Hi Maud, Am Freitag, dem 14.02.2025 um 16:57 +0100 schrieb Maud Spierings via B4 Relay: > Up untill now the extra function mux (pull resistor, etc) has been > defined as a raw hex value, this is difficult to interpret. Add > definitions for these parts of the pinctrl registers to allow for more > readable pinctrl definitions in devictree files. > I certainly prefer the short form with the hex value, I find that quite a bit more readable than very verbose swathes of defines ORed together. But each to their own. > At this point the patch is not complete, some pinctrl definitions set > bit 30 (0x40000000) but according to the reference manual this is a > reserved field, I currently have no way to identify what the meaning of > this bit is, I hope someone in this CC may be able to provide an answer > to this. It will then be fixed in the v2 of this patch. This is not a mystery bit, it's used by the pinctrl driver to force enable the input path of the pad (SION). This is defined in the generic i.MX pinctrl binding, see Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt Regards, Lucas > > It should also be done for the mn/mq but I currently do not have the > reference manuals for these to verify these fields, though I can only > assume that they would be the same. > > Signed-off-by: Maud Spierings <maudspierings@xxxxxxxxxxxxxx> > --- > Maud Spierings (2): > arm64: dts: imx8mm: Add pinctrl config definitions > arm64: dts: imx8mp: Add pinctrl config definitions > > arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h | 27 ++++++++++++++++++++++++++ > arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h | 27 ++++++++++++++++++++++++++ > 2 files changed, 54 insertions(+) > --- > base-commit: 0ae0fa3bf0b44c8611d114a9f69985bf451010c3 > change-id: 20250214-pinctrl_defines-237e7db61c6a > > Best regards,
