From patchwork Mon Jan 6 11:01:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Faiz Abbas X-Patchwork-Id: 11319085 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 69A1414B4 for ; Mon, 6 Jan 2020 11:00:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 46ECB20848 for ; Mon, 6 Jan 2020 11:00:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="m+Oym2BZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726494AbgAFLA2 (ORCPT ); Mon, 6 Jan 2020 06:00:28 -0500 Received: from lelv0142.ext.ti.com ([198.47.23.249]:57948 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726173AbgAFLA2 (ORCPT ); Mon, 6 Jan 2020 06:00:28 -0500 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 006B0GgX122763; Mon, 6 Jan 2020 05:00:16 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1578308416; bh=lxlHAeQb+Egn9A8TXfftZQl2W1CKFKU6Y+sq3Oy1S30=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=m+Oym2BZid1akuq0uN0DYUbr1Hz4T/G+sGY2cukFU87Aw5Hp6wBGlM/r6terXw/Bz 1C2S7Y+M8Q5j3CrSejUpyLcgibIO+k4F3ghCVIi2X16Lnr32zj7M5lEJogozW2YABC 1AWHdo1rHVakMGxZpboFfkfBZGqeHSZxpBytS1rw= Received: from DLEE105.ent.ti.com (dlee105.ent.ti.com [157.170.170.35]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 006B0Gxw096936; Mon, 6 Jan 2020 05:00:16 -0600 Received: from DLEE106.ent.ti.com (157.170.170.36) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Mon, 6 Jan 2020 05:00:15 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE106.ent.ti.com (157.170.170.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Mon, 6 Jan 2020 05:00:15 -0600 Received: from a0230074-OptiPlex-7010.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 006B00Jq007044; Mon, 6 Jan 2020 05:00:08 -0600 From: Faiz Abbas To: , , , CC: , , , , , , Subject: [PATCH v4 01/11] dt-bindings: sdhci-omap: Add properties for using external dma Date: Mon, 6 Jan 2020 16:31:23 +0530 Message-ID: <20200106110133.13791-2-faiz_abbas@ti.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20200106110133.13791-1-faiz_abbas@ti.com> References: <20200106110133.13791-1-faiz_abbas@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Chunyan Zhang sdhci-omap can support both external dma controller via dmaengine framework as well as ADMA which standard SD host controller provides. Add binding documentation for these external dma properties. Signed-off-by: Chunyan Zhang Signed-off-by: Faiz Abbas Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/mmc/sdhci-omap.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/sdhci-omap.txt b/Documentation/devicetree/bindings/mmc/sdhci-omap.txt index 72c4dec7e1db..97efb01617dd 100644 --- a/Documentation/devicetree/bindings/mmc/sdhci-omap.txt +++ b/Documentation/devicetree/bindings/mmc/sdhci-omap.txt @@ -15,6 +15,13 @@ Required properties: "hs200_1_8v", - pinctrl- : Pinctrl states as described in bindings/pinctrl/pinctrl-bindings.txt +Optional properties: +- dmas: List of DMA specifiers with the controller specific format as described + in the generic DMA client binding. A tx and rx specifier is required. +- dma-names: List of DMA request names. These strings correspond 1:1 with the + DMA specifiers listed in dmas. The string naming is to be "tx" + and "rx" for TX and RX DMA requests, respectively. + Example: mmc1: mmc@4809c000 { compatible = "ti,dra7-sdhci"; @@ -22,4 +29,6 @@ Example: ti,hwmods = "mmc1"; bus-width = <4>; vmmc-supply = <&vmmc>; /* phandle to regulator node */ + dmas = <&sdma 61 &sdma 62>; + dma-names = "tx", "rx"; };