83 lines
2.9 KiB
Diff
83 lines
2.9 KiB
Diff
From 60ed9eb9605656c19ca402b7bd3f47552e901601 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Mon, 13 Feb 2023 02:33:14 +0000
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Subject: [PATCH] net: phy: add driver for MediaTek SoC built-in GE PHYs
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Some of MediaTek's Filogic SoCs come with built-in gigabit Ethernet
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PHYs which require calibration data from the SoC's efuse.
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Despite the similar design the driver doesn't share any code with the
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existing mediatek-ge.c, so add support for these PHYs by introducing a
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new driver for only MediaTek's ARM64 SoCs.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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---
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MAINTAINERS | 9 +
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drivers/net/phy/Kconfig | 12 +
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drivers/net/phy/Makefile | 1 +
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drivers/net/phy/mediatek-ge-soc.c | 1263 +++++++++++++++++++++++++++++
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drivers/net/phy/mediatek-ge.c | 3 +-
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5 files changed, 1287 insertions(+), 1 deletion(-)
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create mode 100644 drivers/net/phy/mediatek-ge-soc.c
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--- a/MAINTAINERS
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+++ b/MAINTAINERS
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@@ -11790,6 +11790,15 @@ S: Maintained
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F: drivers/net/pcs/pcs-mtk-lynxi.c
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F: include/linux/pcs/pcs-mtk-lynxi.h
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+MEDIATEK ETHERNET PHY DRIVERS
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+M: Daniel Golle <daniel@makrotopia.org>
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+M: Qingfang Deng <dqfext@gmail.com>
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+M: SkyLake Huang <SkyLake.Huang@mediatek.com>
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+L: netdev@vger.kernel.org
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+S: Maintained
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+F: drivers/net/phy/mediatek-ge-soc.c
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+F: drivers/net/phy/mediatek-ge.c
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+
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MEDIATEK I2C CONTROLLER DRIVER
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M: Qii Wang <qii.wang@mediatek.com>
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L: linux-i2c@vger.kernel.org
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--- a/drivers/net/phy/Kconfig
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+++ b/drivers/net/phy/Kconfig
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@@ -293,6 +293,18 @@ config MEDIATEK_GE_PHY
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help
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Supports the MediaTek Gigabit Ethernet PHYs.
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+config MEDIATEK_GE_SOC_PHY
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+ tristate "MediaTek SoC Ethernet PHYs"
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+ depends on (ARM64 && ARCH_MEDIATEK) || COMPILE_TEST
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+ select NVMEM_MTK_EFUSE
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+ help
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+ Supports MediaTek SoC built-in Gigabit Ethernet PHYs.
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+
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+ Include support for built-in Ethernet PHYs which are present in
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+ the MT7981 and MT7988 SoCs. These PHYs need calibration data
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+ present in the SoCs efuse and will dynamically calibrate VCM
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+ (common-mode voltage) during startup.
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+
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config MICREL_PHY
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tristate "Micrel PHYs"
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help
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--- a/drivers/net/phy/Makefile
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+++ b/drivers/net/phy/Makefile
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@@ -81,6 +81,7 @@ obj-$(CONFIG_MARVELL_PHY) += marvell.o
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obj-$(CONFIG_MARVELL_88X2222_PHY) += marvell-88x2222.o
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obj-$(CONFIG_MAXLINEAR_GPHY) += mxl-gpy.o
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obj-$(CONFIG_MEDIATEK_GE_PHY) += mediatek-ge.o
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+obj-$(CONFIG_MEDIATEK_GE_SOC_PHY) += mediatek-ge-soc.o
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obj-$(CONFIG_MESON_GXL_PHY) += meson-gxl.o
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obj-$(CONFIG_MICREL_KS8995MA) += spi_ks8995.o
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obj-$(CONFIG_MICREL_PHY) += micrel.o
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--- a/drivers/net/phy/mediatek-ge.c
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+++ b/drivers/net/phy/mediatek-ge.c
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@@ -136,7 +136,8 @@ static struct phy_driver mtk_gephy_drive
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module_phy_driver(mtk_gephy_driver);
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static struct mdio_device_id __maybe_unused mtk_gephy_tbl[] = {
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- { PHY_ID_MATCH_VENDOR(0x03a29400) },
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+ { PHY_ID_MATCH_EXACT(0x03a29441) },
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+ { PHY_ID_MATCH_EXACT(0x03a29412) },
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{ }
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};
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