netdev - Re: [PATCH] b53: Add brcm5389 support

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Message-ID: <8afebb81f3be0ff0838fff6a81eeaafb3e9dca26.camel@vitec.com>
Date:   Thu, 31 May 2018 07:02:02 +0000
From:   Damien Thébault <damien.thebault@...ec.com>
To:     "vivien.didelot@...oirfairelinux.com" 
        <vivien.didelot@...oirfairelinux.com>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "andrew@...n.ch" <andrew@...n.ch>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] b53: Add brcm5389 support

Hello Florian,

Thanks for your feedback, I will send a v2 with those changes.

Regards

On Wed, 2018-05-30 at 10:46 -0700, Florian Fainelli wrote:
> 
> On 05/30/2018 08:33 AM, Damien Thébault wrote:
> > This patch adds support for the BCM5389 switch connected through
> > MDIO.
> 
> This looks good, please do address the following couple of things:
> - subject should be: net: dsa: b53: Add BCM5389 support
> - you also need to update
> Documentation/devicetree/bindings/net/dsa/b53.txt with the compatible
> string
> 
> Thank you!
> 
> > 
> > Signed-off-by: Damien Thébault <damien.thebault@...ec.com>
> > ---
> >  drivers/net/dsa/b53/b53_common.c | 13 +++++++++++++
> >  drivers/net/dsa/b53/b53_mdio.c   |  5 ++++-
> >  drivers/net/dsa/b53/b53_priv.h   |  1 +
> >  3 files changed, 18 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/net/dsa/b53/b53_common.c
> > b/drivers/net/dsa/b53/b53_common.c
> > index 78616787f2a3..3da5fca77cbd 100644
> > --- a/drivers/net/dsa/b53/b53_common.c
> > +++ b/drivers/net/dsa/b53/b53_common.c
> > @@ -1711,6 +1711,18 @@ static const struct b53_chip_data
> > b53_switch_chips[] = {
> >  		.cpu_port = B53_CPU_PORT_25,
> >  		.duplex_reg = B53_DUPLEX_STAT_FE,
> >  	},
> > +	{
> > +		.chip_id = BCM5389_DEVICE_ID,
> > +		.dev_name = "BCM5389",
> > +		.vlans = 4096,
> > +		.enabled_ports = 0x1f,
> > +		.arl_entries = 4,
> > +		.cpu_port = B53_CPU_PORT,
> > +		.vta_regs = B53_VTA_REGS,
> > +		.duplex_reg = B53_DUPLEX_STAT_GE,
> > +		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
> > +		.jumbo_size_reg = B53_JUMBO_MAX_SIZE,
> > +	},
> >  	{
> >  		.chip_id = BCM5395_DEVICE_ID,
> >  		.dev_name = "BCM5395",
> > @@ -2034,6 +2046,7 @@ int b53_switch_detect(struct b53_device *dev)
> >  		else
> >  			dev->chip_id = BCM5365_DEVICE_ID;
> >  		break;
> > +	case BCM5389_DEVICE_ID:
> >  	case BCM5395_DEVICE_ID:
> >  	case BCM5397_DEVICE_ID:
> >  	case BCM5398_DEVICE_ID:
> > diff --git a/drivers/net/dsa/b53/b53_mdio.c
> > b/drivers/net/dsa/b53/b53_mdio.c
> > index fa7556f5d4fb..a533a90e3904 100644
> > --- a/drivers/net/dsa/b53/b53_mdio.c
> > +++ b/drivers/net/dsa/b53/b53_mdio.c
> > @@ -285,6 +285,7 @@ static const struct b53_io_ops b53_mdio_ops = {
> >  #define B53_BRCM_OUI_1	0x0143bc00
> >  #define B53_BRCM_OUI_2	0x03625c00
> >  #define B53_BRCM_OUI_3	0x00406000
> > +#define B53_BRCM_OUI_4	0x01410c00
> >  
> >  static int b53_mdio_probe(struct mdio_device *mdiodev)
> >  {
> > @@ -311,7 +312,8 @@ static int b53_mdio_probe(struct mdio_device
> > *mdiodev)
> >  	 */
> >  	if ((phy_id & 0xfffffc00) != B53_BRCM_OUI_1 &&
> >  	    (phy_id & 0xfffffc00) != B53_BRCM_OUI_2 &&
> > -	    (phy_id & 0xfffffc00) != B53_BRCM_OUI_3) {
> > +	    (phy_id & 0xfffffc00) != B53_BRCM_OUI_3 &&
> > +	    (phy_id & 0xfffffc00) != B53_BRCM_OUI_4) {
> >  		dev_err(&mdiodev->dev, "Unsupported device:
> > 0x%08x\n", phy_id);
> >  		return -ENODEV;
> >  	}
> > @@ -360,6 +362,7 @@ static const struct of_device_id b53_of_match[]
> > = {
> >  	{ .compatible = "brcm,bcm53125" },
> >  	{ .compatible = "brcm,bcm53128" },
> >  	{ .compatible = "brcm,bcm5365" },
> > +	{ .compatible = "brcm,bcm5389" },
> >  	{ .compatible = "brcm,bcm5395" },
> >  	{ .compatible = "brcm,bcm5397" },
> >  	{ .compatible = "brcm,bcm5398" },
> > diff --git a/drivers/net/dsa/b53/b53_priv.h
> > b/drivers/net/dsa/b53/b53_priv.h
> > index 1187ebd79287..3b57f47d0e79 100644
> > --- a/drivers/net/dsa/b53/b53_priv.h
> > +++ b/drivers/net/dsa/b53/b53_priv.h
> > @@ -48,6 +48,7 @@ struct b53_io_ops {
> >  enum {
> >  	BCM5325_DEVICE_ID = 0x25,
> >  	BCM5365_DEVICE_ID = 0x65,
> > +	BCM5389_DEVICE_ID = 0x89,
> >  	BCM5395_DEVICE_ID = 0x95,
> >  	BCM5397_DEVICE_ID = 0x97,
> >  	BCM5398_DEVICE_ID = 0x98,
> > 
> 
> 
-- 
Damien Thébault
R&D Engineer
VITEC

T. +33 1 46 73 06 06
F. +33 9 59 85 99 92
E. damien.thebault@...ec.com
http://www.vitec.com