Re: [PATCH v6 5/8] ARM: dts: ti: omap: espresso-common: Add common device tree for Samsung Galaxy Tab 2 series

[Andreas Kemnade]

On Thu, 19 Feb 2026 16:04:04 -0500
Mithil Bavishi <bavishimithil@xxxxxxxxx> 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 <bavishimithil@xxxxxxxxx>
> ---
[...]

> +&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