From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To: Alim Akhtar <alim.akhtar@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>,
linux-usb <linux-usb@vger.kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 01/12] arm64: dts: exynos: add USB DWC3 supplies to Espresso board
Date: Wed, 26 Jan 2022 09:10:13 +0100 [thread overview]
Message-ID: <cabc3a91-807c-856b-5b74-03788781e2a0@canonical.com> (raw)
In-Reply-To: <CAGOxZ51zavNVpvUv0C17Cit+pdkERC70m5Ez3ELGpFh8tGDozQ@mail.gmail.com>
On 26/01/2022 07:58, Alim Akhtar wrote:
> Hi Krzysztof
>
> On Mon, Jan 24, 2022 at 1:34 PM Krzysztof Kozlowski
> <krzysztof.kozlowski@canonical.com> wrote:
>>
>> Add required voltage regulators for USB DWC3 block on Exynos7 Espresso
>> board. Due to lack of schematics of Espresso board, the choice of
>> regulators is approximate. What bindings call VDD10, for Exynos7 should
>> be actually called VDD09 (0.9 V). Use regulators with a matching
>> voltage range based on vendor sources for Meizu Pro 5 M576 handset (also
>> with Exynos7420).
>>
>
> I checked Espresso board schematic, it is 0.9V for the USB and supplied by LDO4
>
Thanks for checking!
Best regards,
Krzysztof
WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To: Alim Akhtar <alim.akhtar@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>,
linux-usb <linux-usb@vger.kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 01/12] arm64: dts: exynos: add USB DWC3 supplies to Espresso board
Date: Wed, 26 Jan 2022 09:10:13 +0100 [thread overview]
Message-ID: <cabc3a91-807c-856b-5b74-03788781e2a0@canonical.com> (raw)
In-Reply-To: <CAGOxZ51zavNVpvUv0C17Cit+pdkERC70m5Ez3ELGpFh8tGDozQ@mail.gmail.com>
On 26/01/2022 07:58, Alim Akhtar wrote:
> Hi Krzysztof
>
> On Mon, Jan 24, 2022 at 1:34 PM Krzysztof Kozlowski
> <krzysztof.kozlowski@canonical.com> wrote:
>>
>> Add required voltage regulators for USB DWC3 block on Exynos7 Espresso
>> board. Due to lack of schematics of Espresso board, the choice of
>> regulators is approximate. What bindings call VDD10, for Exynos7 should
>> be actually called VDD09 (0.9 V). Use regulators with a matching
>> voltage range based on vendor sources for Meizu Pro 5 M576 handset (also
>> with Exynos7420).
>>
>
> I checked Espresso board schematic, it is 0.9V for the USB and supplied by LDO4
>
Thanks for checking!
Best regards,
Krzysztof
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next prev parent reply other threads:[~2022-01-26 8:10 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-23 11:16 [PATCH 00/12] usb: dt-bindings: samsung: convert to dtschema Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 01/12] arm64: dts: exynos: add USB DWC3 supplies to Espresso board Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-26 6:58 ` Alim Akhtar
2022-01-26 6:58 ` Alim Akhtar
2022-01-26 8:10 ` Krzysztof Kozlowski [this message]
2022-01-26 8:10 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 02/12] ARM: dts: exynos: add USB DWC3 supplies to Arndale Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 03/12] ARM: dts: exynos: add USB DWC3 supplies to SMDK5250 Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 04/12] ARM: dts: exynos: add USB DWC3 supplies to Chromebook Snow Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 05/12] ARM: dts: exynos: add USB DWC3 supplies to Chromebook Spring Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 06/12] ARM: dts: exynos: add USB DWC3 supplies to ArndaleOcta Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 07/12] ARM: dts: exynos: add USB DWC3 supplies to Chromebook Peach Pit Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 08/12] ARM: dts: exynos: add USB DWC3 supplies to Chromebook Peach Pi Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 09/12] ARM: dts: exynos: add USB DWC3 supplies to SMDK5420 Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 10/12] ARM: dts: exynos: add fake USB DWC3 supplies to SMDK5410 Krzysztof Kozlowski
2022-01-23 11:16 ` Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 11/12] dt-bindings: usb: samsung,exynos-dwc3: convert to dtschema Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 11/12] dt-bindings: usb: samsung, exynos-dwc3: " Krzysztof Kozlowski
2022-02-09 3:05 ` [PATCH 11/12] dt-bindings: usb: samsung,exynos-dwc3: " Rob Herring
2022-02-09 3:05 ` Rob Herring
2022-01-23 11:16 ` [PATCH 12/12] dt-bindings: usb: samsung,exynos-usb2: " Krzysztof Kozlowski
2022-01-23 11:16 ` [PATCH 12/12] dt-bindings: usb: samsung, exynos-usb2: " Krzysztof Kozlowski
2022-02-09 3:06 ` [PATCH 12/12] dt-bindings: usb: samsung,exynos-usb2: " Rob Herring
2022-02-09 3:06 ` Rob Herring
2022-01-25 17:02 ` [PATCH 00/12] usb: dt-bindings: samsung: convert to dtschema (subset) Krzysztof Kozlowski
2022-01-25 17:02 ` Krzysztof Kozlowski
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