[PATCH 3/3] ARM: dts: i.MX51: Separate TXD/RXD and RTS/CTS pinmux entries for UARTs

Alexander Shiyan shc_work at mail.ru
Wed Aug 14 05:05:53 EDT 2013


RTS/CTS pins can be used for different purposes, so create separate
definitions for these pins.

Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
---
 arch/arm/boot/dts/imx51-babbage.dts |  2 +-
 arch/arm/boot/dts/imx51.dtsi        | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts
index 1d337d9..899f1ce 100644
--- a/arch/arm/boot/dts/imx51-babbage.dts
+++ b/arch/arm/boot/dts/imx51-babbage.dts
@@ -252,7 +252,7 @@
 
 &uart1 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&pinctrl_uart1_1>;
+	pinctrl-0 = <&pinctrl_uart1_1 &pinctrl_uart1_rtscts1>;
 	fsl,uart-has-rtscts;
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index a85abb4..f8fa106 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -747,6 +747,11 @@
 			fsl,pins = <
 				MX51_PAD_UART1_RXD__UART1_RXD 0x1c5
 				MX51_PAD_UART1_TXD__UART1_TXD 0x1c5
+			>;
+		};
+
+		pinctrl_uart1_rtscts1: uart1rtscts-1 {
+			fsl,pins = <
 				MX51_PAD_UART1_RTS__UART1_RTS 0x1c5
 				MX51_PAD_UART1_CTS__UART1_CTS 0x1c5
 			>;
@@ -767,6 +772,11 @@
 			fsl,pins = <
 				MX51_PAD_EIM_D25__UART3_RXD 0x1c5
 				MX51_PAD_EIM_D26__UART3_TXD 0x1c5
+			>;
+		};
+
+		pinctrl_uart3_rtscts1: uart3rtscts-1 {
+			fsl,pins = <
 				MX51_PAD_EIM_D27__UART3_RTS 0x1c5
 				MX51_PAD_EIM_D24__UART3_CTS 0x1c5
 			>;
-- 
1.8.1.5




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