[PATCH v2 1/6] dt-bindings: pinctrl: Add bindings for BCM21664 pin controller
Rob Herring
robh at kernel.org
Mon Feb 24 09:37:36 PST 2025
On Fri, Feb 21, 2025 at 09:37:48PM +0100, Artur Weber wrote:
> On 21.02.2025 21:32, Artur Weber wrote:
> > Add device tree bindings for the pin controller included in the
> > BCM21664 chip. The bindings are based off brcm,bcm11351-pinctrl.yaml;
> > both chips use the same driver, but have different pins, and the
> > BCM21664 has 6 alt modes instead of 4.
> >
> > Signed-off-by: Artur Weber <aweber.kernel at gmail.com>
> > ---
> > (...)
> > +examples:
> > + - |
> > + pinctrl at 35004800 {
> > + compatible = "brcm,bcm21664-pinctrl";
> > + reg = <0x35004800 0x7f0>;
> > +
> > + dev-a-active-pins {
> > + /* group node defining 1 standard pin */
> > + std-grp0 {
> > + pins = "gpio00";
> > + function = "alt1";
> > + input-schmitt-enable;
> > + bias-disable;
> > + slew-rate = <1>;
> > + drive-strength = <4>;
> > + };
> > +
> > + /* group node defining 2 I2C pins */
> > + i2c-grp0 {
> > + pins = "bsc1clk", "bsc1dat";
> > + function = "alt2";
> > + bias-pull-up = <720>;
> > + input-enable;
>
> bias-pull-up should not have a value (pull up strength is not
> supported). Will fix this in the next version.
Please make the schema enforce that, not just fix the example.
Rob
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