From patchwork Wed Nov 2 21:57:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13029040 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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 D6466C4167B for ; Wed, 2 Nov 2022 21:57:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229553AbiKBV5y (ORCPT ); Wed, 2 Nov 2022 17:57:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229637AbiKBV5w (ORCPT ); Wed, 2 Nov 2022 17:57:52 -0400 Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5148B6574; Wed, 2 Nov 2022 14:57:51 -0700 (PDT) Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id E57E98438C; Wed, 2 Nov 2022 22:57:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1667426269; bh=Lqx6hts9OjI3paHi8t4kB2hUAQZNlsQVsGVhVYLo56Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y9zRojoZvoEhRQ315T7LkNxWEJTBnEWQMdF3SfCFpGXd/GYdXJQo4Wrp41lv8FZR8 9aynLdfyi9uH/lzPRQPel+9TTgCqr+Cnon8FccnC2p7yF2E4Ies8+bMTguqTDqKOYV IZ/5XHRok5d1roVXC/ITkNIwXSAUZ9VSKZQdPVRRjRk4GeuiSzUxlYGL835O7QEUad TESyt9EWTZpiAyj12KzQ6KioD0xaU/saLIpXYDwv7XiA3fnjaakGHL+0i6Lr8u3MmP 1ukd8zcMKvNhASp15coYWA3yjq4MvmqogeKEQOC/cxiSo7T7wEJXWcNftuLgCVolBz vPnAO9ToJcQ0w== From: Marek Vasut To: devicetree@vger.kernel.org Cc: linux-pci@vger.kernel.org, Marek Vasut , Fabio Estevam , Lucas Stach , Richard Zhu , Rob Herring , Shawn Guo , linux-arm-kernel@lists.infradead.org, NXP Linux Team Subject: [PATCH 2/3] dt-bindings: imx6q-pcie: Handle various PD configurations Date: Wed, 2 Nov 2022 22:57:28 +0100 Message-Id: <20221102215729.147335-2-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221102215729.147335-1-marex@denx.de> References: <20221102215729.147335-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The i.MX SoCs have various power domain configurations routed into the PCIe IP. MX6SX is the only one which contains 2 domains and also uses power-domain-names. MX6QDL do not use any domains. All the rest uses one domain and does not use power-domain-names anymore. Document all those configurations in the DT binding document. Signed-off-by: Marek Vasut --- Cc: Fabio Estevam Cc: Lucas Stach Cc: Richard Zhu Cc: Rob Herring Cc: Shawn Guo Cc: linux-arm-kernel@lists.infradead.org Cc: NXP Linux Team To: devicetree@vger.kernel.org --- .../bindings/pci/fsl,imx6q-pcie.yaml | 47 ++++++++++++++----- 1 file changed, 34 insertions(+), 13 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index 1cfea8ca72576..fc8d4d7b80b38 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -68,19 +68,6 @@ properties: description: A phandle to an fsl,imx7d-pcie-phy node. Additional required properties for imx7d-pcie and imx8mq-pcie. - power-domains: - items: - - description: The phandle pointing to the DISPLAY domain for - imx6sx-pcie, to PCIE_PHY power domain for imx7d-pcie and - imx8mq-pcie. - - description: The phandle pointing to the PCIE_PHY power domains - for imx6sx-pcie. - - power-domain-names: - items: - - const: pcie - - const: pcie_phy - resets: maxItems: 3 description: Phandles to PCIe-related reset lines exposed by SRC @@ -241,6 +228,40 @@ allOf: - const: pcie_bus - const: pcie_phy + - if: + properties: + compatible: + contains: + const: fsl,imx6sx-pcie + then: + properties: + power-domains: + items: + - description: The phandle pointing to the DISPLAY domain for + imx6sx-pcie, to PCIE_PHY power domain for imx7d-pcie and + imx8mq-pcie. + - description: The phandle pointing to the PCIE_PHY power domains + for imx6sx-pcie. + power-domain-names: + items: + - const: pcie + - const: pcie_phy + else: + if: + not: + properties: + compatible: + contains: + enum: + - fsl,imx6q-pcie + - fsl,imx6qp-pcie + then: + properties: + power-domains: + description: | + The phandle pointing to the DISPLAY domain for imx6sx-pcie, to + PCIE_PHY power domain for imx7d-pcie and imx8mq-pcie. + examples: - | #include