kernel: hack: support inverted LEDs on MaxLinear GPY211 PHY

[openwrt/staging/svanheule.git] / target / linux / generic / hack-5.15 / 765-mxl-gpy-control-LED-reg-from-DT.patch

diff --git a/target/linux/generic/hack-5.15/765-mxl-gpy-control-LED-reg-from-DT.patch b/target/linux/generic/hack-5.15/765-mxl-gpy-control-LED-reg-from-DT.patch
index 8de3668def224dca08e21ff28673ace8d397afd8..95e9749d9126f4872b900bf75a7213e4be4b715e 100644 (file)
--- a/target/linux/generic/hack-5.15/765-mxl-gpy-control-LED-reg-from-DT.patch
+++ b/target/linux/generic/hack-5.15/765-mxl-gpy-control-LED-reg-from-DT.patch
@@ -55,7 +55,7 @@ Signed-off-by: David Bauer <mail@david-bauer.net>
  /* SGMII */
  #define VSPEC1_SGMII_CTRL     0x08
  #define VSPEC1_SGMII_CTRL_ANEN        BIT(12)         /* Aneg enable */
-@@ -80,6 +87,31 @@ static const struct {
+@@ -80,6 +87,35 @@ static const struct {
        {9, 0x73},
  };
  
@@ -64,6 +64,7 @@ Signed-off-by: David Bauer <mail@david-bauer.net>
 +      struct device_node *node = phydev->mdio.dev.of_node;
 +      u32 led_regs[PHY_LED_NUM_LEDS];
 +      int i, ret;
++      u16 val = 0xff00;
 +
 +      if (!IS_ENABLED(CONFIG_OF_MDIO))
 +              return 0;
@@ -71,8 +72,11 @@ Signed-off-by: David Bauer <mail@david-bauer.net>
 +      if (of_property_read_u32_array(node, "mxl,led-config", led_regs, PHY_LED_NUM_LEDS))
 +              return 0;
 +
++      if (of_property_read_bool(node, "mxl,led-drive-vdd"))
++              val &= 0x0fff;
++
 +      /* Enable LED function handling on all ports*/
-+      phy_write(phydev, PHY_LED, 0xFF00);
++      phy_write(phydev, PHY_LED, val);
 +
 +      /* Write LED register values */
 +      for (i = 0; i < PHY_LED_NUM_LEDS; i++) {
@@ -87,7 +91,7 @@ Signed-off-by: David Bauer <mail@david-bauer.net>
  static int gpy_config_init(struct phy_device *phydev)
  {
        int ret;
-@@ -91,7 +123,10 @@ static int gpy_config_init(struct phy_de
+@@ -91,7 +127,10 @@ static int gpy_config_init(struct phy_de
  
        /* Clear all pending interrupts */
        ret = phy_read(phydev, PHY_ISTAT);