From: Kelvin Zhang <kelvin.zhang@amlogic.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
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 10:49:52 +0800 [thread overview]
Message-ID: <3dceafbf-49d4-4084-bfae-74384e187941@amlogic.com> (raw)
In-Reply-To: <20250314-tested-husky-of-force-1ccdca@krzk-bin>
On 2025/3/14 16:01, Krzysztof Kozlowski wrote:
>
> On Thu, Mar 13, 2025 at 05:05:35PM +0800, Kelvin Zhang wrote:
>> &apb {
>> + reset: reset-controller@2000 {
>> + compatible = "amlogic,a4-reset",
>> + "amlogic,meson-s4-reset";
>> + reg = <0x0 0x2000 0x0 0x98>;
>> + #reset-cells = <1>;
>> + };
>> +
>
> 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 {
>> compatible = "amlogic,pinctrl-a4";
>> #address-cells = <2>;
>
> Best regards,
> Krzysztof
>
--
Best regards,
Kelvin Zhang
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next prev parent reply other threads:[~2025-03-17 2:52 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 [this message]
2025-03-17 7:28 ` Krzysztof Kozlowski
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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