From patchwork Tue Jan 17 14:02:23 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mylene JOSSERAND X-Patchwork-Id: 9521065 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6E16160244 for ; Tue, 17 Jan 2017 14:05:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 55B0528569 for ; Tue, 17 Jan 2017 14:05:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4AA512856B; Tue, 17 Jan 2017 14:05:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F0C1D28569 for ; Tue, 17 Jan 2017 14:05:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750863AbdAQOFD (ORCPT ); Tue, 17 Jan 2017 09:05:03 -0500 Received: from mail.free-electrons.com ([62.4.15.54]:54314 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750787AbdAQOFC (ORCPT ); Tue, 17 Jan 2017 09:05:02 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id 76ACF20BB1; Tue, 17 Jan 2017 15:04:48 +0100 (CET) Received: from dell-desktop.home (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 0F7FA20B9B; Tue, 17 Jan 2017 15:04:48 +0100 (CET) From: =?UTF-8?q?Myl=C3=A8ne=20Josserand?= To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, maxime.ripard@free-electrons.com, wens@csie.org, mturquette@baylibre.com, sboyd@codeaurora.org, mark.rutland@arm.com, robh+dt@kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-sunxi@googlegroups.com, thomas.petazzoni@free-electrons.com, mylene.josserand@free-electrons.com, alexandre.belloni@free-electrons.com Subject: [PATCH v2 03/10] dt-bindings: sound: Add new reset compatible for sun4i-i2s Date: Tue, 17 Jan 2017 15:02:23 +0100 Message-Id: <20170117140230.23142-4-mylene.josserand@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170117140230.23142-1-mylene.josserand@free-electrons.com> References: <20170117140230.23142-1-mylene.josserand@free-electrons.com> MIME-Version: 1.0 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add a new compatible for sun4i-i2s driver to handle some SoCs that have a reset line that must be asserted/deasserted. This new compatible, "allwinner,sun6i-a31-i2s", requires two properties: - resets: phandle to the reset line - reset-names: the name of the reset line ("rst"). Except these differences, the compatible is identical to previous one which will not handle a reset line. Signed-off-by: Mylène Josserand --- .../devicetree/bindings/sound/sun4i-i2s.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt index 7a2c0945fd22..f673206e309b 100644 --- a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt +++ b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt @@ -7,6 +7,7 @@ Required properties: - compatible: should be one of the following: - "allwinner,sun4i-a10-i2s" + - "allwinner,sun6i-a31-i2s" for controller with reset lines - reg: physical base address of the controller and length of memory mapped region. - interrupts: should contain the I2S interrupt. @@ -19,7 +20,13 @@ Required properties: - "mod" : module clock for the I2S controller - #sound-dai-cells : Must be equal to 0 +Required properties for the following compatibles: + - "allwinner,sun6i-a31-i2s" +- resets: phandle to the reset line for this codec +- reset-names: Contains the reset signal name "rst" + Example: +For "allwinner,sun4i-a10-i2s": i2s0: i2s@01c22400 { #sound-dai-cells = <0>; @@ -32,3 +39,19 @@ i2s0: i2s@01c22400 { <&dma SUN4I_DMA_NORMAL 3>; dma-names = "rx", "tx"; }; + +For "allwinner,sun6i-a31-i2s": + +dai: dai@01c22c00 { + #sound-dai-cells = <0>; + compatible = "allwinner,sun6i-a31-i2s"; + reg = <0x01c22c00 0x200>; + interrupts = ; + clocks = <&ccu CLK_BUS_CODEC>, <&ccu CLK_AC_DIG>; + clock-names = "apb", "mod"; + resets = <&ccu RST_BUS_CODEC>; + reset-names = "rst"; + dmas = <&dma 15>, /* AUDIO_CODEC port */ + <&dma 15>; /* AUDIO_CODEC port */ + dma-names = "rx", "tx"; +};