diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2018-04-17 13:09:38 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2018-12-24 01:27:32 +0100 |
| commit | 7f785ef455acb05d283eefec8b5c4308236c3050 (patch) | |
| tree | 1fbc67b862a359ba7d4c69f6d40a68349e09a93f | |
| parent | 72919eb5f9e7a9aeb5fc1c2aa694b07994fb5a8d (diff) | |
ARM: dts: imx6: add required RS-485 properties
To operate RS-485 on Toradex Carrier Boards a low active RTS signal
is required. Furthermore, a low active RTS signal requires the
receiver to be active (this seems to be a hardware limitation of the
i.MX UART).
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
| -rw-r--r-- | arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts | 2 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts | 2 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi | 2 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-apalis-ixora-v1.1.dtsi | 2 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi | 2 |
5 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts index f755412a33bc..53f91680517b 100644 --- a/arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts +++ b/arch/arm/boot/dts/imx6dl-colibri-cam-eval-v3.dts @@ -267,6 +267,8 @@ status = "okay"; #if 0 linux,rs485-enabled-at-boot-time; + rs485-rts-active-low; + rs485-rx-during-tx; #endif }; diff --git a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts index 6889d3f316e2..866c943d1423 100644 --- a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts +++ b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts @@ -264,6 +264,8 @@ status = "okay"; #if 0 linux,rs485-enabled-at-boot-time; + rs485-rts-active-low; + rs485-rx-during-tx; #endif }; diff --git a/arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi b/arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi index 5ae46e87e264..4650dc98b997 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis-eval.dtsi @@ -372,6 +372,8 @@ status = "okay"; #if 0 linux,rs485-enabled-at-boot-time; + rs485-rts-active-low; + rs485-rx-during-tx; #endif }; diff --git a/arch/arm/boot/dts/imx6qdl-apalis-ixora-v1.1.dtsi b/arch/arm/boot/dts/imx6qdl-apalis-ixora-v1.1.dtsi index 709c1b8f0f66..9b4c65530b7a 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis-ixora-v1.1.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis-ixora-v1.1.dtsi @@ -372,6 +372,8 @@ status = "okay"; #if 0 linux,rs485-enabled-at-boot-time; + rs485-rts-active-low; + rs485-rx-during-tx; #endif }; diff --git a/arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi b/arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi index bcb607689117..91c617a8ef5f 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis-ixora.dtsi @@ -342,6 +342,8 @@ status = "okay"; #if 0 linux,rs485-enabled-at-boot-time; + rs485-rts-active-low; + rs485-rx-during-tx; #endif }; |