From: Dhruva Gole <d-gole@ti.com>
To: Nishanth Menon <nm@ti.com>
Cc: Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Rob Herring <robh@kernel.org>, <linux-kernel@vger.kernel.org>,
<devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
Tero Kristo <kristo@kernel.org>,
Vignesh Raghavendra <vigneshr@ti.com>,
Vaishnav Achath <vaishnav.a@ti.com>,
Jared McArthur <j-mcarthur@ti.com>, Bryan Brattlof <bb@ti.com>
Subject: Re: [PATCH 2/3] arm64: dts: ti: k3-am62p: Add gpio-ranges properties
Date: Wed, 19 Jun 2024 13:30:22 +0530 [thread overview]
Message-ID: <20240619080022.jdbufuc4w6fk77ju@dhruva> (raw)
In-Reply-To: <20240618173123.2592074-3-nm@ti.com>
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@ti.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@ti.com>
--
Best regards,
Dhruva
next prev parent reply other threads:[~2024-06-19 8:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-18 17:31 [PATCH 0/3] arm64: dts: ti: k3-am62p/j722s: Add gpio-ranges properties Nishanth Menon
2024-06-18 17:31 ` [PATCH 1/3] arm64: dts: ti: k3-pinctrl: Define a generic GPIO MUX Mode Nishanth Menon
2024-06-19 4:52 ` Dhruva Gole
2024-06-19 13:02 ` Nishanth Menon
2024-06-18 17:31 ` [PATCH 2/3] arm64: dts: ti: k3-am62p: Add gpio-ranges properties Nishanth Menon
2024-06-19 8:00 ` Dhruva Gole [this message]
2024-06-18 17:31 ` [PATCH 3/3] arm64: dts: ti: k3-j722s: " Nishanth Menon
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