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Thu, 24 Jun 2021 19:29:47 +0100 Envelope-to: git-dev@xilinx.com, anand.ashok.dumbre@xilinx.com, michal.simek@xilinx.com, jic23@kernel.org, lars@metafoo.de, linux-iio@vger.kernel.org, pmeerw@pmeerw.net, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Received: from [10.71.188.1] (port=43962 helo=xiranandash40.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1lwU6e-0004j4-DW; Thu, 24 Jun 2021 19:29:40 +0100 From: Anand Ashok Dumbre To: , , , , , , , CC: Anand Ashok Dumbre Subject: [PATCH v6 0/4] Add Xilinx AMS Driver Date: Thu, 24 Jun 2021 19:29:35 +0100 Message-ID: <20210624182939.12881-1-anand.ashok.dumbre@xilinx.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 051f9bac-ebc8-40af-bc1a-08d9373e0ce8 X-MS-TrafficTypeDiagnostic: SN6PR02MB4205: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:8882; 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X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Jun 2021 18:29:49.2035 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 051f9bac-ebc8-40af-bc1a-08d9373e0ce8 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.80.198];Helo=[xir-pvapexch01.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: BN1NAM02FT057.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR02MB4205 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add Xilinx AMS driver which is used for Xilinx's ZynqMP AMS controller. This AMS driver is used to report various interface voltages and temperatures across the system. This driver will be used by iio-hwmon to repport voltages and temperatures across the system by using various channel interfaces. This driver handles AMS module including PS-Sysmon & PL-Sysmon. The binding documentation is added for understanding of AMS, PS, PL Sysmon Channels. Changes in v2: - Added documentation for sysfs (Patch-2) - Addressed code style review comments - Patch-2 (Now it is Patch-3) - Arranged the includes in alphabetical order - Removed the wrapper 'ams_pl_write_reg()' and used writel instead - Removed the unnecessary delay of 1ms and used polling of EOC instead - Removed spin_lock and used mutex only. - Used request_irq() instead of devm_request_irq() and handled respective error conditions - Moved contents of xilinx-ams.h to inline with xilinx-ams.c - Patch-1 - Addressed Documentation style comments Changes in v3: - Updated bindings document with the suggested modification in v2 review - Removed documentation for sysfs - Removed extended names for channels in the Xilinx AMS driver - Modified dts to use ranges for child nodes - Reduced address and size cells to 32-bit instead of 64-bit Changes in v4: - Updated bindings document with the suggested modification in v3 review - Changed the Device Tree property 'ranges' for child nodes - Used Channel Numbers as 'reg' value in DT to avoid confusion - Removed unused NULL arguments as suggested in v3 patch review - Addressed comments on Device Tree property naming Changes in v5: - Updated bindings document to the YAML format - Updated bindings document with the suggested modification in v4 review - Renamed iio_pl_info struct to iio_ams_info in Xilinx AMS driver - Updated the Xilinx AMS driver to not use iio_priv_to_dev function - Updated Xilinx AMS node to reflect the changes in bindings document - Update MAINTAINERS file Changes in v6: - Removed all tabs from bindings document. - Removed the xlnx,ext-channels node from the device tree since it is not neeeded. - Fixed unit addresses for ps-ams and pl-ams. - Removed the names property from bindings. - Fixed warnings from checkpatch.pl in the driver. - devm_add_action_or_reset() used for exit/error path. - devm_request_irq() for managed irq request instead of request_irq() Anand Ashok Dumbre (4): arm64: zynqmp: DT: Add Xilinx AMS node iio: adc: Add Xilinx AMS driver dt-bindings: iio: adc: Add Xilinx AMS binding documentation MAINTAINERS: Add maintainer for xilinx-ams .../bindings/iio/adc/xlnx,zynqmp-ams.yaml | 228 +++ MAINTAINERS | 7 + arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 26 +- drivers/iio/adc/Kconfig | 13 + drivers/iio/adc/Makefile | 1 + drivers/iio/adc/xilinx-ams.c | 1342 +++++++++++++++++ 6 files changed, 1616 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml create mode 100644 drivers/iio/adc/xilinx-ams.c -- 2.17.1