On Mon, 2024-01-22 at 12:18 +0100, AngeloGioacchino Del Regno wrote: > Add support for the ip-sleep wakeup functionality on the three MTU3 > controllers found on the MT8195 SoC. > > Signed-off-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@xxxxxxxxxxxxx> > --- > > 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; which project will use ip-sleep wakeup for mt8195? only use device mode? As I know, when use upstream code to support dual-role mode on mt8195, there is a bug caused by hw limitation;