[PATCH] arm64: dts: r8a7795: Add CAN FD support
Ramesh Shanmugasundaram
ramesh.shanmugasundaram at bp.renesas.com
Tue Mar 1 02:04:00 PST 2016
Adds CAN FD controller node for r8a7795.
Note: CAN FD controller register base address specified in R-Car Gen3
Hardware User Manual v0.5E is incorrect. The correct address is:
CAN FD - 0xe66c0000
Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram at bp.renesas.com>
---
Hi All,
This patch is based on linux-next (tag:next-20160225) with the following
patches applied on top.
[PATCH v2] arm64: dts: r8a7795: Add CAN external clock support
[PATCH] arm64: dts: r8a7795: Add CAN support
The respective CAN subsystem changes are submitted separately here (https://www.mail-archive.com/linux-renesas-soc@vger.kernel.org/msg01388.html)
Thanks,
Ramesh
---
arch/arm64/boot/dts/renesas/r8a7795.dtsi | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index a88f8d8..5049ba6 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -553,6 +553,30 @@
status = "disabled";
};
+ canfd: canfd at e66c0000 {
+ compatible = "renesas,r8a7795-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 R8A7795_CLK_CANFD>,
+ <&can_clk>;
+ clock-names = "fck", "canfd", "can_clk";
+ assigned-clocks = <&cpg CPG_CORE R8A7795_CLK_CANFD>;
+ assigned-clock-rates = <40000000>;
+ power-domains = <&cpg>;
+ status = "disabled";
+
+ channel0 {
+ status = "disabled";
+ };
+
+ channel1 {
+ status = "disabled";
+ };
+ };
+
hscif0: serial at e6540000 {
compatible = "renesas,hscif-r8a7795",
"renesas,rcar-gen3-hscif",
--
1.9.1
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