From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Tue, 31 Jan 2023 11:32:33 +0000 (+0100)
Subject: arm64: dts: renesas: falcon: Describe CAN clock
X-Git-Tag: v6.4-rc1~168^2~37^2~23
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=10fb3e2746eee0bf278c797a86fedc665bbb0ad2;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: renesas: falcon: Describe CAN clock

Describe the 40 MHz Crystal Clock Oscillator providing CAN_CLK.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/0bf36a1708ad87c00455b96ebaacc63fb7305b7a.1675164686.git.geert+renesas@glider.be
---

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts b/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
index b2e67b82caf6e..63db822e5f466 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
@@ -37,8 +37,12 @@
 	};
 };
 
+&can_clk {
+	clock-frequency = <40000000>;
+};
+
 &canfd {
-	pinctrl-0 = <&canfd0_pins>, <&canfd1_pins>;
+	pinctrl-0 = <&canfd0_pins>, <&canfd1_pins>, <&can_clk_pins>;
 	pinctrl-names = "default";
 	status = "okay";
 
@@ -80,6 +84,11 @@
 
 	};
 
+	can_clk_pins: can-clk {
+		groups = "can_clk";
+		function = "can_clk";
+	};
+
 	canfd0_pins: canfd0 {
 		groups = "canfd0_data";
 		function = "canfd0";