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authorSven Eckelmann2025-07-15 17:53:07 +0000
committerHauke Mehrtens2025-10-06 22:13:43 +0000
commit38d35f413daf049bd45f162ec8f68111e2da2fc6 (patch)
tree81486739490727393216fdb9b4218f7e820b49af
parent546722f95e88adc27b5aa62e8b308dc8cbff52ce (diff)
downloadopenwrt-38d35f413daf049bd45f162ec8f68111e2da2fc6.tar.gz
realtek: rtl931x: Add support for active-low LEDs
RTL930x received support for specifying active low/high LEDs in commit bec9e79a99ad ("realtek: dsa: support active-high LEDs"). But this was completely forgotten on RTL931x. Signed-off-by: Sven Eckelmann <se@simonwunderlich.de> Link: https://github.com/openwrt/openwrt/pull/20300 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
-rw-r--r--target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl838x.h2
-rw-r--r--target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl931x.c5
2 files changed, 7 insertions, 0 deletions
diff --git a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl838x.h b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl838x.h
index 01f83d7271..66b761fdd5 100644
--- a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl838x.h
+++ b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl838x.h
@@ -582,6 +582,8 @@ typedef enum {
#define RTL931X_LED_PORT_FIB_MASK_CTRL (0x065c)
#define RTL931X_LED_PORT_COMBO_MASK_CTRL (0x0664)
+#define RTL931X_LED_GLB_ACTIVE_LOW BIT(21)
+
#define MAX_VLANS 4096
#define MAX_LAGS 16
#define MAX_PRIOS 8
diff --git a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl931x.c b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl931x.c
index 98c74cabf8..8ac9bcc177 100644
--- a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl931x.c
+++ b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl931x.c
@@ -1538,6 +1538,11 @@ static void rtldsa_931x_led_init(struct rtl838x_switch_priv *priv)
/* Set LED mode to serial (0x1) */
sw_w32_mask(0x3, 0x1, RTL931X_LED_GLB_CTRL);
+ if (of_property_read_bool(node, "active-low"))
+ sw_w32_mask(RTL931X_LED_GLB_ACTIVE_LOW, 0, RTL931X_LED_GLB_CTRL);
+ else
+ sw_w32_mask(0, RTL931X_LED_GLB_ACTIVE_LOW, RTL931X_LED_GLB_CTRL);
+
rtl839x_set_port_reg_le(pm_copper, RTL931X_LED_PORT_COPR_MASK_CTRL);
rtl839x_set_port_reg_le(pm_fiber, RTL931X_LED_PORT_FIB_MASK_CTRL);
rtl839x_set_port_reg_le(pm_copper | pm_fiber, RTL931X_LED_PORT_COMBO_MASK_CTRL);