--- /dev/null
+From 2679834327b5b8db8a7b0c90b632b81c35f9e271 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>
+---
+ arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 3 +++
+ arch/arm/boot/dts/bcm2838.dtsi | 1 +
+ arch/arm/boot/dts/overlays/README | 28 +++++++++++++++++++--------
+ drivers/net/phy/broadcom.c | 9 +++++++--
+ 4 files changed, 31 insertions(+), 10 deletions(-)
+
+--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
++++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+@@ -334,5 +334,8 @@
+ pwr_led_gpio = <&pwr_led>,"gpios:4";
+ pwr_led_activelow = <&pwr_led>,"gpios:8";
+ pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
++
++ eth_led0 = <&phy1>,"led-modes:0";
++ eth_led1 = <&phy1>,"led-modes:4";
+ };
+ };
+--- a/arch/arm/boot/dts/bcm2838.dtsi
++++ b/arch/arm/boot/dts/bcm2838.dtsi
+@@ -380,6 +380,7 @@
+ /* No interrupts - use PHY_POLL */
+ max-speed = <1000>;
+ reg = <0x1>;
++ led-modes = <0x02 0x02>;
+ };
+ };
+ };
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -102,26 +102,38 @@ Params:
+
+ eee Enable Energy Efficient Ethernet support for
+ compatible devices (default "on"). See also
+- "tx_lpi_timer".
++ "tx_lpi_timer". Pi3B+ only.
+
+ eth_downshift_after Set the number of auto-negotiation failures
+ after which the 1000Mbps modes are disabled.
+ Legal values are 2, 3, 4, 5 and 0, where
+- 0 means never downshift (default 2).
++ 0 means never downshift (default 2). Pi3B+ only.
+
+- eth_led0 Set mode of LED0 (usually orange) (default
+- "1"). The legal values are:
+- 0=link/activity 1=link1000/activity
++ eth_led0 Set mode of LED0 (usually orange). The legal
++ values are:
++
++ Pi3B+
++
++ 0=link/activity 1=link1000/activity (default)
+ 2=link100/activity 3=link10/activity
+ 4=link100/1000/activity 5=link10/1000/activity
+ 6=link10/100/activity 14=off 15=on
+
+- eth_led1 Set mode of LED1 (usually green) (default
+- "6"). See eth_led0 for legal values.
++ Pi4
++
++ 0=Speed/Activity (default) 1=Speed
++ 2=Speed/Flash activity 3=FDX
++ 4=Off 5=On
++ 6=Alt 7=Speed/Flash
++ 8=Link 9=Activity
++
++ eth_led1 Set mode of LED1 (usually green) (Pi3B+ default
++ "6", Pi4 default "0"). See eth_led0 for legal
++ values.
+
+ eth_max_speed Set the maximum speed a link is allowed
+ to negotiate. Legal values are 10, 100 and
+- 1000 (default 1000).
++ 1000 (default 1000). Pi3B+ only.
+
+ i2c_arm Set to "on" to enable the ARM's i2c interface
+ (default "off")
+--- a/drivers/net/phy/broadcom.c
++++ b/drivers/net/phy/broadcom.c
+@@ -292,6 +292,9 @@ 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)
+@@ -345,6 +348,8 @@ 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.
+@@ -354,8 +359,8 @@ 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;
projects / openwrt / staging / chunkeey.git / blobdiff