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net: phy: broadcom: Add support for setting LED brightness

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Broadcom PHYs have two LEDs selector registers which allow us to control
the LED assignment, including how to turn them on/off.

Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
2023-06-07 11:34:53 -07:00
committed by David S. Miller
parent 57fd7d59b1
commit bd5736e146
4 changed files with 48 additions and 0 deletions
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3
include/linux/brcmphy.h
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@@ -161,6 +161,7 @@
#define BCM_LED_SRC_OPENSHORT 0xb
#define BCM_LED_SRC_OFF 0xe /* Tied high */
#define BCM_LED_SRC_ON 0xf /* Tied low */
#define BCM_LED_SRC_MASK GENMASK(3, 0)
/*
* Broadcom Multicolor LED configurations (expansion register 4)
@@ -208,9 +209,11 @@
#define BCM54XX_SHD_LEDS1 0x0d /* 01101: LED Selector 1 */
/* LED3 / ~LINKSPD[2] selector */
#define BCM54XX_SHD_LEDS_SHIFT(led) (4 * (led))
#define BCM54XX_SHD_LEDS1_LED3(src) ((src & 0xf) << 4)
/* LED1 / ~LINKSPD[1] selector */
#define BCM54XX_SHD_LEDS1_LED1(src) ((src & 0xf) << 0)
#define BCM54XX_SHD_LEDS2 0x0e /* 01110: LED Selector 2 */
#define BCM54XX_SHD_RGMII_MODE 0x0b /* 01011: RGMII Mode Selector */
#define BCM5482_SHD_SSD 0x14 /* 10100: Secondary SerDes control */
#define BCM5482_SHD_SSD_LEDM 0x0008 /* SSD LED Mode enable */