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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F028CC433EF for ; Fri, 1 Apr 2022 14:32:02 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 3B6AC84064; Fri, 1 Apr 2022 16:31:51 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648823511; bh=a6VpBNb4t86dr0KdxLNPPJSZm3FFA2d7Pynki4Ul4IM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=MtMawZsebeSytfZvfgjEQs7YuabjHPe7x8xMQ36w2BINea6Q7diW/gvHjVZhSltVx veWEKVtBHLOGUCPs4N/T+GBkYLcOIDgnOceQj5Z0x3NJnaWV+1+3PPVGc8uhpGix8F dqcS0WpIDpjAHqCtAW6MAtnAP6evucfOnNqqegJWTc/p59RC8V8GohlflPcknHEI1t EBqPf3UpB4pxGovaDUpk3cJ5V1QI6ES+ApaDzRonTxaVOxfZO1uZMtTcfLLeOg8W8w MFF3hYizAUfR5hfKrjJ9T27lju/Kl0M19JaWfpjugcM5IthZTJTg7eUO32e+wWnBo6 FuSmlzLVIgtWw== Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 63E13842AC; Fri, 1 Apr 2022 16:31:47 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648823507; bh=a6VpBNb4t86dr0KdxLNPPJSZm3FFA2d7Pynki4Ul4IM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lhjcPgEXRpBRwdvDV0Jok5nj+h4Wrbx+WQDUUlxI6JUByvSM0rTgoVDZCONc8+CV4 Wxkbuf+CLSmccrD2LwWe4fa9OOohP6Xbks5xSWber3uF2WWKLjnLAAZPqA7MC3kSV0 uh3g2jZVL21TuanJxac5NP9a/d3UQY0/pl/WjZXXWAUPgb812FFLqu3JUVV182FrPA Gxp0M+qGhHzmIP80CJ4LOJeLbSSpmNncHHjAiYd7XVp5uqtaZ0gXNzPnD8QDk2JP+M WEk0CLmE9Y3w+IY/JQINWtm097B5eXPhmC9LZoZjgClAYztl5spnW18HM5M5zgAut0 IOSs3xuFE3hjg== From: Marek Vasut To: u-boot@lists.denx.de Cc: Marek Vasut , Angus Ainslie , Bin Meng , Fabio Estevam , Kunihiko Hayashi , Michal Simek , Peng Fan , Stefano Babic Subject: [PATCH 2/2] usb: dwc3: Implement .glue_configure for i.MX8MP Date: Fri, 1 Apr 2022 16:31:39 +0200 Message-Id: <20220401143139.221638-2-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220401143139.221638-1-marex@denx.de> References: <20220401143139.221638-1-marex@denx.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 0.103.5 at phobos.denx.de X-Virus-Status: Clean The i.MX8MP glue needs to be configured based on a couple of DT properties, implement .glue_configure callback to parse those DT properties and configure the glue accordingly. Signed-off-by: Marek Vasut Cc: Angus Ainslie Cc: Bin Meng Cc: Fabio Estevam Cc: Kunihiko Hayashi Cc: Michal Simek Cc: Peng Fan Cc: Stefano Babic --- drivers/usb/dwc3/dwc3-generic.c | 52 +++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c index 7e3814207e4..6cf844cb483 100644 --- a/drivers/usb/dwc3/dwc3-generic.c +++ b/drivers/usb/dwc3/dwc3-generic.c @@ -223,6 +223,57 @@ struct dwc3_glue_ops { enum usb_dr_mode mode); }; +void dwc3_imx8mp_glue_configure(struct udevice *dev, int index, + enum usb_dr_mode mode) +{ +/* USB glue registers */ +#define USB_CTRL0 0x00 +#define USB_CTRL1 0x04 + +#define USB_CTRL0_PORTPWR_EN BIT(12) /* 1 - PPC enabled (default) */ +#define USB_CTRL0_USB3_FIXED BIT(22) /* 1 - USB3 permanent attached */ +#define USB_CTRL0_USB2_FIXED BIT(23) /* 1 - USB2 permanent attached */ + +#define USB_CTRL1_OC_POLARITY BIT(16) /* 0 - HIGH / 1 - LOW */ +#define USB_CTRL1_PWR_POLARITY BIT(17) /* 0 - HIGH / 1 - LOW */ + fdt_addr_t regs = dev_read_addr_index(dev, 1); + void *base = map_physmem(regs, 0x8, MAP_NOCACHE); + u32 value; + + value = readl(base + USB_CTRL0); + + if (dev_read_bool(dev, "fsl,permanently-attached")) + value |= (USB_CTRL0_USB2_FIXED | USB_CTRL0_USB3_FIXED); + else + value &= ~(USB_CTRL0_USB2_FIXED | USB_CTRL0_USB3_FIXED); + + if (dev_read_bool(dev, "fsl,disable-port-power-control")) + value &= ~(USB_CTRL0_PORTPWR_EN); + else + value |= USB_CTRL0_PORTPWR_EN; + + writel(value, base + USB_CTRL0); + + value = readl(base + USB_CTRL1); + if (dev_read_bool(dev, "fsl,over-current-active-low")) + value |= USB_CTRL1_OC_POLARITY; + else + value &= ~USB_CTRL1_OC_POLARITY; + + if (dev_read_bool(dev, "fsl,power-active-low")) + value |= USB_CTRL1_PWR_POLARITY; + else + value &= ~USB_CTRL1_PWR_POLARITY; + + writel(value, base + USB_CTRL1); + + unmap_physmem(base, MAP_NOCACHE); +} + +struct dwc3_glue_ops imx8mp_ops = { + .glue_configure = dwc3_imx8mp_glue_configure, +}; + void dwc3_ti_glue_configure(struct udevice *dev, int index, enum usb_dr_mode mode) { @@ -464,6 +515,7 @@ static const struct udevice_id dwc3_glue_ids[] = { { .compatible = "rockchip,rk3328-dwc3" }, { .compatible = "rockchip,rk3399-dwc3" }, { .compatible = "qcom,dwc3" }, + { .compatible = "fsl,imx8mp-dwc3", .data = (ulong)&imx8mp_ops }, { .compatible = "fsl,imx8mq-dwc3" }, { .compatible = "intel,tangier-dwc3" }, { } -- 2.35.1