diff options
Diffstat (limited to 'target/linux/mediatek/patches-5.4/0600-2-6-net-dsa-mt7530-Extend-device-data-ready-for-adding-a-new-hardware.patch')
| -rw-r--r-- | target/linux/mediatek/patches-5.4/0600-2-6-net-dsa-mt7530-Extend-device-data-ready-for-adding-a-new-hardware.patch | 441 |
1 files changed, 0 insertions, 441 deletions
diff --git a/target/linux/mediatek/patches-5.4/0600-2-6-net-dsa-mt7530-Extend-device-data-ready-for-adding-a-new-hardware.patch b/target/linux/mediatek/patches-5.4/0600-2-6-net-dsa-mt7530-Extend-device-data-ready-for-adding-a-new-hardware.patch deleted file mode 100644 index c4b117dcb7..0000000000 --- a/target/linux/mediatek/patches-5.4/0600-2-6-net-dsa-mt7530-Extend-device-data-ready-for-adding-a-new-hardware.patch +++ /dev/null @@ -1,441 +0,0 @@ -From patchwork Tue Dec 10 08:14:38 2019 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -X-Patchwork-Submitter: Landen Chao <landen.chao@mediatek.com> -X-Patchwork-Id: 1206963 -X-Patchwork-Delegate: davem@davemloft.net -Return-Path: <netdev-owner@vger.kernel.org> -X-Original-To: patchwork-incoming-netdev@ozlabs.org -Delivered-To: patchwork-incoming-netdev@ozlabs.org -Authentication-Results: ozlabs.org; spf=none (no SPF record) - smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; - helo=vger.kernel.org; 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Tue, 10 Dec 2019 16:14:26 +0800 -From: Landen Chao <landen.chao@mediatek.com> -To: <andrew@lunn.ch>, <f.fainelli@gmail.com>, - <vivien.didelot@savoirfairelinux.com>, <matthias.bgg@gmail.com>, - <robh+dt@kernel.org>, <mark.rutland@arm.com> -CC: <devicetree@vger.kernel.org>, <netdev@vger.kernel.org>, - <linux-kernel@vger.kernel.org>, - <linux-mediatek@lists.infradead.org>, <davem@davemloft.net>, - <sean.wang@mediatek.com>, <opensource@vdorst.com>, - <frank-w@public-files.de>, Landen Chao <landen.chao@mediatek.com> -Subject: [PATCH net-next 2/6] net: dsa: mt7530: Extend device data ready for - adding a new hardware -Date: Tue, 10 Dec 2019 16:14:38 +0800 -Message-ID: <2d546d6bb15ff8b4b75af2220e20db4e634f4145.1575914275.git.landen.chao@mediatek.com> -X-Mailer: git-send-email 2.18.0 -In-Reply-To: <cover.1575914275.git.landen.chao@mediatek.com> -References: <cover.1575914275.git.landen.chao@mediatek.com> -MIME-Version: 1.0 -X-MTK: N -Sender: netdev-owner@vger.kernel.org -Precedence: bulk -List-ID: <netdev.vger.kernel.org> -X-Mailing-List: netdev@vger.kernel.org - -Add a structure holding required operations for each device such as device -initialization, PHY port read or write, a checker whether PHY interface is -supported on a certain port, MAC port setup for either bus pad or a -specific PHY interface. - -The patch is done for ready adding a new hardware MT7531. - -Signed-off-by: Landen Chao <landen.chao@mediatek.com> -Signed-off-by: Sean Wang <sean.wang@mediatek.com> ---- - drivers/net/dsa/mt7530.c | 231 +++++++++++++++++++++++++++++---------- - drivers/net/dsa/mt7530.h | 29 ++++- - 2 files changed, 203 insertions(+), 57 deletions(-) - ---- a/drivers/net/dsa/mt7530.c -+++ b/drivers/net/dsa/mt7530.c -@@ -373,7 +373,7 @@ mt7530_fdb_write(struct mt7530_priv *pri - } - - static int --mt7530_pad_clk_setup(struct dsa_switch *ds, int mode) -+mt7530_pad_clk_setup(struct dsa_switch *ds, phy_interface_t mode) - { - struct mt7530_priv *priv = ds->priv; - u32 ncpo1, ssc_delta, trgint, i, xtal; -@@ -1355,13 +1355,111 @@ mt7530_setup(struct dsa_switch *ds) - return 0; - } - --static void mt7530_phylink_mac_config(struct dsa_switch *ds, int port, -+static bool mt7530_phy_supported(struct dsa_switch *ds, int port, -+ const struct phylink_link_state *state) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ -+ switch (port) { -+ case 0: /* Internal phy */ -+ case 1: -+ case 2: -+ case 3: -+ case 4: -+ if (state->interface != PHY_INTERFACE_MODE_GMII) -+ goto unsupported; -+ break; -+ case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */ -+ if (!phy_interface_mode_is_rgmii(state->interface) && -+ state->interface != PHY_INTERFACE_MODE_MII && -+ state->interface != PHY_INTERFACE_MODE_GMII) -+ goto unsupported; -+ break; -+ case 6: /* 1st cpu port */ -+ if (state->interface != PHY_INTERFACE_MODE_RGMII && -+ state->interface != PHY_INTERFACE_MODE_TRGMII) -+ goto unsupported; -+ break; -+ default: -+ dev_err(priv->dev, "%s: unsupported port: %i\n", __func__, -+ port); -+ goto unsupported; -+ } -+ -+ return true; -+ -+unsupported: -+ return false; -+} -+ -+static bool mt753x_phy_supported(struct dsa_switch *ds, int port, -+ const struct phylink_link_state *state) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ -+ return priv->info->phy_supported(ds, port, state); -+} -+ -+static int -+mt7530_pad_setup(struct dsa_switch *ds, const struct phylink_link_state *state) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ -+ /* Setup TX circuit incluing relevant PAD and driving */ -+ mt7530_pad_clk_setup(ds, state->interface); -+ -+ if (priv->id == ID_MT7530) { -+ /* Setup RX circuit, relevant PAD and driving on the -+ * host which must be placed after the setup on the -+ * device side is all finished. -+ */ -+ mt7623_pad_clk_setup(ds); -+ } -+ -+ return 0; -+} -+ -+static int -+mt753x_pad_setup(struct dsa_switch *ds, const struct phylink_link_state *state) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ -+ return priv->info->pad_setup(ds, state); -+} -+ -+static int -+mt7530_mac_setup(struct dsa_switch *ds, int port, unsigned int mode, -+ const struct phylink_link_state *state) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ -+ /* Only need to setup port5. */ -+ if (port != 5) -+ return 0; -+ -+ mt7530_setup_port5(priv->ds, state->interface); -+ -+ return 0; -+} -+ -+static int mt753x_mac_setup(struct dsa_switch *ds, int port, unsigned int mode, -+ const struct phylink_link_state *state) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ -+ return priv->info->mac_setup(ds, port, mode, state); -+} -+ -+static void mt753x_phylink_mac_config(struct dsa_switch *ds, int port, - unsigned int mode, - const struct phylink_link_state *state) - { - struct mt7530_priv *priv = ds->priv; - u32 mcr_cur, mcr_new; - -+ if (!mt753x_phy_supported(ds, port, state)) -+ return; -+ - switch (port) { - case 0: /* Internal phy */ - case 1: -@@ -1374,24 +1472,15 @@ static void mt7530_phylink_mac_config(st - case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */ - if (priv->p5_interface == state->interface) - break; -- if (!phy_interface_mode_is_rgmii(state->interface) && -- state->interface != PHY_INTERFACE_MODE_MII && -- state->interface != PHY_INTERFACE_MODE_GMII) -- return; -- -- mt7530_setup_port5(ds, state->interface); -+ if (mt753x_mac_setup(ds, port, mode, state) < 0) -+ goto unsupported; - break; - case 6: /* 1st cpu port */ - if (priv->p6_interface == state->interface) - break; -- -- if (state->interface != PHY_INTERFACE_MODE_RGMII && -- state->interface != PHY_INTERFACE_MODE_TRGMII) -- return; -- -- /* Setup TX circuit incluing relevant PAD and driving */ -- mt7530_pad_clk_setup(ds, state->interface); -- -+ mt753x_pad_setup(ds, state); -+ if (mt753x_mac_setup(ds, port, mode, state) < 0) -+ goto unsupported; - priv->p6_interface = state->interface; - break; - default: -@@ -1459,38 +1548,14 @@ static void mt7530_phylink_mac_link_up(s - mt7530_port_set_status(priv, port, 1); - } - --static void mt7530_phylink_validate(struct dsa_switch *ds, int port, -+static void mt753x_phylink_validate(struct dsa_switch *ds, int port, - unsigned long *supported, - struct phylink_link_state *state) - { - __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, }; - -- switch (port) { -- case 0: /* Internal phy */ -- case 1: -- case 2: -- case 3: -- case 4: -- if (state->interface != PHY_INTERFACE_MODE_NA && -- state->interface != PHY_INTERFACE_MODE_GMII) -- goto unsupported; -- break; -- case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */ -- if (state->interface != PHY_INTERFACE_MODE_NA && -- !phy_interface_mode_is_rgmii(state->interface) && -- state->interface != PHY_INTERFACE_MODE_MII && -- state->interface != PHY_INTERFACE_MODE_GMII) -- goto unsupported; -- break; -- case 6: /* 1st cpu port */ -- if (state->interface != PHY_INTERFACE_MODE_NA && -- state->interface != PHY_INTERFACE_MODE_RGMII && -- state->interface != PHY_INTERFACE_MODE_TRGMII) -- goto unsupported; -- break; -- default: -- dev_err(ds->dev, "%s: unsupported port: %i\n", __func__, port); --unsupported: -+ if (state->interface != PHY_INTERFACE_MODE_NA && -+ !mt753x_phy_supported(ds, port, state)) { - linkmode_zero(supported); - return; - } -@@ -1609,12 +1674,36 @@ static int mt7530_set_mac_eee(struct dsa - return 0; - } - -+static int -+mt753x_setup(struct dsa_switch *ds) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ -+ return priv->info->setup(ds); -+} -+ -+static int -+mt753x_phy_read(struct dsa_switch *ds, int port, int regnum) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ -+ return priv->info->phy_read(ds, port, regnum); -+} -+ -+static int -+mt753x_phy_write(struct dsa_switch *ds, int port, int regnum, u16 val) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ -+ return priv->info->phy_write(ds, port, regnum, val); -+} -+ - static const struct dsa_switch_ops mt7530_switch_ops = { - .get_tag_protocol = mtk_get_tag_protocol, -- .setup = mt7530_setup, -+ .setup = mt753x_setup, - .get_strings = mt7530_get_strings, -- .phy_read = mt7530_phy_read, -- .phy_write = mt7530_phy_write, -+ .phy_read = mt753x_phy_read, -+ .phy_write = mt753x_phy_write, - .get_ethtool_stats = mt7530_get_ethtool_stats, - .get_sset_count = mt7530_get_sset_count, - .port_enable = mt7530_port_enable, -@@ -1631,18 +1720,39 @@ static const struct dsa_switch_ops mt753 - .port_vlan_del = mt7530_port_vlan_del, - .port_mirror_add = mt7530_port_mirror_add, - .port_mirror_del = mt7530_port_mirror_del, -- .phylink_validate = mt7530_phylink_validate, -+ .phylink_validate = mt753x_phylink_validate, - .phylink_mac_link_state = mt7530_phylink_mac_link_state, -- .phylink_mac_config = mt7530_phylink_mac_config, -+ .phylink_mac_config = mt753x_phylink_mac_config, - .phylink_mac_link_down = mt7530_phylink_mac_link_down, - .phylink_mac_link_up = mt7530_phylink_mac_link_up, - .get_mac_eee = mt7530_get_mac_eee, - .set_mac_eee = mt7530_set_mac_eee, - }; - --static const struct of_device_id mt7530_of_match[] = { -- { .compatible = "mediatek,mt7621", .data = (void *)ID_MT7621, }, -- { .compatible = "mediatek,mt7530", .data = (void *)ID_MT7530, }, -+static const struct mt753x_info mt753x_table[] = { -+ [ID_MT7621] = { -+ .id = ID_MT7621, -+ .setup = mt7530_setup, -+ .phy_read = mt7530_phy_read, -+ .phy_write = mt7530_phy_write, -+ .phy_supported = mt7530_phy_supported, -+ .pad_setup = mt7530_pad_setup, -+ .mac_setup = mt7530_mac_setup, -+ }, -+ [ID_MT7530] = { -+ .id = ID_MT7530, -+ .setup = mt7530_setup, -+ .phy_read = mt7530_phy_read, -+ .phy_write = mt7530_phy_write, -+ .phy_supported = mt7530_phy_supported, -+ .pad_setup = mt7530_pad_setup, -+ .mac_setup = mt7530_mac_setup, -+ }, -+}; -+ -+ static const struct of_device_id mt7530_of_match[] = { -+ { .compatible = "mediatek,mt7621", .data = &mt753x_table[ID_MT7621], }, -+ { .compatible = "mediatek,mt7530", .data = &mt753x_table[ID_MT7530], }, - { /* sentinel */ }, - }; - MODULE_DEVICE_TABLE(of, mt7530_of_match); -@@ -1680,8 +1790,19 @@ mt7530_probe(struct mdio_device *mdiodev - /* Get the hardware identifier from the devicetree node. - * We will need it for some of the clock and regulator setup. - */ -- priv->id = (unsigned int)(unsigned long) -- of_device_get_match_data(&mdiodev->dev); -+ priv->info = of_device_get_match_data(&mdiodev->dev); -+ if (!priv->info) -+ return -EINVAL; -+ -+ /* Sanity check if these required device operstaions are filled -+ * properly. -+ */ -+ if (!priv->info->setup || !priv->info->phy_read || -+ !priv->info->phy_write || !priv->info->phy_supported || -+ !priv->info->pad_setup || !priv->info->mac_setup) -+ return -EINVAL; -+ -+ priv->id = priv->info->id; - - if (priv->id == ID_MT7530) { - priv->core_pwr = devm_regulator_get(&mdiodev->dev, "core"); ---- a/drivers/net/dsa/mt7530.h -+++ b/drivers/net/dsa/mt7530.h -@@ -11,7 +11,7 @@ - #define MT7530_NUM_FDB_RECORDS 2048 - #define MT7530_ALL_MEMBERS 0xff - --enum { -+enum mt753x_id { - ID_MT7530 = 0, - ID_MT7621 = 1, - }; -@@ -447,6 +447,32 @@ static const char *p5_intf_modes(unsigne - } - } - -+/* struct mt753x_info - This is the main data structure for holding the specific -+ * part for each supported device -+ * @setup: Holding the handler to a device initialization -+ * @phy_read: Holding the way reading PHY port -+ * @phy_write: Holding the way writing PHY port -+ * @phy_supported: Check if the PHY type is being supported on a certain -+ * port -+ * @pad_setup: Holding the way setting up the bus pad for a certain MAC -+ * port -+ * @mac_setup: Holding the way setting up the PHY attribute for a -+ * certain MAC port -+ */ -+struct mt753x_info { -+ enum mt753x_id id; -+ -+ int (*setup)(struct dsa_switch *ds); -+ int (*phy_read)(struct dsa_switch *ds, int port, int regnum); -+ int (*phy_write)(struct dsa_switch *ds, int port, int regnum, u16 val); -+ bool (*phy_supported)(struct dsa_switch *ds, int port, -+ const struct phylink_link_state *state); -+ int (*pad_setup)(struct dsa_switch *ds, -+ const struct phylink_link_state *state); -+ int (*mac_setup)(struct dsa_switch *ds, int port, unsigned int mode, -+ const struct phylink_link_state *state); -+}; -+ - /* struct mt7530_priv - This is the main data structure for holding the state - * of the driver - * @dev: The device pointer -@@ -472,6 +498,7 @@ struct mt7530_priv { - struct regulator *core_pwr; - struct regulator *io_pwr; - struct gpio_desc *reset; -+ const struct mt753x_info *info; - unsigned int id; - bool mcm; - phy_interface_t p6_interface; |