linux-kernel - Re: [PATCH 2/3] arm64: dts: ti: k3-am62p: Add gpio-ranges properties

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Date: Wed, 19 Jun 2024 13:30:22 +0530
From: Dhruva Gole <d-gole@...com>
To: Nishanth Menon <nm@...com>
CC: Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Rob Herring <robh@...nel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        Tero Kristo <kristo@...nel.org>, Vignesh Raghavendra <vigneshr@...com>,
        Vaishnav Achath <vaishnav.a@...com>,
        Jared McArthur <j-mcarthur@...com>, Bryan Brattlof <bb@...com>
Subject: Re: [PATCH 2/3] arm64: dts: ti: k3-am62p: Add gpio-ranges properties

On Jun 18, 2024 at 12:31:22 -0500, Nishanth Menon wrote:
> On the AM62P platform we have no single 1:1 relation regarding index
> of GPIO and pin controller. The GPIOs and pin controller registers
> have mapping and holes in the map. These have been extracted from the
> AM62P data sheet.
> 
> Mux mode input is selected as it is bi-directional. In case a specific
> pull type or a specific pin level drive setting is desired, the board
> device tree files will have to explicitly mux those pins for the GPIO
> with the desired setting.
> 
> Ref: AM62P Data sheet https://www.ti.com/lit/gpn/am62p
> 
> Signed-off-by: Nishanth Menon <nm@...com>
> ---
> 
> Note: this generates a 'too large' warning for
> pinctrl-single,gpio-ranges -
> https://lore.kernel.org/r/20240618165102.2380159-1-nm@ti.com/ for more
> details
> 
>  arch/arm64/boot/dts/ti/k3-am62p-main.dtsi | 14 ++++++++++++++
>  arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi  | 10 ++++++++++
>  2 files changed, 24 insertions(+)


Reviewed-by: Dhruva Gole <d-gole@...com>

-- 
Best regards,
Dhruva