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[79.208.145.128]) by smtp.gmail.com with ESMTPSA id a15sm5326886eje.16.2020.09.19.17.19.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Sep 2020 17:19:01 -0700 (PDT) Received: from chuck by debian64.daheim with local (Exim 4.94) (envelope-from ) id 1kJn4A-000s3r-Eh; Sun, 20 Sep 2020 02:18:54 +0200 From: Christian Lamparter To: linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org Cc: Rob Herring , Greg Kroah-Hartman , Minas Harutyunyan Subject: [PATCH v1 2/2] usb: dwc2: add support for APM82181 USB OTG Date: Sun, 20 Sep 2020 02:18:50 +0200 Message-Id: X-Mailer: git-send-email 2.28.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org adds the specific compatible string for the DWC2 IP found in the APM82181 SoCs. The IP is setup correctly through the auto detection... With the exception of the AHB Burst Size. The default of GAHBCFG_HBSTLEN_INCR4 of the "snps,dwc2" can cause a system hang when the USB and SATA is used concurrently. Because the predecessor (PPC460EX (Canyonlands)) already had the same problem, this SoC can make use of the existing dwc2_set_amcc_params() function. Signed-off-by: Christian Lamparter --- drivers/usb/dwc2/params.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index 8f9d061c4d5f..6d2b9a6c247c 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -210,6 +210,7 @@ const struct of_device_id dwc2_of_match_table[] = { { .compatible = "amlogic,meson-g12a-usb", .data = dwc2_set_amlogic_g12a_params }, { .compatible = "amcc,dwc-otg", .data = dwc2_set_amcc_params }, + { .compatible = "apm,apm82181-dwc-otg", .data = dwc2_set_amcc_params }, { .compatible = "st,stm32f4x9-fsotg", .data = dwc2_set_stm32f4x9_fsotg_params }, { .compatible = "st,stm32f4x9-hsotg" },