From patchwork Tue Oct 19 23:58:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 12571407 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 65E9CC433F5 for ; Wed, 20 Oct 2021 00:01:21 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 3378261004 for ; Wed, 20 Oct 2021 00:01:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3378261004 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id: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=PintxhinBvrfz5dBVBu7/vu1GW37MLz6P7HCr7cCEyA=; b=eHfmvgiClRNp5q Yi4PpRnURwuo/XKsSk2i4IQuxAUTPxLsgmUlM75EOXTKy3XTl4EXVkrk4fd72lvDeQ7fbapuojxm1 lXwbc5BqI+zC6Pay3Ik4200hCLY/O0dtYI1RPP48SxUAHYc2e/nhGOIBre6+b8MQ+R/ljBB+sZ7Sm fvtW78h8qbHO3Gy02GKmJCu2FcjLf/0xqFlARXBZFgZOANkNt9j8wXqt6dozFD8kCdMszA+w05nZK GdX6TnNYGoEJbpv5QryDLObC3V3R99MG7wsq2CjFMmeJdCp2IyT4Oh7nTyeK9oqJf4fVaqROidhEp mepBnoMh9XXzZMhyD3mQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcz10-0030BO-UT; Tue, 19 Oct 2021 23:59:31 +0000 Received: from mx.socionext.com ([202.248.49.38]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcz08-002zoS-Tk; Tue, 19 Oct 2021 23:58:38 +0000 Received: from unknown (HELO iyokan2-ex.css.socionext.com) ([172.31.9.54]) by mx.socionext.com with ESMTP; 20 Oct 2021 08:58:32 +0900 Received: from mail.mfilter.local (m-filter-2 [10.213.24.62]) by iyokan2-ex.css.socionext.com (Postfix) with ESMTP id F16C1206E704; Wed, 20 Oct 2021 08:58:31 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Wed, 20 Oct 2021 08:58:31 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id 20DF4B62E0; Wed, 20 Oct 2021 08:58:31 +0900 (JST) From: Kunihiko Hayashi To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Masami Hiramatsu Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v2 1/8] dt-bindings: phy: uniphier-usb3: Add bindings for NX1 SoC Date: Wed, 20 Oct 2021 08:58:01 +0900 Message-Id: <1634687888-23900-2-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_165837_144944_E3BCF2E6 X-CRM114-Status: GOOD ( 11.99 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Update USB3-PHY binding document for UniPhier NX1 SoC. Add SS-PHY and HS-PHY compatible strings for the SoC to the document. Signed-off-by: Kunihiko Hayashi Acked-by: Rob Herring --- Documentation/devicetree/bindings/phy/socionext,uniphier-usb3hs-phy.yaml | 1 + Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml | 1 + 2 files changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3hs-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3hs-phy.yaml index a681cbc3b4ef..33946efcac5e 100644 --- a/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3hs-phy.yaml +++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3hs-phy.yaml @@ -22,6 +22,7 @@ properties: - socionext,uniphier-pxs2-usb3-hsphy - socionext,uniphier-ld20-usb3-hsphy - socionext,uniphier-pxs3-usb3-hsphy + - socionext,uniphier-nx1-usb3-hsphy reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml index 41c0dd68ee25..92d46eb913a3 100644 --- a/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml +++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml @@ -23,6 +23,7 @@ properties: - socionext,uniphier-pxs2-usb3-ssphy - socionext,uniphier-ld20-usb3-ssphy - socionext,uniphier-pxs3-usb3-ssphy + - socionext,uniphier-nx1-usb3-ssphy reg: maxItems: 1 From patchwork Tue Oct 19 23:58:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 12571399 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90F4FC433EF for ; Wed, 20 Oct 2021 00:00:24 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6411660FC3 for ; Wed, 20 Oct 2021 00:00:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6411660FC3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; 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Tue, 19 Oct 2021 23:58:36 +0000 Received: from unknown (HELO iyokan2-ex.css.socionext.com) ([172.31.9.54]) by mx.socionext.com with ESMTP; 20 Oct 2021 08:58:32 +0900 Received: from mail.mfilter.local (m-filter-2 [10.213.24.62]) by iyokan2-ex.css.socionext.com (Postfix) with ESMTP id EDBA7206E701; Wed, 20 Oct 2021 08:58:31 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Wed, 20 Oct 2021 08:58:31 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id 4E2E7B62AC; Wed, 20 Oct 2021 08:58:31 +0900 (JST) From: Kunihiko Hayashi To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Masami Hiramatsu Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v2 2/8] phy: uniphier-usb3: Add compatible string for NX1 SoC Date: Wed, 20 Oct 2021 08:58:02 +0900 Message-Id: <1634687888-23900-3-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_165834_973642_B899A542 X-CRM114-Status: GOOD ( 13.52 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add basic support for UniPhier NX1 SoC. This includes a compatible string and the same SoC-dependent data as LD20/PXs3 SoCs. Signed-off-by: Kunihiko Hayashi --- drivers/phy/socionext/phy-uniphier-usb3hs.c | 4 ++++ drivers/phy/socionext/phy-uniphier-usb3ss.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/drivers/phy/socionext/phy-uniphier-usb3hs.c b/drivers/phy/socionext/phy-uniphier-usb3hs.c index a9bc74121f38..8c8673df0084 100644 --- a/drivers/phy/socionext/phy-uniphier-usb3hs.c +++ b/drivers/phy/socionext/phy-uniphier-usb3hs.c @@ -447,6 +447,10 @@ static const struct of_device_id uniphier_u3hsphy_match[] = { .compatible = "socionext,uniphier-pxs3-usb3-hsphy", .data = &uniphier_pxs3_data, }, + { + .compatible = "socionext,uniphier-nx1-usb3-hsphy", + .data = &uniphier_pxs3_data, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, uniphier_u3hsphy_match); diff --git a/drivers/phy/socionext/phy-uniphier-usb3ss.c b/drivers/phy/socionext/phy-uniphier-usb3ss.c index 6700645bcbe6..7ce611c2088b 100644 --- a/drivers/phy/socionext/phy-uniphier-usb3ss.c +++ b/drivers/phy/socionext/phy-uniphier-usb3ss.c @@ -328,6 +328,10 @@ static const struct of_device_id uniphier_u3ssphy_match[] = { .compatible = "socionext,uniphier-pxs3-usb3-ssphy", .data = &uniphier_ld20_data, }, + { + .compatible = "socionext,uniphier-nx1-usb3-ssphy", + .data = &uniphier_ld20_data, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, uniphier_u3ssphy_match); From patchwork Tue Oct 19 23:58:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 12571401 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78BD4C433F5 for ; Wed, 20 Oct 2021 00:00:50 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 490A261004 for ; Wed, 20 Oct 2021 00:00:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 490A261004 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: mail.kernel.org; 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Tue, 19 Oct 2021 23:59:03 +0000 Received: from mx.socionext.com ([202.248.49.38]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcz07-002zog-4g; Tue, 19 Oct 2021 23:58:37 +0000 Received: from unknown (HELO kinkan2-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 20 Oct 2021 08:58:32 +0900 Received: from mail.mfilter.local (m-filter-2 [10.213.24.62]) by kinkan2-ex.css.socionext.com (Postfix) with ESMTP id F1286206E701; Wed, 20 Oct 2021 08:58:31 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Wed, 20 Oct 2021 08:58:31 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id 7E52FB6330; Wed, 20 Oct 2021 08:58:31 +0900 (JST) From: Kunihiko Hayashi To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Masami Hiramatsu Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v2 3/8] dt-bindings: phy: uniphier-pcie: Add bindings for NX1 SoC Date: Wed, 20 Oct 2021 08:58:03 +0900 Message-Id: <1634687888-23900-4-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_165835_314847_C7B87815 X-CRM114-Status: GOOD ( 11.98 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Update PCIe-PHY binding document for UniPhier NX1 SoC. Add a compatible string for the SoC to the document. Signed-off-by: Kunihiko Hayashi Acked-by: Rob Herring --- Documentation/devicetree/bindings/phy/socionext,uniphier-pcie-phy.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-pcie-phy.yaml index 3e0566899041..fbb71d6dd531 100644 --- a/Documentation/devicetree/bindings/phy/socionext,uniphier-pcie-phy.yaml +++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-pcie-phy.yaml @@ -19,6 +19,7 @@ properties: - socionext,uniphier-pro5-pcie-phy - socionext,uniphier-ld20-pcie-phy - socionext,uniphier-pxs3-pcie-phy + - socionext,uniphier-nx1-pcie-phy reg: maxItems: 1 From patchwork Tue Oct 19 23:58:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 12571411 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66CB5C433F5 for ; Wed, 20 Oct 2021 00:01:37 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 3237960FC3 for ; Wed, 20 Oct 2021 00:01:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3237960FC3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id: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=RmanoqjZAg69QUyVZHi6uaFvNYIokKwaWGHtaqslYRo=; b=PNQwGaWnG84CJ/ HITKJm6bldJmg1E3ht5hrFBdyRSVTg2ZAch2FxTMaU7xSr8Xe2ylaoZQruMSsybcKIDW92EU+QGYv t2OFutcUT2KmcE2u1AUu4GoLF8EpkqPvj6G0VaqTUOMaib+1g+t737dp4HQ+RN5pQpkZlQMaFX9Ea f8+RzYs//Lyl7/vETtUUJhg4avAvQTfP5O76cHLfjO/SlanzC6UHDZWUrzxhBXhiCqymu4DX2e+V1 vNjbF+yYAg2jDky+gROtTd44Nb4VmMhsJM0ejNsZ4RHhh0QCPhz/YkzroSAyoI5lhT5BZN9dx3QTP 29PPZdFtCepn4+zGfrVw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcz1j-0030Xy-9M; Wed, 20 Oct 2021 00:00:15 +0000 Received: from mx.socionext.com ([202.248.49.38]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcz09-002zqB-JP; Tue, 19 Oct 2021 23:58:39 +0000 Received: from unknown (HELO kinkan2-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 20 Oct 2021 08:58:32 +0900 Received: from mail.mfilter.local (m-filter-2 [10.213.24.62]) by kinkan2-ex.css.socionext.com (Postfix) with ESMTP id 7A8C2206E704; Wed, 20 Oct 2021 08:58:32 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Wed, 20 Oct 2021 08:58:32 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id B5C49B62AC; Wed, 20 Oct 2021 08:58:31 +0900 (JST) From: Kunihiko Hayashi To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Masami Hiramatsu Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v2 4/8] phy: uniphier-pcie: Add compatible string and SoC-dependent data for NX1 SoC Date: Wed, 20 Oct 2021 08:58:04 +0900 Message-Id: <1634687888-23900-5-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_165837_796675_EE3288F9 X-CRM114-Status: GOOD ( 15.79 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add basic support for UniPhier NX1 SoC. This includes a compatible string, SoC-dependent data, and a function that set to 2-lane mode. Signed-off-by: Kunihiko Hayashi --- drivers/phy/socionext/phy-uniphier-pcie.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/phy/socionext/phy-uniphier-pcie.c b/drivers/phy/socionext/phy-uniphier-pcie.c index 6bdbd1f214dd..fde8aac5f4b6 100644 --- a/drivers/phy/socionext/phy-uniphier-pcie.c +++ b/drivers/phy/socionext/phy-uniphier-pcie.c @@ -39,6 +39,10 @@ #define SG_USBPCIESEL 0x590 #define SG_USBPCIESEL_PCIE BIT(0) +/* SC */ +#define SC_US3SRCSEL 0x2244 +#define SC_US3SRCSEL_2LANE GENMASK(9, 8) + #define PCL_PHY_R00 0 #define RX_EQ_ADJ_EN BIT(3) /* enable for EQ adjustment */ #define PCL_PHY_R06 6 @@ -261,6 +265,12 @@ static void uniphier_pciephy_ld20_setmode(struct regmap *regmap) SG_USBPCIESEL_PCIE, SG_USBPCIESEL_PCIE); } +static void uniphier_pciephy_nx1_setmode(struct regmap *regmap) +{ + regmap_update_bits(regmap, SC_US3SRCSEL, + SC_US3SRCSEL_2LANE, SC_US3SRCSEL_2LANE); +} + static const struct uniphier_pciephy_soc_data uniphier_pro5_data = { .is_legacy = true, }; @@ -274,6 +284,11 @@ static const struct uniphier_pciephy_soc_data uniphier_pxs3_data = { .is_legacy = false, }; +static const struct uniphier_pciephy_soc_data uniphier_nx1_data = { + .is_legacy = false, + .set_phymode = uniphier_pciephy_nx1_setmode, +}; + static const struct of_device_id uniphier_pciephy_match[] = { { .compatible = "socionext,uniphier-pro5-pcie-phy", @@ -287,6 +302,10 @@ static const struct of_device_id uniphier_pciephy_match[] = { .compatible = "socionext,uniphier-pxs3-pcie-phy", .data = &uniphier_pxs3_data, }, + { + .compatible = "socionext,uniphier-nx1-pcie-phy", + .data = &uniphier_nx1_data, + }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, uniphier_pciephy_match); From patchwork Tue Oct 19 23:58:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 12571403 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AEB73C433EF for ; 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Wed, 20 Oct 2021 08:58:32 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Wed, 20 Oct 2021 08:58:32 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id 23D7BB62E0; Wed, 20 Oct 2021 08:58:32 +0900 (JST) From: Kunihiko Hayashi To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Masami Hiramatsu Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v2 5/8] phy: uniphier-pcie: Set VCOPLL clamp mode in PHY register Date: Wed, 20 Oct 2021 08:58:05 +0900 Message-Id: <1634687888-23900-6-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_165837_090858_D3B4583B X-CRM114-Status: GOOD ( 12.26 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Set VCOPLL clamp mode to mode 0 to avoid hardware unstable issue. Signed-off-by: Kunihiko Hayashi --- drivers/phy/socionext/phy-uniphier-pcie.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/phy/socionext/phy-uniphier-pcie.c b/drivers/phy/socionext/phy-uniphier-pcie.c index fde8aac5f4b6..2bd8df619712 100644 --- a/drivers/phy/socionext/phy-uniphier-pcie.c +++ b/drivers/phy/socionext/phy-uniphier-pcie.c @@ -51,6 +51,9 @@ #define PCL_PHY_R26 26 #define VCO_CTRL GENMASK(7, 4) /* Tx VCO adjustment value */ #define VCO_CTRL_INIT_VAL 5 +#define PCL_PHY_R28 28 +#define VCOPLL_CLMP GENMASK(3, 2) /* Tx VCOPLL clamp mode */ +#define VCOPLL_CLMP_VAL 0 struct uniphier_pciephy_priv { void __iomem *base; @@ -158,6 +161,8 @@ static int uniphier_pciephy_init(struct phy *phy) FIELD_PREP(RX_EQ_ADJ, RX_EQ_ADJ_VAL)); uniphier_pciephy_set_param(priv, PCL_PHY_R26, VCO_CTRL, FIELD_PREP(VCO_CTRL, VCO_CTRL_INIT_VAL)); + uniphier_pciephy_set_param(priv, PCL_PHY_R28, VCOPLL_CLMP, + FIELD_PREP(VCOPLL_CLMP, VCOPLL_CLMP_VAL)); usleep_range(1, 10); uniphier_pciephy_deassert(priv); From patchwork Tue Oct 19 23:58:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 12571409 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04EA5C433EF for ; Wed, 20 Oct 2021 00:01:29 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B9E8660FC3 for ; Wed, 20 Oct 2021 00:01:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B9E8660FC3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id: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=eAcuoq+nTJJrp5gcnXhRuihhUmQzzrea1ayIP/Wk2Fo=; b=Y4Vl5cmb0T9NEv Sr4r6b6FvFXCpSeXwxcM/DJuPbkOaSWt+BAZVWdaB43Jt2066YzZRTfVuvWcg3do/oKg5QRdcQlLw fS131bvHSd02z4q/YtGujc4nFzuCLPxjOSqVBECdRnPzh0EWXHEXxx71D7oDXcMt7/jHkb3Emg3SQ CKSt3uL1Eo5XJeS0/O4WHZy8v093unG+xR2POrzxkGDDbh/edA/2haXxHItVD/UDwigAgDrHRptMJ VUGqI1EpbrDyBJAMUi3kadC0qzQNy39ZtTuXV1Y3puiFOYHGOpk2t9rj0HCKsyp6fveK7w98vMv6B B76X3ULuuloru/ztXX3g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcz1D-0030Gg-ID; Tue, 19 Oct 2021 23:59:43 +0000 Received: from mx.socionext.com ([202.248.49.38]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcz09-002zqC-C0; Tue, 19 Oct 2021 23:58:39 +0000 Received: from unknown (HELO kinkan2-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 20 Oct 2021 08:58:32 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by kinkan2-ex.css.socionext.com (Postfix) with ESMTP id B4A75206E701; Wed, 20 Oct 2021 08:58:32 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Wed, 20 Oct 2021 08:58:32 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id 5ACE3B62AC; Wed, 20 Oct 2021 08:58:32 +0900 (JST) From: Kunihiko Hayashi To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Masami Hiramatsu Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v2 6/8] phy: uniphier-pcie: Add dual-phy support for NX1 SoC Date: Wed, 20 Oct 2021 08:58:06 +0900 Message-Id: <1634687888-23900-7-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_165837_580042_9EE02360 X-CRM114-Status: GOOD ( 18.05 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org NX1 SoC supports 2 lanes and has dual-phy. Should set appropriate configuration values to both PHY registers. Signed-off-by: Kunihiko Hayashi --- drivers/phy/socionext/phy-uniphier-pcie.c | 48 ++++++++++++++++++++++--------- 1 file changed, 34 insertions(+), 14 deletions(-) diff --git a/drivers/phy/socionext/phy-uniphier-pcie.c b/drivers/phy/socionext/phy-uniphier-pcie.c index 2bd8df619712..ebca296ef123 100644 --- a/drivers/phy/socionext/phy-uniphier-pcie.c +++ b/drivers/phy/socionext/phy-uniphier-pcie.c @@ -27,6 +27,7 @@ #define TESTI_DAT_MASK GENMASK(13, 6) #define TESTI_ADR_MASK GENMASK(5, 1) #define TESTI_WR_EN BIT(0) +#define TESTIO_PHY_SHIFT 16 #define PCL_PHY_TEST_O 0x2004 #define TESTO_DAT_MASK GENMASK(7, 0) @@ -65,43 +66,57 @@ struct uniphier_pciephy_priv { struct uniphier_pciephy_soc_data { bool is_legacy; + bool is_dual_phy; void (*set_phymode)(struct regmap *regmap); }; static void uniphier_pciephy_testio_write(struct uniphier_pciephy_priv *priv, - u32 data) + int id, u32 data) { + if (id) + data <<= TESTIO_PHY_SHIFT; + /* need to read TESTO twice after accessing TESTI */ writel(data, priv->base + PCL_PHY_TEST_I); readl(priv->base + PCL_PHY_TEST_O); readl(priv->base + PCL_PHY_TEST_O); } +static u32 uniphier_pciephy_testio_read(struct uniphier_pciephy_priv *priv, int id) +{ + u32 val = readl(priv->base + PCL_PHY_TEST_O); + + if (id) + val >>= TESTIO_PHY_SHIFT; + + return val & TESTO_DAT_MASK; +} + static void uniphier_pciephy_set_param(struct uniphier_pciephy_priv *priv, - u32 reg, u32 mask, u32 param) + int id, u32 reg, u32 mask, u32 param) { u32 val; /* read previous data */ val = FIELD_PREP(TESTI_DAT_MASK, 1); val |= FIELD_PREP(TESTI_ADR_MASK, reg); - uniphier_pciephy_testio_write(priv, val); - val = readl(priv->base + PCL_PHY_TEST_O) & TESTO_DAT_MASK; + uniphier_pciephy_testio_write(priv, id, val); + val = uniphier_pciephy_testio_read(priv, id); /* update value */ val &= ~mask; val |= mask & param; val = FIELD_PREP(TESTI_DAT_MASK, val); val |= FIELD_PREP(TESTI_ADR_MASK, reg); - uniphier_pciephy_testio_write(priv, val); - uniphier_pciephy_testio_write(priv, val | TESTI_WR_EN); - uniphier_pciephy_testio_write(priv, val); + uniphier_pciephy_testio_write(priv, id, val); + uniphier_pciephy_testio_write(priv, id, val | TESTI_WR_EN); + uniphier_pciephy_testio_write(priv, id, val); /* read current data as dummy */ val = FIELD_PREP(TESTI_DAT_MASK, 1); val |= FIELD_PREP(TESTI_ADR_MASK, reg); - uniphier_pciephy_testio_write(priv, val); - readl(priv->base + PCL_PHY_TEST_O); + uniphier_pciephy_testio_write(priv, id, val); + uniphier_pciephy_testio_read(priv, id); } static void uniphier_pciephy_assert(struct uniphier_pciephy_priv *priv) @@ -127,7 +142,7 @@ static int uniphier_pciephy_init(struct phy *phy) { struct uniphier_pciephy_priv *priv = phy_get_drvdata(phy); u32 val; - int ret; + int ret, id; ret = clk_prepare_enable(priv->clk); if (ret) @@ -155,14 +170,16 @@ static int uniphier_pciephy_init(struct phy *phy) if (priv->data->is_legacy) return 0; - uniphier_pciephy_set_param(priv, PCL_PHY_R00, + for (id = 0; id < (priv->data->is_dual_phy ? 2 : 1); id++) { + uniphier_pciephy_set_param(priv, id, PCL_PHY_R00, RX_EQ_ADJ_EN, RX_EQ_ADJ_EN); - uniphier_pciephy_set_param(priv, PCL_PHY_R06, RX_EQ_ADJ, + uniphier_pciephy_set_param(priv, id, PCL_PHY_R06, RX_EQ_ADJ, FIELD_PREP(RX_EQ_ADJ, RX_EQ_ADJ_VAL)); - uniphier_pciephy_set_param(priv, PCL_PHY_R26, VCO_CTRL, + uniphier_pciephy_set_param(priv, id, PCL_PHY_R26, VCO_CTRL, FIELD_PREP(VCO_CTRL, VCO_CTRL_INIT_VAL)); - uniphier_pciephy_set_param(priv, PCL_PHY_R28, VCOPLL_CLMP, + uniphier_pciephy_set_param(priv, id, PCL_PHY_R28, VCOPLL_CLMP, FIELD_PREP(VCOPLL_CLMP, VCOPLL_CLMP_VAL)); + } usleep_range(1, 10); uniphier_pciephy_deassert(priv); @@ -282,15 +299,18 @@ static const struct uniphier_pciephy_soc_data uniphier_pro5_data = { static const struct uniphier_pciephy_soc_data uniphier_ld20_data = { .is_legacy = false, + .is_dual_phy = false, .set_phymode = uniphier_pciephy_ld20_setmode, }; static const struct uniphier_pciephy_soc_data uniphier_pxs3_data = { .is_legacy = false, + .is_dual_phy = false, }; static const struct uniphier_pciephy_soc_data uniphier_nx1_data = { .is_legacy = false, + .is_dual_phy = true, .set_phymode = uniphier_pciephy_nx1_setmode, }; 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Tue, 19 Oct 2021 23:58:39 +0000 Received: from unknown (HELO iyokan2-ex.css.socionext.com) ([172.31.9.54]) by mx.socionext.com with ESMTP; 20 Oct 2021 08:58:33 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by iyokan2-ex.css.socionext.com (Postfix) with ESMTP id 6EF81206E701; Wed, 20 Oct 2021 08:58:33 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Wed, 20 Oct 2021 08:58:33 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id 887FDB62E0; Wed, 20 Oct 2021 08:58:32 +0900 (JST) From: Kunihiko Hayashi To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Masami Hiramatsu Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v2 7/8] dt-bindings: phy: uniphier-ahci: Add bindings for Pro4 SoC Date: Wed, 20 Oct 2021 08:58:07 +0900 Message-Id: <1634687888-23900-8-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_165838_292233_8CBA2A15 X-CRM114-Status: GOOD ( 10.47 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Update AHCI-PHY binding document for UniPhier Pro4 SoC. Add a compatible string, clock and reset lines for the SoC to the document. Pro4 AHCI-PHY needs to control additional GIO clock line and reset lines ("pm", "tx", and "rx"). Signed-off-by: Kunihiko Hayashi --- .../bindings/phy/socionext,uniphier-ahci-phy.yaml | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml index 745c525ce6b9..67415f7ebe8c 100644 --- a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml +++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml @@ -16,6 +16,7 @@ maintainers: properties: compatible: enum: + - socionext,uniphier-pro4-ahci-phy - socionext,uniphier-pxs2-ahci-phy - socionext,uniphier-pxs3-ahci-phy @@ -30,6 +31,9 @@ properties: clock-names: oneOf: + - items: # for Pro4 + - const: gio + - const: link - items: # for PXs2 - const: link - items: # for others @@ -37,12 +41,20 @@ properties: - const: phy resets: - maxItems: 2 + minItems: 2 + maxItems: 5 reset-names: - items: - - const: link - - const: phy + oneOf: + - items: # for Pro4 + - const: gio + - const: link + - const: pm + - const: tx + - const: rx + - items: # for others + - const: link + - const: phy required: - compatible From patchwork Tue Oct 19 23:58:08 2021 Content-Type: text/plain; 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Tue, 19 Oct 2021 23:58:41 +0000 Received: from unknown (HELO kinkan2-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 20 Oct 2021 08:58:33 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by kinkan2-ex.css.socionext.com (Postfix) with ESMTP id 40BD2206E701; Wed, 20 Oct 2021 08:58:33 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Wed, 20 Oct 2021 08:58:33 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id B4510B62AC; Wed, 20 Oct 2021 08:58:32 +0900 (JST) From: Kunihiko Hayashi To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Masami Hiramatsu Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v2 8/8] phy: uniphier-ahci: Add support for Pro4 SoC Date: Wed, 20 Oct 2021 08:58:08 +0900 Message-Id: <1634687888-23900-9-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1634687888-23900-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_165839_188773_C1EB0D67 X-CRM114-Status: GOOD ( 22.49 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for PHY interface built into ahci controller implemented in UniPhier Pro4 SoC. Pro4 SoC distinguishes it from other SoCs as "legacy" SoC, which has GIO clock line. And Pro4 AHCI-PHY needs to control additional reset lines ("pm", "tx", and "rx"). Signed-off-by: Kunihiko Hayashi --- drivers/phy/socionext/Kconfig | 2 +- drivers/phy/socionext/phy-uniphier-ahci.c | 201 +++++++++++++++++++++++++++++- 2 files changed, 198 insertions(+), 5 deletions(-) diff --git a/drivers/phy/socionext/Kconfig b/drivers/phy/socionext/Kconfig index a3970e0f89da..8ae644756352 100644 --- a/drivers/phy/socionext/Kconfig +++ b/drivers/phy/socionext/Kconfig @@ -43,4 +43,4 @@ config PHY_UNIPHIER_AHCI select GENERIC_PHY help Enable this to support PHY implemented in AHCI controller - on UniPhier SoCs. This driver supports PXs2 and PXs3 SoCs. + on UniPhier SoCs. This driver supports Pro4, PXs2 and PXs3 SoCs. diff --git a/drivers/phy/socionext/phy-uniphier-ahci.c b/drivers/phy/socionext/phy-uniphier-ahci.c index 7427c40bf4ae..28cf3efe0695 100644 --- a/drivers/phy/socionext/phy-uniphier-ahci.c +++ b/drivers/phy/socionext/phy-uniphier-ahci.c @@ -19,8 +19,9 @@ struct uniphier_ahciphy_priv { struct device *dev; void __iomem *base; - struct clk *clk, *clk_parent; - struct reset_control *rst, *rst_parent; + struct clk *clk, *clk_parent, *clk_parent_gio; + struct reset_control *rst, *rst_parent, *rst_parent_gio; + struct reset_control *rst_pm, *rst_tx, *rst_rx; const struct uniphier_ahciphy_soc_data *data; }; @@ -28,10 +29,30 @@ struct uniphier_ahciphy_soc_data { int (*init)(struct uniphier_ahciphy_priv *priv); int (*power_on)(struct uniphier_ahciphy_priv *priv); int (*power_off)(struct uniphier_ahciphy_priv *priv); + bool is_legacy; bool is_ready_high; bool is_phy_clk; }; +/* for Pro4 */ +#define CKCTRL0 0x0 +#define CKCTRL0_CK_OFF BIT(9) +#define CKCTRL0_NCY_MASK GENMASK(8, 4) +#define CKCTRL0_NCY5_MASK GENMASK(3, 2) +#define CKCTRL0_PRESCALE_MASK GENMASK(1, 0) +#define CKCTRL1 0x4 +#define CKCTRL1_LOS_LVL_MASK GENMASK(20, 16) +#define CKCTRL1_TX_LVL_MASK GENMASK(12, 8) +#define RXTXCTRL 0x8 +#define RXTXCTRL_RX_EQ_VALL_MASK GENMASK(31, 29) +#define RXTXCTRL_RX_DPLL_MODE_MASK GENMASK(28, 26) +#define RXTXCTRL_TX_ATTEN_MASK GENMASK(14, 12) +#define RXTXCTRL_TX_BOOST_MASK GENMASK(11, 8) +#define RXTXCTRL_TX_EDGERATE_MASK GENMASK(3, 2) +#define RXTXCTRL_TX_CKO_EN BIT(0) +#define RSTPWR 0x30 +#define RSTPWR_RX_EN_VAL BIT(18) + /* for PXs2/PXs3 */ #define CKCTRL 0x0 #define CKCTRL_P0_READY BIT(15) @@ -50,6 +71,128 @@ struct uniphier_ahciphy_soc_data { #define RXCTRL_LOS_BIAS_MASK GENMASK(10, 8) #define RXCTRL_RX_EQ_MASK GENMASK(2, 0) +static int uniphier_ahciphy_pro4_init(struct uniphier_ahciphy_priv *priv) +{ + u32 val; + + /* set phy MPLL parameters */ + val = readl(priv->base + CKCTRL0); + val &= ~CKCTRL0_NCY_MASK; + val |= FIELD_PREP(CKCTRL0_NCY_MASK, 0x6); + val &= ~CKCTRL0_NCY5_MASK; + val |= FIELD_PREP(CKCTRL0_NCY5_MASK, 0x2); + val &= ~CKCTRL0_PRESCALE_MASK; + val |= FIELD_PREP(CKCTRL0_PRESCALE_MASK, 0x1); + writel(val, priv->base + CKCTRL0); + + /* setup phy control parameters */ + val = readl(priv->base + CKCTRL1); + val &= ~CKCTRL1_LOS_LVL_MASK; + val |= FIELD_PREP(CKCTRL1_LOS_LVL_MASK, 0x10); + val &= ~CKCTRL1_TX_LVL_MASK; + val |= FIELD_PREP(CKCTRL1_TX_LVL_MASK, 0x06); + writel(val, priv->base + CKCTRL1); + + val = readl(priv->base + RXTXCTRL); + val &= ~RXTXCTRL_RX_EQ_VALL_MASK; + val |= FIELD_PREP(RXTXCTRL_RX_EQ_VALL_MASK, 0x6); + val &= ~RXTXCTRL_RX_DPLL_MODE_MASK; + val |= FIELD_PREP(RXTXCTRL_RX_DPLL_MODE_MASK, 0x3); + val &= ~RXTXCTRL_TX_ATTEN_MASK; + val |= FIELD_PREP(RXTXCTRL_TX_ATTEN_MASK, 0x3); + val &= ~RXTXCTRL_TX_BOOST_MASK; + val |= FIELD_PREP(RXTXCTRL_TX_BOOST_MASK, 0x5); + val &= ~RXTXCTRL_TX_EDGERATE_MASK; + val |= FIELD_PREP(RXTXCTRL_TX_EDGERATE_MASK, 0x0); + writel(val, priv->base + RXTXCTRL); + + return 0; +} + +static int uniphier_ahciphy_pro4_power_on(struct uniphier_ahciphy_priv *priv) +{ + u32 val; + int ret; + + /* enable reference clock for phy */ + val = readl(priv->base + CKCTRL0); + val &= ~CKCTRL0_CK_OFF; + writel(val, priv->base + CKCTRL0); + + /* enable TX clock */ + val = readl(priv->base + RXTXCTRL); + val |= RXTXCTRL_TX_CKO_EN; + writel(val, priv->base + RXTXCTRL); + + /* wait until RX is ready */ + ret = readl_poll_timeout(priv->base + RSTPWR, val, + !(val & RSTPWR_RX_EN_VAL), 200, 2000); + if (ret) { + dev_err(priv->dev, "Failed to check whether Rx is ready\n"); + goto out_disable_clock; + } + + /* release all reset */ + ret = reset_control_deassert(priv->rst_pm); + if (ret) { + dev_err(priv->dev, "Failed to release PM reset\n"); + goto out_disable_clock; + } + + ret = reset_control_deassert(priv->rst_tx); + if (ret) { + dev_err(priv->dev, "Failed to release Tx reset\n"); + goto out_reset_pm_assert; + } + + ret = reset_control_deassert(priv->rst_rx); + if (ret) { + dev_err(priv->dev, "Failed to release Rx reset\n"); + goto out_reset_tx_assert; + } + + return 0; + +out_reset_tx_assert: + reset_control_assert(priv->rst_tx); +out_reset_pm_assert: + reset_control_assert(priv->rst_pm); + +out_disable_clock: + /* disable TX clock */ + val = readl(priv->base + RXTXCTRL); + val &= ~RXTXCTRL_TX_CKO_EN; + writel(val, priv->base + RXTXCTRL); + + /* disable reference clock for phy */ + val = readl(priv->base + CKCTRL0); + val |= CKCTRL0_CK_OFF; + writel(val, priv->base + CKCTRL0); + + return ret; +} + +static int uniphier_ahciphy_pro4_power_off(struct uniphier_ahciphy_priv *priv) +{ + u32 val; + + reset_control_assert(priv->rst_rx); + reset_control_assert(priv->rst_tx); + reset_control_assert(priv->rst_pm); + + /* disable TX clock */ + val = readl(priv->base + RXTXCTRL); + val &= ~RXTXCTRL_TX_CKO_EN; + writel(val, priv->base + RXTXCTRL); + + /* disable reference clock for phy */ + val = readl(priv->base + CKCTRL0); + val |= CKCTRL0_CK_OFF; + writel(val, priv->base + CKCTRL0); + + return 0; +} + static void uniphier_ahciphy_pxs2_enable(struct uniphier_ahciphy_priv *priv, bool enable) { @@ -142,14 +285,22 @@ static int uniphier_ahciphy_init(struct phy *phy) struct uniphier_ahciphy_priv *priv = phy_get_drvdata(phy); int ret; - ret = clk_prepare_enable(priv->clk_parent); + ret = clk_prepare_enable(priv->clk_parent_gio); if (ret) return ret; - ret = reset_control_deassert(priv->rst_parent); + ret = clk_prepare_enable(priv->clk_parent); + if (ret) + goto out_clk_gio_disable; + + ret = reset_control_deassert(priv->rst_parent_gio); if (ret) goto out_clk_disable; + ret = reset_control_deassert(priv->rst_parent); + if (ret) + goto out_rst_gio_assert; + if (priv->data->init) { ret = priv->data->init(priv); if (ret) @@ -160,8 +311,12 @@ static int uniphier_ahciphy_init(struct phy *phy) out_rst_assert: reset_control_assert(priv->rst_parent); +out_rst_gio_assert: + reset_control_assert(priv->rst_parent_gio); out_clk_disable: clk_disable_unprepare(priv->clk_parent); +out_clk_gio_disable: + clk_disable_unprepare(priv->clk_parent_gio); return ret; } @@ -171,7 +326,9 @@ static int uniphier_ahciphy_exit(struct phy *phy) struct uniphier_ahciphy_priv *priv = phy_get_drvdata(phy); reset_control_assert(priv->rst_parent); + reset_control_assert(priv->rst_parent_gio); clk_disable_unprepare(priv->clk_parent); + clk_disable_unprepare(priv->clk_parent_gio); return 0; } @@ -265,6 +422,28 @@ static int uniphier_ahciphy_probe(struct platform_device *pdev) if (IS_ERR(priv->rst)) return PTR_ERR(priv->rst); + if (priv->data->is_legacy) { + priv->clk_parent_gio = devm_clk_get(dev, "gio"); + if (IS_ERR(priv->clk_parent_gio)) + return PTR_ERR(priv->clk_parent_gio); + priv->rst_parent_gio = + devm_reset_control_get_shared(dev, "gio"); + if (IS_ERR(priv->rst_parent_gio)) + return PTR_ERR(priv->rst_parent_gio); + + priv->rst_pm = devm_reset_control_get_shared(dev, "pm"); + if (IS_ERR(priv->rst_pm)) + return PTR_ERR(priv->rst_pm); + + priv->rst_tx = devm_reset_control_get_shared(dev, "tx"); + if (IS_ERR(priv->rst_tx)) + return PTR_ERR(priv->rst_tx); + + priv->rst_rx = devm_reset_control_get_shared(dev, "rx"); + if (IS_ERR(priv->rst_rx)) + return PTR_ERR(priv->rst_rx); + } + phy = devm_phy_create(dev, dev->of_node, &uniphier_ahciphy_ops); if (IS_ERR(phy)) { dev_err(dev, "failed to create phy\n"); @@ -279,9 +458,18 @@ static int uniphier_ahciphy_probe(struct platform_device *pdev) return 0; } +static const struct uniphier_ahciphy_soc_data uniphier_pro4_data = { + .init = uniphier_ahciphy_pro4_init, + .power_on = uniphier_ahciphy_pro4_power_on, + .power_off = uniphier_ahciphy_pro4_power_off, + .is_legacy = true, + .is_phy_clk = false, +}; + static const struct uniphier_ahciphy_soc_data uniphier_pxs2_data = { .power_on = uniphier_ahciphy_pxs2_power_on, .power_off = uniphier_ahciphy_pxs2_power_off, + .is_legacy = false, .is_ready_high = false, .is_phy_clk = false, }; @@ -290,12 +478,17 @@ static const struct uniphier_ahciphy_soc_data uniphier_pxs3_data = { .init = uniphier_ahciphy_pxs3_init, .power_on = uniphier_ahciphy_pxs2_power_on, .power_off = uniphier_ahciphy_pxs2_power_off, + .is_legacy = false, .is_ready_high = true, .is_phy_clk = true, }; static const struct of_device_id uniphier_ahciphy_match[] = { { + .compatible = "socionext,uniphier-pro4-ahci-phy", + .data = &uniphier_pro4_data, + }, + { .compatible = "socionext,uniphier-pxs2-ahci-phy", .data = &uniphier_pxs2_data, },