From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754020AbbCLLQv (ORCPT ); Thu, 12 Mar 2015 07:16:51 -0400 Received: from denmail01-v4020.amcc.com ([192.195.68.30]:60919 "EHLO denmail01.apm.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753356AbbCLLQp (ORCPT ); Thu, 12 Mar 2015 07:16:45 -0400 From: Rameshwar Prasad Sahu To: vinod.koul@intel.com, dan.j.williams@intel.com Cc: dmaengine@vger.kernel.org, arnd@arndb.de, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, ddutile@redhat.com, jcm@redhat.com, patches@apm.com, Rameshwar Prasad Sahu , Loc Ho Subject: [PATCH v7 2/3] arm64: dts: Add APM X-Gene DMA device and DMA clock DTS nodes Date: Thu, 12 Mar 2015 16:45:20 +0530 Message-Id: <1426158921-8987-3-git-send-email-rsahu@apm.com> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1426158921-8987-1-git-send-email-rsahu@apm.com> References: <1426158921-8987-1-git-send-email-rsahu@apm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the device tree node for APM X-Gene SoC DMA controller and DMA clock. Signed-off-by: Rameshwar Prasad Sahu Signed-off-by: Loc Ho --- arch/arm64/boot/dts/apm/apm-storm.dtsi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index f1ad9c2..9471770 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -102,6 +102,7 @@ #address-cells = <2>; #size-cells = <2>; ranges; + dma-ranges = <0x0 0x0 0x0 0x0 0x400 0x0>; clocks { #address-cells = <2>; @@ -352,6 +353,15 @@ reg-names = "csr-reg"; clock-output-names = "pcie4clk"; }; + + dmaclk: dmaclk@1f27c000 { + compatible = "apm,xgene-device-clock"; + #clock-cells = <1>; + clocks = <&socplldiv2 0>; + reg = <0x0 0x1f27c000 0x0 0x1000>; + reg-names = "csr-reg"; + clock-output-names = "dmaclk"; + }; }; pcie0: pcie@1f2b0000 { @@ -656,5 +666,21 @@ interrupts = <0x0 0x41 0x4>; clocks = <&rngpkaclk 0>; }; + + dma: dma@1f270000 { + compatible = "apm,xgene-storm-dma"; + device_type = "dma"; + reg = <0x0 0x1f270000 0x0 0x10000>, + <0x0 0x1f200000 0x0 0x10000>, + <0x0 0x1b008000 0x0 0x2000>, + <0x0 0x1054a000 0x0 0x100>; + interrupts = <0x0 0x82 0x4>, + <0x0 0xb8 0x4>, + <0x0 0xb9 0x4>, + <0x0 0xba 0x4>, + <0x0 0xbb 0x4>; + dma-coherent; + clocks = <&dmaclk 0>; + }; }; }; -- 1.8.2.1