From patchwork Mon Jan 22 11:18:09 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: 765144 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 02F593A8CB; Mon, 22 Jan 2024 11:18:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705922300; cv=none; b=jxirpyMaICAG77k/iqExHWGImEKNl9QHAVRIQLygRawW0DptbgI358T86tXwMgv+hWZxVu0bIBkZhKD0TUGjSoI8eXmsm4Z2m+pWrlMhQm+yes/Y7xB/aIqpLbHeVTHmBqUFE3keN2BaUPF6PY9dh+A9sn5GetdTk3nzs3qKesI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705922300; c=relaxed/simple; bh=mPvguHaLpTZ96JgrvlhY8YUv14Dl6d0c0XbAb/xNTVo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fgqYLnntyo6Q3PqpkGJcP9IwXuJurGTFh5m96evBAOcnshfAIQsOz48zHxibq9hjSkew6Ef5OwYpTf94RlF4RC3yexoJAZd+cP9bbL9RcqOHYXUiIiHmKWUtg0ZAhqv87JJjkcCzU7oCFleyHIaQS7xPi7xQsgoJ6KXyd2JNyUk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=EsXWUxhC; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="EsXWUxhC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1705922297; bh=mPvguHaLpTZ96JgrvlhY8YUv14Dl6d0c0XbAb/xNTVo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EsXWUxhCAXcW3y7Sq1MFm3r2eNNayJ5uy9un49YBXUtm3eRmuBrlWzz7zajHR4eWh Gf+fiB6nnAaxZ4C877H2YCsfaVSr4cvPZ2glF6pAr+mjgcZQxVaB0C7C3PWspaS0p3 ZWpjX7phl/702Ag6GrA4XuuXAEQ5eguxd7aOiavzcbMn4uiSkKAaq+EXWARelBsUz7 +bJtttcQxWrxL4N8cd9NOF9DekoeqJjqTW4MqzjcTZszoH9UuXw4xhTgqLboxquSU0 WrjuRA+Cq2iLKhGjloEwErEbzIyRJFnErKPXBs0L/tmXoemkZTjTZkVL8oUSrIYPFn 1zJSaXSJwfLuQ== 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 566FA3781FE1; Mon, 22 Jan 2024 11:18:16 +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, Conor Dooley Subject: [PATCH v2 2/2] usb: mtu3: Add MT8195 MTU3 ip-sleep wakeup support Date: Mon, 22 Jan 2024 12:18:09 +0100 Message-ID: <20240122111809.148546-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122111809.148546-1-angelogioacchino.delregno@collabora.com> References: <20240122111809.148546-1-angelogioacchino.delregno@collabora.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add support for the ip-sleep wakeup functionality on the three MTU3 controllers found on the MT8195 SoC. Signed-off-by: AngeloGioacchino Del Regno --- Changes in v2: - Dropped unused definition for WC0_IS_EN_P1_95 drivers/usb/mtu3/mtu3_host.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c index 9f2be22af844..7c657ea2dabd 100644 --- a/drivers/usb/mtu3/mtu3_host.c +++ b/drivers/usb/mtu3/mtu3_host.c @@ -34,6 +34,18 @@ #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 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 +56,9 @@ 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 +85,21 @@ 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;