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Subject[PATCH v3 3/7] usb: mtu3: support ip-sleep wakeup for MT8183
Date
Support USB wakeup by ip-sleep mode for MT8183, it's similar to
MT8173

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v3: changes micros define

v2: no changes
---
drivers/usb/mtu3/mtu3_host.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c
index c871b94f3e6f..4f8208885ebd 100644
--- a/drivers/usb/mtu3/mtu3_host.c
+++ b/drivers/usb/mtu3/mtu3_host.c
@@ -18,6 +18,12 @@
#include "mtu3.h"
#include "mtu3_dr.h"

+/* 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 */
@@ -30,7 +36,8 @@
#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,
};

@@ -43,6 +50,11 @@ static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable)
u32 reg, msk, val;

switch (ssusb->uwk_vers) {
+ case SSUSB_UWK_V0:
+ reg = ssusb->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 = ssusb->uwk_reg_base + PERI_WK_CTRL1;
msk = WC1_IS_EN | WC1_IS_C(0xf) | WC1_IS_P;
--
2.23.0
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