From patchwork Fri Jan 12 13:32:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13518487 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 948D9C4706C for ; Fri, 12 Jan 2024 13:32:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=tgrbQMGfEsmd3EnXwYIw9vWmsd0N/cHRzr8V8gh7YC4=; b=JcMAHavgsA2pHSnagyZXpT3mKn eVmToZoniVOLACpv2JNx8NSQR9SpB+tK1zXkRFJzlAImLMVGz4tnzxz/VVQfZPOxpTnRdWPlv9pur MwayP8yX2+EPROUtcZLdF/MeoRSBvPs3NIFAEGqN/qgVrXfJ1Mv0A6LjEwL0J2wcJ6D3Dm07eRc62 JfNCbXBccbxY44JdtbLVbnE69IBjotMMyWFqqmFKSZGI+BeaRcxp3TrgHszRwRj7Jqiczo4W/zsyw OlSjT5HRUSaWP3GCEM/KQq8hSlwxpWBx711plx6oRjkmbcymJyEUEBk5IKh0pkmksFsbjDxEPWDJr NetS15jA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rOHeK-002vmZ-1u; Fri, 12 Jan 2024 13:32:40 +0000 Received: from madrid.collaboradmins.com ([46.235.227.194]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rOHeF-002vkV-0k; Fri, 12 Jan 2024 13:32:36 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1705066351; bh=YkdDpomM6xgjjZT3f/VDi2h3qQuEYm1oWG/yoqw8ImM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GEe1UDMM/w79byImu60YnSiFe36p0UL+qBsPTpVtNNWtfFBqLiyvIan0nNcIPoyqT cr6WFujt7CCY5y14VrOsh6zMUtQTUW5opwob9x15/70A+SPwIhmb7mErsOlOJ3yFYT a9+QQMd+U7LawYmjrY//yHHkhWs6gCZBGnnz33LZzim/4oXyeMZqipqoVoHablgw+q JWmjNIiKWDssKe2Wz1+PHC9vb+RolyZqBjPY+HBCYPBsEkFHikirS5tnstnld+RPCm LEAgVIEzm4ffPAHZUfMN4q7GNtAYGySgWB7FbxWFUTxoAKd/NP3crBw+vdiFNkMPvL Ri5D+h10mpRYg== Received: from IcarusMOD.eternityproject.eu (cola.collaboradmins.com [195.201.22.229]) (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: kholk11) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 8D8E73782031; Fri, 12 Jan 2024 13:32:30 +0000 (UTC) From: AngeloGioacchino Del Regno To: chunfeng.yun@mediatek.com Cc: gregkh@linuxfoundation.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@collabora.com Subject: [PATCH 2/2] usb: mtu3: Add MT8195 MTU3 ip-sleep wakeup support Date: Fri, 12 Jan 2024 14:32:22 +0100 Message-ID: <20240112133222.240038-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240112133222.240038-1-angelogioacchino.delregno@collabora.com> References: <20240112133222.240038-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240112_053235_402503_8EFE8D54 X-CRM114-Status: GOOD ( 11.54 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add support for the ip-sleep wakeup functionality on the three MTU3 controllers found on the MT8195 SoC. Signed-off-by: AngeloGioacchino Del Regno --- drivers/usb/mtu3/mtu3_host.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c index 9f2be22af844..85f49e00e8db 100644 --- a/drivers/usb/mtu3/mtu3_host.c +++ b/drivers/usb/mtu3/mtu3_host.c @@ -34,6 +34,19 @@ #define WC0_SSUSB0_CDEN BIT(6) #define WC0_IS_SPM_EN BIT(1) +/* mt8195 */ +#define PERI_WK_CTRL0_8195 0x04 +#define WC0_IS_P_95 BIT(30) /* polarity */ +#define WC0_IS_C_95(x) ((u32)(((x) & 0x7) << 27)) +#define WC0_IS_EN_P3_95 BIT(26) +#define WC0_IS_EN_P2_95 BIT(25) +#define WC0_IS_EN_P1_95 BIT(24) + +#define PERI_WK_CTRL1_8195 0x20 +#define WC1_IS_C_95(x) ((u32)(((x) & 0xf) << 28)) +#define WC1_IS_P_95 BIT(12) +#define WC1_IS_EN_P0_95 BIT(6) + /* mt2712 etc */ #define PERI_SSUSB_SPM_CTRL 0x0 #define SSC_IP_SLEEP_EN BIT(4) @@ -44,6 +57,9 @@ enum ssusb_uwk_vers { SSUSB_UWK_V2, SSUSB_UWK_V1_1 = 101, /* specific revision 1.01 */ SSUSB_UWK_V1_2, /* specific revision 1.02 */ + SSUSB_UWK_V1_3, /* mt8195 IP0 */ + SSUSB_UWK_V1_5 = 105, /* mt8195 IP2 */ + SSUSB_UWK_V1_6, /* mt8195 IP3 */ }; /* @@ -70,6 +86,21 @@ static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable) msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN; val = enable ? msk : 0; break; + case SSUSB_UWK_V1_3: + reg = ssusb->uwk_reg_base + PERI_WK_CTRL1_8195; + msk = WC1_IS_EN_P0_95 | WC1_IS_C_95(0xf) | WC1_IS_P_95; + val = enable ? (WC1_IS_EN_P0_95 | WC1_IS_C_95(0x1)) : 0; + break; + case SSUSB_UWK_V1_5: + reg = ssusb->uwk_reg_base + PERI_WK_CTRL0_8195; + msk = WC0_IS_EN_P2_95 | WC0_IS_C_95(0x7) | WC0_IS_P_95; + val = enable ? (WC0_IS_EN_P2_95 | WC0_IS_C_95(0x1)) : 0; + break; + case SSUSB_UWK_V1_6: + reg = ssusb->uwk_reg_base + PERI_WK_CTRL0_8195; + msk = WC0_IS_EN_P3_95 | WC0_IS_C_95(0x7) | WC0_IS_P_95; + val = enable ? (WC0_IS_EN_P3_95 | WC0_IS_C_95(0x1)) : 0; + break; case SSUSB_UWK_V2: reg = ssusb->uwk_reg_base + PERI_SSUSB_SPM_CTRL; msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN;