Support USB wakeup by ip-sleep mode for MT8183, it's similar to MT8173 Signed-off-by: Chunfeng Yun <chunfeng....@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