From patchwork Fri Jan 28 06:29:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 538208 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0593C43219 for ; Fri, 28 Jan 2022 06:29:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346506AbiA1G3S (ORCPT ); Fri, 28 Jan 2022 01:29:18 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:43534 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1346488AbiA1G3L (ORCPT ); Fri, 28 Jan 2022 01:29:11 -0500 X-UUID: b5d5a2e7869b468ca7c68449549ffa59-20220128 X-UUID: b5d5a2e7869b468ca7c68449549ffa59-20220128 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1531445026; Fri, 28 Jan 2022 14:29:06 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 28 Jan 2022 14:29:05 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 28 Jan 2022 14:29:05 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 28 Jan 2022 14:29:04 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Matthias Brugger CC: Chunfeng Yun , Rob Herring , Mathias Nyman , , , , , , Tianping Fang , Eddie Hung , AngeloGioacchino Del Regno Subject: [PATCH v2 2/4] usb: xhci-mtk: add support ip-sleep wakeup for mt8195 Date: Fri, 28 Jan 2022 14:29:00 +0800 Message-ID: <20220128062902.26273-2-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220128062902.26273-1-chunfeng.yun@mediatek.com> References: <20220128062902.26273-1-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add support ip-sleep wakeup for mt8195, it's a specific revision for each USB controller, and not following IPM rule. Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Matthias Brugger Signed-off-by: Chunfeng Yun --- v2: add reviewed-by Matthias & AngeloGioacchino --- drivers/usb/host/xhci-mtk.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index 91738af0ab14..96a0ff0bb11e 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -95,6 +95,19 @@ #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) @@ -105,6 +118,10 @@ enum ssusb_uwk_vers { SSUSB_UWK_V2, SSUSB_UWK_V1_1 = 101, /* specific revision 1.01 */ SSUSB_UWK_V1_2, /* specific revision 1.2 */ + SSUSB_UWK_V1_3, /* mt8195 IP0 */ + SSUSB_UWK_V1_4, /* mt8195 IP1 */ + SSUSB_UWK_V1_5, /* mt8195 IP2 */ + SSUSB_UWK_V1_6, /* mt8195 IP3 */ }; /* @@ -308,6 +325,26 @@ static void usb_wakeup_ip_sleep_set(struct xhci_hcd_mtk *mtk, bool enable) msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN; val = enable ? msk : 0; break; + case SSUSB_UWK_V1_3: + reg = mtk->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_4: + reg = mtk->uwk_reg_base + PERI_WK_CTRL0_8195; + msk = WC0_IS_EN_P1_95 | WC0_IS_C_95(0x7) | WC0_IS_P_95; + val = enable ? (WC0_IS_EN_P1_95 | WC0_IS_C_95(0x1)) : 0; + break; + case SSUSB_UWK_V1_5: + reg = mtk->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 = mtk->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 = mtk->uwk_reg_base + PERI_SSUSB_SPM_CTRL; msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN;