diff mbox

[v2,1/9] ARM: shmobile: alt dts: Enable SCIF_CLK frequency and pins

Message ID 1450119504-1517-2-git-send-email-geert+renesas@glider.be (mailing list archive)
State Deferred
Delegated to: Simon Horman
Headers show

Commit Message

Geert Uytterhoeven Dec. 14, 2015, 6:58 p.m. UTC 
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@glider.be>
---
Untested, based on schematics.

v2:
  - New.
---
 arch/arm/boot/dts/r8a7794-alt.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts
index 2394e4883786f13e..f376b9df1f107a47 100644
--- a/arch/arm/boot/dts/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/r8a7794-alt.dts
@@ -103,6 +103,9 @@ 
 };
 
 &pfc {
+	pinctrl-0 = <&scif_clk_pins>;
+	pinctrl-names = "default";
+
 	du_pins: du {
 		renesas,groups = "du1_rgb666", "du1_sync", "du1_disp", "du1_dotclkout0";
 		renesas,function = "du";
@@ -113,6 +116,11 @@ 
 		renesas,function = "scif2";
 	};
 
+	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";
@@ -197,3 +205,8 @@ 
 
 	status = "okay";
 };
+
+&scif_clk {
+	clock-frequency = <14745600>;
+	status = "okay";
+};