linux-kernel - Re: [PATCH v4] arm64: dts: qcom: qcs6490-idp: Add definition for three LEDs.

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Message-ID: <CAA8EJpr_W2Uj=yU=xxn=5aUm7B6_6DXZnkNHendXa3zW_VL2=w@mail.gmail.com>
Date: Mon, 15 Jan 2024 11:53:58 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: hui liu <quic_huliu@...cinc.com>
Cc: Andy Gross <agross@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] arm64: dts: qcom: qcs6490-idp: Add definition for
 three LEDs.

On Mon, 15 Jan 2024 at 07:53, hui liu <quic_huliu@...cinc.com> wrote:
> On 1/12/2024 11:36 AM, Dmitry Baryshkov wrote:
> > On Fri, 12 Jan 2024 at 05:07, Hui Liu via B4 Relay
> > <devnull+quic_huliu.quicinc.com@...nel.org> wrote:
> >>
> >> From: Hui Liu <quic_huliu@...cinc.com>
> >>
> >> Add definition for three LEDs to make sure they can
> >> be enabled base on QCOM LPG LED driver.
> >>
> >> Signed-off-by: Hui Liu <quic_huliu@...cinc.com>
> >> ---
> >> Changes in v4:
> >> - Removed "label" definition and added "function" definition.
> >
> > You have removed "label", but you didn't add "function".
> I added function node "function = LED_FUNCTION_STATUS;"
> Don't you mean this function node? I didn't get your mean.

The "function" is a property of the LED (each of them) rather than
being a top-level property.

> >
> > BTW: the commit subject is still wrong. Compare "qmp6490-idp" vs "qcs6490-idp"
> OK, I will update it to qcm6490-idp.
> >
> >> - Link to v3: https://lore.kernel.org/r/20231215-lpg-v3-1-4e2db0c6df5f@quicinc.com
> >>
> >> Changes in v3:
> >> - Rephrased commit text and updated the nodes to qcm6490-idp board file.
> >> - Link to v2: https://lore.kernel.org/all/20231110-qcom_leds-v2-1-3cad1fbbc65a@quicinc.com/
> >>
> >> Changes in v2:
> >> - Rephrased commit text and updated the nodes to board file.
> >> - Link to v1: https://lore.kernel.org/r/20231108-qcom_leds-v1-1-c3e1c8572cb0@quicinc.com
> >> ---
> >>   arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 23 +++++++++++++++++++++++
> >>   1 file changed, 23 insertions(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
> >> index 37c91fdf3ab9..8268fad505e7 100644
> >> --- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
> >> +++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
> >> @@ -5,6 +5,7 @@
> >>
> >>   /dts-v1/;
> >>
> >> +#include <dt-bindings/leds/common.h>
> >>   #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> >>   #include "sc7280.dtsi"
> >>   #include "pm7325.dtsi"
> >> @@ -414,6 +415,28 @@ vreg_bob_3p296: bob {
> >>          };
> >>   };
> >>
> >> +&pm8350c_pwm {
> >> +       function = LED_FUNCTION_STATUS;
> >> +       #address-cells = <1>;
> >> +       #size-cells = <0>;
> >> +       status = "okay";
> >> +
> >> +       led@1 {
> >> +               reg = <1>;
> >> +               color = <LED_COLOR_ID_RED>;
> >> +       };
> >> +
> >> +       led@2 {
> >> +               reg = <2>;
> >> +               color = <LED_COLOR_ID_GREEN>;
> >> +       };
> >> +
> >> +       led@3 {
> >> +               reg = <3>;
> >> +               color = <LED_COLOR_ID_BLUE>;
> >> +       };
> >> +};
> >> +
> >>   &qupv3_id_0 {
> >>          status = "okay";
> >>   };
> >>
> >> ---
> >> base-commit: 17cb8a20bde66a520a2ca7aad1063e1ce7382240
> >> change-id: 20231215-lpg-4aadd374811a
> >>
> >> Best regards,
> >> --
> >> Hui Liu <quic_huliu@...cinc.com>
> >>
> >>
> >
> >



-- 
With best wishes
Dmitry