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Subject[PATCH 2/2] arm64: dts: renesas: spider-cpu: Switch from SCIF3 to HSCIF0
Date
Every loader before Linux utilizes HSCIF0 with a speed of 1843200bps.
Make Linux behave the same.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
.../boot/dts/renesas/r8a779f0-spider-cpu.dtsi | 26 +++++++++----------
.../boot/dts/renesas/r8a779f0-spider.dts | 4 +--
2 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
index 41aa8591b3b1..3208d2148768 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
@@ -31,6 +31,14 @@ &extalr_clk {
clock-frequency = <32768>;
};

+&hscif0 {
+ pinctrl-0 = <&hscif0_pins>;
+ pinctrl-names = "default";
+
+ uart-has-rtscts;
+ status = "okay";
+};
+
&i2c4 {
pinctrl-0 = <&i2c4_pins>;
pinctrl-names = "default";
@@ -50,16 +58,16 @@ &pfc {
pinctrl-0 = <&scif_clk_pins>;
pinctrl-names = "default";

+ hscif0_pins: hscif0 {
+ groups = "hscif0_data", "hscif0_ctrl";
+ function = "hscif0";
+ };
+
i2c4_pins: i2c4 {
groups = "i2c4";
function = "i2c4";
};

- scif3_pins: scif3 {
- groups = "scif3_data", "scif3_ctrl";
- function = "scif3";
- };
-
scif_clk_pins: scif_clk {
groups = "scif_clk";
function = "scif_clk";
@@ -71,14 +79,6 @@ &rwdt {
status = "okay";
};

-&scif3 {
- pinctrl-0 = <&scif3_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 2e3b719cc749..954ba227bfa7 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0-spider.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider.dts
@@ -14,11 +14,11 @@ / {
compatible = "renesas,spider-breakout", "renesas,spider-cpu", "renesas,r8a779f0";

aliases {
- serial0 = &scif3;
+ serial0 = &hscif0;
};

chosen {
- stdout-path = "serial0:115200n8";
+ stdout-path = "serial0:1843200n8";
};
};

--
2.35.1
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