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Tue, 15 Jun 2021 01:06:36 -0700 Envelope-to: git@xilinx.com, linus.walleij@linaro.org, bgolaszewski@baylibre.com, robh+dt@kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Received: from [10.140.6.35] (port=43350 helo=xhdsaipava40.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1lt45j-0002dn-Hh; Tue, 15 Jun 2021 01:06:35 -0700 From: Piyush Mehta To: , , , , , CC: , , , , Piyush Mehta Subject: [PATCH 0/2] gpio: modepin: Add driver support for modepin GPIO controller Date: Tue, 15 Jun 2021 13:35:51 +0530 Message-ID: <20210615080553.2021061-1-piyush.mehta@xilinx.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ba270420-c1d5-49f4-c0c4-08d92fd49602 X-MS-TrafficTypeDiagnostic: BN7PR02MB4177: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:5236; 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X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jun 2021 08:07:14.4411 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ba270420-c1d5-49f4-c0c4-08d92fd49602 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.62.198];Helo=[xsj-pvapexch02.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: BN1NAM02FT037.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR02MB4177 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch adds support for the mode pin GPIO controller and documented for the same. GPIO Modepin driver set and get the value and status of the PS_MODE pin, based on device-tree pin configuration. These 4-bits boot-mode pins are dedicated configurable as input/output. After the stabilization of the system,these mode pins are sampled. Piyush Mehta (2): dt-bindings: gpio: Add binding documentation for modepin gpio: modepin: Add driver support for modepin GPIO controller .../bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml | 41 ++++++ drivers/gpio/Kconfig | 12 ++ drivers/gpio/Makefile | 1 + drivers/gpio/gpio-zynqmp-modepin.c | 154 +++++++++++++++++++++ 4 files changed, 208 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml create mode 100644 drivers/gpio/gpio-zynqmp-modepin.c