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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-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261021_182838_367498_7FE920DC X-CRM114-Status: GOOD ( 14.90 ) X-Spam-Score: -1.2 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 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