linux-kernel - Re: [PATCH v3 1/2] net: phy: dp83867: Add binding for the CLK

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Message-ID: <4CCCD320-91E4-4FCD-A467-FD323BAB2427@gmail.com>
Date:   Wed, 14 Feb 2018 09:04:12 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Daniel Schultz <d.schultz@...tec.de>, robh+dt@...nel.org,
        mark.rutland@....com, andrew@...n.ch, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
CC:     w.egorov@...tec.de
Subject: Re: [PATCH v3 1/2] net: phy: dp83867: Add binding for the CLK_OUT pin muxing option

On February 14, 2018 8:07:11 AM PST, Daniel Schultz <d.schultz@...tec.de> wrote:
>From: Wadim Egorov <w.egorov@...tec.de>
>
>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@...tec.de>
>Signed-off-by: Daniel Schultz <d.schultz@...tec.de>
>---
>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@...il.com>

-- 
Florian