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dts/bindings: st,stm32-can: Add optional master-can property

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In STM32 can driver CAN2 instance need to know the base address
of CAN1 instance which is referenced as master can.
Add this information as an optional property to stm32 can binding.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2020-04-24 17:15:15 +02:00 • committed by Kumar Gala
commit 46649f9224
2 changed files with 6 additions and 0 deletions
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1
dts/arm/st/f4/stm32f405.dtsi
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@ -205,6 +205,7 @@
interrupts = <63 0>, <64 0>, <65 0>, <66 0>;
interrupt-names = "TX", "RX0", "RX1", "SCE";
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x06000000>;
master-can-reg = <0x40006400>;
status = "disabled";
label = "CAN_2";
bus-speed = <125000>;

5
dts/bindings/can/st,stm32-can.yaml
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@ -13,3 +13,8 @@ properties:
clocks:
required: true
master-can-reg:
type: int
required: false
description: master can reg when different from current instance