linux-kernel - Re: [PATCH 6/8] dts: arm64: amlogic: add S7 pinctrl node

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Message-ID: <20250514131022.GA1833633-robh@kernel.org>
Date: Wed, 14 May 2025 08:10:22 -0500
From: Rob Herring <robh@...nel.org>
To: Xianwei Zhao <xianwei.zhao@...ogic.com>
Cc: Linus Walleij <linus.walleij@...aro.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Kevin Hilman <khilman@...libre.com>,
	Jerome Brunet <jbrunet@...libre.com>,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
	linux-amlogic@...ts.infradead.org, linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 6/8] dts: arm64: amlogic: add S7 pinctrl node

On Wed, May 14, 2025 at 03:01:33PM +0800, Xianwei Zhao wrote:
> Add pinctrl device to support Amlogic S7.
> 
> Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
> ---
>  arch/arm64/boot/dts/amlogic/amlogic-s7.dtsi | 81 +++++++++++++++++++++++++++++
>  1 file changed, 81 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/amlogic-s7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-s7.dtsi
> index f0c172681bd1..924f10aff269 100644
> --- a/arch/arm64/boot/dts/amlogic/amlogic-s7.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/amlogic-s7.dtsi
> @@ -6,6 +6,7 @@
>  #include <dt-bindings/interrupt-controller/irq.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/pinctrl/amlogic,pinctrl.h>
>  
>  / {
>  	cpus {
> @@ -94,6 +95,86 @@ uart_b: serial@...00 {
>  				clock-names = "xtal", "pclk", "baud";
>  				status = "disabled";
>  			};
> +
> +			periphs_pinctrl: pinctrl {

If you have non-boolean ranges, then this should have a unit address 
(@4000).

> +				compatible = "amlogic,pinctrl-s7";
> +				#address-cells = <2>;
> +				#size-cells = <2>;

Doesn't look like you need 64-bits of address and size. 1 cell is 
enough.

> +				ranges = <0x0 0x0 0x0 0x4000 0x0 0x340>;