[PATCH AUTOSEL 5.4 19/27] ARM: dts: stm32: add pin map for CAN controller on stm32f7

Sasha Levin
2023-05-25T18:56:21Z

From: Dario Binacchi <dario.binacchi@amarulasolutions.com>

[ Upstream commit 011644249686f2675e142519cd59e81e04cfc231 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm/boot/dts/stm32f7-pinctrl.dtsi | 82 ++++++++++++++++++++++++++
1 file changed, 82 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
index 9314128df1859..639a6b65749f2 100644
--- a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
@@ -284,6 +284,88 @@ pins2 {
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;
+ };
+ };
};
};
};
--
2.39.2