From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=192.19.166.231 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792603716; b=TxwqyW0gNTlRpL/NhWBqWyoQZlKhEJYvkTCx2kN3j+jB8NqQhzbx2VUoZFR7Bd8TWI5W rkI3muvjuNSQB6HNUQY7QIbCDGHPbW16/a8LH5YY1SxTIaCF7zDOn0q0DHIJUIr32IsxE 6wk/lgOkyUvlb4MMjAfWPua8Cjl8fwuccwInsPznXVzmyCBQIzQtBNwPx7rxrHJC4++EO ocgiyLOStc77nK9svSbmGtgeFsThMr0W4ODwdm+Q0yxwi2oU30qaOj3v1HOhnhDkMHcQ6 1nh5XGc0lC46rhDn927O9f6pNFqLkaGj4mqwLgp7t9Z2ITshuKW98dCoeQHKOdURSLg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792603716; h=DMARC-Filter:Received:DKIM-Filter:DKIM-Signature:Received:From:To:Cc: Subject:Date:Message-ID:X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; bh=n2LWARo8MV/mGVlauERfT0VhLpTZNjWKl5HGBOJ/aaQ=; b=Ge8f7ja1xp2cZTgHdpudu2mGhV5ogQMzEo4QSVwWdXDXVtKkXgQVV5NErjgNqBiPoAR1 a1J/18cIu3r605y96hK/JdelWZqiLeGEtI+KSRpJYDFX1dg8Ajn+3N9KN5NRoP+HFOr2j qRM/CmImBJOhCM8wSXwxHMzLo0RB6jmbPwOGStilr5LbuEbmUit4sbwiMi5vZo1Qu5vQs q9Yf8NdSCB29uIC9znEHBKHdTGlG0y/bvIil95ey21ECvVN/C4jrSMVCcbNS1Ny4Qh6yg ENICdPE2ANuowyCLEdaHde1eAvIjpVpgtOh7eGSXXDNlgcXvAF9rzhNjHfF1lqPxfeA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass header.d=broadcom.com header.i=@broadcom.com header.a=rsa-sha256 header.s=dkimrelay header.b=Lnw43Rjo; arc=none smtp.remote-ip=192.19.166.231 Received: from relay.smtp-ext.broadcom.com (relay.smtp-ext.broadcom.com [192.19.166.231]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9CE9160A3809; Wed, 21 Oct 2026 17:28:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9CE9160A3809 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=broadcom.com header.i=@broadcom.com header.a=rsa-sha256 header.s=dkimrelay header.b=Lnw43Rjo Received: from mail-acc-it-01.broadcom.com (mail-acc-it-01.acc.broadcom.net [10.35.36.83]) by relay.smtp-ext.broadcom.com (Postfix) with ESMTP id E52F5C0000E4; Wed, 21 Oct 2026 10:28:34 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 relay.smtp-ext.broadcom.com E52F5C0000E4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1792603715; bh=/JqeKYtSECU+27WszWV5PvE5N7tLSEr/HEiedmI/3Fw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Lnw43Rjoo7WMEr5lSbFj+3+vUdKB08znfjLSjETJ50yT6sgV+7DuXEtQ2zV0BzNii 5mbjcEFbF0NLteDVHedAHhh/fI4Sz5z2E8e712JupZGj2Wnx1f2narVR4IuUmsulAU FR2MJFmpzaRm+uLS2m7/F6WZkXF0oBLCgq8GuI8A= Received: from fainelli-desktop.igp.broadcom.net (fainelli-desktop.dhcp.broadcom.net [10.67.48.245]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail-acc-it-01.broadcom.com (Postfix) with ESMTPSA id 4DA3FAEA2; Wed, 21 Oct 2026 13:28:33 -0400 (EDT) From: Florian Fainelli To: linux-arm-kernel@lists.infradead.org Cc: Florian Fainelli , Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Ray Jui , Scott Branden , Broadcom internal kernel review list , Alan Stern , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Kishon Vijay Abraham I , Yendapally Reddy Dhananjaya Reddy , linux-phy@lists.infradead.org (open list:GENERIC PHY FRAMEWORK), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list), linux-usb@vger.kernel.org (open list:USB SUBSYSTEM) Subject: [PATCH 8/9] ARM: dts: broadcom: Identify the NSP EHCI controller Date: Wed, 21 Oct 2026 10:28:17 -0700 Message-ID: <20261021172819.668120-9-florian.fainelli@broadcom.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261021172819.668120-1-florian.fainelli@broadcom.com> References: <20261021172819.668120-1-florian.fainelli@broadcom.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The NSP SDK programs the EHCI FIFO threshold to 0x00800040, but the upstream device tree describes the controller only as generic-ehci. This prevents ehci-platform from selecting the required initialization. Add the NSP compatible to select its FIFO threshold workaround while retaining generic-ehci as a fallback. Fixes: 1d8ece6639e1 ("ARM: dts: NSP: Add EHCI/OHCI USB nodes to device tree") Signed-off-by: Florian Fainelli --- arch/arm/boot/dts/broadcom/bcm-nsp.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/broadcom/bcm-nsp.dtsi b/arch/arm/boot/dts/broadcom/bcm-nsp.dtsi index c3c33f18b92a..b3f0190d0d86 100644 --- a/arch/arm/boot/dts/broadcom/bcm-nsp.dtsi +++ b/arch/arm/boot/dts/broadcom/bcm-nsp.dtsi @@ -325,7 +325,7 @@ xhci: usb@29000 { }; ehci0: usb@2a000 { - compatible = "generic-ehci"; + compatible = "brcm,nsp-ehci", "generic-ehci"; reg = <0x2a000 0x100>; interrupts = ; dma-coherent; -- 2.53.0