From patchwork Fri Aug 7 11:44:11 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sjoerd Simons X-Patchwork-Id: 6968341 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 3AE72C05AC for ; Fri, 7 Aug 2015 11:47:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 616A42052D for ; Fri, 7 Aug 2015 11:47:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7D97F205DF for ; Fri, 7 Aug 2015 11:47:36 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZNg5i-0003lA-Da; Fri, 07 Aug 2015 11:45:38 +0000 Received: from bhuna.collabora.co.uk ([93.93.135.160]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZNg58-0002Kj-Cv; Fri, 07 Aug 2015 11:45:04 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: sjoerd) with ESMTPSA id D0437600ED3 Received: by dusk.luon.net (Postfix, from userid 1000) id AF034251EF; Fri, 7 Aug 2015 13:44:14 +0200 (CEST) From: Sjoerd Simons To: linux-rockchip@lists.infradead.org Subject: [PATCH v3 1/4] ASoC: dt-bindings: add rockchip tranceiver bindings Date: Fri, 7 Aug 2015 13:44:11 +0200 Message-Id: <1438947854-3743-2-git-send-email-sjoerd.simons@collabora.co.uk> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1438947854-3743-1-git-send-email-sjoerd.simons@collabora.co.uk> References: <1438947854-3743-1-git-send-email-sjoerd.simons@collabora.co.uk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150807_044502_685550_23C91FE5 X-CRM114-Status: GOOD ( 11.76 ) X-Spam-Score: -2.7 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Russell King , Heiko Stuebner , Pawel Moll , Ian Campbell , Liam Girdwood , Takashi Iwai , linux-kernel@vger.kernel.org, Rob Herring , Jaroslav Kysela , Sjoerd Simons , Mark Brown , Kumar Gala , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add devicetree bindings for the spdif tranceiver found on found on rk3066, rk3188 and rk3288 SoCs Signed-off-by: Sjoerd Simons --- Changes in v3: None Changes in v2: None .../devicetree/bindings/sound/rockchip-spdif.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rockchip-spdif.txt diff --git a/Documentation/devicetree/bindings/sound/rockchip-spdif.txt b/Documentation/devicetree/bindings/sound/rockchip-spdif.txt new file mode 100644 index 0000000..2da8a09 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip-spdif.txt @@ -0,0 +1,41 @@ +* Rockchip SPDIF transceiver + +The S/PDIF audio block is a stereo transceiver that allows the +processor to receive and transmit digital audio via an coaxial cable or +a fibre cable. + +Required properties: + +- compatible: should be one of the following: + - "rockchip,rk3066-spdif": for rk3066 + - "rockchip,rk3188-spdif", "rockchip,rk3066-spdif": for rk3188 + - "rockchip,rk3288-spdif", "rockchip,rk3066-spdif": for rk3288 +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: should contain the SPDIF interrupt. +- #address-cells: should be 1. +- #size-cells: should be 0. +- dmas: DMA specifiers for tx dma. See the DMA client binding, + Documentation/devicetree/bindings/dma/dma.txt +- dma-names: should be "tx" +- clocks: a list of phandle + clock-specifier pairs, one for each entry + in clock-names. +- clock-names: should contain following: + - "spdif_hclk": clock for SPPIF controller + - "spdif_clk" : clock for SPDIF bus + +Example for the rk3188 SPDIF controller: + +spdif: spdif@0x1011e000 { + compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif"; + reg = <0x1011e000 0x2000>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + dmas = <&dmac1_s 8>; + dma-names = "tx"; + clock-names = "spdif_hclk", "spdif_clk"; + clocks = <&cru HCLK_SPDIF>, <&cru SCLK_SPDIF>; + status = "disabled"; + #sound-dai-cells = <0>; +};