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Fri, 6 May 2022 19:13:15 +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 v7 5/8] dt-bindings: timer: hpe, gxp-timer: Add HPE GXP Timer and Watchdog Date: Fri, 6 May 2022 14:13:36 -0500 Message-Id: <20220506191339.78617-5-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220506191339.78617-1-nick.hawkins@hpe.com> References: <20220506191339.78617-1-nick.hawkins@hpe.com> X-Proofpoint-GUID: lyXynusE0TCPEQDF_bdby4QpfOe19eCF X-Proofpoint-ORIG-GUID: lyXynusE0TCPEQDF_bdby4QpfOe19eCF 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=2022-05-06_07,2022-05-06_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 malwarescore=0 spamscore=0 adultscore=0 clxscore=1015 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2205060097 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220506_121324_897388_2E6AC0BD X-CRM114-Status: GOOD ( 19.75 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 --- 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"; + };