From mboxrd@z Thu Jan 1 00:00:00 1970 From: Baolin Wang Subject: [RESEND PATCH 1/7] arm64: dts: Add hwspinlock node for Spreadtrum SC9860 Date: Wed, 28 Feb 2018 18:47:04 +0800 Message-ID: <5ec790b43c6fea9f36e06b5b20233b2adebd7d50.1519814593.git.baolin.wang@linaro.org> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: robh+dt@kernel.org, mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, arnd@arndb.de Cc: chunyan.zhang@linaro.org, orson.zhai@spreadtrum.com, mathieu.poirier@linaro.org, devicetree@vger.kernel.org, arm@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, broonie@kernel.org, baolin.wang@linaro.org List-Id: devicetree@vger.kernel.org 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 --- 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 + / { 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 { -- 1.7.9.5