netdev - [PATCH net-next v6 0/5] net: phy: mediatek: Introduce mtk-phy-lib and add 2.5Gphy support

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Date: Mon, 3 Jun 2024 20:18:29 +0800
From: Sky Huang <SkyLake.Huang@...iatek.com>
To: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>, "David S. Miller"
	<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
	<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Daniel Golle
	<daniel@...rotopia.org>, Qingfang Deng <dqfext@...il.com>, SkyLake Huang
	<SkyLake.Huang@...iatek.com>, Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>
CC: Steven Liu <Steven.Liu@...iatek.com>, SkyLake.Huang
	<skylake.huang@...iatek.com>
Subject: [PATCH net-next v6 0/5] net: phy: mediatek: Introduce mtk-phy-lib and add 2.5Gphy support

From: "SkyLake.Huang" <skylake.huang@...iatek.com>

This patch series integrate MediaTek's built-in Ethernet PHY helper functions
into mtk-phy-lib and add more functions into it. Also, add support for 2.5Gphy
on MT7988 SoC.

Signed-off-by: SkyLake.Huang <skylake.huang@...iatek.com>
---
Changes in v2:
- Apply correct PATCH tag.
- Break LED/Token ring/Extend-link-pulse-time features into 3 patches.
- Fix contents according to v1 comments.

Changes in v3:
- Rebase code and now this patch series can apply to net-next tree.
[PATCH 4/5]
Refactor mtk_gphy_cl22_read_status() with genphy_read_status().
[PATCH 5/5]
1. Add range check for firmware.
2. Fix c45_ids.mmds_present in probe function.
3. Still use genphy_update_link() in read_status because
genphy_c45_read_link() can't correct detect link on this phy.

Changes in v4:
[PATCH 4/5]
1. Change extend_an_new_lp_cnt_limit()'s return type and all return values
2. Refactor comments in extend_an_new_lp_cnt_limit()
[PATCH 5/5]
1. Move firmware loading function to mt798x_2p5ge_phy_load_fw()
2. Add AN disable warning in mt798x_2p5ge_phy_config_aneg()
3. Clarify the HDX comments in mt798x_2p5ge_phy_get_features()

Changes in v5:
- Fix syntax errors of comments in drivers/net/phy/mediatek/*
[PATCH 1/5]
- Change MEDIATEK_GE_SOC_PHY from bool back to tristate.
[PATCH 5/5]
1. Move md32_en_cfg_base & pmb_addr to local variables to achieve
symmetric code.
2. Print out firmware date code & version.
3. Don't return error if LED pinctrl switching fails. Also, add
comments to this unusual operations.
4. Return -EOPNOTSUPP for AN off case in config_aneg().

Changes in v6:
- Re-arrange patch and changes description in cover letter.
- Contraint code inside 80 columns wide.
[PATCH 4/5]
1. Add LP_DETECTED so extend_an_new_lp_cnt_limit() won't be called every
time we poll the PHY for its status. It'll be called only when cable is
plugged in and 1G training starts.
2. Call phy_read_paged() instead of calling phy_select_page() &
phy_restore_page() pair.
[PATCH 5/5]
1. Force casting (fw->data + MT7988_2P5GE_PMB_SIZE - 8) with __be16.
2. Remove parens on RHS of "phydev->c45_ids.mmds_present |=".
3. Add PHY_INTERFACE_MODE_INTERNAL check in
mt798x_2p5ge_phy_get_rate_matching()
4. Arrange local variables in reverse Xmas tree order.
---
SkyLake.Huang (5):
  net: phy: mediatek: Re-organize MediaTek ethernet phy drivers
  net: phy: mediatek: Move LED and read/write page helper functions into
    mtk phy lib
  net: phy: mediatek: Add token ring access helper functions in
    mtk-phy-lib
  net: phy: mediatek: Extend 1G TX/RX link pulse time
  net: phy: add driver for built-in 2.5G ethernet PHY on MT7988

 MAINTAINERS                                   |   7 +-
 drivers/net/phy/Kconfig                       |  17 +-
 drivers/net/phy/Makefile                      |   3 +-
 drivers/net/phy/mediatek-ge.c                 | 111 ---
 drivers/net/phy/mediatek/Kconfig              |  38 ++
 drivers/net/phy/mediatek/Makefile             |   5 +
 drivers/net/phy/mediatek/mtk-2p5ge.c          | 435 ++++++++++++
 .../mtk-ge-soc.c}                             | 640 ++++++++----------
 drivers/net/phy/mediatek/mtk-ge.c             | 249 +++++++
 drivers/net/phy/mediatek/mtk-phy-lib.c        | 427 ++++++++++++
 drivers/net/phy/mediatek/mtk.h                | 116 ++++
 11 files changed, 1544 insertions(+), 504 deletions(-)
 delete mode 100644 drivers/net/phy/mediatek-ge.c
 create mode 100644 drivers/net/phy/mediatek/Kconfig
 create mode 100644 drivers/net/phy/mediatek/Makefile
 create mode 100644 drivers/net/phy/mediatek/mtk-2p5ge.c
 rename drivers/net/phy/{mediatek-ge-soc.c => mediatek/mtk-ge-soc.c} (74%)
 create mode 100644 drivers/net/phy/mediatek/mtk-ge.c
 create mode 100644 drivers/net/phy/mediatek/mtk-phy-lib.c
 create mode 100644 drivers/net/phy/mediatek/mtk.h

-- 
2.34.1