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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2018-07-20 22:21:45 +0300
committerSimon Horman <horms+renesas@verge.net.au>2018-08-27 16:06:15 +0300
commitbcee502ceb6c0dcbc7ccd460ed7040c3d6998c3e (patch)
treec4ba0dca7c31ea73068aa5f611267ec6beb8c30d
parent5b394b2ddf0347bef56e50c69a58773c94343ff3 (diff)
downloadlinux-bcee502ceb6c0dcbc7ccd460ed7040c3d6998c3e.tar.xz
arm64: dts: renesas: r8a77980: add RWDT support
Describe RWDT in the R8A77980 SoC device tree. Enable RWDT on the Condor and V3H Starter Kit boards. 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> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77980-condor.dts5
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts5
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77980.dtsi10
3 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
index 9f25c407dfd7..494f4ef37a4e 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
@@ -156,6 +156,11 @@
};
};
+&rwdt {
+ timeout-sec = <60>;
+ status = "okay";
+};
+
&scif0 {
pinctrl-0 = <&scif0_pins>, <&scif_clk_pins>;
pinctrl-names = "default";
diff --git a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
index 9dac42f8f804..9147d8564557 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
@@ -71,6 +71,11 @@
};
};
+&rwdt {
+ timeout-sec = <60>;
+ status = "okay";
+};
+
&scif0 {
pinctrl-0 = <&scif0_pins>, <&scif_clk_pins>;
pinctrl-names = "default";
diff --git a/arch/arm64/boot/dts/renesas/r8a77980.dtsi b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
index b8c9a56562f2..4a1097e32551 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
@@ -118,6 +118,16 @@
#size-cells = <2>;
ranges;
+ rwdt: watchdog@e6020000 {
+ compatible = "renesas,r8a77980-wdt",
+ "renesas,rcar-gen3-wdt";
+ reg = <0 0xe6020000 0 0x0c>;
+ clocks = <&cpg CPG_MOD 402>;
+ power-domains = <&sysc R8A77980_PD_ALWAYS_ON>;
+ resets = <&cpg 402>;
+ status = "disabled";
+ };
+
gpio0: gpio@e6050000 {
compatible = "renesas,gpio-r8a77980",
"renesas,rcar-gen3-gpio";