From patchwork Sun Apr 26 18:58:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 214070 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 027C8C54FCB for ; Sun, 26 Apr 2020 18:59:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D99C22071C for ; Sun, 26 Apr 2020 18:59:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=crapouillou.net header.i=@crapouillou.net header.b="odiYDHWn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726448AbgDZS7u (ORCPT ); Sun, 26 Apr 2020 14:59:50 -0400 Received: from outils.crapouillou.net ([89.234.176.41]:59010 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726004AbgDZS7u (ORCPT ); Sun, 26 Apr 2020 14:59:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1587927551; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4g9D4y5gDtWMMffSqwXa5g3+cluAqfYCl9HnWWe2i54=; b=odiYDHWnFPVSxmcMC8qtWCwc2Zt9LEnWgvXRbcr3KT6IdjyQbI2tDd5ZyS++f2DvZgh+bn 1OeHDLyfoPZTnxbZjK6DPB/95K61//aVz/92NgXI3Zl1a9HtrYDHI9gFnUgmjeZbBcrdwk iVhkBOZU1Qvoew2RkpkAI7LWAavNOHs= From: Paul Cercueil To: Rob Herring Cc: od@zcrc.me, =?utf-8?b?5ZGo55Cw5p2w?= , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-i2c@vger.kernel.org, linux-mtd@lists.infradead.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-mips@vger.kernel.org, Paul Cercueil Subject: [PATCH 6/8] dt-bindings: i2c: Convert i2c-jz4780.txt to YAML Date: Sun, 26 Apr 2020 20:58:54 +0200 Message-Id: <20200426185856.38826-6-paul@crapouillou.net> In-Reply-To: <20200426185856.38826-1-paul@crapouillou.net> References: <20200426185856.38826-1-paul@crapouillou.net> MIME-Version: 1.0 Sender: linux-serial-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org Convert the i2c-jz4780.txt file to ingenic,i2c.yaml. Two things were changed in the process: - the clock-frequency property can now only be set to the two values that can be set by the hardware; - the dmas and dma-names properties are now required. Signed-off-by: Paul Cercueil --- .../devicetree/bindings/i2c/i2c-jz4780.txt | 33 -------- .../devicetree/bindings/i2c/ingenic,i2c.yaml | 83 +++++++++++++++++++ 2 files changed, 83 insertions(+), 33 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-jz4780.txt create mode 100644 Documentation/devicetree/bindings/i2c/ingenic,i2c.yaml diff --git a/Documentation/devicetree/bindings/i2c/i2c-jz4780.txt b/Documentation/devicetree/bindings/i2c/i2c-jz4780.txt deleted file mode 100644 index d229eff5ca1b..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-jz4780.txt +++ /dev/null @@ -1,33 +0,0 @@ -* Ingenic JZ4780 I2C Bus controller - -Required properties: -- compatible: should be one of the following: - - "ingenic,jz4780-i2c" for the JZ4780 - - "ingenic,x1000-i2c" for the X1000 -- reg: Should contain the address & size of the I2C controller registers. -- interrupts: Should specify the interrupt provided by parent. -- clocks: Should contain a single clock specifier for the JZ4780 I2C clock. -- clock-frequency: desired I2C bus clock frequency in Hz. - -Recommended properties: -- pinctrl-names: should be "default"; -- pinctrl-0: phandle to pinctrl function - -Example - -/ { - i2c4: i2c4@10054000 { - compatible = "ingenic,jz4780-i2c"; - reg = <0x10054000 0x1000>; - - interrupt-parent = <&intc>; - interrupts = <56>; - - clocks = <&cgu JZ4780_CLK_SMB4>; - clock-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pins_i2c4_data>; - - }; -}; - diff --git a/Documentation/devicetree/bindings/i2c/ingenic,i2c.yaml b/Documentation/devicetree/bindings/i2c/ingenic,i2c.yaml new file mode 100644 index 000000000000..4759b9a3eb18 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/ingenic,i2c.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/ingenic,i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ingenic SoCs I2C controller devicetree bindings + +maintainers: + - Paul Cercueil + +properties: + $nodename: + pattern: "^i2c@[0-9a-f]+$" + + compatible: + enum: + - ingenic,jz4780-i2c + - ingenic,x1000-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-frequency: + enum: [ 100000, 400000 ] + + dmas: + items: + - description: DMA controller phandle and request line for RX + - description: DMA controller phandle and request line for TX + + dma-names: + items: + - const: rx + - const: tx + +required: + - compatible + - reg + - interrupts + - clocks + - clock-frequency + - dmas + - dma-names + +examples: + - | + #include + #include + #include + i2c@10054000 { + compatible = "ingenic,jz4780-i2c"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x10054000 0x1000>; + + interrupt-parent = <&intc>; + interrupts = <56>; + + clocks = <&cgu JZ4780_CLK_SMB4>; + pinctrl-names = "default"; + pinctrl-0 = <&pins_i2c4_data>; + + dmas = <&dma JZ4780_DMA_SMB4_RX 0xffffffff>, + <&dma JZ4780_DMA_SMB4_TX 0xffffffff>; + dma-names = "rx", "tx"; + + clock-frequency = <400000>; + + rtc@51 { + compatible = "nxp,pcf8563"; + reg = <0x51>; + + interrupt-parent = <&gpf>; + interrupts = <30 IRQ_TYPE_LEVEL_LOW>; + }; + };