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generic: Support Altima AMI101L PHY

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This is a backport of the patch to support the Altima AMI101L
PHY which is merged for the v6.7 kernel. This PHY is used in the
IXP4xx-based USRobotics USR8200.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2023-10-23 08:43:05 +02:00 committed by Christian Marangi
parent 16f929ed47
commit 33a6189fde
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1 changed files with 82 additions and 0 deletions
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target/linux/generic/backport-6.1/832-v6.7-net-phy-amd-Support-the-Altima-AMI101L.patch Normal file
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@ -0,0 +1,82 @@
From 49e5663b505070424e18099841943f34342aa405 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org>
Date: Sun, 24 Sep 2023 01:09:01 +0200
Subject: [PATCH] net: phy: amd: Support the Altima AMI101L
The Altima AC101L is obviously compatible with the AMD PHY,
as seen by reading the datasheet.
Datasheet: https://docs.broadcom.com/doc/AC101L-DS05-405-RDS.pdf
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/net/phy/Kconfig | 4 ++--
drivers/net/phy/amd.c | 33 +++++++++++++++++++++++----------
2 files changed, 25 insertions(+), 12 deletions(-)
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -146,9 +146,9 @@ endif # RTL8366_SMI
comment "MII PHY device drivers"
config AMD_PHY
- tristate "AMD PHYs"
+ tristate "AMD and Altima PHYs"
help
- Currently supports the am79c874
+ Currently supports the AMD am79c874 and Altima AC101L.
config MESON_GXL_PHY
tristate "Amlogic Meson GXL Internal PHY"
--- a/drivers/net/phy/amd.c
+++ b/drivers/net/phy/amd.c
@@ -13,6 +13,7 @@
#include <linux/mii.h>
#include <linux/phy.h>
+#define PHY_ID_AC101L 0x00225520
#define PHY_ID_AM79C874 0x0022561b
#define MII_AM79C_IR 17 /* Interrupt Status/Control Register */
@@ -87,19 +88,31 @@ static irqreturn_t am79c_handle_interrup
return IRQ_HANDLED;
}
-static struct phy_driver am79c_driver[] = { {
- .phy_id = PHY_ID_AM79C874,
- .name = "AM79C874",
- .phy_id_mask = 0xfffffff0,
- /* PHY_BASIC_FEATURES */
- .config_init = am79c_config_init,
- .config_intr = am79c_config_intr,
- .handle_interrupt = am79c_handle_interrupt,
-} };
+static struct phy_driver am79c_drivers[] = {
+ {
+ .phy_id = PHY_ID_AM79C874,
+ .name = "AM79C874",
+ .phy_id_mask = 0xfffffff0,
+ /* PHY_BASIC_FEATURES */
+ .config_init = am79c_config_init,
+ .config_intr = am79c_config_intr,
+ .handle_interrupt = am79c_handle_interrupt,
+ },
+ {
+ .phy_id = PHY_ID_AC101L,
+ .name = "AC101L",
+ .phy_id_mask = 0xfffffff0,
+ /* PHY_BASIC_FEATURES */
+ .config_init = am79c_config_init,
+ .config_intr = am79c_config_intr,
+ .handle_interrupt = am79c_handle_interrupt,
+ },
+};
-module_phy_driver(am79c_driver);
+module_phy_driver(am79c_drivers);
static struct mdio_device_id __maybe_unused amd_tbl[] = {
+ { PHY_ID_AC101L, 0xfffffff0 },
{ PHY_ID_AM79C874, 0xfffffff0 },
{ }
};