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Wed, 28 Aug 2019 14:21:30 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Rob Herring Subject: [PATCH 3/6] usb: mtu3: support ip-sleep wakeup for MT8183 Date: Wed, 28 Aug 2019 14:20:58 +0800 Message-ID: <1566973261-21677-4-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1566973261-21677-1-git-send-email-chunfeng.yun@mediatek.com> References: <1566973261-21677-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: C7A6DEC4E30CC38579203FCB51DA153AF26569EFDBCC3FAF0C53883D568E407E2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190827_232130_869190_1039D7CB X-CRM114-Status: GOOD ( 12.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Mathias Nyman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Chunfeng Yun , linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Support USB wakeup by ip-sleep mode for MT8183, it's similar to MT8173 Signed-off-by: Chunfeng Yun --- drivers/usb/mtu3/mtu3_host.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c index c871b94f3e6f..001b17aeb1eb 100644 --- a/drivers/usb/mtu3/mtu3_host.c +++ b/drivers/usb/mtu3/mtu3_host.c @@ -18,6 +18,12 @@ #include "mtu3.h" #include "mtu3_dr.h" +/* mt8183 etc */ +#define PERI_WK_CTRL0 0x20 +#define WC0_IS_C(x) (((x) & 0xf) << 28) /* cycle debounce */ +#define WC0_IS_EN BIT(12) +#define WC0_IS_P BIT(6) /* polarity for ip sleep */ + /* mt8173 etc */ #define PERI_WK_CTRL1 0x4 #define WC1_IS_C(x) (((x) & 0xf) << 26) /* cycle debounce */ @@ -30,7 +36,8 @@ #define SSC_SPM_INT_EN BIT(1) enum ssusb_uwk_vers { - SSUSB_UWK_V1 = 1, + SSUSB_UWK_V0 = 0, + SSUSB_UWK_V1, SSUSB_UWK_V2, }; @@ -43,6 +50,11 @@ static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable) u32 reg, msk, val; switch (ssusb->uwk_vers) { + case SSUSB_UWK_V0: + reg = ssusb->uwk_reg_base + PERI_WK_CTRL0; + msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P; + val = enable ? (WC0_IS_EN | WC0_IS_C(0x8)) : 0; + break; case SSUSB_UWK_V1: reg = ssusb->uwk_reg_base + PERI_WK_CTRL1; msk = WC1_IS_EN | WC1_IS_C(0xf) | WC1_IS_P; -- 2.23.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel