From patchwork Wed Apr 8 13:14:52 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 6179431 Return-Path: X-Original-To: patchwork-dmaengine@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 B143BBF4A6 for ; Wed, 8 Apr 2015 13:17:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AA40C20154 for ; Wed, 8 Apr 2015 13:17:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A960920376 for ; Wed, 8 Apr 2015 13:17:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754197AbbDHNQC (ORCPT ); Wed, 8 Apr 2015 09:16:02 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:33167 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753980AbbDHNP7 (ORCPT ); Wed, 8 Apr 2015 09:15:59 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id t38DFS9R006976; Wed, 8 Apr 2015 08:15:28 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id t38DFQ09014886; Wed, 8 Apr 2015 08:15:26 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.224.2; Wed, 8 Apr 2015 08:15:26 -0500 Received: from dflp33.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id t38DErxT006522; Wed, 8 Apr 2015 08:15:23 -0500 From: Peter Ujfalusi To: , , CC: , , , , , , , , Subject: [PATCH v4 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar Date: Wed, 8 Apr 2015 16:14:52 +0300 Message-ID: <1428498892-28471-9-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.3.5 In-Reply-To: <1428498892-28471-1-git-send-email-peter.ujfalusi@ti.com> References: <1428498892-28471-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 The sDMA requests are routed through the DMA crossbar and without the crossbar only peripherals using DMA request 0-127 can be used. Signed-off-by: Peter Ujfalusi --- arch/arm/boot/dts/dra7.dtsi | 57 ++++++++++++++++++++++++++------------------- 1 file changed, 33 insertions(+), 24 deletions(-) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 5332b57b4950..a2f4aa01984f 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -303,6 +303,15 @@ dma-requests = <127>; }; + sdma_xbar: dma-router@4a002b78 { + compatible = "ti,dra7-dma-crossbar"; + reg = <0x4a002b78 0xfc>; + #dma-cells = <1>; + dma-requests = <205>; + ti,dma-safe-map = <0>; + dma-masters = <&sdma>; + }; + gpio1: gpio@4ae10000 { compatible = "ti,omap4-gpio"; reg = <0x4ae10000 0x200>; @@ -398,7 +407,7 @@ ti,hwmods = "uart1"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 49>, <&sdma 50>; + dmas = <&sdma_xbar 49>, <&sdma_xbar 50>; dma-names = "tx", "rx"; }; @@ -409,7 +418,7 @@ ti,hwmods = "uart2"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 51>, <&sdma 52>; + dmas = <&sdma_xbar 51>, <&sdma_xbar 52>; dma-names = "tx", "rx"; }; @@ -420,7 +429,7 @@ ti,hwmods = "uart3"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 53>, <&sdma 54>; + dmas = <&sdma_xbar 53>, <&sdma_xbar 54>; dma-names = "tx", "rx"; }; @@ -431,7 +440,7 @@ ti,hwmods = "uart4"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 55>, <&sdma 56>; + dmas = <&sdma_xbar 55>, <&sdma_xbar 56>; dma-names = "tx", "rx"; }; @@ -442,7 +451,7 @@ ti,hwmods = "uart5"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 63>, <&sdma 64>; + dmas = <&sdma_xbar 63>, <&sdma_xbar 64>; dma-names = "tx", "rx"; }; @@ -453,7 +462,7 @@ ti,hwmods = "uart6"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 79>, <&sdma 80>; + dmas = <&sdma_xbar 79>, <&sdma_xbar 80>; dma-names = "tx", "rx"; }; @@ -862,7 +871,7 @@ ti,hwmods = "mmc1"; ti,dual-volt; ti,needs-special-reset; - dmas = <&sdma 61>, <&sdma 62>; + dmas = <&sdma_xbar 61>, <&sdma_xbar 62>; dma-names = "tx", "rx"; status = "disabled"; pbias-supply = <&pbias_mmc_reg>; @@ -874,7 +883,7 @@ interrupts = ; ti,hwmods = "mmc2"; ti,needs-special-reset; - dmas = <&sdma 47>, <&sdma 48>; + dmas = <&sdma_xbar 47>, <&sdma_xbar 48>; dma-names = "tx", "rx"; status = "disabled"; }; @@ -885,7 +894,7 @@ interrupts = ; ti,hwmods = "mmc3"; ti,needs-special-reset; - dmas = <&sdma 77>, <&sdma 78>; + dmas = <&sdma_xbar 77>, <&sdma_xbar 78>; dma-names = "tx", "rx"; status = "disabled"; }; @@ -896,7 +905,7 @@ interrupts = ; ti,hwmods = "mmc4"; ti,needs-special-reset; - dmas = <&sdma 57>, <&sdma 58>; + dmas = <&sdma_xbar 57>, <&sdma_xbar 58>; dma-names = "tx", "rx"; status = "disabled"; }; @@ -1041,14 +1050,14 @@ #size-cells = <0>; ti,hwmods = "mcspi1"; ti,spi-num-cs = <4>; - dmas = <&sdma 35>, - <&sdma 36>, - <&sdma 37>, - <&sdma 38>, - <&sdma 39>, - <&sdma 40>, - <&sdma 41>, - <&sdma 42>; + dmas = <&sdma_xbar 35>, + <&sdma_xbar 36>, + <&sdma_xbar 37>, + <&sdma_xbar 38>, + <&sdma_xbar 39>, + <&sdma_xbar 40>, + <&sdma_xbar 41>, + <&sdma_xbar 42>; dma-names = "tx0", "rx0", "tx1", "rx1", "tx2", "rx2", "tx3", "rx3"; status = "disabled"; @@ -1062,10 +1071,10 @@ #size-cells = <0>; ti,hwmods = "mcspi2"; ti,spi-num-cs = <2>; - dmas = <&sdma 43>, - <&sdma 44>, - <&sdma 45>, - <&sdma 46>; + dmas = <&sdma_xbar 43>, + <&sdma_xbar 44>, + <&sdma_xbar 45>, + <&sdma_xbar 46>; dma-names = "tx0", "rx0", "tx1", "rx1"; status = "disabled"; }; @@ -1078,7 +1087,7 @@ #size-cells = <0>; ti,hwmods = "mcspi3"; ti,spi-num-cs = <2>; - dmas = <&sdma 15>, <&sdma 16>; + dmas = <&sdma_xbar 15>, <&sdma_xbar 16>; dma-names = "tx0", "rx0"; status = "disabled"; }; @@ -1091,7 +1100,7 @@ #size-cells = <0>; ti,hwmods = "mcspi4"; ti,spi-num-cs = <1>; - dmas = <&sdma 70>, <&sdma 71>; + dmas = <&sdma_xbar 70>, <&sdma_xbar 71>; dma-names = "tx0", "rx0"; status = "disabled"; };