Add and enable the external crystal for the SCIF_CLK and its pinctrl, to
be used by the Baud Rate Generator for External Clock (BRG) on (H)SCIF.
This increases the range and accuracy of supported baud rates.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
Untested, based on (non)differences in U-Boot sources between koelsch
and gose.
v2:
- New.
---
arch/arm/boot/dts/r8a7793-gose.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index 3e3122490650d140..077ab9423f5e17d6 100644
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -38,6 +38,9 @@
};
&pfc {
+ pinctrl-0 = <&scif_clk_pins>;
+ pinctrl-names = "default";
+
scif0_pins: serial0 {
renesas,groups = "scif0_data_d";
renesas,function = "scif0";
@@ -48,6 +51,11 @@
renesas,function = "scif1";
};
+ scif_clk_pins: scif_clk {
+ renesas,groups = "scif_clk";
+ renesas,function = "scif_clk";
+ };
+
ether_pins: ether {
renesas,groups = "eth_link", "eth_mdio", "eth_rmii";
renesas,function = "eth";
@@ -98,6 +106,11 @@
status = "okay";
};
+&scif_clk {
+ clock-frequency = <14745600>;
+ status = "okay";
+};
+
&qspi {
pinctrl-0 = <&qspi_pins>;
pinctrl-names = "default";
--
1.9.1
--
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