From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3E6EFD3A68D for ; Tue, 29 Oct 2024 19:00:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=fyem2iYbOt+HlPyPpzOriiVm0gJnGY9hYBLl3hvkas0=; b=GYCBS3BCKrShqIxkf+53uDdzNq nHoQuG2wlUk+5o7XtQlpp5uXrdS9Y2bhLiFmRRzzez6om+kV92a4rmMusvMx2/eDaVTS0sVigssw6 IWajA5EljjLmrDIgbD4VPjeTjL2akGe22duyh7JNRW9kC6YWCqJNJNw1+T3WEU7cM2K7XpJweqbpa iHUIyTRWUF7+sGI6mdnzgZhyE8ciMQMHi7GqUWUFI9HXdb1IXDxApxcdEC/YSIxuTtAcQHW/KMOgV zDAh3jp/3RYRnF38IRujZq+zL2gCEtRFe4wRAYKSb6fcahUofGR0CPexd/NmxfqUZYCxpVxTF9r4V bXyYwE5w==; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241029_105337_768823_CEA390C3 X-CRM114-Status: GOOD ( 17.22 ) X-BeenThere: ath12k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "ath12k" Errors-To: ath12k-bounces+ath12k=archiver.kernel.org@lists.infradead.org On 29/10/2024 18:30, Raj Kumar Bhagat wrote: > The RDP433 is a Qualcomm Reference Design Platform based on the > IPQ9574. It has three QCN9274 WiFi devices connected to PCIe1, PCIe2, > and PCIe3. These devices are also connected among themselves via > WSI connection. This WSI connection is essential to exchange control > information among these devices > > The WSI connection in RDP433 is represented below: > > +-------+ +-------+ +-------+ > | pcie2 | | pcie3 | | pcie1 | > | | | | | | > +----->| wsi |------->| wsi |------->| wsi |-----+ > | | grp 0 | | grp 0 | | grp 0 | | > | +-------+ +-------+ +-------+ | > +------------------------------------------------------+ > > Based on the above, the WSI properties for QCN9274 at pcie2 are > (considering QCN9274 at pcie2 is WSI master): > > qcom,wsi-group-id = 0 > qcom,wsi-master > ports: > tx-port (port@0): endpoint at pcie3 RX port. > rx-port (port@1): endpoint at pcie1 TX port. > > Hence, add WiFi nodes with WSI properties for all three QCN9274 > devices connected to RDP433. > > Signed-off-by: Raj Kumar Bhagat > --- > arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 116 +++++++++++++++++++- > 1 file changed, 115 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts > index 165ebbb59511..d0ecaefe5b41 100644 > --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts > +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts > @@ -3,7 +3,7 @@ > * IPQ9574 RDP433 board device tree source > * > * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved. > - * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. > + * Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved. > */ > > /dts-v1/; > @@ -27,6 +27,44 @@ &pcie1 { > perst-gpios = <&tlmm 26 GPIO_ACTIVE_LOW>; > wake-gpios = <&tlmm 27 GPIO_ACTIVE_LOW>; > status = "okay"; > + > + pcie@0 { > + device_type = "pci"; > + reg = <0x0 0x0 0x0 0x0 0x0>; > + #address-cells = <3>; > + #size-cells = <2>; > + ranges; > + > + wifi1@0 { Node names should be generic. See also an explanation and list of examples (not exhaustive) in DT specification: https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation Best regards, Krzysztof