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Message-Id: <410b2f2d3f3f019c96ec31213647c41cd7f1174d.1517908478.git.baolin.wang@linaro.org>
Date: Tue, 6 Feb 2018 17:28:20 +0800
From: Baolin Wang <baolin.wang@...aro.org>
To: robh+dt@...nel.org, mark.rutland@....com, catalin.marinas@....com,
will.deacon@....com, arnd@...db.de
Cc: chunyan.zhang@...eadtrum.com, orson.zhai@...eadtrum.com,
mathieu.poirier@...aro.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
broonie@...nel.org, baolin.wang@...aro.org
Subject: [PATCH 1/7] arm64: dts: Add hwspinlock node for Spreadtrum SC9860
The Spreadtrum SC9860 platform only has one hardware spinlock device,
which is located on AON system of Spreadtrum SC9860 platform.
Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
---
arch/arm64/boot/dts/sprd/whale2.dtsi | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/sprd/whale2.dtsi b/arch/arm64/boot/dts/sprd/whale2.dtsi
index 328009c..b9cc0fb 100644
--- a/arch/arm64/boot/dts/sprd/whale2.dtsi
+++ b/arch/arm64/boot/dts/sprd/whale2.dtsi
@@ -6,6 +6,8 @@
* SPDX-License-Identifier: (GPL-2.0+ OR MIT)
*/
+#include <dt-bindings/clock/sprd,sc9860-clk.h>
+
/ {
interrupt-parent = <&gic>;
#address-cells = <2>;
@@ -104,6 +106,21 @@
status = "disabled";
};
};
+
+ aon {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ hwlock: hwspinlock@...00000 {
+ compatible = "sprd,hwspinlock-r3p0";
+ reg = <0 0x40500000 0 0x1000>;
+ #hwlock-cells = <1>;
+ clock-names = "enable";
+ clocks = <&aon_gate CLK_SPLK_EB>;
+ };
+ };
};
ext_32k: ext_32k {
--
1.7.9.5
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