UART1 an be optionally used with additional CTS/RTS pins.
The pinctrl driver has an extra "u1ctsrts_a_1" pin group for them.
Add a new pin configuration to configure them correctly if needed.
Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
---
arch/arm/boot/dts/ste-dbx5x0-pinctrl.dtsi | 26 +++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm/boot/dts/ste-dbx5x0-pinctrl.dtsi b/arch/arm/boot/dts/ste-dbx5x0-pinctrl.dtsi
index b6d0a60e9aed..e85a08ad2ea7 100644
--- a/arch/arm/boot/dts/ste-dbx5x0-pinctrl.dtsi
+++ b/arch/arm/boot/dts/ste-dbx5x0-pinctrl.dtsi
@@ -65,6 +65,32 @@
ste,config = <&slpm_out_wkup_pdis>;
};
};
+
+ u1ctsrts_a_1_default: u1ctsrts_a_1_default {
+ default_mux {
+ function = "u1";
+ groups = "u1ctsrts_a_1";
+ };
+ default_cfg1 {
+ pins = "GPIO6_AF6"; /* CTS */
+ ste,config = <&in_pu>;
+ };
+ default_cfg2 {
+ pins = "GPIO7_AG5"; /* RTS */
+ ste,config = <&out_hi>;
+ };
+ };
+
+ u1ctsrts_a_1_sleep: u1ctsrts_a_1_sleep {
+ sleep_cfg1 {
+ pins = "GPIO6_AF6"; /* CTS */
+ ste,config = <&slpm_in_wkup_pdis>;
+ };
+ sleep_cfg2 {
+ pins = "GPIO7_AG5"; /* RTS */
+ ste,config = <&slpm_out_hi_wkup_pdis>;
+ };
+ };
};
uart2 {
--
2.24.0
