ARM: dts: stm32: add pin map for CAN controller on stm32f7

Add pin configurations for using CAN controller on stm32f7.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/all/20230427204540.3126234-4-dario.binacchi@amarulasolutions.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
index c8e6c52..9f65403 100644 (file)
--- a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
@@ -283,6 +283,88 @@
                                        slew-rate = <2>;
                                };
                        };
+
+                       can1_pins_a: can1-0 {
+                               pins1 {
+                                       pinmux = <STM32_PINMUX('A', 12, AF9)>; /* CAN1_TX */
+                               };
+                               pins2 {
+                                       pinmux = <STM32_PINMUX('A', 11, AF9)>; /* CAN1_RX */
+                                       bias-pull-up;
+                               };
+                       };
+
+                       can1_pins_b: can1-1 {
+                               pins1 {
+                                       pinmux = <STM32_PINMUX('B', 9, AF9)>; /* CAN1_TX */
+                               };
+                               pins2 {
+                                       pinmux = <STM32_PINMUX('B', 8, AF9)>; /* CAN1_RX */
+                                       bias-pull-up;
+                               };
+                       };
+
+                       can1_pins_c: can1-2 {
+                               pins1 {
+                                       pinmux = <STM32_PINMUX('D', 1, AF9)>; /* CAN1_TX */
+                               };
+                               pins2 {
+                                       pinmux = <STM32_PINMUX('D', 0, AF9)>; /* CAN1_RX */
+                                       bias-pull-up;
+
+                               };
+                       };
+
+                       can1_pins_d: can1-3 {
+                               pins1 {
+                                       pinmux = <STM32_PINMUX('H', 13, AF9)>; /* CAN1_TX */
+                               };
+                               pins2 {
+                                       pinmux = <STM32_PINMUX('H', 14, AF9)>; /* CAN1_RX */
+                                       bias-pull-up;
+
+                               };
+                       };
+
+                       can2_pins_a: can2-0 {
+                               pins1 {
+                                       pinmux = <STM32_PINMUX('B', 6, 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;
+                               };
+                       };
+
+                       can3_pins_a: can3-0 {
+                               pins1 {
+                                       pinmux = <STM32_PINMUX('A', 15, AF11)>; /* CAN3_TX */
+                               };
+                               pins2 {
+                                       pinmux = <STM32_PINMUX('A', 8, AF11)>; /* CAN3_RX */
+                                       bias-pull-up;
+                               };
+                       };
+
+                       can3_pins_b: can3-1 {
+                               pins1 {
+                                       pinmux = <STM32_PINMUX('B', 4, AF11)>;  /* CAN3_TX */
+                               };
+                               pins2 {
+                                       pinmux = <STM32_PINMUX('B', 3, AF11)>; /* CAN3_RX */
+                                       bias-pull-up;
+                               };
+                       };
                };
        };
 };