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From 3ab0c4b6aa76a4dedb51c4e800b5b4ba29187c46 Mon Sep 17 00:00:00 2001
From: James Hughes <james.hughes@raspberrypi.org>
Date: Thu, 31 Oct 2019 14:39:44 +0000
Subject: [PATCH] net:phy:2711 Allow ethernet LED mode to be set via
device tree
Add device tree entries and code to allow the specification of
the lighting modes for the LED's on the ethernet connector.
Signed-off-by: James Hughes <james.hughes@raspberrypi.org>
---
drivers/net/phy/broadcom.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -314,6 +314,9 @@ static void bcm54xx_adjust_rxrefclk(stru
static int bcm54xx_config_init(struct phy_device *phydev)
{
int reg, err, val;
+ u32 led_modes[] = {BCM_LED_MULTICOLOR_LINK_ACT,
+ BCM_LED_MULTICOLOR_LINK_ACT};
+ struct device_node *np = phydev->mdio.dev.of_node;
reg = phy_read(phydev, MII_BCM54XX_ECR);
if (reg < 0)
@@ -369,6 +372,8 @@ static int bcm54xx_config_init(struct ph
bcm54xx_phydsp_config(phydev);
+ of_property_read_u32_array(np, "led-modes", led_modes, 2);
+
/* Encode link speed into LED1 and LED3 pair (green/amber).
* Also flash these two LEDs on activity. This means configuring
* them for MULTICOLOR and encoding link/activity into them.
@@ -378,8 +383,8 @@ static int bcm54xx_config_init(struct ph
bcm_phy_write_shadow(phydev, BCM5482_SHD_LEDS1, val);
val = BCM_LED_MULTICOLOR_IN_PHASE |
- BCM5482_SHD_LEDS1_LED1(BCM_LED_MULTICOLOR_LINK_ACT) |
- BCM5482_SHD_LEDS1_LED3(BCM_LED_MULTICOLOR_LINK_ACT);
+ BCM5482_SHD_LEDS1_LED1(led_modes[0]) |
+ BCM5482_SHD_LEDS1_LED3(led_modes[1]);
bcm_phy_write_exp(phydev, BCM_EXP_MULTICOLOR, val);
return 0;
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