According to Documentation/devicetree/bindings/serial/rs485.txt the
rs485-rts-delay parameter is required. To prepare making use of
of_get_rs485_mode which is strict here, add this property to all at91
compatible devices that make use of one of the optional properties.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
arch/arm/boot/dts/animeo_ip.dts | 2 ++
arch/arm/boot/dts/at91-vinco.dts | 1 +
2 files changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/animeo_ip.dts b/arch/arm/boot/dts/animeo_ip.dts
index 9cc372b9fb9b..26fea9d79f27 100644
--- a/arch/arm/boot/dts/animeo_ip.dts
+++ b/arch/arm/boot/dts/animeo_ip.dts
@@ -45,12 +45,14 @@
apb {
usart0: serial@fffb0000 {
pinctrl-0 = <&pinctrl_usart0 &pinctrl_usart0_rts>;
+ rs485-rts-delay = <0 0>;
linux,rs485-enabled-at-boot-time;
status = "okay";
};
usart1: serial@fffb4000 {
pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts>;
+ rs485-rts-delay = <0 0>;
linux,rs485-enabled-at-boot-time;
status = "okay";
};
diff --git a/arch/arm/boot/dts/at91-vinco.dts b/arch/arm/boot/dts/at91-vinco.dts
index e0c0b2897a49..7bf8391bc7b3 100644
--- a/arch/arm/boot/dts/at91-vinco.dts
+++ b/arch/arm/boot/dts/at91-vinco.dts
@@ -147,6 +147,7 @@
usart4: serial@fc010000 {
/* LMN */
pinctrl-0 = <&pinctrl_usart4 &pinctrl_usart4_rts>;
+ rs485-rts-delay = <0 0>;
linux,rs485-enabled-at-boot-time;
status = "okay";
};
--
2.11.0
--
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