blob: cd76e5afd077e5e281f74d52a076970d0494bb8c [file] [log] [blame]
From 5bfda709fb6e8aa880852bb26b30c3bd6f3fde11 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Date: Fri, 27 Apr 2018 22:12:51 +0300
Subject: [PATCH 1528/1795] arm64: dts: renesas: r8a77980: add CAN-FD support
Define the generic R8A77980 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>
[simon: consistently use tabs for indentation]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit f38c41727211f2cdd9bb6f2999d46daafeacc5aa)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
arch/arm64/boot/dts/renesas/r8a77980.dtsi | 31 +++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a77980.dtsi b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
index 5c865fcd3986..3a127643d1dc 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
@@ -38,6 +38,13 @@
};
};
+ /* External CAN clock - to be overridden by boards that provide it */
+ can_clk: can {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
extal_clk: extal {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -170,6 +177,30 @@
status = "disabled";
};
+ canfd: can@e66c0000 {
+ compatible = "renesas,r8a77980-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 R8A77980_CLK_CANFD>,
+ <&can_clk>;
+ clock-names = "fck", "canfd", "can_clk";
+ assigned-clocks = <&cpg CPG_CORE R8A77980_CLK_CANFD>;
+ assigned-clock-rates = <40000000>;
+ power-domains = <&sysc R8A77980_PD_ALWAYS_ON>;
+ status = "disabled";
+
+ channel0 {
+ status = "disabled";
+ };
+
+ channel1 {
+ status = "disabled";
+ };
+ };
+
avb: ethernet@e6800000 {
compatible = "renesas,etheravb-r8a77980",
"renesas,etheravb-rcar-gen3";
--
2.19.0