From patchwork Fri Feb 21 02:55:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 1241765 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@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=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nifty.com header.i=@nifty.com header.a=rsa-sha256 header.s=dec2015msa header.b=D2m8R7VO; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48NxHH0jHhz9sRk for ; Fri, 21 Feb 2020 14:08:26 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729268AbgBUDIZ (ORCPT ); Thu, 20 Feb 2020 22:08:25 -0500 Received: from condef-10.nifty.com ([202.248.20.75]:45496 "EHLO condef-10.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727488AbgBUDIZ (ORCPT ); Thu, 20 Feb 2020 22:08:25 -0500 X-Greylist: delayed 560 seconds by postgrey-1.27 at vger.kernel.org; Thu, 20 Feb 2020 22:08:23 EST Received: from conuserg-12.nifty.com ([10.126.8.75])by condef-10.nifty.com with ESMTP id 01L2uGGl005943 for ; Fri, 21 Feb 2020 11:56:16 +0900 Received: from localhost.localdomain (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-12.nifty.com with ESMTP id 01L2tdO7023920; Fri, 21 Feb 2020 11:55:40 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-12.nifty.com 01L2tdO7023920 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1582253741; bh=Wm9EZBLQ6fa2VaFPNXP/gUS5cdwkPG2Nxsj1pxgGwCg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D2m8R7VOUNi1oB2rHGL6R82/XRsEFsNwTSUHNZH54JCt2yk4yEIzM8PK24keQet1a HwvIdoxtjRZ/s3sSquWvW8HITHAk/H4Nnz+VOE2HwSPlDsvcvZbUo2eYaXumWzd+2q NQiVc1av5hrXDBif1esdeDxNeLxEZhu1LBwbIL33Le79Fy9Buip8Yw9caIhJBHLae6 newctF6gkRPR1iDaAr/8dnpMQ0eo3sSOsCd00dxq7mxs4KxlCWQm8X87zdTne/9Tyb G0FerbpMIkeSU1fuZKJSu4xD9PmZ+XuLrzD2IL1Lyj2ubPtpoo4n4hpOgnjEfcrUhV cgRKy5GWBgrlg== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: devicetree@vger.kernel.org, Rob Herring Cc: Frank Rowand , Masahiro Yamada , Mark Rutland , linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] dt-bindings: i2c: Convert UniPhier FI2C controller to json-schema Date: Fri, 21 Feb 2020 11:55:34 +0900 Message-Id: <20200221025535.30311-2-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200221025535.30311-1-yamada.masahiro@socionext.com> References: <20200221025535.30311-1-yamada.masahiro@socionext.com> Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Convert the UniPhier FIFO-builtin I2C (a.k.a. FIFO) controller binding to DT schema format. There are two types of I2C controllers used on the UniPhier platform. This is the new one with FIFO support, which is used on the Pro4 SoC or newer. Signed-off-by: Masahiro Yamada --- .../bindings/i2c/i2c-uniphier-f.txt | 25 ---------- .../bindings/i2c/socionext,uniphier-fi2c.yaml | 50 +++++++++++++++++++ 2 files changed, 50 insertions(+), 25 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-uniphier-f.txt create mode 100644 Documentation/devicetree/bindings/i2c/socionext,uniphier-fi2c.yaml diff --git a/Documentation/devicetree/bindings/i2c/i2c-uniphier-f.txt b/Documentation/devicetree/bindings/i2c/i2c-uniphier-f.txt deleted file mode 100644 index 27fc6f8c798b..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-uniphier-f.txt +++ /dev/null @@ -1,25 +0,0 @@ -UniPhier I2C controller (FIFO-builtin) - -Required properties: -- compatible: should be "socionext,uniphier-fi2c". -- #address-cells: should be 1. -- #size-cells: should be 0. -- reg: offset and length of the register set for the device. -- interrupts: a single interrupt specifier. -- clocks: phandle to the input clock. - -Optional properties: -- clock-frequency: desired I2C bus frequency in Hz. The maximum supported - value is 400000. Defaults to 100000 if not specified. - -Examples: - - i2c0: i2c@58780000 { - compatible = "socionext,uniphier-fi2c"; - reg = <0x58780000 0x80>; - #address-cells = <1>; - #size-cells = <0>; - interrupts = <0 41 4>; - clocks = <&i2c_clk>; - clock-frequency = <100000>; - }; diff --git a/Documentation/devicetree/bindings/i2c/socionext,uniphier-fi2c.yaml b/Documentation/devicetree/bindings/i2c/socionext,uniphier-fi2c.yaml new file mode 100644 index 000000000000..15abc022968e --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/socionext,uniphier-fi2c.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/socionext,uniphier-fi2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: UniPhier I2C controller (FIFO-builtin) + +maintainers: + - Masahiro Yamada + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + const: socionext,uniphier-fi2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-frequency: + minimum: 100000 + maximum: 400000 + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - interrupts + - clocks + +examples: + - | + i2c0: i2c@58780000 { + compatible = "socionext,uniphier-fi2c"; + reg = <0x58780000 0x80>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = <0 41 4>; + clocks = <&i2c_clk>; + clock-frequency = <100000>; + };