From patchwork Mon May 16 16:33:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 573068 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC5DEC433F5 for ; Mon, 16 May 2022 16:32:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343681AbiEPQci (ORCPT ); Mon, 16 May 2022 12:32:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343704AbiEPQcg (ORCPT ); Mon, 16 May 2022 12:32:36 -0400 Received: from mx0a-002e3701.pphosted.com (mx0a-002e3701.pphosted.com [148.163.147.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2089D3B3ED; Mon, 16 May 2022 09:32:33 -0700 (PDT) Received: from pps.filterd (m0150242.ppops.net [127.0.0.1]) by mx0a-002e3701.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 24G9UZ26011356; Mon, 16 May 2022 16:32:22 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hpe.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version; s=pps0720; bh=tHQHa+zVoo/ogw3baS4ruzIWLZW79RxKI0mzDPUQGSQ=; b=aBmTG6w4LZu3xGaTltajTtpj8Njg/axrXC0o5XQN9lm94SnQkKbcNFS1oGfchaOwztnm g21Wmu0X/iQH2PtovRqf1lvvve5qACel5YxqzY+OSi/uWhjttEHnAdt6WWxuv6xvNwqz 5h4Fj6Xbf6Q7osIpjwGz3pDmiXMlIdfDVUfknjO2LyOqF0SSiRndOtNAH0pzhj7kmKPO ECuJ6HULJ2H5kopaFkJOV7H9tDMtwyhDRxxZMuU13CDZpwhrlymuErgOmlycJJ3G2o9I IX/xwDPHXR6oujH4VTfANhyoiAP3S0wJir88Ub86FQMQ3HacWKkiBI0HPcYQXiqvb95A xw== Received: from g9t5009.houston.hpe.com (g9t5009.houston.hpe.com [15.241.48.73]) by mx0a-002e3701.pphosted.com (PPS) with ESMTPS id 3g3gk4qttr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 16 May 2022 16:32:22 +0000 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g9t5009.houston.hpe.com (Postfix) with ESMTP id 8260955; Mon, 16 May 2022 16:32:21 +0000 (UTC) Received: from hpe.com (cigateway-dev.us.rdlabs.hpecorp.net [10.14.73.30]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id 2ABF848; Mon, 16 May 2022 16:32:21 +0000 (UTC) From: nick.hawkins@hpe.com To: verdun@hpe.com, nick.hawkins@hpe.com, joel@jms.id.au, arnd@arndb.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Daniel Lezcano , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , devicetree@vger.kernel.org Subject: [PATCH v8 5/8] dt-bindings: timer: hpe,gxp-timer: Add HPE GXP Timer and Watchdog Date: Mon, 16 May 2022 11:33:43 -0500 Message-Id: <20220516163347.44890-5-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220516163347.44890-1-nick.hawkins@hpe.com> References: <20220516163347.44890-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: Hl0lqory2VEUAkESXPUKbc01mO7GnefA X-Proofpoint-GUID: Hl0lqory2VEUAkESXPUKbc01mO7GnefA X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-05-16_15,2022-05-16_02,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 bulkscore=0 phishscore=0 mlxscore=0 clxscore=1015 impostorscore=0 suspectscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2205160092 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Nick Hawkins Add support for the HPE GXP Timer and Watchdog. There are multiple timers on the SoC but only one is enabled at this time. Signed-off-by: Nick Hawkins Reviewed-by: Krzysztof Kozlowski Reviewed-by: Rob Herring --- v8: * No change v7: * Resubmission to fix subject from dt-bindings: timer: hpe,gxp-timer: Creation to dt-bindings: timer: hpe,gxp-timer: Add HPE GXP Timer and Watchdog based on comment: 'The subject after prefixes does not match it better. What is "creation"? "Add HPE GXP Timer and Watchdog"' * Copied over Reviewed-by tags from previous patch. v6: * Removed simple-mfd compatible, timer will create watchdog without watchdog node. * Removed timer0 label * Changed title from HPE GXP TIMER to HPE GXP Timer * Changed clock name iopclk to iop * Set additionalProperties to false * Added space after ',' in the compatible list * Changed subject to match the log better * Altered description to take up 75 characters per line * Changed description to better describe the patch v5: * Fix versioning * Fixed typo time -> timer v4: * Made watchdog a child of timer * Added reference clock v3: * Removed maintainer change from patch * Verified there was no compilation errors * Added reference code in separate patch of patchset v2: * Converted from txt to yaml --- .../bindings/timer/hpe,gxp-timer.yaml | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml diff --git a/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml b/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml new file mode 100644 index 000000000000..d33d90f44d28 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/hpe,gxp-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HPE GXP Timer + +maintainers: + - Nick Hawkins + - Jean-Marie Verdun + +properties: + compatible: + const: hpe,gxp-timer + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: iop + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + timer@c0000000 { + compatible = "hpe,gxp-timer"; + reg = <0x80 0x16>; + interrupts = <0>; + interrupt-parent = <&vic0>; + clocks = <&iopclk>; + clock-names = "iop"; + }; From patchwork Mon May 16 16:33:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 573067 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B36A6C433F5 for ; Mon, 16 May 2022 16:33:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343741AbiEPQdH (ORCPT ); Mon, 16 May 2022 12:33:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343697AbiEPQdE (ORCPT ); Mon, 16 May 2022 12:33:04 -0400 Received: from mx0b-002e3701.pphosted.com (mx0b-002e3701.pphosted.com [148.163.143.35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0223D3BBDC; Mon, 16 May 2022 09:32:49 -0700 (PDT) Received: from pps.filterd (m0150245.ppops.net [127.0.0.1]) by mx0b-002e3701.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 24GEAGBQ029646; Mon, 16 May 2022 16:32:36 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hpe.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=pps0720; bh=/DStH2cz6HTojO5/89miC9YP4cLF8UgBZRQ1kIWSQMk=; b=GjCLO6kp9naJUtZYHVN9MW2Zr6JvUMg0laZZNyV2sljyWyDx3yTTMAmw2QVPF0R38XVs BO7CoITwgox5boqqwHtFYDZhN1a5MX6axR/ogdhCRA8SBcOavihNxgC/zFfmB9fgq51r S2V3AeC3FO9GK2PAtCueCpHhlbpU6cLmybGDc/cOUQ6xdKrlsx/546UlYZengWQhiGIr QoQSNcx3t1ihDuuMDkVR6uXCp+krpeG3nLnkFl7Vc7lzWCiwE38NA32rvvVpsimA1BpA N9JC9x9RQAL9nhQeNi2rNjT2HIIz0zF266Y6IwbceFfcU0W0sCAtCf7q/Hs1JbW4mqM4 mA== Received: from g9t5009.houston.hpe.com (g9t5009.houston.hpe.com [15.241.48.73]) by mx0b-002e3701.pphosted.com (PPS) with ESMTPS id 3g3r4uhwnj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 16 May 2022 16:32:35 +0000 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g9t5009.houston.hpe.com (Postfix) with ESMTP id 3702F55; Mon, 16 May 2022 16:32:35 +0000 (UTC) Received: from hpe.com (cigateway-dev.us.rdlabs.hpecorp.net [10.14.73.30]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id D57294D; Mon, 16 May 2022 16:32:34 +0000 (UTC) From: nick.hawkins@hpe.com To: verdun@hpe.com, nick.hawkins@hpe.com, joel@jms.id.au, arnd@arndb.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , devicetree@vger.kernel.org Subject: [PATCH v8 7/8] ARM: dts: Introduce HPE GXP Device tree Date: Mon, 16 May 2022 11:33:45 -0500 Message-Id: <20220516163347.44890-7-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220516163347.44890-1-nick.hawkins@hpe.com> References: <20220516163347.44890-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: TwAdXS0TVTzBwDb89h84MqIc0CM73g8_ X-Proofpoint-GUID: TwAdXS0TVTzBwDb89h84MqIc0CM73g8_ X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-05-16_15,2022-05-16_02,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 malwarescore=0 priorityscore=1501 bulkscore=0 adultscore=0 clxscore=1015 spamscore=0 impostorscore=0 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2205160092 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Nick Hawkins The HPE SoC is new to linux. A basic device tree layout with minimum required for linux to boot including a timer and watchdog support has been created. The dts file is empty at this point but will be updated in subsequent updates as board specific features are enabled. Signed-off-by: Nick Hawkins Acked-by: Krzysztof Kozlowski --- v8: * No change v7: * Changed cache register area length from 0xFFC to 0x1000 * Added space between "," in compatible list for the hpe-bmc-dl360gen10.dts * Added aliases, chosen, and memory to hpe-bmc-dl360gen10.dts * Removed memory from hpe-gxp.dtsi v6: * Added cache-controller to CPU * Removed hpe,gxp-wdt and removed simple-mfd from hpe,gxp-timer * Added space after ',' in compatible lists in the dtsi containing more than one item * Switched clock name iopclk to iop based on feedback from hpe,gxp-timer.yaml * Added clock labels clock-0 and clock-1 * Added dma-ranges to ahb * Changed subject to better match ones in the log * Changed description to fit 75 characters per line v5: * Fixed commit message to show previous changes * Fixed typo ehci -> echi v4: * Removed hpe,gxp-cpu-init as it was no longer necessary * Removed bootargs as requested * Removed empty ahb node * Moved reg after compatible, everywhere * Removed osc and memclk * Removed syscon@c00000f8 as it was not necessary for boot * Fixed Alphabetical issue in dts/Makefile * Added specific board binding for dl360gen10 * Removed empty node * Added Accurate Clock Architecture * Fixed generic-echi and generic-ochi issues * Removed i2cg v3: * Fixed issues with warnings * Used proper patchset format v2: * Reduced size of dtsi to essential components * Followed the proper format for having a dtsi and dts --- arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/hpe-bmc-dl360gen10.dts | 26 +++++ arch/arm/boot/dts/hpe-gxp.dtsi | 127 +++++++++++++++++++++++ 3 files changed, 155 insertions(+) create mode 100644 arch/arm/boot/dts/hpe-bmc-dl360gen10.dts create mode 100644 arch/arm/boot/dts/hpe-gxp.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 7c16f8a2b738..293717719c70 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -255,6 +255,8 @@ dtb-$(CONFIG_ARCH_HISI) += \ hi3519-demb.dtb dtb-$(CONFIG_ARCH_HIX5HD2) += \ hisi-x5hd2-dkb.dtb +dtb-$(CONFIG_ARCH_HPE_GXP) += \ + hpe-bmc-dl360gen10.dtb dtb-$(CONFIG_ARCH_INTEGRATOR) += \ integratorap.dtb \ integratorap-im-pd1.dtb \ diff --git a/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts b/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts new file mode 100644 index 000000000000..3a7382ce40ef --- /dev/null +++ b/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree file for HPE DL360Gen10 + */ + +/include/ "hpe-gxp.dtsi" + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "hpe,gxp-dl360gen10", "hpe,gxp"; + model = "Hewlett Packard Enterprise ProLiant dl360 Gen10"; + + aliases { + serial0 = &uartc; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0x40000000 0x20000000>; + }; +}; diff --git a/arch/arm/boot/dts/hpe-gxp.dtsi b/arch/arm/boot/dts/hpe-gxp.dtsi new file mode 100644 index 000000000000..cf735b3c4f35 --- /dev/null +++ b/arch/arm/boot/dts/hpe-gxp.dtsi @@ -0,0 +1,127 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree file for HPE GXP + */ + +/dts-v1/; +/ { + model = "Hewlett Packard Enterprise GXP BMC"; + compatible = "hpe,gxp"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,cortex-a9"; + reg = <0>; + device_type = "cpu"; + next-level-cache = <&L2>; + }; + }; + + clocks { + pll: clock-0 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <1600000000>; + }; + + iopclk: clock-1 { + compatible = "fixed-factor-clock"; + #clock-cells = <0>; + clock-div = <4>; + clock-mult = <1>; + clocks = <&pll>; + }; + }; + + axi { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + dma-ranges; + + L2: cache-controller@b0040000 { + compatible = "arm,pl310-cache"; + reg = <0xb0040000 0x1000>; + cache-unified; + cache-level = <2>; + }; + + ahb@c0000000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0xc0000000 0x30000000>; + dma-ranges; + + vic0: interrupt-controller@eff0000 { + compatible = "arm,pl192-vic"; + reg = <0xeff0000 0x1000>; + interrupt-controller; + #interrupt-cells = <1>; + }; + + vic1: interrupt-controller@80f00000 { + compatible = "arm,pl192-vic"; + reg = <0x80f00000 0x1000>; + interrupt-controller; + #interrupt-cells = <1>; + }; + + uarta: serial@e0 { + compatible = "ns16550a"; + reg = <0xe0 0x8>; + interrupts = <17>; + interrupt-parent = <&vic0>; + clock-frequency = <1846153>; + reg-shift = <0>; + }; + + uartb: serial@e8 { + compatible = "ns16550a"; + reg = <0xe8 0x8>; + interrupts = <18>; + interrupt-parent = <&vic0>; + clock-frequency = <1846153>; + reg-shift = <0>; + }; + + uartc: serial@f0 { + compatible = "ns16550a"; + reg = <0xf0 0x8>; + interrupts = <19>; + interrupt-parent = <&vic0>; + clock-frequency = <1846153>; + reg-shift = <0>; + }; + + usb0: usb@efe0000 { + compatible = "hpe,gxp-ehci", "generic-ehci"; + reg = <0xefe0000 0x100>; + interrupts = <7>; + interrupt-parent = <&vic0>; + }; + + st: timer@80 { + compatible = "hpe,gxp-timer"; + reg = <0x80 0x16>; + interrupts = <0>; + interrupt-parent = <&vic0>; + clocks = <&iopclk>; + clock-names = "iop"; + }; + + usb1: usb@efe0100 { + compatible = "hpe,gxp-ohci", "generic-ohci"; + reg = <0xefe0100 0x110>; + interrupts = <6>; + interrupt-parent = <&vic0>; + }; + }; + }; +};