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realtek: support configurable LED interface mode on RTL930x

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Add support for changing the LED mode via the device tree.
Currently it always defaults to SERIAL mode. With this change,
one can also use the SINGLE_COLOR_SCAN and BI_COLOR_SCAN modes.

Signed-off-by: Manuel Stocker <mensi@mensi.ch>
Link: https://github.com/openwrt/openwrt/pull/23160
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Manuel Stocker 2026-04-29 21:25:21 +02:00 committed by Hauke Mehrtens
parent 07e91bc11a
commit 79a6d2aab2
2 changed files with 10 additions and 3 deletions
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7
target/linux/realtek/dts/macros.dtsi
View File

@ -70,7 +70,7 @@
managed = "in-band-status"; \
};
// LED Set mode definitions
/* LED Set mode definitions */
#define RTL93XX_LED_SET_NONE (0)
#define RTL93XX_LED_SET_10G (1 << 0)
#define RTL93XX_LED_SET_5G (1 << 1)
@ -85,3 +85,8 @@
#define RTL93XX_LED_SET_TX (1 << 13)
#define RTL93XX_LED_SET_COLLISION (1 << 14)
#define RTL93XX_LED_SET_DUPLEX (1 << 15)
/* LED Interface modes */
#define RTL93XX_LED_MODE_SERIAL 1
#define RTL93XX_LED_MODE_SINGLE_COLOR_SCAN 2
#define RTL93XX_LED_MODE_BI_COLOR_SCAN 3

6
target/linux/realtek/files-6.18/drivers/net/dsa/rtl83xx/rtl930x.c
View File

@ -2610,6 +2610,7 @@ static void rtl930x_led_init(struct rtl838x_switch_priv *priv)
struct device_node *node;
struct device *dev = priv->dev;
u8 leds_in_set[4] = {};
u32 led_mode = 1;
u32 pm = 0;
node = of_find_compatible_node(NULL, NULL, "realtek,rtl9300-leds");
@ -2683,8 +2684,9 @@ static void rtl930x_led_init(struct rtl838x_switch_priv *priv)
sw_w32_mask(0, set << pos, RTL930X_LED_PORT_FIB_SET_SEL_CTRL(i));
}
/* Set LED mode to serial (0x1) */
sw_w32_mask(0x3, 0x1, RTL930X_LED_GLB_CTRL);
/* Set LED mode */
of_property_read_u32(node, "realtek,led-mode", &led_mode);
sw_w32_mask(0x3, led_mode & 0x3, RTL930X_LED_GLB_CTRL);
/* Set LED active state */
if (of_property_read_bool(node, "active-low"))