From patchwork Wed Mar 15 11:47:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 663965 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 76376C7618A for ; Wed, 15 Mar 2023 11:48:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231686AbjCOLsZ (ORCPT ); Wed, 15 Mar 2023 07:48:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54280 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231600AbjCOLsV (ORCPT ); Wed, 15 Mar 2023 07:48:21 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D77DC55505; Wed, 15 Mar 2023 04:48:19 -0700 (PDT) Received: from localhost (unknown [188.24.156.231]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by madras.collabora.co.uk (Postfix) with ESMTPSA id 57B026603058; Wed, 15 Mar 2023 11:48:18 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1678880898; bh=C+CkBCBIxEIFOAjzgyNm1268qn0Q1m0JZg82+SgLbSc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=X58SfGRMKG9NMnROtcQIsHKPqTiN3hEwxxvjMK1CBZAuNkvJZzsUYX46U7ZK9w6S6 dF4cWgtlSfBpB8jUa/4djaWG13TVCtFcT45OS/83t3Yw6fakhmegMNTgKGABCsilX/ wHS2lvwEUTbpSNOotY3XW9z1pVo7f5vlTrQWiLpSupOFiyAOoNrA8OYMPLMmr5TPyN JcBcMmqRoAFaPZMBUMUwP7t2IyoYiSr8EtaBYoSFn2xK3I5BULLPfOYbfOu6Wk2QXq wcRNhblusYn5BaeQW5QYIAVEuJsdJVOaqvBKDSUpfN1l8nBSghvjXURdUp51ZFH4+v PCS7fq1RtkfSA== From: Cristian Ciocaltea To: Sudeep Holla , Cristian Marussi , Rob Herring , Krzysztof Kozlowski , Greg Kroah-Hartman , Liam Girdwood , Mark Brown , Nicolas Frattaroli , Heiko Stuebner , Jaroslav Kysela , Takashi Iwai , Paul Walmsley , Palmer Dabbelt , Albert Ou , Daniel Drake , Katsuhiro Suzuki Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, alsa-devel@alsa-project.org, linux-rockchip@lists.infradead.org, linux-riscv@lists.infradead.org, kernel@collabora.com Subject: [PATCH 02/11] dt-bindings: serial: snps-dw-apb-uart: Relax dma-names order constraint Date: Wed, 15 Mar 2023 13:47:57 +0200 Message-Id: <20230315114806.3819515-3-cristian.ciocaltea@collabora.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230315114806.3819515-1-cristian.ciocaltea@collabora.com> References: <20230315114806.3819515-1-cristian.ciocaltea@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org Commit 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma & dma-names properties") documented dma-names property to handle Allwiner D1 dtbs_check warnings, but relies on a strict rx->tx ordering, which is the reverse of what a different board expects: rk3326-odroid-go2.dtb: serial@ff030000: dma-names:0: 'rx' was expected A quick and incomplete check shows the inconsistency is present in many other DT files: $ git grep -A10 snps,dw-apb-uart | grep dma-names | sort -u arch/arm64/boot/dts/rockchip/px30.dtsi- dma-names = "tx", "rx"; arch/arm64/boot/dts/rockchip/rk3328.dtsi- dma-names = "tx", "rx"; arch/arm64/boot/dts/rockchip/rk3588s.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/rk3066a.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/rk3128.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/rk3288.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/rv1126.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/socfpga.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/sun6i-a31.dtsi- dma-names = "rx", "tx"; arch/arm/boot/dts/sun8i-a23-a33.dtsi- dma-names = "rx", "tx"; arch/arm/boot/dts/sun8i-v3s.dtsi- dma-names = "rx", "tx"; arch/arm/boot/dts/sunxi-h3-h5.dtsi- dma-names = "rx", "tx"; arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dma-names = "rx", "tx"; Do not enforce the order of the dma-names items. Signed-off-by: Cristian Ciocaltea --- .../devicetree/bindings/serial/snps-dw-apb-uart.yaml | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml index 2becdfab4f15..d374844a61a5 100644 --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml @@ -71,9 +71,13 @@ properties: minItems: 2 dma-names: - items: - - const: rx - - const: tx + oneOf: + - items: + - const: tx + - const: rx + - items: + - const: rx + - const: tx snps,uart-16550-compatible: description: reflects the value of UART_16550_COMPATIBLE configuration