From: Krzysztof Kozlowski <krzk@kernel.org>
To: Kelvin Zhang <kelvin.zhang@amlogic.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
Zelong Dong <zelong.dong@amlogic.com>
Subject: Re: [PATCH v4 2/3] arm64: dts: amlogic: Add A4 Reset Controller
Date: Mon, 17 Mar 2025 08:28:45 +0100 [thread overview]
Message-ID: <4cec908c-1412-4e18-959d-b71c9ec21eb4@kernel.org> (raw)
In-Reply-To: <3dceafbf-49d4-4084-bfae-74384e187941@amlogic.com>
On 17/03/2025 03:49, Kelvin Zhang wrote:
>>
>> Why do you have on the bus devices with bus addressing and without it?
>> What sort of bus is it?
>
> Are you referring to the 'apb'?
> If so, the 'apb' bus is defined in
> arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi.
>
> apb: bus@fe000000 {
> compatible = "simple-bus";
> reg = <0x0 0xfe000000 0x0 0x480000>;
> #address-cells = <2>;
> #size-cells = <2>;
> ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>;
>
>>
>>> periphs_pinctrl: pinctrl {
Then what the heck is this?
>>> compatible = "amlogic,pinctrl-a4";
>>> #address-cells = <2>;
>>
>> Best regards,
>> Krzysztof
>>
>
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-03-17 7:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-13 9:05 [PATCH v4 0/3] Add support for Amlogic A4/A5 Reset Kelvin Zhang via B4 Relay
2025-03-13 9:05 ` [PATCH v4 1/3] dt-bindings: reset: Add compatible for Amlogic A4/A5 Reset Controller Kelvin Zhang via B4 Relay
2025-03-13 9:05 ` [PATCH v4 2/3] arm64: dts: amlogic: Add A4 " Kelvin Zhang via B4 Relay
2025-03-14 8:01 ` Krzysztof Kozlowski
2025-03-17 2:49 ` Kelvin Zhang
2025-03-17 7:28 ` Krzysztof Kozlowski [this message]
2025-03-17 9:51 ` Xianwei Zhao
2025-03-13 9:05 ` [PATCH v4 3/3] arm64: dts: amlogic: Add A5 " Kelvin Zhang via B4 Relay
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