From: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
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>
Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
---
arch/arm/boot/dts/r8a7779-marzen.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7779-marzen.dts b/arch/arm/boot/dts/r8a7779-marzen.dts
index fe396c8d58db..e111d35d02ae 100644
--- a/arch/arm/boot/dts/r8a7779-marzen.dts
+++ b/arch/arm/boot/dts/r8a7779-marzen.dts
@@ -165,6 +165,9 @@
};
&pfc {
+ pinctrl-0 = <&scif_clk_pins>;
+ pinctrl-names = "default";
+
du_pins: du {
du0 {
renesas,groups = "du0_rgb888", "du0_sync_1", "du0_clk_out_0";
@@ -176,6 +179,11 @@
};
};
+ scif_clk_pins: scif_clk {
+ renesas,groups = "scif_clk_b";
+ renesas,function = "scif_clk";
+ };
+
ethernet_pins: ethernet {
intc {
renesas,groups = "intc_irq1_b";
@@ -222,6 +230,11 @@
status = "okay";
};
+&scif_clk {
+ clock-frequency = <14745600>;
+ status = "okay";
+};
+
&sdhi0 {
pinctrl-0 = <&sdhi0_pins>;
pinctrl-names = "default";
--
2.7.0.rc3.207.g0ac5344
