From patchwork Tue Nov 24 06:52:46 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongtao Jia X-Patchwork-Id: 7687971 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 608D69F2E9 for ; Tue, 24 Nov 2015 07:33:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 916EC20783 for ; Tue, 24 Nov 2015 07:33:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4CE9F20604 for ; Tue, 24 Nov 2015 07:33:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752201AbbKXHdH (ORCPT ); Tue, 24 Nov 2015 02:33:07 -0500 Received: from mail-bl2on0105.outbound.protection.outlook.com ([65.55.169.105]:19524 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751714AbbKXHdF (ORCPT ); Tue, 24 Nov 2015 02:33:05 -0500 Received: from CH1PR03CA004.namprd03.prod.outlook.com (10.255.156.149) by BN3PR03MB1480.namprd03.prod.outlook.com (10.163.35.143) with Microsoft SMTP Server (TLS) id 15.1.331.20; Tue, 24 Nov 2015 07:00:06 +0000 Received: from BN1AFFO11FD045.protection.gbl (10.255.156.132) by CH1PR03CA004.outlook.office365.com (10.255.156.149) with Microsoft SMTP Server (TLS) id 15.1.331.20 via Frontend Transport; Tue, 24 Nov 2015 07:00:06 +0000 Authentication-Results: spf=permerror (sender IP is 192.88.158.2) smtp.mailfrom=freescale.com; freescale.mail.onmicrosoft.com; dkim=none (message not signed) header.d=none; freescale.mail.onmicrosoft.com; dmarc=none action=none header.from=freescale.com; Received-SPF: PermError (protection.outlook.com: domain of freescale.com used an invalid SPF mechanism) Received: from az84smr01.freescale.net (192.88.158.2) by BN1AFFO11FD045.mail.protection.outlook.com (10.58.53.60) with Microsoft SMTP Server (TLS) id 15.1.331.11 via Frontend Transport; Tue, 24 Nov 2015 07:00:06 +0000 Received: from titan.ap.freescale.net ([10.192.208.233]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id tAO6xofa022023; Tue, 24 Nov 2015 00:00:02 -0700 From: Jia Hongtao To: CC: , , , , Subject: [PATCH V4 3/5] powerpc/mpc85xx: Add TMU device tree support for T1040/T1042 Date: Tue, 24 Nov 2015 14:52:46 +0800 Message-ID: <1448347968-37766-4-git-send-email-hongtao.jia@freescale.com> X-Mailer: git-send-email 2.1.0.27.g96db324 In-Reply-To: <1448347968-37766-1-git-send-email-hongtao.jia@freescale.com> References: <1448347968-37766-1-git-send-email-hongtao.jia@freescale.com> X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1; BN1AFFO11FD045; 1:wpeNQ2ZDQ1NXQ6swN++CstTCLwDZNBPt2oIKK0pSdBC1BlnWQIkPJk38xrUyKsFEkfFUXe7inZjfouxGXiGsuJEiTwLpPfcY9eG0A9zXZlZTvFKLci+8HWQB/z9NPxZ+TLQUy9UabF6ffh70h427r8q9lB7UWlv2LqjJwTTHz5H9AbKbWh0XGYpybNIqO1PZdByRTMwHQ6uGXgcBNI+lwUdeQJZuD1zxF/p9QGN86VTRSFujyFE0xsUZsh0vgKZgxCKZLbC21Yu8hTKbqNKRRYDMf7lvQq2YWfq4NzQp6fcdw1zXY7AhUI+/2KC/nxHYcSVtMsHZoGHpoLWfK8IQJy3wwUy6Q7Z+VpOfpOIMfIPDAz/RYU1d1V6UhTPJoPZsmPVVEy49ks4aJkxPbFMQdA/oDoD3lxAi1quAywcLUdk= X-Forefront-Antispam-Report: CIP:192.88.158.2; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(2980300002)(448002)(199003)(189002)(76176999)(47776003)(50986999)(110136002)(2950100001)(586003)(2351001)(33646002)(104016004)(50226001)(48376002)(77096005)(106466001)(87936001)(5003940100001)(81156007)(575784001)(85326001)(86362001)(97736004)(11100500001)(19580395003)(5007970100001)(50466002)(229853001)(92566002)(19580405001)(5001920100001)(4001430100002)(69596002)(189998001)(5001960100002)(36756003)(5008740100001)(107886002)(6806005); DIR:OUT; SFP:1102; SCL:1; SRVR:BN3PR03MB1480; H:az84smr01.freescale.net; FPR:; SPF:PermError; PTR:InfoDomainNonexistent; A:1; MX:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Exchange-Diagnostics: 1; BN3PR03MB1480; 2:pKorYEGL+UeBv62ugossV5iXlMqcfZfiasDMdh37Yp5GGun6xPRGgznuE3hoGva2AAJIQVCW19dDQrkNQnXeY0oFPqQm71Owo0nEMx6vHp7FeJBzGcUriSaeH+zJkwp6JpclbYhtD1HyWkqt2UA7eQ==; 3:IhotwQ0THS0Df9buGPuSqleW87d//yX1oEZuJoClz9EzxkB1kiNRI0S6qGCNCklFgXmFOUAeuxJxVLTXWZtXwnMJZbSCFhEqa7ONb63+dDpX9h/ttWLyDz9SAbNyJV8ICWv+ELy45vzcYv/fua1xX9hjX0n9mk5g3TQAarLoKo55yYGKtpR4XoyWBvQ1mfTVfRFVl2oX6IG6PUImufLhqqjBQ3jVB5P1hkYjCyKShHI=; 25:faJaEIByaP702JLnuhNGENqM1g9kw0twvMUxBE5fwRZB2/5OSys8ycGhISm3tOqAndBrJ6ApUFd1RP8idV+hSlTMpypMKv1OQfIgWiFy+uSwAuDGLyqr/Hypdc6wtIeJn4Zg0lxqRnMizYDxuu8jwCRq33ZWBEgFIuabyY+L+LfPK48XgFVksCdpdSmMgf+jx0YPysG2t7JuxOAHZ8y9ifhUNmS6Djoqrx77/jAHKNTPtmgrlnzLhSL0yubpI79O X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:BN3PR03MB1480; X-Microsoft-Exchange-Diagnostics: 1; BN3PR03MB1480; 20:6RS7+5LbPfCFgfUTzVqLE8eNZ2qK641Kw7++t0p2P9NdA88GJlSaKfKDTXuMBkwNn/hX/D8dNlkPk8TZhbDSwf9uYqkyFT438WvouQBIK5uA0SBAyWEkpNz/Q9anhafslLu4J++yQA0SP1izK+knde1lJTH0jWavi9kPRdfZjg6Cm5tAcPFzy7PP5b3qvNsMtK7SS9jjrD5Gn+8V37/8vLZJrPWYeguggaS/yzcqCp0kqVqiDPKLifVKd+cMhEew70PCGQhIT5Lv8eh2XQZSKW0PcTxDGaZ1hWqBPVxSpg2wRE+FBRND/nvfXriUeMtxcPgc7jyrTuikah8CZp5wh28iu49oy+n7h6xHEdBpweM=; 4:yTHIxCIOWqMA/eYFSk10DOcen+3305L2Tjl4V2oqOKGo1BqunENaFhURRG3GBPlSCcFB4AKh/1fkpSxe6yTYxeM5m337mBhbhiLXaeQQN2JiIM7XZj278n41ehrozfoCsXQx8bPYo6Qv7dNb+PurMXe17EmhCSNs3/+QkIvlOVr2Pe792F5L17cHUmkRq3rh1YEWdAAmbquuPxUFhLKogRUN/new7dVriLrSoXHgBNCDJ3WaGOtBnQEwFeV1dyx1p/9Kr8kKloQZ48q94zceEnPixQDB6tOc+MSdc23FiS1LJ6yM6tEO7jdbJKYJSl3mPG1Xg2lEupUo7Jwy1sVmtDoPacm+VtJgKmMKBZoyT2ABKt2EwQIMYJ0QdUmP2e4F9vHrnqmr2z0ARvegu1ynYZ5mP6RJRuhhygqSegcfZUg= X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:(101931422205132); X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(601004)(2401047)(520078)(5005006)(8121501046)(10201501046)(3002001); SRVR:BN3PR03MB1480; BCL:0; PCL:0; RULEID:; SRVR:BN3PR03MB1480; X-Forefront-PRVS: 0770F75EA9 X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; BN3PR03MB1480; 23:XS7E6UMCS27wGBOzmQX8WJNby1H/GS1cuUUyaRDG3?= =?us-ascii?Q?vQulB4qcTsWNWEITsKJ0SOpTGG6V/lUiy3sZ1w2M2AKzu0blsq4IBYbRL5wq?= =?us-ascii?Q?rOcTE4ykN4XJHeqx1sw9DsQQBKsb4x0sJAHZ3wX/IEpJLmYCFRUqcRavfDTE?= =?us-ascii?Q?Q2Ybjf3gjPMW8dzs+RxCKoirvqi5ejCUJpG9Fvosif080dgb0JzxrsnJ6poe?= =?us-ascii?Q?egnoybeFnmNkidRLYyZTPR0PK1ccPyb49xcytweARohFKymlTZIbHFRCDH4a?= =?us-ascii?Q?FJadu93IgQektOT9RD11D+Uwg//lhomzY6jhVqu0S50TPycM4uq2wak/nMxu?= =?us-ascii?Q?ZuU1F6R6lV0BNltlwUEHqU4CJqXvEW6PWsRUmkcwOv4U4L3IyC7b29U6b1Qv?= =?us-ascii?Q?UeF01W6No0SlyNR62ypaZw1dNnSqXo+YfqXNA6Jz1B6tXOYVACHtFAdK/GFj?= =?us-ascii?Q?80oIZW7E78DjUiEpaqFawfPz3H9MzBJfDIu9j1pndxf9E5nZ+tiXJqul34uP?= =?us-ascii?Q?JliIbmn+WExDYjmpHcd8+bUq3GnjAt4cyikxuprQnO2hdXSeuYuN/VhQEOTI?= =?us-ascii?Q?aPXmbAa+qkmoc+DR/VsBydwwEYt6XPEqyNYSaH95OAVWPV2u8QJCwXZpinh9?= =?us-ascii?Q?/UzbxFIupqFYoGgpJSDMeJ4r4VaV+OB4/Soj0KY9ztQJZKJh0THv40G2Yxck?= =?us-ascii?Q?4ZUv6J6T8sZrD64eJMXIQTdeQfEVZxnf/EsTmKGYaeD3z4HDHg2DcmEHfmK4?= =?us-ascii?Q?YqkSJ+C7ysmGHvBvOnUDg8F1BJQShITZNo2NdVYejijDYoflkULh1rZpIb4W?= =?us-ascii?Q?clA3e2yKgIXhccH4qo4GFuJjTxrtgGCncdKizOkwoSzSZjduFhKRu1+oNShM?= =?us-ascii?Q?A79GbbMuHBFMkazF7v9+VrYY0wakeURxqY0JOnMIL8hm1CF373tfKioJbfuh?= =?us-ascii?Q?SHHd8qJLQolbZ5jKKj4bco81Wh08wa2J/Udil7iSZxzWi4AYflvotJUziI17?= =?us-ascii?Q?CwoJ5LJc9UUbHLaNvUPQ1ehv7cd6APzIQCwSN19sPwtffyzJQoOjJVkFNEli?= =?us-ascii?Q?Vz87vvI3pKk9i+Sd2RWqHJAnrbM0CcWDgISi8T/Z7DKvLJO0wp4M9AcGFvvc?= =?us-ascii?Q?ZC0B9UvB2o=3D?= X-Microsoft-Exchange-Diagnostics: 1; BN3PR03MB1480; 5:YRJgOdJqAJXFw6rbbW5X8+B1Skf6H15fddaMymaIe5FbjDCN/y6mmmkalvELTKEnhiF+XjZfALnmFuakVh5hFq0rFObaNZdqU9vINqC6bLPyplSJULNUMa8eWDhw2B7pZJRcKsrlu7Kz756qTDjLDw==; 24:jkO//zm5TtHxMLL4ujEuc2IYTXKg4HC9t/1cqsyt/MrtIn2Vl7HXzu3vQYu7VSYiP4yFsj0t/C4TBGTVse2UekFYY8NkVT8+KW02tyd1NH8= X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Nov 2015 07:00:06.1995 (UTC) X-MS-Exchange-CrossTenant-Id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=710a03f5-10f6-4d38-9ff4-a80b81da590d; Ip=[192.88.158.2]; Helo=[az84smr01.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR03MB1480 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Also add nodes and properties for thermal management support. Meanwhile preprocessor support is needed using thermal of framework. Signed-off-by: Jia Hongtao Reviewed-by: Scott Wood --- arch/powerpc/boot/dts/fsl/t1040d4rdb.dts | 2 +- arch/powerpc/boot/dts/fsl/t1040qds.dts | 2 +- arch/powerpc/boot/dts/fsl/t1040rdb.dts | 2 +- arch/powerpc/boot/dts/fsl/t1040si-post.dtsi | 94 +++++++++++++++++++++++++++++ arch/powerpc/boot/dts/fsl/t1042d4rdb.dts | 2 +- arch/powerpc/boot/dts/fsl/t1042qds.dts | 2 +- arch/powerpc/boot/dts/fsl/t1042rdb.dts | 2 +- arch/powerpc/boot/dts/fsl/t1042rdb_pi.dts | 2 +- arch/powerpc/boot/dts/fsl/t1042si-post.dtsi | 2 +- arch/powerpc/boot/dts/fsl/t104xsi-pre.dtsi | 4 ++ 10 files changed, 106 insertions(+), 8 deletions(-) diff --git a/arch/powerpc/boot/dts/fsl/t1040d4rdb.dts b/arch/powerpc/boot/dts/fsl/t1040d4rdb.dts index 681746e..fb6bc02 100644 --- a/arch/powerpc/boot/dts/fsl/t1040d4rdb.dts +++ b/arch/powerpc/boot/dts/fsl/t1040d4rdb.dts @@ -43,4 +43,4 @@ interrupt-parent = <&mpic>; }; -/include/ "t1040si-post.dtsi" +#include "t1040si-post.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/t1040qds.dts b/arch/powerpc/boot/dts/fsl/t1040qds.dts index 4d29865..5f76edc 100644 --- a/arch/powerpc/boot/dts/fsl/t1040qds.dts +++ b/arch/powerpc/boot/dts/fsl/t1040qds.dts @@ -43,4 +43,4 @@ interrupt-parent = <&mpic>; }; -/include/ "t1040si-post.dtsi" +#include "t1040si-post.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/t1040rdb.dts b/arch/powerpc/boot/dts/fsl/t1040rdb.dts index 8f9e65b..cf19415 100644 --- a/arch/powerpc/boot/dts/fsl/t1040rdb.dts +++ b/arch/powerpc/boot/dts/fsl/t1040rdb.dts @@ -45,4 +45,4 @@ }; }; -/include/ "t1040si-post.dtsi" +#include "t1040si-post.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi index d30b3de..e0f4da5 100644 --- a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi @@ -32,6 +32,8 @@ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +#include + &bman_fbpr { compatible = "fsl,bman-fbpr"; alloc-ranges = <0 0 0x10000 0>; @@ -484,6 +486,98 @@ reg = <0xea000 0x4000>; }; + tmu: tmu@f0000 { + compatible = "fsl,qoriq-tmu"; + reg = <0xf0000 0x1000>; + interrupts = <18 2 0 0>; + fsl,tmu-range = <0xa0000 0x90026 0x8004a 0x1006a>; + fsl,tmu-calibration = <0x00000000 0x00000025 + 0x00000001 0x00000028 + 0x00000002 0x0000002d + 0x00000003 0x00000031 + 0x00000004 0x00000036 + 0x00000005 0x0000003a + 0x00000006 0x00000040 + 0x00000007 0x00000044 + 0x00000008 0x0000004a + 0x00000009 0x0000004f + 0x0000000a 0x00000054 + + 0x00010000 0x0000000d + 0x00010001 0x00000013 + 0x00010002 0x00000019 + 0x00010003 0x0000001f + 0x00010004 0x00000025 + 0x00010005 0x0000002d + 0x00010006 0x00000033 + 0x00010007 0x00000043 + 0x00010008 0x0000004b + 0x00010009 0x00000053 + + 0x00020000 0x00000010 + 0x00020001 0x00000017 + 0x00020002 0x0000001f + 0x00020003 0x00000029 + 0x00020004 0x00000031 + 0x00020005 0x0000003c + 0x00020006 0x00000042 + 0x00020007 0x0000004d + 0x00020008 0x00000056 + + 0x00030000 0x00000012 + 0x00030001 0x0000001d>; + #thermal-sensor-cells = <0>; + }; + + thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <1000>; + polling-delay = <5000>; + + thermal-sensors = <&tmu>; + + trips { + cpu_alert: cpu-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_crit: cpu-crit { + temperature = <95000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>; + }; + map1 { + trip = <&cpu_alert>; + cooling-device = + <&cpu1 THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>; + }; + map2 { + trip = <&cpu_alert>; + cooling-device = + <&cpu2 THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>; + }; + map3 { + trip = <&cpu_alert>; + cooling-device = + <&cpu3 THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>; + }; + }; + }; + }; + scfg: global-utilities@fc000 { compatible = "fsl,t1040-scfg"; reg = <0xfc000 0x1000>; diff --git a/arch/powerpc/boot/dts/fsl/t1042d4rdb.dts b/arch/powerpc/boot/dts/fsl/t1042d4rdb.dts index b245b31..2a5a90d 100644 --- a/arch/powerpc/boot/dts/fsl/t1042d4rdb.dts +++ b/arch/powerpc/boot/dts/fsl/t1042d4rdb.dts @@ -50,4 +50,4 @@ }; }; -/include/ "t1040si-post.dtsi" +#include "t1042si-post.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/t1042qds.dts b/arch/powerpc/boot/dts/fsl/t1042qds.dts index 4ab9bbe..90a4a73 100644 --- a/arch/powerpc/boot/dts/fsl/t1042qds.dts +++ b/arch/powerpc/boot/dts/fsl/t1042qds.dts @@ -43,4 +43,4 @@ interrupt-parent = <&mpic>; }; -/include/ "t1042si-post.dtsi" +#include "t1042si-post.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/t1042rdb.dts b/arch/powerpc/boot/dts/fsl/t1042rdb.dts index 67af56b..8d908e7 100644 --- a/arch/powerpc/boot/dts/fsl/t1042rdb.dts +++ b/arch/powerpc/boot/dts/fsl/t1042rdb.dts @@ -45,4 +45,4 @@ }; }; -/include/ "t1042si-post.dtsi" +#include "t1042si-post.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/t1042rdb_pi.dts b/arch/powerpc/boot/dts/fsl/t1042rdb_pi.dts index 2f67677..98c0010 100644 --- a/arch/powerpc/boot/dts/fsl/t1042rdb_pi.dts +++ b/arch/powerpc/boot/dts/fsl/t1042rdb_pi.dts @@ -54,4 +54,4 @@ }; }; -/include/ "t1042si-post.dtsi" +#include "t1042si-post.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/t1042si-post.dtsi b/arch/powerpc/boot/dts/fsl/t1042si-post.dtsi index 319b74f..a5544f9 100644 --- a/arch/powerpc/boot/dts/fsl/t1042si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/t1042si-post.dtsi @@ -32,6 +32,6 @@ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -/include/ "t1040si-post.dtsi" +#include "t1040si-post.dtsi" /* Place holder for ethernet related device tree nodes */ diff --git a/arch/powerpc/boot/dts/fsl/t104xsi-pre.dtsi b/arch/powerpc/boot/dts/fsl/t104xsi-pre.dtsi index fcfa38a..6db0ee8 100644 --- a/arch/powerpc/boot/dts/fsl/t104xsi-pre.dtsi +++ b/arch/powerpc/boot/dts/fsl/t104xsi-pre.dtsi @@ -76,6 +76,7 @@ reg = <0>; clocks = <&mux0>; next-level-cache = <&L2_1>; + #cooling-cells = <2>; L2_1: l2-cache { next-level-cache = <&cpc>; }; @@ -85,6 +86,7 @@ reg = <1>; clocks = <&mux1>; next-level-cache = <&L2_2>; + #cooling-cells = <2>; L2_2: l2-cache { next-level-cache = <&cpc>; }; @@ -94,6 +96,7 @@ reg = <2>; clocks = <&mux2>; next-level-cache = <&L2_3>; + #cooling-cells = <2>; L2_3: l2-cache { next-level-cache = <&cpc>; }; @@ -103,6 +106,7 @@ reg = <3>; clocks = <&mux3>; next-level-cache = <&L2_4>; + #cooling-cells = <2>; L2_4: l2-cache { next-level-cache = <&cpc>; };