The schematics label it as SCIF0 debug port.
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
Change since v1: added alias
.../arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi | 13 +++++++++++++
arch/arm64/boot/dts/renesas/r8a779f0-spider.dts | 1 +
2 files changed, 14 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
index 3208d2148768..7a62afb64204 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
@@ -68,6 +68,11 @@ i2c4_pins: i2c4 {
function = "i2c4";
};
+ scif0_pins: scif0 {
+ groups = "scif0_data", "scif0_ctrl";
+ function = "scif0";
+ };
+
scif_clk_pins: scif_clk {
groups = "scif_clk";
function = "scif_clk";
@@ -79,6 +84,14 @@ &rwdt {
status = "okay";
};
+&scif0 {
+ pinctrl-0 = <&scif0_pins>;
+ pinctrl-names = "default";
+
+ uart-has-rtscts;
+ status = "okay";
+};
+
&scif_clk {
clock-frequency = <24000000>;
};
diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider.dts b/arch/arm64/boot/dts/renesas/r8a779f0-spider.dts
index 954ba227bfa7..2c1fe4330c2b 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0-spider.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider.dts
@@ -15,6 +15,7 @@ / {
aliases {
serial0 = &hscif0;
+ serial1 = &scif0;
};
chosen {
--
2.35.1
