From patchwork Mon Oct 9 17:20:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 13414114 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 36D4FCD6112 for ; Mon, 9 Oct 2023 17:22:07 +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=UeNesuw/WiGJ873hvt3qToJgIkbWsvQIbCEK1rLRalc=; b=MrXIQwk8behMHE RGYXQysqAtQ1UJAuFWHjPs+hGiPoKwKNNzVL6/MkOT1XzQPQO5FfI8CEJWzxdCtgi7V83E7eAabIM ZCjqdURFtT6uZmXE9a55u+N5DeEMBundpJjjtnrvuNIP/Jx0Gub8aLpemn6+4efQ5sb37SsQGtUNl JgITX4cUqIsLiaDRVGs7dRUq9vhQ/S560GV178cb45frGCfeo2PbXseEmguiOgiG4XSL0dtzqlu9r ylU2pmOz7i0VH51zurl4AWvsGkGOq1rQSlrZGpjQnJpd0fAtAKueBQ8nfJYdc+Aloh9rWwuRRBioW XRQcpz/sV037sQ9Cz5TQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qptwq-00BH9D-37; Mon, 09 Oct 2023 17:21:40 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qptwo-00BH7f-1N; Mon, 09 Oct 2023 17:21:40 +0000 Received: from jupiter.universe (dyndsl-091-248-211-168.ewe-ip-backbone.de [91.248.211.168]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sre) by madras.collabora.co.uk (Postfix) with ESMTPSA id 5CD7866057B6; Mon, 9 Oct 2023 18:21:33 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696872093; bh=gX1sh9tNcdiHJy/P3FU5j/FQag6VcA3nlE7BjqH+NDc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fBMEh6KKbKIXdXfA5OwUqMT0CI3myXDMFMlq79XiS8qWCBrzb4edUtoFEGSH5QpGL AD1xVPHvFQIlG+kAN1zQG+UXg1rcr7T6a38B9AKVyOPaM5vZbJ+riWu/HGJSLdpi// Gp0TGQG1Q2y9P5a2VCyxdRzbzd2u1hyjrySVYVLyvYMhzCvfgjD6wK621gZqQXrp6a DfPOvoxWc9D9wk6v2hJl5Vz9b02Nd4JQNHgg2DoVE+Yv+UUPTVq2y7XR2oGCFnoS3L pW8NBbWZr4bzjl7OkM8RpkNpdSvmKSz2f19YtuUNauf4jlMJMCe5Ms1EnvvEFH0kUp GxQ0K6q4wa1mw== Received: by jupiter.universe (Postfix, from userid 1000) id 1C6FC4800CA; Mon, 9 Oct 2023 19:21:31 +0200 (CEST) From: Sebastian Reichel To: Heiko Stuebner , Greg Kroah-Hartman Cc: Thinh Nguyen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sebastian Reichel , kernel@collabora.com Subject: [PATCH v3 1/3] dt-bindings: usb: add rk3588 compatible to rockchip,dwc3 Date: Mon, 9 Oct 2023 19:20:09 +0200 Message-ID: <20231009172129.43568-2-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231009172129.43568-1-sebastian.reichel@collabora.com> References: <20231009172129.43568-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231009_102138_684146_D630659E X-CRM114-Status: GOOD ( 13.31 ) 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 RK3588 has three DWC3 controllers. Two of them are fully functional in host, device and OTG mode including USB2 support. They are connected to dedicated PHYs, that also support USB-C's DisplayPort alternate mode. The third controller is connected to one of the combphy's shared with PCIe and SATA. It can only be used in host mode and does not support USB2. Compared to the other controllers this one needs some extra clocks. While adding the extra clocks required by RK3588, I noticed grf_clk is not available on RK3568, so I disallowed it for that platform. Signed-off-by: Sebastian Reichel --- .../bindings/usb/rockchip,dwc3.yaml | 66 +++++++++++++++++-- 1 file changed, 61 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml index 291844c8f3e1..517879290099 100644 --- a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml @@ -20,9 +20,6 @@ description: Type-C PHY Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt -allOf: - - $ref: snps,dwc3.yaml# - select: properties: compatible: @@ -30,6 +27,7 @@ select: enum: - rockchip,rk3328-dwc3 - rockchip,rk3568-dwc3 + - rockchip,rk3588-dwc3 required: - compatible @@ -39,6 +37,7 @@ properties: - enum: - rockchip,rk3328-dwc3 - rockchip,rk3568-dwc3 + - rockchip,rk3588-dwc3 - const: snps,dwc3 reg: @@ -58,7 +57,9 @@ properties: Master/Core clock, must to be >= 62.5 MHz for SS operation and >= 30MHz for HS operation - description: - Controller grf clock + Controller grf clock OR UTMI clock + - description: + PIPE clock clock-names: minItems: 3 @@ -66,7 +67,10 @@ properties: - const: ref_clk - const: suspend_clk - const: bus_clk - - const: grf_clk + - enum: + - grf_clk + - utmi + - const: pipe power-domains: maxItems: 1 @@ -86,6 +90,58 @@ required: - clocks - clock-names +allOf: + - $ref: snps,dwc3.yaml# + - if: + properties: + compatible: + contains: + const: rockchip,rk3328-dwc3 + then: + properties: + clocks: + minItems: 3 + maxItems: 4 + clock-names: + minItems: 3 + items: + - const: ref_clk + - const: suspend_clk + - const: bus_clk + - const: grf_clk + - if: + properties: + compatible: + contains: + const: rockchip,rk3568-dwc3 + then: + properties: + clocks: + maxItems: 3 + clock-names: + items: + - const: ref_clk + - const: suspend_clk + - const: bus_clk + - if: + properties: + compatible: + contains: + const: rockchip,rk3588-dwc3 + then: + properties: + clocks: + minItems: 3 + maxItems: 5 + clock-names: + minItems: 3 + items: + - const: ref_clk + - const: suspend_clk + - const: bus_clk + - const: utmi + - const: pipe + examples: - | #include From patchwork Mon Oct 9 17:20:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 13414117 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 E24BFCD6112 for ; Mon, 9 Oct 2023 17:22:12 +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=sMuSSRDzSRYg8inhzK5lH4x7iYUj5E4+wyLnbbZ2XNc=; 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Mon, 9 Oct 2023 18:21:33 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696872093; bh=s7FE/b1fcBNIH4A6hktCDg2vLgbpSRvBVa0VKAg76eM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EDVCim5fvMuwaOLLTG2Qd/qLN0+mZ6XWoBb52i4pzBAQYwe1usAtZv93PcLC3tI3Z /4xk6mWxuvfezwp1T0nE/YSu0oH/fzMqvDHfxqezzDsriPusOsYxyI3sCExIkBIJ11 bfASep9RBk9rCQnIPDjK8xewAxLWGWTEKZO2AxTE5gTcufkeafGZ3kMOsPGwoM3NlV +umN/CkcsQGte+9iMXapph8U7VAvFIg47kVItQInB3VORPjNq2nKEDkK8SPIb6aPE7 gsV/ja/0S1YKniUdNBeqOy+rE5U2Jf3wBv0ds8jMG7He8oBLs/2yDVe8Xtuz2kMiN0 dXfXUs1k2Rxqg== Received: by jupiter.universe (Postfix, from userid 1000) id 1E591480104; Mon, 9 Oct 2023 19:21:31 +0200 (CEST) From: Sebastian Reichel To: Heiko Stuebner , Greg Kroah-Hartman Cc: Thinh Nguyen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sebastian Reichel , kernel@collabora.com Subject: [PATCH v3 2/3] usb: dwc3: add optional PHY interface clocks Date: Mon, 9 Oct 2023 19:20:10 +0200 Message-ID: <20231009172129.43568-3-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231009172129.43568-1-sebastian.reichel@collabora.com> References: <20231009172129.43568-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231009_102138_790045_D5F4B0D8 X-CRM114-Status: GOOD ( 14.44 ) 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 On Rockchip RK3588 one of the DWC3 cores is integrated weirdly and requires two extra clocks to be enabled. Without these extra clocks hot-plugging USB devices is broken. Signed-off-by: Sebastian Reichel --- drivers/usb/dwc3/core.c | 26 ++++++++++++++++++++++++++ drivers/usb/dwc3/core.h | 4 ++++ 2 files changed, 30 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 9c6bf054f15d..fc60d5f564dd 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -817,8 +817,20 @@ static int dwc3_clk_enable(struct dwc3 *dwc) if (ret) goto disable_ref_clk; + ret = clk_prepare_enable(dwc->utmi_clk); + if (ret) + goto disable_susp_clk; + + ret = clk_prepare_enable(dwc->pipe_clk); + if (ret) + goto disable_utmi_clk; + return 0; +disable_utmi_clk: + clk_disable_unprepare(dwc->utmi_clk); +disable_susp_clk: + clk_disable_unprepare(dwc->susp_clk); disable_ref_clk: clk_disable_unprepare(dwc->ref_clk); disable_bus_clk: @@ -828,6 +840,8 @@ static int dwc3_clk_enable(struct dwc3 *dwc) static void dwc3_clk_disable(struct dwc3 *dwc) { + clk_disable_unprepare(dwc->pipe_clk); + clk_disable_unprepare(dwc->utmi_clk); clk_disable_unprepare(dwc->susp_clk); clk_disable_unprepare(dwc->ref_clk); clk_disable_unprepare(dwc->bus_clk); @@ -1748,6 +1762,18 @@ static int dwc3_get_clocks(struct dwc3 *dwc) } } + dwc->utmi_clk = devm_clk_get_optional(dev, "utmi"); + if (IS_ERR(dwc->utmi_clk)) { + return dev_err_probe(dev, PTR_ERR(dwc->utmi_clk), + "could not get utmi clock\n"); + } + + dwc->pipe_clk = devm_clk_get_optional(dev, "pipe"); + if (IS_ERR(dwc->pipe_clk)) { + return dev_err_probe(dev, PTR_ERR(dwc->pipe_clk), + "could not get pipe clock\n"); + } + return 0; } diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index a69ac67d89fe..f5e6ae6e394e 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -991,6 +991,8 @@ struct dwc3_scratchpad_array { * @bus_clk: clock for accessing the registers * @ref_clk: reference clock * @susp_clk: clock used when the SS phy is in low power (S3) state + * @utmi_clk: clock used for USB2 PHY communication + * @pipe_clk: clock used for USB3 PHY communication * @reset: reset control * @regs: base address for our registers * @regs_size: address space size @@ -1156,6 +1158,8 @@ struct dwc3 { struct clk *bus_clk; struct clk *ref_clk; struct clk *susp_clk; + struct clk *utmi_clk; + struct clk *pipe_clk; struct reset_control *reset; From patchwork Mon Oct 9 17:20:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 13414116 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 23669CD610E for ; Mon, 9 Oct 2023 17:22:09 +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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Mon, 9 Oct 2023 18:21:33 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696872093; bh=UsIbMdBkB63KIT1K+XLIc1aWT6m/RDcXwqMsI3caB1g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j19yWOUR3vQL4YSn4IiVdvJP32EuORB71gqW3LowVX0sDvX+DuCgqPpwK+06T1vcC 060hbsjqpNrgDWc+QPK0NSspPMdhoDEu5Wzjppl0VRgUnc2EZ0IEjZ4hARHapxvBvC yaGwJvhi1kp510oqrMRhxaPkMDBtS5hhH2A960kI9Qe5bT2jhLu0DPRvgfjtqeP8ZI loAOEupY3BLCQjJybVqWgLSU1SC8sLXZxoL3s3s+Aa3xs/4LZO7CwIks369ygu355O pPSzQ32jVCPBj9IO61/k8FrRggjzRQZqkVyo+tZPD6dmm1nw67Majxl1WrIpQUio9I 9gpLXVyhI722Q== Received: by jupiter.universe (Postfix, from userid 1000) id 2067F480105; Mon, 9 Oct 2023 19:21:31 +0200 (CEST) From: Sebastian Reichel To: Heiko Stuebner , Greg Kroah-Hartman Cc: Thinh Nguyen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sebastian Reichel , kernel@collabora.com Subject: [PATCH v3 3/3] arm64: dts: rockchip: rk3588s: Add USB3 host controller Date: Mon, 9 Oct 2023 19:20:11 +0200 Message-ID: <20231009172129.43568-4-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231009172129.43568-1-sebastian.reichel@collabora.com> References: <20231009172129.43568-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231009_102138_769125_1ED47538 X-CRM114-Status: GOOD ( 11.39 ) 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 RK3588 has three USB3 controllers. This adds the host-only controller, which is using the naneng-combphy shared with PCIe and SATA. The other two are dual-role and using a different PHY that is not yet supported upstream. Signed-off-by: Sebastian Reichel --- arch/arm64/boot/dts/rockchip/rk3588s.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi index 5544f66c6ff4..8b4c99b49798 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi @@ -443,6 +443,27 @@ usb_host1_ohci: usb@fc8c0000 { status = "disabled"; }; + usb_host2_xhci: usb@fcd00000 { + compatible = "rockchip,rk3588-dwc3", "snps,dwc3"; + reg = <0x0 0xfcd00000 0x0 0x400000>; + interrupts = ; + clocks = <&cru REF_CLK_USB3OTG2>, <&cru SUSPEND_CLK_USB3OTG2>, + <&cru ACLK_USB3OTG2>, <&cru CLK_UTMI_OTG2>, + <&cru CLK_PIPEPHY2_PIPE_U3_G>; + clock-names = "ref_clk", "suspend_clk", "bus_clk", "utmi", "pipe"; + dr_mode = "host"; + phys = <&combphy2_psu PHY_TYPE_USB3>; + phy-names = "usb3-phy"; + phy_type = "utmi_wide"; + resets = <&cru SRST_A_USB3OTG2>; + snps,dis_enblslpm_quirk; + snps,dis-u2-freeclk-exists-quirk; + snps,dis-del-phy-power-chg-quirk; + snps,dis-tx-ipgap-linecheck-quirk; + snps,dis_rxdet_inp3_quirk; + status = "disabled"; + }; + sys_grf: syscon@fd58c000 { compatible = "rockchip,rk3588-sys-grf", "syscon"; reg = <0x0 0xfd58c000 0x0 0x1000>;