Re: [PATCH net-next 0/2] net: dsa: microchip: Add of config for LED mode for ksz87xx and ksz88x3

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On Mon, Dec 09, 2024 at 09:26:33PM +0100, Marek Vasut wrote:
> On 12/9/24 7:22 PM, Andrew Lunn wrote:
> > On Mon, Dec 09, 2024 at 06:58:50PM +0100, Fedor Ross wrote:
> > > Add support for the led-mode property for the following PHYs which have
> > > a single LED mode configuration value.
> > > 
> > > KSZ8765, KSZ8794 and KSZ8795 use register 0x0b bits 5,4 to control the
> > > LED configuration.
> > > 
> > > KSZ8863 and KSZ8873 use register 0xc3 bits 5,4 to control the LED
> > > configuration.
> > 
> > PHY and MAC LEDs should be configured via /sys/class/leds. Please take
> > a look at how the Marvell PHY and DSA driver, qca8k driver etc do
> > LEDs.
> According to KSZ8794 datasheet, this register 0xb is Global Control:
> 
> Register 11 (0x0B): Global Control 9
> 
> So this does not seems like per-port LED control, but rather some global
> control for all LEDs on all ports on the chip ?

Still should be able to use the standard binding and sysfs controls. The 
driver just has to reject invalid combinations.

Rob





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