openwrt/target/linux/bcm27xx/patches-6.1/950-0914-net-phy-broadcom-optionally-enable-link-down-powersa.patch
Marty Jones 2e715fb4fc bcm27xx: update 6.1 patches to latest version
Add support for BCM2712 (Raspberry Pi 5).
3bb5880ab3
Patches were generated from the diff between linux kernel branch linux-6.1.y
and rpi-6.1.y from raspberry pi kernel source:
- git format-patch linux-6.1.y...rpi-6.1.y

Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
[Remove applied and reverted patches, squash patches and config commits]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-01-25 17:46:45 +01:00

27 lines
941 B
Diff

From 6370a6cd16a5aa9726bf209c0f0a3179f4011cb1 Mon Sep 17 00:00:00 2001
From: Jonathan Bell <jonathan@raspberrypi.com>
Date: Mon, 22 May 2023 15:31:17 +0100
Subject: [PATCH] net: phy: broadcom: optionally enable link-down powersave
based on DT
It's really a function of the board whether or not to use this feature
as it may require MAC compatibility as well as interop testing.
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
---
drivers/net/phy/broadcom.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -370,6 +370,9 @@ static int bcm54xx_config_init(struct ph
(phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
bcm_phy_write_shadow(phydev, BCM54XX_SHD_RGMII_MODE, 0);
+ if (of_property_read_bool(np, "brcm,powerdown-enable"))
+ phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
+
bcm54xx_adjust_rxrefclk(phydev);
switch (BRCM_PHY_MODEL(phydev)) {