From: Matthias Kaehlcke <mka@chromium.org>
To: satya priya <skakit@codeaurora.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
gregkh@linuxfoundation.org, Andy Gross <agross@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, akashast@codeaurora.org,
rojay@codeaurora.org, msavaliy@qti.qualcomm.com
Subject: Re: [PATCH V3 1/3] arm64: dts: sc7180: Add wakeup support over UART RX
Date: Fri, 21 Aug 2020 09:26:30 -0700 [thread overview]
Message-ID: <20200821162630.GA486007@google.com> (raw)
In-Reply-To: <1597931467-24268-2-git-send-email-skakit@codeaurora.org>
On Thu, Aug 20, 2020 at 07:21:05PM +0530, satya priya wrote:
> Add the necessary pinctrl and interrupts to make UART
> wakeup capable.
>
> Signed-off-by: satya priya <skakit@codeaurora.org>
> Reviewed-by: Akash Asthana <akashast@codeaurora.org>
> ---
> Changes in V2:
> - As per Matthias's comment added wakeup support for all the UARTs
> of SC7180.
>
> Changes in V3:
> - No change.
>
> arch/arm64/boot/dts/qcom/sc7180.dtsi | 98 ++++++++++++++++++++++++++++++------
> 1 file changed, 84 insertions(+), 14 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index d46b383..855b13e 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
>
> ...
>
> + qup_uart0_sleep: qup-uart0-sleep {
> + pinmux {
> + pins = "gpio34", "gpio35",
> + "gpio36", "gpio37";
> + function = "gpio";
What is the reason that the GPIO function needs to be selected in sleep mode
to support wakeup?
This should be explained in the commit message unless it is evident.
next prev parent reply other threads:[~2020-08-21 16:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-20 13:51 [PATCH V3 0/3] Add wakeup support over UART RX satya priya
2020-08-20 13:51 ` [PATCH V3 1/3] arm64: dts: sc7180: " satya priya
2020-08-21 16:26 ` Matthias Kaehlcke [this message]
2020-08-20 13:51 ` [PATCH V3 2/3] arm64: dts: qcom: sc7180: Add sleep pin ctrl for BT uart satya priya
2020-08-21 17:22 ` Matthias Kaehlcke
2020-08-25 13:12 ` skakit
2020-08-25 16:38 ` Matthias Kaehlcke
2020-08-26 16:05 ` skakit
2020-08-26 16:40 ` Matthias Kaehlcke
2020-08-27 15:07 ` skakit
2020-08-27 15:23 ` Matthias Kaehlcke
2020-08-28 11:56 ` skakit
2020-08-20 13:51 ` [PATCH V3 3/3] tty: serial: qcom_geni_serial: Fix the UART wakeup issue satya priya
-- strict thread matches above, loose matches on Subject: below --
2020-09-02 13:09 [PATCH V3 1/3] arm64: dts: sc7180: Add wakeup support over UART RX skakit
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