From: Alexey Romanov <avromanov@salutedevices.com>
To: "robh+dt@kernel.org" <robh+dt@kernel.org>,
"krzysztof.kozlowski+dt@linaro.org"
<krzysztof.kozlowski+dt@linaro.org>,
"conor+dt@kernel.org" <conor+dt@kernel.org>,
"neil.armstrong@linaro.org" <neil.armstrong@linaro.org>,
"khilman@baylibre.com" <khilman@baylibre.com>,
"jbrunet@baylibre.com" <jbrunet@baylibre.com>,
"martin.blumenstingl@googlemail.com"
<martin.blumenstingl@googlemail.com>
Cc: "linux-amlogic@lists.infradead.org"
<linux-amlogic@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
kernel <kernel@sberdevices.ru>,
Dmitry Rokosov <ddrokosov@salutedevices.com>
Subject: Re: [PATCH v1] arch: arm64: dts: meson: a1: add assigned-clocks for usb node
Date: Thu, 1 Feb 2024 15:30:33 +0000 [thread overview]
Message-ID: <20240201153027.ecxqx3ehh6tbkgrc@cab-wsm-0029881> (raw)
In-Reply-To: <20240124130623.3471236-1-avromanov@salutedevices.com>
Hello! Ping.
On Wed, Jan 24, 2024 at 04:06:23PM +0300, Alexey Romanov wrote:
> To ensure proper functionality of USB, it is necessary to use
> the rate of 64000000 for CLKID_USB_BUS. For instance, adb may
> not function correctly without this setting. This information
> has been derived from the vendor SDK.
>
> Signed-off-by: Alexey Romanov <avromanov@salutedevices.com>
> Signed-off-by: Dmitry Rokosov <ddrokosov@salutedevices.com>
> ---
> arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> index cf150f568335..b9fd69112535 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> @@ -668,6 +668,8 @@ usb: usb@fe004400 {
> <&clkc_periphs CLKID_USB_BUS>,
> <&clkc_periphs CLKID_USB_CTRL_IN>;
> clock-names = "usb_ctrl", "usb_bus", "xtal_usb_ctrl";
> + assigned-clocks = <&clkc_periphs CLKID_USB_BUS>;
> + assigned-clock-rates = <64000000>;
> resets = <&reset RESET_USBCTRL>;
> reset-name = "usb_ctrl";
>
> --
> 2.34.1
>
--
Thank you,
Alexey
next prev parent reply other threads:[~2024-02-01 15:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-24 13:06 [PATCH v1] arch: arm64: dts: meson: a1: add assigned-clocks for usb node Alexey Romanov
2024-02-01 15:30 ` Alexey Romanov [this message]
2024-02-01 15:33 ` neil.armstrong
2024-02-13 8:47 ` Neil Armstrong
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