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authorLorenz Brun <lorenz@brun.one>2022-12-28 20:54:21 +0100
committerSander Vanheule <sander@svanheule.net>2023-01-24 21:55:44 +0100
commitbec9e79a99adee64dcc9559e6f008a2ffd5b3f4e (patch)
treee6a7ca8642bb45f1111a3bba28e229eed2b40c4c /target
parentd84dc5d4d7b28cf4132448130d3beb4352539f4f (diff)
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realtek: dsa: support active-high LEDs
The TP-LINK TL-ST1008F has active-high LEDs, so we need a device tree property to express this. Signed-off-by: Lorenz Brun <lorenz@brun.one> [Tidy up code, restrict changes to 5.15] Signed-off-by: Sander Vanheule <sander@svanheule.net>
Diffstat (limited to 'target')
-rw-r--r--target/linux/realtek/dts-5.15/rtl9302_zyxel_xgs1250-12.dts2
-rw-r--r--target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/rtl930x.c8
2 files changed, 10 insertions, 0 deletions
diff --git a/target/linux/realtek/dts-5.15/rtl9302_zyxel_xgs1250-12.dts b/target/linux/realtek/dts-5.15/rtl9302_zyxel_xgs1250-12.dts
index a57fc00c6e..a9821b2cc6 100644
--- a/target/linux/realtek/dts-5.15/rtl9302_zyxel_xgs1250-12.dts
+++ b/target/linux/realtek/dts-5.15/rtl9302_zyxel_xgs1250-12.dts
@@ -64,6 +64,8 @@
led_set: led_set@0 {
compatible = "realtek,rtl9300-leds";
+ active-low;
+
led_set0 = <0x0000 0xffff 0x0a20 0x0b80>; // LED set 0: 1000Mbps, 10/100Mbps
led_set1 = <0x0a0b 0x0a28 0x0a82 0x0a0b>; // LED set 1: (10G, 5G, 2.5G) (2.5G, 1G)
// (5G, 10/100) (10G, 5G, 2.5G)
diff --git a/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/rtl930x.c b/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/rtl930x.c
index 7e4f13fbad..5a899f32ba 100644
--- a/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/rtl930x.c
+++ b/target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/rtl930x.c
@@ -21,6 +21,8 @@
#define RTL930X_VLAN_PORT_TAG_STS_CTRL_IGR_P_OTAG_KEEP_MASK GENMASK(1,1)
#define RTL930X_VLAN_PORT_TAG_STS_CTRL_IGR_P_ITAG_KEEP_MASK GENMASK(0,0)
+#define RTL930X_LED_GLB_ACTIVE_LOW BIT(22)
+
extern struct mutex smi_lock;
extern struct rtl83xx_soc_info soc_info;
@@ -2431,6 +2433,12 @@ static void rtl930x_led_init(struct rtl838x_switch_priv *priv)
/* Set LED mode to serial (0x1) */
sw_w32_mask(0x3, 0x1, RTL930X_LED_GLB_CTRL);
+ /* Set LED active state */
+ if (of_property_read_bool(node, "active-low"))
+ sw_w32_mask(RTL930X_LED_GLB_ACTIVE_LOW, 0, RTL930X_LED_GLB_CTRL);
+ else
+ sw_w32_mask(0, RTL930X_LED_GLB_ACTIVE_LOW, RTL930X_LED_GLB_CTRL);
+
/* Set port type masks */
sw_w32(pm, RTL930X_LED_PORT_COPR_MASK_CTRL);
sw_w32(pm, RTL930X_LED_PORT_FIB_MASK_CTRL);