Re: [PATCH v3 1/2] net: phy: dp83867: Add binding for the CLK_OUT pin muxing option

From: Florian Fainelli
Date: Wed Feb 14 2018 - 12:04:28 EST


On February 14, 2018 8:07:11 AM PST, Daniel Schultz <d.schultz@xxxxxxxxx> wrote:
>From: Wadim Egorov <w.egorov@xxxxxxxxx>
>
>The DP83867 has a muxing option for the CLK_OUT pin. It is possible
>to set CLK_OUT for different channels.
>Create a binding to select a specific clock for CLK_OUT pin.
>
>Signed-off-by: Wadim Egorov <w.egorov@xxxxxxxxx>
>Signed-off-by: Daniel Schultz <d.schultz@xxxxxxxxx>
>---
>Changes:
> v2:
> Added check if clk_output_sel has a valid value
> Only write the clock ouput register if a musing is desired
> v3:
> -
>
> drivers/net/phy/dp83867.c | 19 +++++++++++++++++++
> include/dt-bindings/net/ti-dp83867.h | 14 ++++++++++++++
> 2 files changed, 33 insertions(+)
>
>diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
>index c1ab976..a862194 100644
>--- a/drivers/net/phy/dp83867.c
>+++ b/drivers/net/phy/dp83867.c
>@@ -75,6 +75,8 @@
>
> #define DP83867_IO_MUX_CFG_IO_IMPEDANCE_MAX 0x0
> #define DP83867_IO_MUX_CFG_IO_IMPEDANCE_MIN 0x1f
>+#define DP83867_IO_MUX_CFG_CLK_O_SEL_MASK (0x1f << 8)
>+#define DP83867_IO_MUX_CFG_CLK_O_SEL_SHIFT 8
>

Nit: it looks like you could use the shift constant you define for defining the mask as well.

Other than that:

Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>

--
Florian