summaryrefslogtreecommitdiff
path: root/drivers/usb/mtu3
diff options
context:
space:
mode:
authorAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>2024-01-22 12:18:09 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-01-27 17:36:50 -0800
commit4158af057c7f84790d7b04f589d5b8a93fddf469 (patch)
tree3f989ac067d09b4086c945c9aa8bd2f809cd8a1f /drivers/usb/mtu3
parentf99044cd1451d13f2d812ede24eb186ea6335a07 (diff)
usb: mtu3: Add MT8195 MTU3 ip-sleep wakeup support
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@collabora.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/20240122111809.148546-2-angelogioacchino.delregno@collabora.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/mtu3')
-rw-r--r--drivers/usb/mtu3/mtu3_host.c30
1 files changed, 30 insertions, 0 deletions
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;