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Tue, 23 Jul 2024 06:18:50 -0700 (PDT) Received: from localhost.localdomain ([78.199.60.143]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-427db2a4e3bsm140312545e9.44.2024.07.23.06.18.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Jul 2024 06:18:50 -0700 (PDT) From: Zixun LI X-Google-Original-From: Zixun LI To: Lukasz Majewski , Mattijs Korpershoek , Marek Vasut , Tom Rini Cc: Zixun LI , u-boot@lists.denx.de Subject: [PATCH v3 6/7] usb: gadget: atmel: Add attach/detach support Date: Tue, 23 Jul 2024 15:18:13 +0200 Message-ID: <20240723131817.262596-7-zli@ogga.fr> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240723131817.262596-1-zli@ogga.fr> References: <20240723131817.262596-1-zli@ogga.fr> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 23 Jul 2024 15:35:56 +0200 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Add controller attach/detach support by using usb_gadget_ops.pullup() method. Signed-off-by: Zixun LI Reviewed-by: Marek Vasut Reviewed-by: Mattijs Korpershoek --- drivers/usb/gadget/atmel_usba_udc.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index ea9ad7585e..a7b96449f8 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -506,10 +506,28 @@ usba_udc_set_selfpowered(struct usb_gadget *gadget, int is_selfpowered) return 0; } +static int usba_udc_pullup(struct usb_gadget *gadget, int is_on) +{ + struct usba_udc *udc = to_usba_udc(gadget); + u32 ctrl; + + ctrl = usba_readl(udc, CTRL); + + if (is_on) + ctrl &= ~USBA_DETACH; + else + ctrl |= USBA_DETACH; + + usba_writel(udc, CTRL, ctrl); + + return 0; +} + static const struct usb_gadget_ops usba_udc_ops = { .get_frame = usba_udc_get_frame, .wakeup = usba_udc_wakeup, .set_selfpowered = usba_udc_set_selfpowered, + .pullup = usba_udc_pullup, }; static struct usb_endpoint_descriptor usba_ep0_desc = {