linux-toradex.git/drivers/usb/mtu3, branch v5.14

usb: mtu3: use clock bulk to get clocks

2021-06-15T13:46:45+00:00

Use clock bulk helpers to get/enable/disable clocks, meanwhile
make sys_ck optional, then will be easier to handle clocks.

Signed-off-by: Chunfeng Yun 
Link: https://lore.kernel.org/r/1623139069-8173-24-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman

usb: mtu3: rebuild role switch get/set hooks

2021-06-15T13:43:57+00:00

Use common helper ssusb_set_mode() to do role switch instead
of manual switch helper;
Remove unnecessary local variable when get role status

Signed-off-by: Chunfeng Yun 
Link: https://lore.kernel.org/r/1623139069-8173-14-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman

usb: mtu3: use force mode for dual role switch

2021-06-15T13:43:50+00:00

Force IDDIG status for all three ways of dual role switch, this
is needed when use Type-C to switch mode.

Signed-off-by: Chunfeng Yun 
Link: https://lore.kernel.org/r/1623139069-8173-13-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman

usb: mtu3: add helper to get pointer of ssusb_mtk struct

2021-06-15T13:43:43+00:00

Add a helper to get pointer of ssusb_mtk struct from the pointer
of otg_switch_mtk struct.

Signed-off-by: Chunfeng Yun 
Link: https://lore.kernel.org/r/1623139069-8173-12-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman

usb: mtu3: rebuild role switch flow of extcon

2021-06-15T13:43:36+00:00

This is a preparation patch to plan to use the same work to
handle role switch for all three supported ways.

Signed-off-by: Chunfeng Yun 
Link: https://lore.kernel.org/r/1623139069-8173-11-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman

usb: mtu3: use enum usb_role instead of private defined ones

2021-06-15T13:43:11+00:00

Now we mainly use usb-role-switch to set dual role mode, and all
three ways supported use the same function to switch mode, use
usb_role enum will make code clear

Signed-off-by: Chunfeng Yun 
Link: https://lore.kernel.org/r/1623139069-8173-10-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman

usb: mtu3: drop support vbus detection

2021-06-15T13:43:00+00:00

Until now it's never used on any platform, and will not used
later.

Signed-off-by: Chunfeng Yun 
Link: https://lore.kernel.org/r/1623139069-8173-9-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman

usb: mtu3: remove wakelock

2021-06-15T13:42:48+00:00

Prefer to use /sys/power/wake_lock instead.

Signed-off-by: Chunfeng Yun 
Link: https://lore.kernel.org/r/1623139069-8173-8-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman

usb: mtu3: power down port when power down device IP

2021-06-15T13:42:37+00:00

When power down device IP, we can also power down device port,
then power on the port again when power on device ip, it's helpful
to make device ip enter ip sleep mode.

Signed-off-by: Chunfeng Yun 
Link: https://lore.kernel.org/r/1623139069-8173-7-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman

usb: mtu3: power down device IP by default

2021-06-15T13:42:20+00:00

Power down device IP by default until @udc_start is called.

Signed-off-by: Chunfeng Yun 
Link: https://lore.kernel.org/r/1623139069-8173-6-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman