Re: [PATCH 1/3] usb: onboard-hub: add driver to manage onboard hub supplies

2023-01-12 Thread Marek Vasut
On 12/12/22 11:44, Fabrice Gasnier wrote: The main issue the driver addresses is that a USB hub needs to be powered before it can be discovered. This is often solved by using "regulator-always-on". This driver is inspired by the Linux v6.1 driver. It only enables (or disables) the hub vdd (3v3)

Re: [PATCH 1/3] usb: onboard-hub: add driver to manage onboard hub supplies

2023-01-12 Thread Marek Vasut
On 1/12/23 16:24, Patrice CHOTARD wrote: Hi Fabrice On 1/3/23 17:34, Patrick DELAUNAY wrote: Hi, On 12/12/22 11:44, Fabrice Gasnier wrote: The main issue the driver addresses is that a USB hub needs to be powered before it can be discovered. This is often solved by using "regulator-always-on"

Re: [PATCH 1/3] usb: onboard-hub: add driver to manage onboard hub supplies

2023-01-12 Thread Patrice CHOTARD
Hi Fabrice On 1/3/23 17:34, Patrick DELAUNAY wrote: > Hi, > > On 12/12/22 11:44, Fabrice Gasnier wrote: >> The main issue the driver addresses is that a USB hub needs to be >> powered before it can be discovered. This is often solved by using >> "regulator-always-on". >> >> This driver is inspire

Re: [PATCH 1/3] usb: onboard-hub: add driver to manage onboard hub supplies

2023-01-03 Thread Patrick DELAUNAY
Hi, On 12/12/22 11:44, Fabrice Gasnier wrote: The main issue the driver addresses is that a USB hub needs to be powered before it can be discovered. This is often solved by using "regulator-always-on". This driver is inspired by the Linux v6.1 driver. It only enables (or disables) the hub vdd (

Re: [PATCH 1/3] usb: onboard-hub: add driver to manage onboard hub supplies

2023-01-03 Thread Patrice CHOTARD
Hi Fabrice On 12/12/22 11:44, Fabrice Gasnier wrote: > The main issue the driver addresses is that a USB hub needs to be > powered before it can be discovered. This is often solved by using > "regulator-always-on". > > This driver is inspired by the Linux v6.1 driver. It only enables (or > disabl

[PATCH 1/3] usb: onboard-hub: add driver to manage onboard hub supplies

2022-12-12 Thread Fabrice Gasnier
The main issue the driver addresses is that a USB hub needs to be powered before it can be discovered. This is often solved by using "regulator-always-on". This driver is inspired by the Linux v6.1 driver. It only enables (or disables) the hub vdd (3v3) supply, so it can be enumerated. Scanning of

Re: [PATCH 1/3] usb: onboard-hub: add driver to manage onboard hub supplies

2022-12-12 Thread Patrice CHOTARD
HI Fabrice On 12/12/22 11:44, Fabrice Gasnier wrote: > The main issue the driver addresses is that a USB hub needs to be > powered before it can be discovered. This is often solved by using > "regulator-always-on". > > This driver is inspired by the Linux v6.1 driver. It only enables (or > disabl