From patchwork Tue Apr 18 11:16:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Rokosov X-Patchwork-Id: 13215468 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E7F4EC77B75 for ; Tue, 18 Apr 2023 11:17:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=TuF70BrdmbcZixCYE9CFDXw1pCoH4EGhdp/JRMn9Ph0=; b=hg9QC7Vs7tnX6C bT0H0NWqYgd9WoB16EaIYwkwfkx6oAVeScZZMylymSRVsulPtC66gJ2CpKXsEDxjOoMvXdoW4be9f g0gtrrS0jweApcXLUCiaywmkourAAL42eD2Cwh8vjUnawlzJPL3fIRBGnZzv5q/089d+JS8OPdPJ0 xB8MnjkrlWwRr58H0lQFTkUR0EdRbWeWPgr9UJl4C7is3EOhNtnHI08Fp29nKznfw/uZvkrlhx4m3 DYg6nNI4OvCCgFt0saanRQ6PEyKrEpxK46HAfeqIG3KkZRnw/9OZkNsQebqz044N7o0HmiKcA8xTq R3Qcnd7NRT1SfcsJt87g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pojKE-001u5j-1r; Tue, 18 Apr 2023 11:16:42 +0000 Received: from mx.sberdevices.ru ([45.89.227.171]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pojJx-001tvE-0L; Tue, 18 Apr 2023 11:16:28 +0000 Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id F24565FD78; Tue, 18 Apr 2023 14:16:20 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1681816581; bh=MDzMe5CZfB1jJP7T11BEyo9k6M0Db32prO+SmusTuWw=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=brqLeNnHFhrcMVFs0R8yx2+7mwYyq+eOWHy5gKsQDSSPFOT7vG87eoE21J0MCPUtj /ZDLMSEpazMaB90uVs0YZdxxHZ7tOmH1cTT114+/ioSqRj/FsNG0Sp6dXxdFAaa1OX rKSIS8T9C8d5kkEeelMcSH88IvZqE4VcFgSF9189TzLEDVJ49KX/mNmRM7CNd7BN4s z/Qv7rzi2lLNjo+HKfZ4RDa7QP25N+bNu+y5IyVdZcn9ztNZXrPxytrGFO3+Vj+p6H G8OSARnLw0zTmHuJdvWWGWSFpibgD/h+oSUZaKgWAADMczYKrHxgbQgkD6xSvatfc7 UTNN778qGqelw== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Tue, 18 Apr 2023 14:16:20 +0300 (MSK) From: Dmitry Rokosov To: , , , , , , , , , , , CC: , , , , , , , , , , Dmitry Rokosov Subject: [PATCH v2 1/5] phy: amlogic: enable/disable clkin during Amlogic USB PHY init/exit Date: Tue, 18 Apr 2023 14:16:08 +0300 Message-ID: <20230418111612.19479-2-ddrokosov@sberdevices.ru> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20230418111612.19479-1-ddrokosov@sberdevices.ru> References: <20230418111612.19479-1-ddrokosov@sberdevices.ru> MIME-Version: 1.0 X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/04/18 05:44:00 #21123121 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230418_041625_678651_1C88217E X-CRM114-Status: GOOD ( 14.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Previously, all Amlogic boards used the XTAL clock as the default board clock for the USB PHY input, so there was no need to enable it. However, with the introduction of new Amlogic SoCs like the A1 family, the USB PHY now uses a gated clock. Hence, it is necessary to enable this gated clock during the PHY initialization sequence, or disable it during the PHY exit, as appropriate. Signed-off-by: Dmitry Rokosov Reviewed-by: Neil Armstrong --- drivers/phy/amlogic/phy-meson-g12a-usb2.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/phy/amlogic/phy-meson-g12a-usb2.c b/drivers/phy/amlogic/phy-meson-g12a-usb2.c index 9d1efa0d9394..80938751da4f 100644 --- a/drivers/phy/amlogic/phy-meson-g12a-usb2.c +++ b/drivers/phy/amlogic/phy-meson-g12a-usb2.c @@ -172,10 +172,16 @@ static int phy_meson_g12a_usb2_init(struct phy *phy) int ret; unsigned int value; - ret = reset_control_reset(priv->reset); + ret = clk_prepare_enable(priv->clk); if (ret) return ret; + ret = reset_control_reset(priv->reset); + if (ret) { + clk_disable_unprepare(priv->clk); + return ret; + } + udelay(RESET_COMPLETE_TIME); /* usb2_otg_aca_en == 0 */ @@ -277,8 +283,11 @@ static int phy_meson_g12a_usb2_init(struct phy *phy) static int phy_meson_g12a_usb2_exit(struct phy *phy) { struct phy_meson_g12a_usb2_priv *priv = phy_get_drvdata(phy); + int ret = reset_control_reset(priv->reset); + + clk_disable_unprepare(priv->clk); - return reset_control_reset(priv->reset); + return ret; } /* set_mode is not needed, mode setting is handled via the UTMI bus */ From patchwork Tue Apr 18 11:16:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Rokosov X-Patchwork-Id: 13215465 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F049AC77B75 for ; Tue, 18 Apr 2023 11:17:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vR1KArtywBRSWTX8795RxUF/r6rR2HdQCdeCWbtlBbY=; b=q4ZWfIzIQByCyl SfVxYtRcdudwmqGwEb6IIzKZ7kIoRYTGqoUd4wiKacVww6SCjPejqbZng/5+gSFm+arq4wm5/iQ2R eAdoGdSTyeW/q+B5gGs+e2OpxzbFgvX83GhTcOIuMWPaJHhW5kY1f2eaR0/o4k5IEOYVpNMJ/v2fH gyh0yGR2lXgIazHSbSqttHxUkxXh4pQtratds6+RVaI5CrK4bckbvoAePAQTpRPb54GMGUsH0XCnA q8cDrUUdrtkQ3w9EQfUNV1fDytqTGRYu8SZxHvyu0oX/4prU3zcecSczl3ePAF2jZt/jOqqvxxN4Y QAM5kcaVZCityjCL6uAQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pojK2-001tyB-24; Tue, 18 Apr 2023 11:16:30 +0000 Received: from mx.sberdevices.ru ([45.89.227.171]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pojJx-001tvG-0L; Tue, 18 Apr 2023 11:16:27 +0000 Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 97E325FD79; Tue, 18 Apr 2023 14:16:21 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1681816581; bh=09WqdKYRyw2DjfHpWjzV6C/vopcEZSQEhMfI25aDH40=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=Ep+FkMATP9znbpgX9YxDSrzdFnc1QzE+e8seNxmUoGbckEssC0tFPLKO7lDxfJteU 0f7NHTt3civIEIjddl8oT84XvxlGKz9Mqihu7znuIr3ECf8WO9JtBPIfHvtg8W1MaX ZJ2QXKvjzXgfOs/7gtzvmHKwP4oSHDkHEKrLRdSFn/ZcyvlgbfSdukdHZGRlK09xlI uCtEc5luBNTD6F4SISibbPOToKKkdvaRhAo4p8Bb+M2zAroO9v5ESwbink0Ik8yRss xExKkHII/TfN7KTAFCPvPBnSmMOkP0EiswsugeIkGIOOwqgWvZkNdy+rcP7BXZllOe s8K1r/p/wXhMA== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Tue, 18 Apr 2023 14:16:21 +0300 (MSK) From: Dmitry Rokosov To: , , , , , , , , , , , CC: , , , , , , , , , , Dmitry Rokosov Subject: [PATCH v2 2/5] usb: dwc2: support dwc2 IP for Amlogic A1 SoC family Date: Tue, 18 Apr 2023 14:16:09 +0300 Message-ID: <20230418111612.19479-3-ddrokosov@sberdevices.ru> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20230418111612.19479-1-ddrokosov@sberdevices.ru> References: <20230418111612.19479-1-ddrokosov@sberdevices.ru> MIME-Version: 1.0 X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/04/18 05:44:00 #21123121 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230418_041625_680551_F4B169E9 X-CRM114-Status: UNSURE ( 9.55 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The Amlogic A1 uses dwc2 Synopsys IP as its USB peripheral (gadget) endpoint, with different DWC2 parameters when compared to previous Amlogic SoCs. Signed-off-by: Dmitry Rokosov Reviewed-by: Neil Armstrong Acked-by: Minas Harutyunyan --- drivers/usb/dwc2/params.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index 9ed9fd956940..098fbfc774ab 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -161,6 +161,25 @@ static void dwc2_set_amlogic_g12a_params(struct dwc2_hsotg *hsotg) p->hird_threshold_en = false; } +static void dwc2_set_amlogic_a1_params(struct dwc2_hsotg *hsotg) +{ + struct dwc2_core_params *p = &hsotg->params; + + p->otg_caps.hnp_support = false; + p->otg_caps.srp_support = false; + p->speed = DWC2_SPEED_PARAM_HIGH; + p->host_rx_fifo_size = 192; + p->host_nperio_tx_fifo_size = 128; + p->host_perio_tx_fifo_size = 128; + p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI; + p->phy_utmi_width = 8; + p->ahbcfg = GAHBCFG_HBSTLEN_INCR8 << GAHBCFG_HBSTLEN_SHIFT; + p->lpm = false; + p->lpm_clock_gating = false; + p->besl = false; + p->hird_threshold_en = false; +} + static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg) { struct dwc2_core_params *p = &hsotg->params; @@ -258,6 +277,8 @@ const struct of_device_id dwc2_of_match_table[] = { .data = dwc2_set_amlogic_params }, { .compatible = "amlogic,meson-g12a-usb", .data = dwc2_set_amlogic_g12a_params }, + { .compatible = "amlogic,meson-a1-usb", + .data = dwc2_set_amlogic_a1_params }, { .compatible = "amcc,dwc-otg", .data = dwc2_set_amcc_params }, { .compatible = "apm,apm82181-dwc-otg", .data = dwc2_set_amcc_params }, { .compatible = "st,stm32f4x9-fsotg", From patchwork Tue Apr 18 11:16:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Rokosov X-Patchwork-Id: 13215464 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CCD5DC77B75 for ; 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Tue, 18 Apr 2023 14:16:22 +0300 (MSK) From: Dmitry Rokosov To: , , , , , , , , , , , CC: , , , , , , , , , , Dmitry Rokosov Subject: [PATCH v2 3/5] dt-bindings: usb: dwc2: add support for Amlogic A1 SoC USB peripheral Date: Tue, 18 Apr 2023 14:16:10 +0300 Message-ID: <20230418111612.19479-4-ddrokosov@sberdevices.ru> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20230418111612.19479-1-ddrokosov@sberdevices.ru> References: <20230418111612.19479-1-ddrokosov@sberdevices.ru> MIME-Version: 1.0 X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/04/18 05:44:00 #21123121 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230418_041625_679302_3E0D7849 X-CRM114-Status: UNSURE ( 7.92 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Provide the appropriate compatible string for the DWC2 IP that is found inside the Amlogic A1 SoC and used in peripheral mode. Signed-off-by: Dmitry Rokosov Acked-by: Rob Herring Reviewed-by: Martin Blumenstingl --- Documentation/devicetree/bindings/usb/dwc2.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml b/Documentation/devicetree/bindings/usb/dwc2.yaml index 371ba93f3ce5..f70be397dac0 100644 --- a/Documentation/devicetree/bindings/usb/dwc2.yaml +++ b/Documentation/devicetree/bindings/usb/dwc2.yaml @@ -53,6 +53,7 @@ properties: - amlogic,meson8b-usb - amlogic,meson-gxbb-usb - amlogic,meson-g12a-usb + - amlogic,meson-a1-usb - intel,socfpga-agilex-hsotg - const: snps,dwc2 - const: amcc,dwc-otg From patchwork Tue Apr 18 11:16:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Rokosov X-Patchwork-Id: 13215466 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6851CC6FD18 for ; Tue, 18 Apr 2023 11:17:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=yRKqq+wdD30z2AUKiWt0HRAvIJbvpY5Bh7/ZMZfCmd0=; b=RIH6SxMr9fRSy/ GD6PMV8d6F95z4/koQ+5zlJc/4UB1aou50Uycjl027QMtEdfbWxR8ucXM4ThkNvZbIlksSsFqVgfh STFaQZLQgverOiVGwp0dbtQq+fEriWaydgjjEFIFLtdPNbTBQ5fn8DN42Rzb4S9ZscGr5aGrK10Xc ddyjDpV9yA0IL3XiwBBYaN6rLR41t1/WJx7bQD/IyhGRMIiAYquJ6N1C11sOc0rKWoB+9+Z+XGKm5 T4CHGXVtX8obhHAldsYTwlw+hpqEaTUbJSVaIZpIWyqrhrkvfwFGSC+hieIfFUd44STGqcl2nsdfq qH637ysd9hG6CMCKxneA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pojKC-001u4Z-3D; Tue, 18 Apr 2023 11:16:41 +0000 Received: from mx.sberdevices.ru ([45.89.227.171]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pojJx-001tvL-2B; Tue, 18 Apr 2023 11:16:28 +0000 Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 3B6585FD7B; Tue, 18 Apr 2023 14:16:24 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1681816584; bh=26RiW/rOJIVLmGJWx/SnHu6+Xcx0ZjBJnASIM+ICGp4=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=r+jNyWHXfjahndwJpd/bxwD0NKbgVzPgI2C2LUO8YMEwG7fXFm/q0SJH08Jqn1uLw Kb/VLMUqJAN6lLmM877g+H4eYdorbprzrsiN6lzP4xt/WAatXE2H100Y33n07oWVX0 Ab4fPSQmBtT3AgqpoMgO7YOLYPz4RnCTY1nvYHKqrrKcoGDdJ85uXzKYUwqNF59k23 TJcPtLVdt+yvLZe/eG/asbzDOpIBm7ZlL5JpIPinrpxM2p6JnKNzL/k2O+C1D17niK tYNOShpg9pNzt1lUmb2DD/HieX9d2ta9+MhVYau39iSTyacf54IsA5DGPp60HFCVBg NS1Lod044Tk6A== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Tue, 18 Apr 2023 14:16:24 +0300 (MSK) From: Dmitry Rokosov To: , , , , , , , , , , , CC: , , , , , , , , , , Dmitry Rokosov Subject: [PATCH v2 4/5] usb: dwc3-meson-g12a: support OTG switch for all IP versions Date: Tue, 18 Apr 2023 14:16:11 +0300 Message-ID: <20230418111612.19479-5-ddrokosov@sberdevices.ru> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20230418111612.19479-1-ddrokosov@sberdevices.ru> References: <20230418111612.19479-1-ddrokosov@sberdevices.ru> MIME-Version: 1.0 X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/04/18 05:44:00 #21123121 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230418_041626_052047_ECF13870 X-CRM114-Status: GOOD ( 14.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From now, the Amlogic A1 USB controller is capable of switching between host and gadget modes based on the status of the OTG_ID signal or via manual USB role change. Previously, only the Amlogic A1 IP version did not use OTG support for host only mode, but this is no longer applicable. Therefore, the 'otg_switch_supported' option can now be removed as it is no longer required. Signed-off-by: Dmitry Rokosov Reviewed-by: Neil Armstrong Reviewed-by: Martin Blumenstingl --- drivers/usb/dwc3/dwc3-meson-g12a.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c index b282ad0e69c6..a13afdb219e8 100644 --- a/drivers/usb/dwc3/dwc3-meson-g12a.c +++ b/drivers/usb/dwc3/dwc3-meson-g12a.c @@ -140,7 +140,6 @@ static const char * const meson_a1_phy_names[] = { struct dwc3_meson_g12a; struct dwc3_meson_g12a_drvdata { - bool otg_switch_supported; bool otg_phy_host_port_disable; struct clk_bulk_data *clks; int num_clks; @@ -189,7 +188,6 @@ static int dwc3_meson_gxl_usb_post_init(struct dwc3_meson_g12a *priv); */ static const struct dwc3_meson_g12a_drvdata gxl_drvdata = { - .otg_switch_supported = true, .otg_phy_host_port_disable = true, .clks = meson_gxl_clocks, .num_clks = ARRAY_SIZE(meson_g12a_clocks), @@ -203,7 +201,6 @@ static const struct dwc3_meson_g12a_drvdata gxl_drvdata = { }; static const struct dwc3_meson_g12a_drvdata gxm_drvdata = { - .otg_switch_supported = true, .otg_phy_host_port_disable = true, .clks = meson_gxl_clocks, .num_clks = ARRAY_SIZE(meson_g12a_clocks), @@ -217,7 +214,6 @@ static const struct dwc3_meson_g12a_drvdata gxm_drvdata = { }; static const struct dwc3_meson_g12a_drvdata axg_drvdata = { - .otg_switch_supported = true, .clks = meson_gxl_clocks, .num_clks = ARRAY_SIZE(meson_gxl_clocks), .phy_names = meson_a1_phy_names, @@ -230,7 +226,6 @@ static const struct dwc3_meson_g12a_drvdata axg_drvdata = { }; static const struct dwc3_meson_g12a_drvdata g12a_drvdata = { - .otg_switch_supported = true, .clks = meson_g12a_clocks, .num_clks = ARRAY_SIZE(meson_g12a_clocks), .phy_names = meson_g12a_phy_names, @@ -242,7 +237,6 @@ static const struct dwc3_meson_g12a_drvdata g12a_drvdata = { }; static const struct dwc3_meson_g12a_drvdata a1_drvdata = { - .otg_switch_supported = false, .clks = meson_a1_clocks, .num_clks = ARRAY_SIZE(meson_a1_clocks), .phy_names = meson_a1_phy_names, @@ -307,7 +301,7 @@ static int dwc3_meson_g12a_usb2_init_phy(struct dwc3_meson_g12a *priv, int i, U2P_R0_POWER_ON_RESET, U2P_R0_POWER_ON_RESET); - if (priv->drvdata->otg_switch_supported && i == USB2_OTG_PHY) { + if (i == USB2_OTG_PHY) { regmap_update_bits(priv->u2p_regmap[i], U2P_R0, U2P_R0_ID_PULLUP | U2P_R0_DRV_VBUS, U2P_R0_ID_PULLUP | U2P_R0_DRV_VBUS); @@ -490,7 +484,7 @@ static int dwc3_meson_g12a_otg_mode_set(struct dwc3_meson_g12a *priv, { int ret; - if (!priv->drvdata->otg_switch_supported || !priv->phys[USB2_OTG_PHY]) + if (!priv->phys[USB2_OTG_PHY]) return -EINVAL; if (mode == PHY_MODE_USB_HOST) @@ -589,9 +583,6 @@ static int dwc3_meson_g12a_otg_init(struct platform_device *pdev, int ret, irq; struct device *dev = &pdev->dev; - if (!priv->drvdata->otg_switch_supported) - return 0; - if (priv->otg_mode == USB_DR_MODE_OTG) { /* Ack irq before registering */ regmap_update_bits(priv->usb_glue_regmap, USB_R5, @@ -841,8 +832,7 @@ static int dwc3_meson_g12a_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; int i; - if (priv->drvdata->otg_switch_supported) - usb_role_switch_unregister(priv->role_switch); + usb_role_switch_unregister(priv->role_switch); of_platform_depopulate(dev); From patchwork Tue Apr 18 11:16:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Rokosov X-Patchwork-Id: 13215469 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 08049C6FD18 for ; Tue, 18 Apr 2023 11:17:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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bh=lYTwixrqbd9SStEuaH+MOse4j7UjK4ooo6t7FaqVmeA=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=Svh2dtABfLv0A4s8N8XedVQorPjq21MkbnzYzqGr0rE7B7n9umg+kH5gWc/yfHSxG I6if+KKBejBAY8kxAT35VX8E6ePwaDSYCg9APOXYUTEcf+YTGq+sTMsW1m535JjJJZ maO427TZfHXgh0eMipZMNELzwSsHvujFt9J6lbj8/lmYIsses3X6j8hyVgIzfEGY7w KHroZFMv6imEBXB138tczGBWFym21BusY/Irq0Fl/7qA5FDUxrUYztnLs7qwN5pLfP YAfl2lJeIKU0+N0tenqO5E9AidpMhA92sNKKaEeQ2alWPsyl02QvJSCU8DdA0PRhqw Osjt1945IdDHA== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Tue, 18 Apr 2023 14:16:25 +0300 (MSK) From: Dmitry Rokosov To: , , , , , , , , , , , CC: , , , , , , , , , , Dmitry Rokosov Subject: [PATCH v2 5/5] arm64: dts: meson: a1: support USB controller in OTG mode Date: Tue, 18 Apr 2023 14:16:12 +0300 Message-ID: <20230418111612.19479-6-ddrokosov@sberdevices.ru> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20230418111612.19479-1-ddrokosov@sberdevices.ru> References: <20230418111612.19479-1-ddrokosov@sberdevices.ru> MIME-Version: 1.0 X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/04/18 05:44:00 #21123121 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230418_041628_995581_C02EAA1F X-CRM114-Status: UNSURE ( 8.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Amlogic A1 SoC family has USB2.0 controller based on dwc2 and dwc3 heads. It supports otg/host/peripheral modes. Signed-off-by: Yue Wang Signed-off-by: Hanjie Lin Signed-off-by: Dmitry Rokosov --- arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 59 +++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi index ae7d39cff07a..02af0aac6780 100644 --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi @@ -8,6 +8,8 @@ #include #include #include +#include +#include / { compatible = "amlogic,a1"; @@ -169,6 +171,17 @@ gpio_intc: interrupt-controller@0440 { amlogic,channel-interrupts = <49 50 51 52 53 54 55 56>; }; + + usb2_phy1: phy@4000 { + compatible = "amlogic,a1-usb2-phy"; + clocks = <&clkc CLKID_USB_PHY_IN>; + clock-names = "xtal"; + reg = <0x0 0x4000 0x0 0x60>; + resets = <&reset RESET_USBPHY>; + reset-names = "phy"; + #phy-cells = <0>; + power-domains = <&pwrc PWRC_USB_ID>; + }; }; gic: interrupt-controller@ff901000 { @@ -192,6 +205,52 @@ spifc: spi@fd000400 { #size-cells = <0>; status = "disabled"; }; + + usb: usb@fe004400 { + status = "disabled"; + compatible = "amlogic,meson-a1-usb-ctrl"; + reg = <0x0 0xfe004400 0x0 0xa0>; + interrupts = ; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + clocks = <&clkc CLKID_USB_CTRL>, + <&clkc CLKID_USB_BUS>, + <&clkc CLKID_USB_CTRL_IN>; + clock-names = "usb_ctrl", "usb_bus", "xtal_usb_ctrl"; + resets = <&reset RESET_USBCTRL>; + reset-name = "usb_ctrl"; + + dr_mode = "otg"; + + phys = <&usb2_phy1>; + phy-names = "usb2-phy1"; + + dwc2: usb@ff500000 { + compatible = "amlogic,meson-a1-usb", "snps,dwc2"; + reg = <0x0 0xff500000 0x0 0x40000>; + interrupts = ; + phys = <&usb2_phy1>; + phy-names = "usb2_phy"; + clocks = <&clkc CLKID_USB_PHY>; + clock-names = "otg"; + dr_mode = "peripheral"; + g-rx-fifo-size = <192>; + g-np-tx-fifo-size = <128>; + g-tx-fifo-size = <128 128 16 16 16>; + }; + + dwc3: usb@ff400000 { + compatible = "snps,dwc3"; + reg = <0x0 0xff400000 0x0 0x100000>; + interrupts = ; + dr_mode = "host"; + snps,dis_u2_susphy_quirk; + snps,quirk-frame-length-adjustment = <0x20>; + snps,parkmode-disable-ss-quirk; + }; + }; }; timer {