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@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm64/boot/dts/sprd/whale2.dtsi b/arch/arm64/boot/dts/sprd/whale2.dtsi
index 328009c..b9cc0fb 100644 (file)
--- 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@40500000 {
+                               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 {