From patchwork Sat May 25 14:18:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 1105336 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) 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=none (p=none dis=none) header.from=bootlin.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45B5216MNHz9s9y for ; Sun, 26 May 2019 00:18:33 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726855AbfEYOSc (ORCPT ); Sat, 25 May 2019 10:18:32 -0400 Received: from relay2-d.mail.gandi.net ([217.70.183.194]:50699 "EHLO relay2-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726126AbfEYOSb (ORCPT ); Sat, 25 May 2019 10:18:31 -0400 X-Originating-IP: 90.89.68.76 Received: from localhost (lfbn-1-10718-76.w90-89.abo.wanadoo.fr [90.89.68.76]) (Authenticated sender: maxime.ripard@bootlin.com) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id CA2B440005; Sat, 25 May 2019 14:18:22 +0000 (UTC) From: Maxime Ripard To: Wolfram Sang , Mark Rutland , Rob Herring , Frank Rowand , Chen-Yu Tsai , Maxime Ripard Cc: linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: i2c: sun6i-p2wi: Add YAML schemas Date: Sat, 25 May 2019 16:18:20 +0200 Message-Id: <20190525141821.20082-1-maxime.ripard@bootlin.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Switch the DT binding to a YAML schema to enable the DT validation. Signed-off-by: Maxime Ripard --- .../i2c/allwinner,sun6i-a31-p2wi.yaml | 71 +++++++++++++++++++ .../bindings/i2c/i2c-sun6i-p2wi.txt | 41 ----------- 2 files changed, 71 insertions(+), 41 deletions(-) create mode 100644 Documentation/devicetree/bindings/i2c/allwinner,sun6i-a31-p2wi.yaml delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt diff --git a/Documentation/devicetree/bindings/i2c/allwinner,sun6i-a31-p2wi.yaml b/Documentation/devicetree/bindings/i2c/allwinner,sun6i-a31-p2wi.yaml new file mode 100644 index 000000000000..780a33080140 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/allwinner,sun6i-a31-p2wi.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/allwinner,sun6i-a31-p2wi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A31 P2WI (Push/Pull 2 Wires Interface) Device Tree Bindings + +maintainers: + - Chen-Yu Tsai + - Maxime Ripard + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + compatible: + const: allwinner,sun6i-a31-p2wi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + clock-frequency: + minimum: 1 + maximum: 6000000 + +required: + - compatible + - reg + - interrupts + - clocks + - resets + +# FIXME: We should set it, but it would report all the generic +# properties as additional properties. +# additionalProperties: false + +examples: + - | + p2wi@1f03400 { + compatible = "allwinner,sun6i-a31-p2wi"; + reg = <0x01f03400 0x400>; + interrupts = <0 39 4>; + clocks = <&apb0_gates 3>; + clock-frequency = <6000000>; + resets = <&apb0_rst 3>; + #address-cells = <1>; + #size-cells = <0>; + + axp221: pmic@68 { + compatible = "x-powers,axp221"; + reg = <0x68>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt b/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt deleted file mode 100644 index 49df0053347a..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt +++ /dev/null @@ -1,41 +0,0 @@ - -* Allwinner P2WI (Push/Pull 2 Wire Interface) controller - -Required properties : - - - reg : Offset and length of the register set for the device. - - compatible : Should one of the following: - - "allwinner,sun6i-a31-p2wi" - - interrupts : The interrupt line connected to the P2WI peripheral. - - clocks : The gate clk connected to the P2WI peripheral. - - resets : The reset line connected to the P2WI peripheral. - -Optional properties : - - - clock-frequency : Desired P2WI bus clock frequency in Hz. If not set the -default frequency is 100kHz - -A P2WI may contain one child node encoding a P2WI slave device. - -Slave device properties: - Required properties: - - reg : the I2C slave address used during the initialization - process to switch from I2C to P2WI mode - -Example: - - p2wi@1f03400 { - compatible = "allwinner,sun6i-a31-p2wi"; - reg = <0x01f03400 0x400>; - interrupts = <0 39 4>; - clocks = <&apb0_gates 3>; - clock-frequency = <6000000>; - resets = <&apb0_rst 3>; - - axp221: pmic@68 { - compatible = "x-powers,axp221"; - reg = <0x68>; - - /* ... */ - }; - };