Re: [net-next,PATCH 2/4] net: mdio-ipq4019: add clock support

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On 7/2/2020 3:29 AM, Robert Marko wrote:
> Some newer SoC-s have a separate MDIO clock that needs to be enabled.
> So lets add support for handling the clocks to the driver.
> 
> Signed-off-by: Robert Marko <robert.marko@xxxxxxxxxx>
> ---
>  drivers/net/phy/mdio-ipq4019.c | 28 +++++++++++++++++++++++++++-
>  1 file changed, 27 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/phy/mdio-ipq4019.c b/drivers/net/phy/mdio-ipq4019.c
> index 0e78830c070b..7660bf006da0 100644
> --- a/drivers/net/phy/mdio-ipq4019.c
> +++ b/drivers/net/phy/mdio-ipq4019.c
> @@ -9,6 +9,7 @@
>  #include <linux/iopoll.h>
>  #include <linux/of_address.h>
>  #include <linux/of_mdio.h>
> +#include <linux/clk.h>
>  #include <linux/phy.h>
>  #include <linux/platform_device.h>
>  
> @@ -24,8 +25,12 @@
>  #define IPQ4019_MDIO_TIMEOUT	10000
>  #define IPQ4019_MDIO_SLEEP		10
>  
> +#define QCA_MDIO_CLK_DEFAULT_RATE	100000000

100MHz? Is not that going to be a tad too much for most MDIO devices out
there?
-- 
Florian



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