On Thu, 19 Feb 2026 16:04:04 -0500 Mithil Bavishi <[email protected]> wrote:
> Create common device tree for Samsung Espresso series devices > > Let's create a common tree for all the variants first, later we can > device specific trees based on their screen sizes > Imperative mood. > Signed-off-by: Mithil Bavishi <[email protected]> > --- [...] > +&omap4_pmx_wkup { > + gpio_keys: gpio-keys-pins { > + pinctrl-single,pins = < > + OMAP4_IOPAD(0x046, WAKEUP_EN | PIN_INPUT | MUX_MODE3) > + /* sim_cd.gpio_wk3 - EXT_WAKEUP */ > + OMAP4_IOPAD(0x056, WAKEUP_EN | PIN_INPUT | MUX_MODE3) > + /* fref_clk3_req.gpio_wk30 - VOL_UP */ > + OMAP4_IOPAD(0x05C, WAKEUP_EN | PIN_INPUT | MUX_MODE3) > + /* fref_clk4_out.gpio_wk8 - VOL_DN */ > + >; > + }; > + > + prox_irq: prox-irq-pins { > + pinctrl-single,pins = < > + OMAP4_IOPAD(0x042, WAKEUP_EN | PIN_INPUT_PULLUP | > MUX_MODE3) > + /* sim_clk.gpio_wk1 - PS_VOUT */ > + >; > + }; According to https://www.ti.com/lit/ug/swpu231ap/swpu231ap.pdf Table 3-327 the gpio1 cntroller is always active. So here the WAKEUP_EN is not needed at all (so also no additional irq required). Regards, Andreas
