The GW54xx, GW53xx, and GW52xx all have an RS485 transceiver that uses an
IMX GPIO for the TX enable of the transceiver. Declare this properly.
Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx6qdl-gw52xx.dtsi | 3 +++
arch/arm/boot/dts/imx6qdl-gw53xx.dtsi | 3 +++
arch/arm/boot/dts/imx6qdl-gw54xx.dtsi | 3 +++
3 files changed, 9 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
index 8bf1020..25ed57d 100644
--- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
@@ -315,6 +315,8 @@
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
+ fsl,uart-has-rtscts;
+ rts-gpio = <&gpio7 1 GPIO_ACTIVE_HIGH>;
status = "okay";
};
@@ -493,6 +495,7 @@
fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
MX6QDL_PAD_SD3_DAT6__UART1_RX_DATA 0x1b0b1
+ MX6QDL_PAD_SD3_DAT4__GPIO7_IO01 0x4001b0b1 /* TEN */
>;
};
diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
index e5f4b6c..69e21b9 100644
--- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
@@ -311,6 +311,8 @@
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
+ fsl,uart-has-rtscts;
+ rts-gpio = <&gpio7 1 GPIO_ACTIVE_HIGH>;
status = "okay";
};
@@ -481,6 +483,7 @@
fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
MX6QDL_PAD_SD3_DAT6__UART1_RX_DATA 0x1b0b1
+ MX6QDL_PAD_SD3_DAT4__GPIO7_IO01 0x4001b0b1 /* TEN */
>;
};
diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
index 5a8dbab..b602e2a 100644
--- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
@@ -414,6 +414,8 @@
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
+ fsl,uart-has-rtscts;
+ rts-gpio = <&gpio7 1 GPIO_ACTIVE_HIGH>;
status = "okay";
};
@@ -603,6 +605,7 @@
fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
MX6QDL_PAD_SD3_DAT6__UART1_RX_DATA 0x1b0b1
+ MX6QDL_PAD_SD3_DAT4__GPIO7_IO01 0x4001b0b1 /* TEN */
>;
};
--
1.9.1
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