[PATCH 04/14] arm64: dts: renesas: white-hawk-cpu: Add serial port pin control

[Geert Uytterhoeven]

Complete the description of the serial console and the external serial
clock by adding pin control.

Based on larger patch in the BSP by Takeshi Kihara.

Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
Changes compared to the BSP:
  - Drop non-wired RTS/CTS pins.
---
 .../boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
index 9d20d3e10edcecc7..ba8cc162076cd8bf 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
@@ -40,6 +40,21 @@ &hscif0 {
 	status = "okay";
 };
 
+&pfc {
+	pinctrl-0 = <&scif_clk_pins>;
+	pinctrl-names = "default";
+
+	hscif0_pins: hscif0 {
+		groups = "hscif0_data";
+		function = "hscif0";
+	};
+
+	scif_clk_pins: scif_clk {
+		groups = "scif_clk";
+		function = "scif_clk";
+	};
+};
+
 &scif_clk {
 	clock-frequency = <24000000>;
 };
-- 
2.25.1