From patchwork Sun Nov 6 22:25:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 622118 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 A0532C4332F for ; Sun, 6 Nov 2022 22:25:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230112AbiKFWZt (ORCPT ); Sun, 6 Nov 2022 17:25:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54234 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230137AbiKFWZr (ORCPT ); Sun, 6 Nov 2022 17:25:47 -0500 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 6D4A4FAE6 for ; Sun, 6 Nov 2022 14:25:45 -0800 (PST) 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 7609184576; Sun, 6 Nov 2022 23:25:42 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1667773543; bh=Qf7Wpy7mcQmFNB1qxVFd1OuH0ex9tOqpQ8RTnF6DU1Q=; h=From:To:Cc:Subject:Date:From; b=y56ortILIhoVhdvsJ37YM00tXjnoLcp0tijpT9NkbtwU/Izj8K74FO+7msGoDzR8t 5aECHyyZOv+GIg0Xgph2sYGYjADFxTAEoHNJ+bSX2ZzeGhrR2O44lmuzrjmA4cvX/n rrqQzJafaooEw6HURb3eYOw2JKCr4rSIhtC4SoMa8nEhSjAd4xS4Yva+ZWVoSzJIKg EgdKm2Y9g03nDnpKrDYnww7NTLDnvxWQ+cgSoZX9B0rXSCMJF5bW3RaEwJZQwDjlLc Q4NDBObvLu2nNRCtDPsMaI9/DIZi+0AMSUgCMD6YhRgvC5HornkEtBBHR+ng64tnEP ZmaDLAoH3sKwQ== From: Marek Vasut To: devicetree@vger.kernel.org Cc: Marek Vasut , Alexander Stein , Fabio Estevam , Krzysztof Kozlowski , Lucas Stach , Richard Zhu , Rob Herring , Shawn Guo , linux-arm-kernel@lists.infradead.org, NXP Linux Team Subject: [PATCH v4 1/3] dt-bindings: imx6q-pcie: Handle various clock configurations Date: Sun, 6 Nov 2022 23:25:22 +0100 Message-Id: <20221106222524.223188-1-marex@denx.de> X-Mailer: git-send-email 2.35.1 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: devicetree@vger.kernel.org The i.MX SoCs have various clock configurations routed into the PCIe IP, the list of clock is below. Document all those configurations in the DT binding document. All SoCs: pcie, pcie_bus 6QDL, 7D: + pcie_phy 6SX: + pcie_phy pcie_inbound_axi 8MQ: + pcie_phy pcie_aux 8MM, 8MP: + pcie_aux Acked-by: Alexander Stein Signed-off-by: Marek Vasut --- Cc: Fabio Estevam Cc: Krzysztof Kozlowski 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 --- V2: - Add AB from Alex V3: - Duplicate clock-names maxItems to mx6sx and mx8mq compatibles - Flatten the if-else structure - The validation no longer works and introduces errors like these: arch/arm64/boot/dts/freescale/imx8mm-verdin-wifi-dahlia.dtb: pcie@33800000: clock-names:2: 'pcie_phy' was expected V4: - Reinstate minItems: for clock-names in main section, turn the last two clock-names items into enums to cover all IP variants. - Add another allOf entry for mx6q/mx6qp/mx7d clock-names list. - Adjust clock maxItems in the allOf section. --- .../bindings/pci/fsl,imx6q-pcie.yaml | 73 +++++++++++++++++-- 1 file changed, 68 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index 376e739bcad40..2df73be0ffbea 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -14,9 +14,6 @@ description: |+ This PCIe host controller is based on the Synopsys DesignWare PCIe IP and thus inherits all the common properties defined in snps,dw-pcie.yaml. -allOf: - - $ref: /schemas/pci/snps,dw-pcie.yaml# - properties: compatible: enum: @@ -60,8 +57,8 @@ properties: items: - const: pcie - const: pcie_bus - - const: pcie_phy - - const: pcie_inbound_axi for imx6sx-pcie, pcie_aux for imx8mq-pcie + - enum: [ pcie_phy, pcie_aux ] + - enum: [ pcie_aux, pcie_inbound_axi ] num-lanes: const: 1 @@ -177,6 +174,72 @@ required: unevaluatedProperties: false +allOf: + - $ref: /schemas/pci/snps,dw-pcie.yaml# + + - if: + properties: + compatible: + contains: + enum: + - fsl,imx6q-pcie + - fsl,imx6qp-pcie + - fsl,imx7d-pcie + then: + properties: + clocks: + maxItems: 3 + clock-names: + items: + - const: pcie + - const: pcie_bus + - const: pcie_phy + + - if: + properties: + compatible: + contains: + const: fsl,imx6sx-pcie + then: + properties: + clock-names: + items: + - const: pcie + - const: pcie_bus + - const: pcie_phy + - const: pcie_inbound_axi + + - if: + properties: + compatible: + contains: + const: fsl,imx8mq-pcie + then: + properties: + clock-names: + items: + - const: pcie + - const: pcie_bus + - const: pcie_phy + - const: pcie_aux + + - if: + properties: + compatible: + contains: + enum: + - fsl,imx8mm-pcie + - fsl,imx8mp-pcie + then: + properties: + clocks: + maxItems: 3 + clock-names: + items: + - const: pcie + - const: pcie_bus + - const: pcie_aux + examples: - | #include