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[23.128.96.18]) by mx.google.com with ESMTP id 19si16719740ejz.177.2021.03.03.23.02.36; Wed, 03 Mar 2021 23:02:59 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@eaxlabs.cz header.s=mail header.b=W0CSeYqt; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1837835AbhCBV7d (ORCPT + 99 others); Tue, 2 Mar 2021 16:59:33 -0500 Received: from ms9.eaxlabs.cz ([147.135.177.209]:50510 "EHLO ms9.eaxlabs.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1835348AbhCBTCw (ORCPT ); Tue, 2 Mar 2021 14:02:52 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=eaxlabs.cz; s=mail; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=65e45oHZO+BxFf5UqN9fVtID/K010U91Mz2QcQ/swdo=; b=W0CSeYqtKX1Fo9IiZ2gD/lsrmkNl5mc18rDmr54RX98DO+epfDea2DwP1u8Ik3EoRQvjtTb2uy5nGXqoOg+buliEafOYLrkLFjYbrOgkHUmOkJj63n0UW8I0hDiBZu8HkX4iC0aRyAGna93+b8jpO3SgbXOJfUwhVqM09mFsjag=; Received: from [82.99.129.6] (helo=localhost.localdomain) by ms9.eaxlabs.cz with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1lH4sj-0000g6-Un; Tue, 02 Mar 2021 14:16:12 +0100 From: Martin Devera To: linux-kernel@vger.kernel.org Cc: Martin Devera , Greg Kroah-Hartman , Rob Herring , Maxime Coquelin , Alexandre Torgue , Jiri Slaby , Le Ray , fabrice.gasnier@foss.st.com, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 1/2] dt-bindings: serial: Add rx-tx-swap to stm32-usart Date: Tue, 2 Mar 2021 14:15:57 +0100 Message-Id: <20210302131558.19375-1-devik@eaxlabs.cz> X-Mailer: git-send-email 2.11.0 In-Reply-To: <439a0d7a-cc0e-764b-7ed8-668b5a85f4a7@foss.st.com> References: <439a0d7a-cc0e-764b-7ed8-668b5a85f4a7@foss.st.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add new rx-tx-swap property to allow for RX & TX pin swapping. Signed-off-by: Martin Devera --- .../devicetree/bindings/serial/st,stm32-uart.yaml | 32 +++++++++++++++------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml index 8631678283f9..6eab2debebb5 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml +++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml @@ -9,9 +9,6 @@ maintainers: title: STMicroelectronics STM32 USART bindings -allOf: - - $ref: rs485.yaml - properties: compatible: enum: @@ -40,6 +37,10 @@ properties: uart-has-rtscts: true + rx-tx-swap: + type: boolean + maxItems: 1 + dmas: minItems: 1 maxItems: 2 @@ -66,13 +67,24 @@ properties: linux,rs485-enabled-at-boot-time: true rs485-rx-during-tx: true -if: - required: - - st,hw-flow-ctrl -then: - properties: - cts-gpios: false - rts-gpios: false +allOf: + - $ref: rs485.yaml + - if: + required: + - st,hw-flow-ctrl + then: + properties: + cts-gpios: false + rts-gpios: false + - if: + required: + - rx-tx-swap + then: + properties: + compatible: + enum: + - st,stm32f7-uart + - st,stm32h7-uart required: - compatible -- 2.11.0