From patchwork Tue Sep 12 14:30:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephan Gerhold X-Patchwork-Id: 722084 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E74ECA0EF1 for ; Tue, 12 Sep 2023 15:00:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235032AbjILPAM (ORCPT ); Tue, 12 Sep 2023 11:00:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236098AbjILPAL (ORCPT ); Tue, 12 Sep 2023 11:00:11 -0400 Received: from mx.kernkonzept.com (serv1.kernkonzept.com [IPv6:2a01:4f8:1c1c:b490::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8028F115 for ; Tue, 12 Sep 2023 08:00:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kernkonzept.com; s=mx1; h=Cc:To:In-Reply-To:References:Message-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:From: Reply-To:Content-ID:Content-Description; bh=rqAqXU+BauAuZhoJ6lkP5DQOkX1bFvCYekVfXB5a7v4=; b=GgHrrHIgtFRan0MheQxCydItfh ekI6z8r3PAlYr1ztBSOqu+VTwuTgU30ollUcc+9On7jCN6lrdTW5t+ufWif2ZMJ8cP6YSTcVoHIsy /KiNRrW5tQm2JWo029WCYDLPBpSXo+Ag3wS+ouooevmNh/CQ47Kdp1YxIaQKjDv9lodJlnrZJOszc K1O9n9nQ38uQTsgi8NcaVIhfE0ow29Yy2nwVqZehpT6rZY3KythGZcAqjjkvtNXnXJD+wWuT9U2Oc VcCmXOgOei5oKnn0NGptbKFMRzjiPeq4+Jxu8rt6v20gYhkcref5r4ORCbXiN0HeeqiRzHMed/dfq 62nNSxxw==; Received: from [10.22.3.24] (helo=serv1.dd1.int.kernkonzept.com) by mx.kernkonzept.com with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) id 1qg4Pj-0034i9-02; Tue, 12 Sep 2023 16:30:51 +0200 From: Stephan Gerhold Date: Tue, 12 Sep 2023 16:30:38 +0200 Subject: [PATCH 3/4] spi: dt-bindings: qup: Document interconnects MIME-Version: 1.0 Message-Id: <20230912-spi-qup-dvfs-v1-3-3e38aa09c2bd@kernkonzept.com> References: <20230912-spi-qup-dvfs-v1-0-3e38aa09c2bd@kernkonzept.com> In-Reply-To: <20230912-spi-qup-dvfs-v1-0-3e38aa09c2bd@kernkonzept.com> To: Mark Brown Cc: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Stephan Gerhold X-Mailer: b4 0.12.3 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org When the SPI QUP controller is used together with a DMA engine it needs to vote for the interconnect path to the DRAM. Otherwise it may be unable to access the memory quickly enough. Signed-off-by: Stephan Gerhold Reviewed-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/spi/qcom,spi-qup.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-qup.yaml b/Documentation/devicetree/bindings/spi/qcom,spi-qup.yaml index 1e498a791406..88be13268962 100644 --- a/Documentation/devicetree/bindings/spi/qcom,spi-qup.yaml +++ b/Documentation/devicetree/bindings/spi/qcom,spi-qup.yaml @@ -44,6 +44,9 @@ properties: - const: tx - const: rx + interconnects: + maxItems: 1 + interrupts: maxItems: 1 @@ -67,6 +70,7 @@ unevaluatedProperties: false examples: - | #include + #include #include #include @@ -84,6 +88,7 @@ examples: dma-names = "tx", "rx"; power-domains = <&rpmpd MSM8996_VDDCX>; operating-points-v2 = <&spi_opp_table>; + interconnects = <&pnoc MASTER_BLSP_1 &bimc SLAVE_EBI_CH0>; #address-cells = <1>; #size-cells = <0>; };