blob: c0c0a551ce621f6ebb26837d109b2616b30cd3a7 [file] [log] [blame]
From 3437095ecd4e1fda4f4369c4ec72e94621d10255 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Date: Thu, 26 Apr 2018 23:33:14 +0300
Subject: [PATCH 1526/1795] arm64: dts: renesas: r8a77970: add CAN-FD support
Define the generic R8A77970 part of the CAN-FD device node.
Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 81a579d53a89dbf8380cefff37794c0321cfbed5)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
arch/arm64/boot/dts/renesas/r8a77970.dtsi | 32 +++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a77970.dtsi b/arch/arm64/boot/dts/renesas/r8a77970.dtsi
index 6ed2e95eb53d..37b843c0677a 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77970.dtsi
@@ -68,6 +68,13 @@
method = "smc";
};
+ /* External CAN clock - to be overridden by boards that provide it */
+ can_clk: can {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
/* External SCIF clock - to be overridden by boards that provide it */
scif_clk: scif {
compatible = "fixed-clock";
@@ -381,6 +388,31 @@
status = "disabled";
};
+ canfd: can@e66c0000 {
+ compatible = "renesas,r8a77970-canfd",
+ "renesas,rcar-gen3-canfd";
+ reg = <0 0xe66c0000 0 0x8000>;
+ interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 914>,
+ <&cpg CPG_CORE R8A77970_CLK_CANFD>,
+ <&can_clk>;
+ clock-names = "fck", "canfd", "can_clk";
+ assigned-clocks = <&cpg CPG_CORE R8A77970_CLK_CANFD>;
+ assigned-clock-rates = <40000000>;
+ power-domains = <&sysc R8A77970_PD_ALWAYS_ON>;
+ resets = <&cpg 914>;
+ status = "disabled";
+
+ channel0 {
+ status = "disabled";
+ };
+
+ channel1 {
+ status = "disabled";
+ };
+ };
+
avb: ethernet@e6800000 {
compatible = "renesas,etheravb-r8a77970",
"renesas,etheravb-rcar-gen3";
--
2.19.0