[PATCH 2/2] riscv: dts: starfive: enable heartbeat LED for Milk-V Mars

FUKAUMI Naoki naoki at milkv.io
Thu Jun 20 18:02:26 PDT 2024


Hi,

On 6/21/24 08:13, Heinrich Schuchardt wrote:
> On 6/13/24 04:48, FUKAUMI Naoki wrote:
>> Milk-V Mars has a green LED to show system load. This patch enables
>> a green LED as a heartbeat LED.
>>
>> Signed-off-by: FUKAUMI Naoki <naoki at milkv.io>
>> ---
>>   arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts | 13 +++++++++++++
>>   1 file changed, 13 insertions(+)
>>
>> diff --git a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts 
>> b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
>> index fa0eac78e0ba..4f4bbf64dbe4 100644
>> --- a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
>> +++ b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
>> @@ -4,11 +4,24 @@
>>    */
>>   /dts-v1/;
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/leds/common.h>
>>   #include "jh7110-common.dtsi"
>>   / {
>>       model = "Milk-V Mars";
>>       compatible = "milkv,mars", "starfive,jh7110";
>> +
>> +    leds {
>> +        compatible = "gpio-leds";
>> +
>> +        led-0 {
>> +            gpios = <&aongpio 3 GPIO_ACTIVE_HIGH>;
>> +            color = <LED_COLOR_ID_GREEN>;
>> +            linux,default-trigger = "heartbeat";
>> +            function = LED_FUNCTION_HEARTBEAT;
> 
> According to the schematics the StarFive VisionFive 2 board like the 
> Mars board has RGPIO3 connected to a green LED to display the power 
> status. Shouldn't we consider both boards?

I think LED usage is vendor/board specific.

Best regards,

--
FUKAUMI Naoki
Shenzhen MilkV Technology Co., Ltd.

> Best regards
> 
> Heinrich
> 
>> +        };
>> +    };
>>   };
>>   &gmac0 {
> 
> 



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