diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2021-03-23 15:02:49 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-26 14:45:59 +0100 |
| commit | 331c505894e4da9b29ec7d7fa7c945e69823faee (patch) | |
| tree | 1e255a1311f32c13890b17533a8c50b48e42f38c /drivers/usb/host/xhci-mtk.c | |
| parent | c03b4ccb9481c3664e83249bc673559f057667ab (diff) | |
usb: xhci-mtk: add support ip-sleep wakeup for mT8192
Add support ip-sleep wakeup for mT8192, it's a specific revision,
and not following IPM rule.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1616482975-17841-7-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-mtk.c')
| -rw-r--r-- | drivers/usb/host/xhci-mtk.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index edc79db09dfb..a003b3f5ef7e 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -70,6 +70,10 @@ #define WC0_IS_P BIT(12) /* polarity */ #define WC0_IS_EN BIT(6) +/* mt8192 */ +#define WC0_SSUSB0_CDEN BIT(6) +#define WC0_IS_SPM_EN BIT(1) + /* mt2712 etc */ #define PERI_SSUSB_SPM_CTRL 0x0 #define SSC_IP_SLEEP_EN BIT(4) @@ -79,6 +83,7 @@ enum ssusb_uwk_vers { SSUSB_UWK_V1 = 1, SSUSB_UWK_V2, SSUSB_UWK_V1_1 = 101, /* specific revision 1.01 */ + SSUSB_UWK_V1_2, /* specific revision 1.2 */ }; static int xhci_mtk_host_enable(struct xhci_hcd_mtk *mtk) @@ -313,6 +318,11 @@ static void usb_wakeup_ip_sleep_set(struct xhci_hcd_mtk *mtk, bool enable) 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_2: + reg = mtk->uwk_reg_base + PERI_WK_CTRL0; + msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN; + val = enable ? msk : 0; + break; case SSUSB_UWK_V2: reg = mtk->uwk_reg_base + PERI_SSUSB_SPM_CTRL; msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN; |