Hello Drew,
On Wed, 1 Jul 2020 03:33:20 +0200
Drew Fustini <d...@beagleboard.org> wrote:
> Increase #pinctrl-cells to 2 so that mux and conf be kept separate. This
> requires the AM33XX_PADCONF macro in omap.h to also be modified to keep pin
> conf and pin mux values separate.
>
> Signed-off-by: Drew Fustini <d...@beagleboard.org>
> ---
> arch/arm/boot/dts/am33xx-l4.dtsi | 2 +-
> include/dt-bindings/pinctrl/omap.h | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/am33xx-l4.dtsi
> b/arch/arm/boot/dts/am33xx-l4.dtsi
> index a9cbefc80c0c..3141590e5889 100644
> --- a/arch/arm/boot/dts/am33xx-l4.dtsi
> +++ b/arch/arm/boot/dts/am33xx-l4.dtsi
> @@ -278,7 +278,7 @@ scm: scm@0 {
> am33xx_pinmux: pinmux@800 {
> compatible = "pinctrl-single";
> reg = <0x800 0x238>;
> - #pinctrl-cells = <1>;
> + #pinctrl-cells = <2>;
> pinctrl-single,register-width = <32>;
> pinctrl-single,function-mask = <0x7f>;
> };
> diff --git a/include/dt-bindings/pinctrl/omap.h
> b/include/dt-bindings/pinctrl/omap.h
> index 625718042413..2d2a8c737822 100644
> --- a/include/dt-bindings/pinctrl/omap.h
> +++ b/include/dt-bindings/pinctrl/omap.h
> @@ -65,7 +65,7 @@
> #define DM814X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800)
> (val)
> #define DM816X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800)
> (val)
> #define AM33XX_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800)
> (val)
> -#define AM33XX_PADCONF(pa, dir, mux) OMAP_IOPAD_OFFSET((pa), 0x0800) ((dir)
> | (mux))
> +#define AM33XX_PADCONF(pa, conf, mux) OMAP_IOPAD_OFFSET((pa), 0x0800)
> (conf) (mux)
>
> /*
> * Macros to allow using the offset from the padconf physical address
> --
> 2.25.1
Based on the bindings doc a value of 2 is only acceptable if one uses
pinctrl-single,bits but all the am33xx pins still uses
pinctrl-single,pins.
I noticed this because this breaks FreeBSD when I tried with 5.9 dts.
--
Emmanuel Vadot <m...@bidouilliste.com> <m...@freebsd.org>
