Re: [U-Boot] [PATCH] imx: mx25: Remove SION bit in all pin-mux

2018-01-24 Thread Benoît Thébaudeau
Hi, On 24/01/2018 at 17:17, Michael Nazzareno Trimarchi wrote: > On Wed, Jan 24, 2018 at 5:03 PM, Benoît Thébaudeau wrote: >> On 24/01/2018 at 16:43, Michael Nazzareno Trimarchi wrote: >>> On Wed, Jan 24, 2018 at 4:39 PM, Benoît Thébaudeau >>> wrote: On 24/01/2018 at 16:34, Benoît Thébaude

Re: [U-Boot] [PATCH] imx: mx25: Remove SION bit in all pin-mux

2018-01-24 Thread Michael Nazzareno Trimarchi
Hi Fabio On Wed, Jan 24, 2018 at 4:26 PM, Michael Nazzareno Trimarchi wrote: > Hi Fabio > > On Wed, Jan 24, 2018 at 4:14 PM, Fabio Estevam wrote: >> Hi Michael, >> Can you check where SION bit is mandatory for mx25? I have on IMX51 some PINMUX where sion is enabled. I can clean up a bit the pat

Re: [U-Boot] [PATCH] imx: mx25: Remove SION bit in all pin-mux

2018-01-24 Thread Michael Nazzareno Trimarchi
Hi On Wed, Jan 24, 2018 at 5:03 PM, Benoît Thébaudeau wrote: > On 24/01/2018 at 16:43, Michael Nazzareno Trimarchi wrote: >> On Wed, Jan 24, 2018 at 4:39 PM, Benoît Thébaudeau >> wrote: >>> On 24/01/2018 at 16:34, Benoît Thébaudeau wrote: On 24/01/2018 at 16:26, Michael Nazzareno Trimarchi

Re: [U-Boot] [PATCH] imx: mx25: Remove SION bit in all pin-mux

2018-01-24 Thread Benoît Thébaudeau
On 24/01/2018 at 16:43, Michael Nazzareno Trimarchi wrote: > On Wed, Jan 24, 2018 at 4:39 PM, Benoît Thébaudeau wrote: >> On 24/01/2018 at 16:34, Benoît Thébaudeau wrote: >>> On 24/01/2018 at 16:26, Michael Nazzareno Trimarchi wrote: On Wed, Jan 24, 2018 at 4:14 PM, Fabio Estevam wrote:

Re: [U-Boot] [PATCH] imx: mx25: Remove SION bit in all pin-mux

2018-01-24 Thread Benoît Thébaudeau
Hi Michael, On 24/01/2018 at 16:26, Michael Nazzareno Trimarchi wrote: > On Wed, Jan 24, 2018 at 4:14 PM, Fabio Estevam wrote: >> On Wed, Jan 24, 2018 at 12:56 PM, Michael Trimarchi >> wrote: >>> SION bit should be used in the situation that we need >>> to read back the value of a pin and should

Re: [U-Boot] [PATCH] imx: mx25: Remove SION bit in all pin-mux

2018-01-24 Thread Benoît Thébaudeau
On 24/01/2018 at 16:34, Benoît Thébaudeau wrote: > On 24/01/2018 at 16:26, Michael Nazzareno Trimarchi wrote: >> On Wed, Jan 24, 2018 at 4:14 PM, Fabio Estevam wrote: >>> On Wed, Jan 24, 2018 at 12:56 PM, Michael Trimarchi >>> wrote: SION bit should be used in the situation that we need

Re: [U-Boot] [PATCH] imx: mx25: Remove SION bit in all pin-mux

2018-01-24 Thread Michael Nazzareno Trimarchi
Hi On Wed, Jan 24, 2018 at 4:39 PM, Benoît Thébaudeau wrote: > On 24/01/2018 at 16:34, Benoît Thébaudeau wrote: >> On 24/01/2018 at 16:26, Michael Nazzareno Trimarchi wrote: >>> On Wed, Jan 24, 2018 at 4:14 PM, Fabio Estevam wrote: On Wed, Jan 24, 2018 at 12:56 PM, Michael Trimarchi w

Re: [U-Boot] [PATCH] imx: mx25: Remove SION bit in all pin-mux

2018-01-24 Thread Michael Nazzareno Trimarchi
Hi Fabio On Wed, Jan 24, 2018 at 4:14 PM, Fabio Estevam wrote: > Hi Michael, > > On Wed, Jan 24, 2018 at 12:56 PM, Michael Trimarchi > wrote: >> SION bit should be used in the situation that we need >> to read back the value of a pin and should be set by >> default. This can generate any kind of

Re: [U-Boot] [PATCH] imx: mx25: Remove SION bit in all pin-mux

2018-01-24 Thread Fabio Estevam
Hi Michael, On Wed, Jan 24, 2018 at 12:56 PM, Michael Trimarchi wrote: > SION bit should be used in the situation that we need > to read back the value of a pin and should be set by > default. This can generate any kind of random malfunction > as described in this thread. > > According to this th