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Wed, 18 Dec 2019 16:24:00 +0000 From: To: , , CC: , , , , , , , , Subject: [PATCH 02/10] dt-bindings: iio: adc: at91-sama5d2: add rtc-trigger optional property Thread-Topic: [PATCH 02/10] dt-bindings: iio: adc: at91-sama5d2: add rtc-trigger optional property Thread-Index: AQHVtb+NqLUQmMTAWE2Je79GFXwa4Q== Date: Wed, 18 Dec 2019 16:23:58 +0000 Message-ID: <1576686157-11939-3-git-send-email-eugen.hristev@microchip.com> References: <1576686157-11939-1-git-send-email-eugen.hristev@microchip.com> In-Reply-To: <1576686157-11939-1-git-send-email-eugen.hristev@microchip.com> Accept-Language: en-US, ro-RO Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 6f44049a-f87d-4ce5-5e78-08d783d6b08b x-ms-traffictypediagnostic: DM5PR11MB1769: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6430; x-forefront-prvs: 0255DF69B9 x-forefront-antispam-report: SFV:NSPM; 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The ADC is connected internally with a line to the RTC block. The RTC can provide a trigger signal to the ADC to start conversions. Signed-off-by: Eugen Hristev --- Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt index 4a3c1d4..1980f0e 100644 --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt @@ -23,6 +23,9 @@ Optional properties: See ../../dma/dma.txt for details. - #io-channel-cells: in case consumer drivers are attached, this must be 1. See for details. + - atmel,rtc-trigger: The ADC IP block can be triggered by the RTC block +inside the SoC. This property is a phandle to a node that provides a +trigger device, if the ADC block supports it. Properties for consumer drivers: - Consumer drivers can be connected to this producer device, as specified @@ -44,6 +47,7 @@ adc: adc@fc030000 { vddana-supply = <&vdd_3v3_lp_reg>; vref-supply = <&vdd_3v3_lp_reg>; atmel,trigger-edge-type = ; + atmel,rtc-trigger = <&rtc_adc_trigger>; dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>; dma-names = "rx"; #io-channel-cells = <1>; From patchwork Wed Dec 18 16:23:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugen Hristev X-Patchwork-Id: 1212572 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=microchip.com Authentication-Results: ozlabs.org; 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b=XQagWMFpAAihScx4mlA7IjN0qPPUVRHt3Mo15mJ2BsnBEOb8zWaOOkJjOsqopCt2G5f0gQ2h1ElzWp8QkP4garTR5MLs0WR04zsgwwwavJZ6hKp5lvgxLm3YQrY9pqQG2iYidOOKx8wCHWkVIWjMUQZYAS71srjaRx9YurItpd8= Received: from DM5PR11MB1242.namprd11.prod.outlook.com (10.168.108.8) by DM5PR11MB1769.namprd11.prod.outlook.com (10.175.87.19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2538.19; Wed, 18 Dec 2019 16:24:01 +0000 Received: from DM5PR11MB1242.namprd11.prod.outlook.com ([fe80::9039:e0e8:9032:20c1]) by DM5PR11MB1242.namprd11.prod.outlook.com ([fe80::9039:e0e8:9032:20c1%12]) with mapi id 15.20.2559.012; Wed, 18 Dec 2019 16:24:01 +0000 From: To: , , CC: , , , , , , , , Subject: [PATCH 03/10] dt-bindings: iio: trigger: at91-rtc-trigger: add bindings Thread-Topic: [PATCH 03/10] dt-bindings: iio: trigger: at91-rtc-trigger: add bindings Thread-Index: AQHVtb+NaJqoAh7pvkOjOkr/UgCULg== Date: Wed, 18 Dec 2019 16:23:59 +0000 Message-ID: <1576686157-11939-4-git-send-email-eugen.hristev@microchip.com> References: <1576686157-11939-1-git-send-email-eugen.hristev@microchip.com> In-Reply-To: <1576686157-11939-1-git-send-email-eugen.hristev@microchip.com> Accept-Language: en-US, ro-RO Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 05dbfc0d-742c-4a2c-3c75-08d783d6b0e1 x-ms-traffictypediagnostic: DM5PR11MB1769: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6108; x-forefront-prvs: 0255DF69B9 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(366004)(396003)(39860400002)(136003)(346002)(376002)(199004)(189003)(66476007)(66946007)(66446008)(76116006)(91956017)(2616005)(64756008)(66556008)(86362001)(966005)(186003)(316002)(110136005)(8676002)(54906003)(8936002)(71200400001)(81166006)(478600001)(2906002)(6512007)(26005)(81156014)(36756003)(4326008)(6506007)(5660300002)(6486002)(107886003)(562404015); DIR:OUT; SFP:1101; SCL:1; SRVR:DM5PR11MB1769; H:DM5PR11MB1242.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 05dbfc0d-742c-4a2c-3c75-08d783d6b0e1 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Dec 2019 16:23:59.8381 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: qGxd2A/B9HsdDBDrb864ZQOq8Jha3kmxqpwwy7e6qkth4N5Iel+ywdCai6BNXoeoJsIhjmx/kV9j37G6vG3tWB4wGyyvPJKxOMDicc6Dxik= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR11MB1769 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Eugen Hristev Add bindings for AT91 RTC ADC Trigger hardware node. Signed-off-by: Eugen Hristev --- .../bindings/iio/trigger/at91-rtc-trigger.yaml | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 040000 Documentation/devicetree/bindings/iio/trigger create mode 100644 Documentation/devicetree/bindings/iio/trigger/at91-rtc-trigger.yaml diff --git a/Documentation/devicetree/bindings/iio/trigger/at91-rtc-trigger.yaml b/Documentation/devicetree/bindings/iio/trigger/at91-rtc-trigger.yaml new file mode 100644 index 0000000..c8c5886 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/trigger/at91-rtc-trigger.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright 2019 Eugen Hristev +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/bindings/iio/trigger/microchip,rtc-adc-trigger.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Microchip AT91 RTC ADC Trigger (Real Time Clock to Analog to Digital Converter) + +maintainers: + - Eugen Hristev + +description: | + Bindings for the Microchip AT91 RTC ADC Trigger. + The Real Time Clock block inside AT91 SoCs can be connected with a direct + hardware line to the ADC. This line can be raised at a specific time + interval in order to trigger the ADC to perform conversions. + Datasheet can be found here: http://ww1.microchip.com/downloads/en/devicedoc/ds60001476b.pdf + +properties: + compatible: + enum: + - microchip,rtc-adc-trigger + + reg: + description: | + Register map address (start address, size). + maxItems: 2 + +required: + - compatible + - reg + +examples: + - | + { + #address_cells = <1>; + #size-cells = <1>; + + rtc_adc_trigger: rtc-adc-trigger { + reg = <0x0 0x10>; + compatible = "microchip,rtc-adc-trigger"; + }; + };