From patchwork Mon Mar 20 08:57:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 9633257 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 9274F60327 for ; Mon, 20 Mar 2017 09:00:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 820B028178 for ; Mon, 20 Mar 2017 09:00:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 76B6C28415; Mon, 20 Mar 2017 09:00:51 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham 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 1D5FB28405 for ; Mon, 20 Mar 2017 09:00:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753339AbdCTJAv (ORCPT ); Mon, 20 Mar 2017 05:00:51 -0400 Received: from kirsty.vergenet.net ([202.4.237.240]:36673 "EHLO kirsty.vergenet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753432AbdCTJAK (ORCPT ); Mon, 20 Mar 2017 05:00:10 -0400 Received: from penelope.horms.nl (unknown [217.111.208.18]) by kirsty.vergenet.net (Postfix) with ESMTPSA id D930D25BF1B; Mon, 20 Mar 2017 19:58:23 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=verge.net.au; s=mail; t=1490000304; bh=acP5dmSnqfN/jThDLqPTt5WZJzKTu3otagrRkj4CHw0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HDH/Q/08oDJyw0L9vcbGUuElAhnsMFnRyXcWzZyeYJr6oYeineBATkUae5mjzbLuD 8TZNpR0aRsKyu0RnmG/61UNfnangEf/RUAx4GUeOLeWWhclQr3Hj/gYqB0Svb2mmFb uR7RIAcB89GHcafuZDe04O7aTUQgGlI1Rx6ar0aM= Received: by penelope.horms.nl (Postfix, from userid 7100) id 1E78763603; Mon, 20 Mar 2017 09:58:12 +0100 (CET) From: Simon Horman To: linux-renesas-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Magnus Damm , Kuninori Morimoto , Simon Horman Subject: [PATCH 20/31] ARM: dts: r8a7791: Tidyup Audio-DMAC channel for DVC Date: Mon, 20 Mar 2017 09:57:59 +0100 Message-Id: X-Mailer: git-send-email 2.7.0.rc3.207.g0ac5344 In-Reply-To: References: Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kuninori Morimoto Current Audio-DMAC is assigned "rx" as Audio-DMAC0, "tx" as Audio-DMAC1. Thus, DVC "tx" should be assigned as Audio-DMAC1, instead of Audio-DMAC0. Because of this, current platform board (using SRC/DVC/SSI) Playback/Capture both will use same Audio-DMAC0 (but it depends on audio data path). First note is that this "rx" and "tx" are from each IP point, it doesn't mean Playback/Capture. Second note is that Audio DMAC assigned on DT is only for Audio-DMAC, Audio-DMAC-peri-peri has no entry. => Audio-DMAC -> Audio-DMAC-peri-peri -- HW connection Playback case [Mem] => [SRC]--[DVC] -> [SSI]--[Codec] rx ~~~~~~~~~~~~ Capture [Mem] <= [DVC]--[SRC] <- [SSI]--[Codec] tx ~~~~~~~~~~~~ Signed-off-by: Kuninori Morimoto Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7791.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi index 525377df16ee..b319ef4d57b0 100644 --- a/arch/arm/boot/dts/r8a7791.dtsi +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -1779,11 +1779,11 @@ rcar_sound,dvc { dvc0: dvc-0 { - dmas = <&audma0 0xbc>; + dmas = <&audma1 0xbc>; dma-names = "tx"; }; dvc1: dvc-1 { - dmas = <&audma0 0xbe>; + dmas = <&audma1 0xbe>; dma-names = "tx"; }; };