Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752781AbcLBFw7 (ORCPT ); Fri, 2 Dec 2016 00:52:59 -0500 Received: from mail-pf0-f175.google.com ([209.85.192.175]:34835 "EHLO mail-pf0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750888AbcLBFw6 (ORCPT ); Fri, 2 Dec 2016 00:52:58 -0500 From: Baoyou Xie To: robh+dt@kernel.org, mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, shawnguo@kernel.org, jun.nie@linaro.org Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, baoyou.xie@linaro.org, xie.baoyou@zte.com.cn, chen.chaokai@zte.com.cn, wang.qiang01@zte.com.cn Subject: [PATCH v2] arm64: dts: zx: support cpu-freq for zx296718 Date: Fri, 2 Dec 2016 13:52:36 +0800 Message-Id: <1480657956-8140-1-git-send-email-baoyou.xie@linaro.org> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2199 Lines: 90 This patch adds the CPU clock phandle in CPU's node and uses operating-points-v2 to register operating points. So it can be used by cpufreq-dt driver. Signed-off-by: Baoyou Xie --- arch/arm64/boot/dts/zte/zx296718.dtsi | 39 +++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/arch/arm64/boot/dts/zte/zx296718.dtsi b/arch/arm64/boot/dts/zte/zx296718.dtsi index 7a1aed7..b44d1d1 100644 --- a/arch/arm64/boot/dts/zte/zx296718.dtsi +++ b/arch/arm64/boot/dts/zte/zx296718.dtsi @@ -44,6 +44,7 @@ #include #include #include +#include / { compatible = "zte,zx296718"; @@ -81,6 +82,8 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x0>; enable-method = "psci"; + clocks = <&topcrm A53_GATE>; + operating-points-v2 = <&cluster0_opp>; }; cpu1: cpu@1 { @@ -88,6 +91,8 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x1>; enable-method = "psci"; + clocks = <&topcrm A53_GATE>; + operating-points-v2 = <&cluster0_opp>; }; cpu2: cpu@2 { @@ -95,6 +100,8 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x2>; enable-method = "psci"; + clocks = <&topcrm A53_GATE>; + operating-points-v2 = <&cluster0_opp>; }; cpu3: cpu@3 { @@ -102,6 +109,38 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x3>; enable-method = "psci"; + clocks = <&topcrm A53_GATE>; + operating-points-v2 = <&cluster0_opp>; + }; + }; + + cluster0_opp: opp-table0 { + compatible = "operating-points-v2"; + opp-shared; + + opp@500000000 { + opp-hz = /bits/ 64 <500000000>; + clock-latency-ns = <500000>; + }; + + opp@648000000 { + opp-hz = /bits/ 64 <648000000>; + clock-latency-ns = <500000>; + }; + + opp@800000000 { + opp-hz = /bits/ 64 <800000000>; + clock-latency-ns = <500000>; + }; + + opp@1000000000 { + opp-hz = /bits/ 64 <1000000000>; + clock-latency-ns = <500000>; + }; + + opp@1188000000 { + opp-hz = /bits/ 64 <1188000000>; + clock-latency-ns = <500000>; }; }; -- 2.7.4