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Tue, 12 Jul 2022 10:16:24 +0000 From: Francesco Dolcini To: Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski CC: Max Krummenacher , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Francesco Dolcini Subject: [PATCH v1 2/2] dt-bindings: input: colibri-vf50-ts: Improve documentation Date: Tue, 12 Jul 2022 12:16:19 +0200 Message-ID: <20220712101619.326120-3-francesco.dolcini@toradex.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220712101619.326120-1-francesco.dolcini@toradex.com> References: <20220712101619.326120-1-francesco.dolcini@toradex.com> X-ClientProxiedBy: MRXP264CA0043.FRAP264.PROD.OUTLOOK.COM (2603:10a6:500:14::31) To ZRAP278MB0495.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:2e::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 96aee72f-03f8-4bdb-01ba-08da63ef92e7 X-MS-TrafficTypeDiagnostic: GVAP278MB0165:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0 X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:ZRAP278MB0495.CHEP278.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230016)(4636009)(376002)(346002)(396003)(366004)(39850400004)(136003)(5660300002)(8936002)(86362001)(26005)(6506007)(6666004)(6512007)(2906002)(478600001)(52116002)(6486002)(41300700001)(44832011)(38350700002)(38100700002)(1076003)(2616005)(107886003)(186003)(36756003)(4326008)(316002)(8676002)(66946007)(66556008)(66476007)(54906003)(83380400001)(110136005);DIR:OUT;SFP:1102 X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: toradex.com X-MS-Exchange-CrossTenant-Network-Message-Id: 96aee72f-03f8-4bdb-01ba-08da63ef92e7 X-MS-Exchange-CrossTenant-AuthSource: ZRAP278MB0495.CHEP278.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jul 2022 10:16:24.0073 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: d9995866-0d9b-4251-8315-093f062abab4 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: +kyKydSbmY530u4a08PWptI295F4phB9E9m5RorYtVyzdACcL9Unx0i16LT6lw42qJWT+QybzxQWuoEWyecAAgi2/+ZQnnUgIWhbcwedN8s= X-MS-Exchange-Transport-CrossTenantHeadersStamped: GVAP278MB0165 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CDE13A77 smtp.mailfrom=francesco.dolcini@toradex.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: toradex.com X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Max Krummenacher Clarify properties definition, drop unused pinctrl-2 state 'gpio'. Signed-off-by: Max Krummenacher Signed-off-by: Francesco Dolcini Acked-by: Krzysztof Kozlowski --- .../input/touchscreen/colibri-vf50-ts.txt | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt index 2e1490a8fe74..ca304357c374 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt @@ -3,15 +3,16 @@ Required Properties: - compatible must be toradex,vf50-touchscreen - io-channels: adc channels being used by the Colibri VF50 module + IIO ADC for Y-, X-, Y+, X+ connections - xp-gpios: FET gate driver for input of X+ - xm-gpios: FET gate driver for input of X- - yp-gpios: FET gate driver for input of Y+ - ym-gpios: FET gate driver for input of Y- -- interrupts: pen irq interrupt for touch detection -- pinctrl-names: "idle", "default", "gpios" -- pinctrl-0: pinctrl node for pen/touch detection state pinmux +- interrupts: pen irq interrupt for touch detection, signal from X plate +- pinctrl-names: "idle", "default" +- pinctrl-0: pinctrl node for pen/touch detection, pinctrl must provide + pull-up resistor on X+, X-. - pinctrl-1: pinctrl node for X/Y and pressure measurement (ADC) state pinmux -- pinctrl-2: pinctrl node for gpios functioning as FET gate drivers - vf50-ts-min-pressure: pressure level at which to stop measuring X/Y values Example: @@ -26,9 +27,8 @@ Example: ym-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>; interrupt-parent = <&gpio0>; interrupts = <8 IRQ_TYPE_LEVEL_LOW>; - pinctrl-names = "idle","default","gpios"; - pinctrl-0 = <&pinctrl_touchctrl_idle>; - pinctrl-1 = <&pinctrl_touchctrl_default>; - pinctrl-2 = <&pinctrl_touchctrl_gpios>; + pinctrl-names = "idle","default"; + pinctrl-0 = <&pinctrl_touchctrl_idle>, <&pinctrl_touchctrl_gpios>; + pinctrl-1 = <&pinctrl_touchctrl_default>, <&pinctrl_touchctrl_gpios>; vf50-ts-min-pressure = <200>; };