From 594c6c2e3ea2146d693c64ec3d0a26127d47aeec Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Tue, 21 Mar 2023 18:33:59 +0100 Subject: [PATCH] net: dsa: b53: add BCM63268 RGMII configuration MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit BCM63268 requires special RGMII configuration to work. Signed-off-by: Álvaro Fernández Rojas Reviewed-by: Florian Fainelli Reviewed-by: Simon Horman Signed-off-by: Jakub Kicinski --- drivers/net/dsa/b53/b53_common.c | 6 +++++- drivers/net/dsa/b53/b53_regs.h | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 97327d7a6760..1f9b251a5452 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1240,8 +1240,12 @@ static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port, break; } - if (port != dev->imp_port) + if (port != dev->imp_port) { + if (is63268(dev)) + rgmii_ctrl |= RGMII_CTRL_MII_OVERRIDE; + rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII; + } b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl); diff --git a/drivers/net/dsa/b53/b53_regs.h b/drivers/net/dsa/b53/b53_regs.h index b2c539a42154..bfbcb66bef66 100644 --- a/drivers/net/dsa/b53/b53_regs.h +++ b/drivers/net/dsa/b53/b53_regs.h @@ -138,6 +138,7 @@ #define B53_RGMII_CTRL_IMP 0x60 #define RGMII_CTRL_ENABLE_GMII BIT(7) +#define RGMII_CTRL_MII_OVERRIDE BIT(6) #define RGMII_CTRL_TIMING_SEL BIT(2) #define RGMII_CTRL_DLL_RXC BIT(1) #define RGMII_CTRL_DLL_TXC BIT(0)