, AF9)>; /* CAN2_TX */ + }; + pins2 { + pinmux = <STM32_PINMUX('B', 5, AF9)>; /* CAN2_RX */ + bias-pull-up; + }; + }; + + can2_pins_b: can2-1 { + pins1 { + pinmux = <STM32_PINMUX('B', 13, AF9)>; /* CAN2_TX */ + + }; + pins2 { + pinmux = <STM32_PINMUX('B', 12, AF9)>; /* CAN2_RX */ + bias-pull-up; + }; + }; + }; }; };
--
2.32.0
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