arm64: dts: salvator-x: External SCIF3/HSCIF3 loop
Add SCIF3 and HSCIF3 as two new serial ports to the r8a7795
Salvator-X DT file.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
[geert: Use generic pinctrl properties]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
diff --git a/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts b/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts
index 98f0263..210a407 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts
@@ -42,6 +42,8 @@
aliases {
serial0 = &scif2;
serial1 = &scif1;
+ serial2 = &scif3;
+ serial3 = &hscif3;
ethernet0 = &avb;
};
@@ -157,6 +159,14 @@
groups = "scif2_data_a";
function = "scif2";
};
+ scif3_pins: scif3 { /* TX: 1_11, RX: 1_8 */
+ groups = "scif3_data_b";
+ function = "scif3";
+ };
+ hscif3_pins: hscif3 { /* TX: 2_8, RX: 2_7 */
+ groups = "hscif3_data_d";
+ function = "hscif3";
+ };
scif_clk_pins: scif_clk {
groups = "scif_clk_a";
function = "scif_clk";
@@ -212,6 +222,22 @@
status = "okay";
};
+&scif3 {
+ pinctrl-0 = <&scif3_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+/* SCIF3 TX -> HSCIF3 RX, HSCIF3 TX -> SCIF3 RX */
+
+&hscif3 {
+ pinctrl-0 = <&hscif3_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
&scif2 {
pinctrl-0 = <&scif2_pins>;
pinctrl-names = "default";
