From patchwork Thu Jan 14 18:04:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 1426594 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4DGsgP6tPxz9sVX for ; Fri, 15 Jan 2021 05:05:53 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729830AbhANSFO (ORCPT ); Thu, 14 Jan 2021 13:05:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729828AbhANSFO (ORCPT ); Thu, 14 Jan 2021 13:05:14 -0500 Received: from relay03.th.seeweb.it (relay03.th.seeweb.it [IPv6:2001:4b7a:2000:18::164]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4B24C0613CF; Thu, 14 Jan 2021 10:04:18 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (unknown [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r1.th.seeweb.it (Postfix) with ESMTPSA id 436DC1F4EA; Thu, 14 Jan 2021 19:04:17 +0100 (CET) From: AngeloGioacchino Del Regno To: agross@kernel.org Cc: linux-kernel@vger.kernel.org, konrad.dybcio@somainline.org, marijn.suijten@somainline.org, martin.botka@somainline.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, phone-devel@vger.kernel.org, AngeloGioacchino Del Regno Subject: [PATCH v3 1/3] dt-bindings: i2c: qcom,i2c-qup: Convert txt to YAML schema Date: Thu, 14 Jan 2021 19:04:13 +0100 Message-Id: <20210114180415.404418-2-angelogioacchino.delregno@somainline.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210114180415.404418-1-angelogioacchino.delregno@somainline.org> References: <20210114180415.404418-1-angelogioacchino.delregno@somainline.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Convert the qcom,i2c-qup binding to YAML schema. Signed-off-by: AngeloGioacchino Del Regno --- .../devicetree/bindings/i2c/qcom,i2c-qup.txt | 40 --------- .../devicetree/bindings/i2c/qcom,i2c-qup.yaml | 87 +++++++++++++++++++ 2 files changed, 87 insertions(+), 40 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/qcom,i2c-qup.txt create mode 100644 Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.txt b/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.txt deleted file mode 100644 index dc71754a56af..000000000000 --- a/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.txt +++ /dev/null @@ -1,40 +0,0 @@ -Qualcomm Universal Peripheral (QUP) I2C controller - -Required properties: - - compatible: Should be: - * "qcom,i2c-qup-v1.1.1" for 8660, 8960 and 8064. - * "qcom,i2c-qup-v2.1.1" for 8974 v1. - * "qcom,i2c-qup-v2.2.1" for 8974 v2 and later. - - reg: Should contain QUP register address and length. - - interrupts: Should contain I2C interrupt. - - - clocks: A list of phandles + clock-specifiers, one for each entry in - clock-names. - - clock-names: Should contain: - * "core" for the core clock - * "iface" for the AHB clock - - - #address-cells: Should be <1> Address cells for i2c device address - - #size-cells: Should be <0> as i2c addresses have no size component - -Optional properties: - - clock-frequency: Should specify the desired i2c bus clock frequency in Hz, - defaults to 100kHz if omitted. - -Child nodes should conform to i2c bus binding. - -Example: - - i2c@f9924000 { - compatible = "qcom,i2c-qup-v2.2.1"; - reg = <0xf9924000 0x1000>; - interrupts = <0 96 0>; - - clocks = <&gcc GCC_BLSP1_QUP2_I2C_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>; - clock-names = "core", "iface"; - - clock-frequency = <355000>; - - #address-cells = <1>; - #size-cells = <0>; - }; diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml new file mode 100644 index 000000000000..c5c7db3ac2a6 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/i2c/qcom,i2c-qup.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Universal Peripheral (QUP) I2C controller + +maintainers: + - Andy Gross + - Bjorn Andersson + +description: Binding for Qualcomm "QUP" I2C controllers + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + enum: + - qcom,i2c-qup-v1.1.1 + - qcom,i2c-qup-v2.1.1 + - qcom,i2c-qup-v2.2.1 + + reg: + items: + - description: QUP I2C register iospace + + clocks: + items: + - description: Core QUP I2C clock + - description: AHB clock + + clock-names: + items: + - const: core + - const: iface + + clock-frequency: + minimum: 100000 + maximum: 1000000 + default: 100000 + + dmas: + items: + - description: RX DMA Channel phandle + - description: TX DMA Channel phandle + + dma-names: + items: + - const: rx + - const: tx + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +required: + - compatible + - clocks + - clock-names + - reg + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + i2c@c175000 { + compatible = "qcom,i2c-qup-v2.2.1"; + reg = <0x0c175000 0x600>; + interrupts = ; + clocks = <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>, + <&gcc GCC_BLSP1_AHB_CLK>; + clock-names = "core", "iface"; + clock-frequency = <400000>; + dmas = <&blsp_dma 4>, <&blsp_dma 5>; + dma-names = "rx", "tx"; + #address-cells = <1>; + #size-cells = <0>; + };