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openwrt/target/linux/generic/backport-5.15/705-02-v5.19-net-dsa-mt7530-populate-supported_interfaces-and-mac.patch
John Audia ec8c837eab kernel: bump 5.15 to 5.15.105 
Manually rebased:

Removed upstreamed:
	backport-5.15/743-v6.3-0005-net-dsa-b53-mmap-fix-device-tree-support.patch[1]
	backport-5.15/743-v6.3-0006-net-dsa-tag_brcm-legacy-fix-daisy-chained-switches.patch[2]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.105&id=9bbb3d3f218f1cf51f57a43cf8fd63b05be1b821
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.105&id=48f52431af9980582b6faa32ff8b581edb10486c

Build system: x86_64
Build-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod
Run-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod

Signed-off-by: John Audia <therealgraysky@proton.me>
2023-04-01 19:58:44 +02:00

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From a1da54bcd664fc27169386db966575675ac3ccb0 Mon Sep 17 00:00:00 2001
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Date: Mon, 11 Apr 2022 10:46:01 +0100
Subject: [PATCH 02/13] net: dsa: mt7530: populate supported_interfaces and
mac_capabilities
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Populate the supported interfaces and MAC capabilities for mt7530,
mt7531 and mt7621 DSA switches. Filling this in will enable phylink
to pre-check the PHY interface mode against the the supported
interfaces bitmap prior to calling the validate function, and will
eventually allow us to convert to using the generic validation.
Tested-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/dsa/mt7530.c | 74 ++++++++++++++++++++++++++++++++++++++++
drivers/net/dsa/mt7530.h | 2 ++
2 files changed, 76 insertions(+)
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2412,6 +2412,32 @@ mt7531_setup(struct dsa_switch *ds)
return 0;
}
+static void mt7530_mac_port_get_caps(struct dsa_switch *ds, int port,
+ struct phylink_config *config)
+{
+ switch (port) {
+ case 0 ... 4: /* Internal phy */
+ __set_bit(PHY_INTERFACE_MODE_GMII,
+ config->supported_interfaces);
+ break;
+
+ case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
+ phy_interface_set_rgmii(config->supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_MII,
+ config->supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_GMII,
+ config->supported_interfaces);
+ break;
+
+ case 6: /* 1st cpu port */
+ __set_bit(PHY_INTERFACE_MODE_RGMII,
+ config->supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_TRGMII,
+ config->supported_interfaces);
+ break;
+ }
+}
+
static bool
mt7530_phy_mode_supported(struct dsa_switch *ds, int port,
const struct phylink_link_state *state)
@@ -2448,6 +2474,37 @@ static bool mt7531_is_rgmii_port(struct
return (port == 5) && (priv->p5_intf_sel != P5_INTF_SEL_GMAC5_SGMII);
}
+static void mt7531_mac_port_get_caps(struct dsa_switch *ds, int port,
+ struct phylink_config *config)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ switch (port) {
+ case 0 ... 4: /* Internal phy */
+ __set_bit(PHY_INTERFACE_MODE_GMII,
+ config->supported_interfaces);
+ break;
+
+ case 5: /* 2nd cpu port supports either rgmii or sgmii/8023z */
+ if (mt7531_is_rgmii_port(priv, port)) {
+ phy_interface_set_rgmii(config->supported_interfaces);
+ break;
+ }
+ fallthrough;
+
+ case 6: /* 1st cpu port supports sgmii/8023z only */
+ __set_bit(PHY_INTERFACE_MODE_SGMII,
+ config->supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_1000BASEX,
+ config->supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_2500BASEX,
+ config->supported_interfaces);
+
+ config->mac_capabilities |= MAC_2500FD;
+ break;
+ }
+}
+
static bool
mt7531_phy_mode_supported(struct dsa_switch *ds, int port,
const struct phylink_link_state *state)
@@ -2924,6 +2981,18 @@ mt7531_cpu_port_config(struct dsa_switch
return 0;
}
+static void mt753x_phylink_get_caps(struct dsa_switch *ds, int port,
+ struct phylink_config *config)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ /* This switch only supports full-duplex at 1Gbps */
+ config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100 | MAC_1000FD;
+
+ priv->info->mac_port_get_caps(ds, port, config);
+}
+
static void
mt7530_mac_port_validate(struct dsa_switch *ds, int port,
unsigned long *supported)
@@ -3159,6 +3228,7 @@ static const struct dsa_switch_ops mt753
.port_vlan_del = mt7530_port_vlan_del,
.port_mirror_add = mt753x_port_mirror_add,
.port_mirror_del = mt753x_port_mirror_del,
+ .phylink_get_caps = mt753x_phylink_get_caps,
.phylink_validate = mt753x_phylink_validate,
.phylink_mac_link_state = mt753x_phylink_mac_link_state,
.phylink_mac_config = mt753x_phylink_mac_config,
@@ -3176,6 +3246,7 @@ static const struct mt753x_info mt753x_t
.phy_read = mt7530_phy_read,
.phy_write = mt7530_phy_write,
.pad_setup = mt7530_pad_clk_setup,
+ .mac_port_get_caps = mt7530_mac_port_get_caps,
.phy_mode_supported = mt7530_phy_mode_supported,
.mac_port_validate = mt7530_mac_port_validate,
.mac_port_get_state = mt7530_phylink_mac_link_state,
@@ -3187,6 +3258,7 @@ static const struct mt753x_info mt753x_t
.phy_read = mt7530_phy_read,
.phy_write = mt7530_phy_write,
.pad_setup = mt7530_pad_clk_setup,
+ .mac_port_get_caps = mt7530_mac_port_get_caps,
.phy_mode_supported = mt7530_phy_mode_supported,
.mac_port_validate = mt7530_mac_port_validate,
.mac_port_get_state = mt7530_phylink_mac_link_state,
@@ -3199,6 +3271,7 @@ static const struct mt753x_info mt753x_t
.phy_write = mt7531_ind_phy_write,
.pad_setup = mt7531_pad_setup,
.cpu_port_config = mt7531_cpu_port_config,
+ .mac_port_get_caps = mt7531_mac_port_get_caps,
.phy_mode_supported = mt7531_phy_mode_supported,
.mac_port_validate = mt7531_mac_port_validate,
.mac_port_get_state = mt7531_phylink_mac_link_state,
@@ -3261,6 +3334,7 @@ mt7530_probe(struct mdio_device *mdiodev
*/
if (!priv->info->sw_setup || !priv->info->pad_setup ||
!priv->info->phy_read || !priv->info->phy_write ||
+ !priv->info->mac_port_get_caps ||
!priv->info->phy_mode_supported ||
!priv->info->mac_port_validate ||
!priv->info->mac_port_get_state || !priv->info->mac_port_config)
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -769,6 +769,8 @@ struct mt753x_info {
int (*phy_write)(struct mt7530_priv *priv, int port, int regnum, u16 val);
int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
int (*cpu_port_config)(struct dsa_switch *ds, int port);
+ void (*mac_port_get_caps)(struct dsa_switch *ds, int port,
+ struct phylink_config *config);
bool (*phy_mode_supported)(struct dsa_switch *ds, int port,
const struct phylink_link_state *state);
void (*mac_port_validate)(struct dsa_switch *ds, int port,
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