linux-kernel - Re: [PATCH 3/5] arm64: dts: qcom: qrb4210-rb2: Add GPIO LEDs

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Message-ID: <b050f3c4-6ff0-d687-73bf-0f98a2e74bed@linaro.org>
Date:   Thu, 18 May 2023 11:41:41 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bjorn Andersson <andersson@...nel.org>
Cc:     Andy Gross <agross@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] arm64: dts: qcom: qrb4210-rb2: Add GPIO LEDs



On 18.05.2023 04:13, Bjorn Andersson wrote:
> On Mon, May 15, 2023 at 03:04:14PM +0200, Konrad Dybcio wrote:
>> Add the three LEDs (blue/yellow/green) connected to TLMM GPIOs.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>> ---
>>  arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 36 ++++++++++++++++++++++++++++++--
>>  1 file changed, 34 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
>> index 9b539720f05d..eeee268ebfe2 100644
>> --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
>> +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
>> @@ -5,6 +5,7 @@
>>  
>>  /dts-v1/;
>>  
>> +#include <dt-bindings/leds/common.h>
>>  #include "sm4250.dtsi"
>>  
>>  / {
>> @@ -30,6 +31,38 @@ hdmi_con: endpoint {
>>  		};
>>  	};
>>  
>> +	leds {
>> +		compatible = "gpio-leds";
>> +
>> +		led-bt {
>> +			label = "blue:bt";
>> +			function = LED_FUNCTION_BLUETOOTH;
>> +			color = <LED_COLOR_ID_BLUE>;
>> +			gpios = <&tlmm 45 GPIO_ACTIVE_HIGH>;
>> +			linux,default-trigger = "bluetooth-power";
>> +			default-state = "off";
>> +		};
>> +
>> +		led-user0 {
>> +			label = "green:user0";
>> +			function = LED_FUNCTION_INDICATOR;
>> +			color = <LED_COLOR_ID_GREEN>;
>> +			gpios = <&tlmm 52 GPIO_ACTIVE_HIGH>;
>> +			linux,default-trigger = "none";
>> +			default-state = "off";
>> +			panic-indicator;
>> +		};
>> +
>> +		led-wlan {
>> +			label = "yellow:wlan";
>> +			function = LED_FUNCTION_WLAN;
>> +			color = <LED_COLOR_ID_YELLOW>;
>> +			gpios = <&tlmm 47 GPIO_ACTIVE_HIGH>;
>> +			linux,default-trigger = "phy0tx";
>> +			default-state = "off";
>> +		};
>> +	};
>> +
>>  	vreg_hdmi_out_1p2: regulator-hdmi-out-1p2 {
>>  		compatible = "regulator-fixed";
>>  		regulator-name = "VREG_HDMI_OUT_1P2";
>> @@ -385,8 +418,7 @@ &sleep_clk {
>>  };
>>  
>>  &tlmm {
>> -	gpio-reserved-ranges = <43 2>, <47 1>,
>> -			       <49 1>, <52 1>, <54 1>,
>> +	gpio-reserved-ranges = <43 2>, <49 1>, <54 1>,
> 
> How come pin 49 becomes inaccessible here? Was this intended for the
> previous patch?
It doesn't, the "remove" part of the diff is 2-lines.

This reserved-ranges is totally bogus since introduction.. I can send
a separate patch squaring it out.

Konrad

> 
> Regards,
> Bjorn
> 
>>  			       <56 3>, <61 2>, <64 1>,
>>  			       <68 1>, <72 8>, <96 1>;
>>  
>>
>> -- 
>> 2.40.1
>>