From patchwork Fri Feb 28 19:40:33 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kaustabh Chakraborty X-Patchwork-Id: 13996981 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BAB471F874C; Fri, 28 Feb 2025 19:41:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740771678; cv=none; b=X+wliM1cE+jpHrwaUx+lqz7pLxPXz4lwZ40U9eDtmXZgEv4hJdno6INIhDemQnBndpQ64qbKeiHVwXrfGnzPkiAh3UEGKZRHJAKTEm7H3658Ex9d7fv3jbtqAPDHijrmOsfXqp7kqxi9bdEGVVO5H0XwPmKJaRKyC09SwWUFMDc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740771678; c=relaxed/simple; bh=0gZvk08A4uXW8YubS0cw+KR0q7k/aUDRmlE/RE8l5TU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=oXQBvkZaFnzGwL/AYA46w7etn/48xeEvVwuvQMl8Z0fTLF9Z8gZuaVNTrhJuJJfsZT9K/+X4287p4eMltfChD4XSAB4Wyv04hDOri7xTuSCcb5afk8YNm+JSqJwcYjBN1LkJfsMGyTkQrE+7sWN6vqMP5AKAShDXVLu0qe5g1kY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=PYDpPl9w; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="PYDpPl9w" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 7F25C25B0A; Fri, 28 Feb 2025 20:41:15 +0100 (CET) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id WW11N-AUo2ZJ; Fri, 28 Feb 2025 20:41:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1740771659; bh=0gZvk08A4uXW8YubS0cw+KR0q7k/aUDRmlE/RE8l5TU=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=PYDpPl9wawqHtedO7/Mkent6nhRsqa3gJtOF+cgAs9SN+yZrYAJa9WbcvjGYkFG0e WS2uQShN7uwLlVKS8JP6wNpcqqmEgSea1jWLiM30IM/U9JQcIYGi0MuUq8pk0y2NnI phrOcqf4OMEGM0SnSGdFAJsa5tZV3dLe7FB3k856IcpecLVFtO0mHZ+d0+VwCDRAB8 H7HYehsFMM/2Dv3ssSUTHM+5CeympYW/Vq6VnNE/Y7cxwRSB0h2cqAUv8Buux/kQeW 1kNaq+dPKTbwe2XemEn9Udh1W6/wiRP4zfXeT50iSnt9JrDNxIJjCLfTgibivOIWqt Ae2o4bYcpt+JA== From: Kaustabh Chakraborty Date: Sat, 01 Mar 2025 01:10:33 +0530 Subject: [PATCH v3 1/2] dt-bindings: usb: samsung,exynos-dwc3: add exynos7870 support Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250301-exynos7870-usb-v3-1-f01697165d19@disroot.org> References: <20250301-exynos7870-usb-v3-0-f01697165d19@disroot.org> In-Reply-To: <20250301-exynos7870-usb-v3-0-f01697165d19@disroot.org> To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Thinh Nguyen Cc: Krzysztof Kozlowski , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Kaustabh Chakraborty X-Developer-Signature: v=1; a=ed25519-sha256; t=1740771646; l=2708; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=0gZvk08A4uXW8YubS0cw+KR0q7k/aUDRmlE/RE8l5TU=; b=vWh1dTGJB0Dk6aLitTsvCuVoYsLglWrIpKD72GbNL9Ju8t3FBxDcTEFT7mtMpH5e7OF1TO8S2 zOqxS4fAy9OAi6k/UBNpcRR0Lk5x1uLwHQrRSDnoQZJ5TZvZ3kjZ3Sj X-Developer-Key: i=kauschluss@disroot.org; a=ed25519; pk=h2xeR+V2I1+GrfDPAhZa3M+NWA0Cnbdkkq1bH3ct1hE= Document compatible string for Exynos7870 DWC3-compatible USB 2.0 driver. The devicetree node requires three clocks, named "bus_early", "ref", and "ctrl". Unlike other variants, Exynos7870's USB controller requires a single 3.0V regulator. Assert that the other 1.0V regulator requirement is enforced on variants individually other than Exynos7870's. Signed-off-by: Kaustabh Chakraborty Reviewed-by: Krzysztof Kozlowski --- .../bindings/usb/samsung,exynos-dwc3.yaml | 28 +++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml b/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml index f11e767a8abe1d2fb7faa6d6b5be09970c5c9b37..256bee2a03ca189f360e2b677f101dce25a0f368 100644 --- a/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml @@ -17,6 +17,7 @@ properties: - samsung,exynos5250-dwusb3 - samsung,exynos5433-dwusb3 - samsung,exynos7-dwusb3 + - samsung,exynos7870-dwusb3 - samsung,exynos850-dwusb3 - items: - const: samsung,exynos990-dwusb3 @@ -56,7 +57,6 @@ required: - clock-names - ranges - '#size-cells' - - vdd10-supply - vdd33-supply allOf: @@ -76,6 +76,8 @@ allOf: - const: susp_clk - const: link_aclk - const: link_pclk + required: + - vdd10-supply - if: properties: @@ -90,6 +92,8 @@ allOf: clock-names: items: - const: usbdrd30 + required: + - vdd10-supply - if: properties: @@ -107,6 +111,8 @@ allOf: - const: susp_clk - const: phyclk - const: pipe_pclk + required: + - vdd10-supply - if: properties: @@ -123,6 +129,24 @@ allOf: - const: usbdrd30 - const: usbdrd30_susp_clk - const: usbdrd30_axius_clk + required: + - vdd10-supply + + - if: + properties: + compatible: + contains: + const: samsung,exynos7870-dwusb3 + then: + properties: + clocks: + minItems: 3 + maxItems: 3 + clock-names: + items: + - const: bus_early + - const: ref + - const: ctrl - if: properties: @@ -138,6 +162,8 @@ allOf: items: - const: bus_early - const: ref + required: + - vdd10-supply additionalProperties: false From patchwork Fri Feb 28 19:40:34 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kaustabh Chakraborty X-Patchwork-Id: 13996982 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3ED32230BE0; Fri, 28 Feb 2025 19:41:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740771682; cv=none; b=eBymowVvuE/wq0Zv9kQcukZM06ifur+IbrQ4MgUH2TCt+rhFr6PbTK895NgFv6EWvvwElfMxpaUZ6sy0ECg9njI6OOtGlVhClLPiNVyas9UTObHNsl5EVsoeEhs4AIUUf+gKxE1chHCxJX8jYwARfdpIjt96/Q9QzbRJq6zJjAk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740771682; c=relaxed/simple; bh=BiBigTqt8TxXxiRZ0NYHm86L7pUNCmwu0CPsw+p8UqU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; 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Fri, 28 Feb 2025 20:41:15 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1740771666; bh=BiBigTqt8TxXxiRZ0NYHm86L7pUNCmwu0CPsw+p8UqU=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=R5T1sqaeEwRSA3aKrXdM6bg0s9JriYy5R1fmUMz2JZlyaZbmuJKsEB/TRAUQNtEXD OST4sZojIjlkefktL7Z+LiMtZz2fRUYTVItKcsVFJ/ekh8z46A0KvweRsHvEaFbiAN xtlSDQEb0KxhwzXR0ibh8opBFhCjvlVba7+0THhIEPKDNlOvaBpV/+rMlX9Ya7DRmP d+XAlh+xxwru+M+QksmAFiLfQQsspdoNnMEI0OyPdnyo3vTphKdASXR35XqjxJC+aL dqgPdHOmbQdARUzTbrPaOrDJPNk/9C/VyMCFtVgJr3qwuA2yemdcgr0NsHzl65oFaW HxHpmwfDLA/sw== From: Kaustabh Chakraborty Date: Sat, 01 Mar 2025 01:10:34 +0530 Subject: [PATCH v3 2/2] usb: dwc3: exynos: add support for exynos7870 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250301-exynos7870-usb-v3-2-f01697165d19@disroot.org> References: <20250301-exynos7870-usb-v3-0-f01697165d19@disroot.org> In-Reply-To: <20250301-exynos7870-usb-v3-0-f01697165d19@disroot.org> To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Thinh Nguyen Cc: Krzysztof Kozlowski , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Kaustabh Chakraborty X-Developer-Signature: v=1; a=ed25519-sha256; t=1740771646; l=1481; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=BiBigTqt8TxXxiRZ0NYHm86L7pUNCmwu0CPsw+p8UqU=; b=l0L0dn1tIo7hFnxq4a00quf2NREVzikRU26jic1aXw3waKV/qaUPKdq5+/xCNMIeGD/ZfQuia ba9V6DJBF4BAZ+QMRMtQJDTOZmiR9ChOCiPYMKl/N/0fLEj3HrMcB4g X-Developer-Key: i=kauschluss@disroot.org; a=ed25519; pk=h2xeR+V2I1+GrfDPAhZa3M+NWA0Cnbdkkq1bH3ct1hE= Exynos7870 devices have a DWC3 compatible USB 2.0 controller. Add support in the driver by: - Adding its own compatible string, "samsung,exynos7870-dwusb3". - Adding three USBDRD clocks named "bus_early", "ref", and "ctrl", to be controlled by the driver. Signed-off-by: Kaustabh Chakraborty Acked-by: Thinh Nguyen Reviewed-by: Krzysztof Kozlowski --- drivers/usb/dwc3/dwc3-exynos.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index f5d963fae9e069e1bd145ff5bd1b704da89fb74c..de686b9e64046be12e52c87d80282558ac5b5f52 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -163,6 +163,12 @@ static const struct dwc3_exynos_driverdata exynos7_drvdata = { .suspend_clk_idx = 1, }; +static const struct dwc3_exynos_driverdata exynos7870_drvdata = { + .clk_names = { "bus_early", "ref", "ctrl" }, + .num_clks = 3, + .suspend_clk_idx = -1, +}; + static const struct dwc3_exynos_driverdata exynos850_drvdata = { .clk_names = { "bus_early", "ref" }, .num_clks = 2, @@ -185,6 +191,9 @@ static const struct of_device_id exynos_dwc3_match[] = { }, { .compatible = "samsung,exynos7-dwusb3", .data = &exynos7_drvdata, + }, { + .compatible = "samsung,exynos7870-dwusb3", + .data = &exynos7870_drvdata, }, { .compatible = "samsung,exynos850-dwusb3", .data = &exynos850_drvdata,