From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Mathias Nyman <mathias.nyman@intel.com>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
<linux-usb@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Subject: [PATCH v3 4/7] usb: mtk-xhci: support ip-sleep wakeup for MT8183
Date: Fri, 30 Aug 2019 15:40:51 +0800 [thread overview]
Message-ID: <1567150854-30033-5-git-send-email-chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <1567150854-30033-1-git-send-email-chunfeng.yun@mediatek.com>
Support USB wakeup by ip-sleep mode for MT8183, it's similar to
MT8173
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v3: change micros define
v2: no changes
---
drivers/usb/host/xhci-mtk.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 026fe18972d3..9b30a868a7ab 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -57,6 +57,12 @@
#define CTRL_U2_FORCE_PLL_STB BIT(28)
/* usb remote wakeup registers in syscon */
+/* mt8183 etc */
+#define PERI_WK_CTRL0 0x20
+#define WC0_IS_C(x) (((x) & 0xf) << 28) /* cycle debounce */
+#define WC0_IS_P BIT(12) /* polarity */
+#define WC0_IS_EN BIT(6)
+
/* mt8173 etc */
#define PERI_WK_CTRL1 0x4
#define WC1_IS_C(x) (((x) & 0xf) << 26) /* cycle debounce */
@@ -69,7 +75,8 @@
#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,
};
@@ -282,6 +289,11 @@ static void usb_wakeup_ip_sleep_set(struct xhci_hcd_mtk *mtk, bool enable)
u32 reg, msk, val;
switch (mtk->uwk_vers) {
+ case SSUSB_UWK_V0:
+ reg = mtk->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 = mtk->uwk_reg_base + PERI_WK_CTRL1;
msk = WC1_IS_EN | WC1_IS_C(0xf) | WC1_IS_P;
--
2.23.0
next prev parent reply other threads:[~2019-08-30 7:41 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-30 7:40 [PATCH v3 0/7] add support USB for MT8183 Chunfeng Yun
2019-08-30 7:40 ` [PATCH v3 1/7] dt-bindings: usb: mtu3: support USB wakeup " Chunfeng Yun
2019-09-02 13:39 ` Rob Herring
2019-08-30 7:40 ` [PATCH v3 2/7] dt-bindings: usb: mtk-xhci: " Chunfeng Yun
2019-09-02 13:39 ` Rob Herring
2019-08-30 7:40 ` [PATCH v3 3/7] usb: mtu3: support ip-sleep " Chunfeng Yun
2019-09-02 9:23 ` kbuild test robot
2019-09-11 18:44 ` Guenter Roeck
2019-09-16 5:45 ` Chunfeng Yun
2019-08-30 7:40 ` Chunfeng Yun [this message]
2019-09-02 11:58 ` [PATCH v3 4/7] usb: mtk-xhci: " kbuild test robot
2019-08-30 7:40 ` [PATCH v3 5/7] arm64: dts: mt8183: add usb and phy nodes Chunfeng Yun
2019-09-03 11:25 ` kbuild test robot
2020-05-21 15:06 ` Matthias Brugger
2019-08-30 7:40 ` [PATCH v3 6/7] arm64: dts: mt8183: enable USB remote wakeup Chunfeng Yun
2019-08-30 7:40 ` [PATCH v3 7/7] arm64: dts: mt8183: tune disconnect threshold of u2phy Chunfeng Yun
2019-09-04 1:54 ` [PATCH v3 0/7] add support USB for MT8183 Chunfeng Yun
2019-09-04 7:06 ` Greg Kroah-Hartman
2020-05-21 12:41 ` Matthias Brugger
2020-05-22 1:07 ` Chunfeng Yun
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