Hi Harm, Adding Angus, who submitted a similar patch: https://patchwork.ozlabs.org/project/uboot/patch/20211128145143.1433262-1-an...@akkea.ca/
On Mon, Jan 17, 2022 at 12:55 PM Harm Berntsen <harm.bernt...@nedap.com> wrote: > > Could this issue be fixed by setting the SION bit mode? > > SION works! I did not know about it :). I see the imxrt1020-evk, Ok, great! > imxrt1050-evk and imx53-kp use it in their device tree. To make this > feature available, I had to ensure the IMX_PAD_SION was available in my > dts by adding a define: > > #define IMX_PAD_SION 0x40000000 > > I could then configure the pinmux in my dts file. It would be nice to > make this define available by default. > > To conclude, I would now need to enable SION in order to remove the > 'Warning: value of pin is still 0' text in my serial output. I'm fine > with that. Actually, there are several i.MX dts files that set bit 30 (SION bit): For example, the I2C pins in imx8mq-evk.dts look like this: MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL 0x4000007f Does it work if you just set bit 30 in your device tree? Which SoC are you using?
