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qualcommax: ipq5018: ax3000: set DAC of internal PHY

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This commit is contained in:
hzy 2025-01-19 23:49:05 +08:00
parent 58b60f5ced
commit 9dc062a1be
2 changed files with 68 additions and 0 deletions
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2
target/linux/qualcommax/files/arch/arm64/boot/dts/qcom/ipq5000-ax3000.dts
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@ -275,6 +275,8 @@
// IPQ5018 GE Phy -> QCA8337 Phy4 // IPQ5018 GE Phy -> QCA8337 Phy4
&ge_phy { &ge_phy {
status = "okay"; status = "okay";
qcom,mdac = <0x10>;
qcom,edac = <0x10>;
}; };
&mdio1 { &mdio1 {

66
target/linux/qualcommax/patches-6.6/2714-net-phy-qcom-ipq5018-support-to-set-DAC-property.patch Normal file
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@ -0,0 +1,66 @@
From aae4413854c01fa6c1904b4d0e19057de458de9f Mon Sep 17 00:00:00 2001
From: hzy <hzyitc@outlook.com>
Date: Sat, 18 Jan 2025 16:48:44 +0800
Subject: [PATCH 1/1] net: phy: qcom: ipq5018: support to set DAC property
---
drivers/net/phy/qcom/ipq5018.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/net/phy/qcom/ipq5018.c b/drivers/net/phy/qcom/ipq5018.c
index 497ad28fe63f..1131c0ec8931 100644
--- a/drivers/net/phy/qcom/ipq5018.c
+++ b/drivers/net/phy/qcom/ipq5018.c
@@ -13,6 +13,10 @@
#define IPQ5018_PHY_FIFO_CONTROL 0x19
#define IPQ5018_PHY_FIFO_RESET GENMASK(1, 0)
+#define IPQ5018_PHY_MDAC 0x8100
+
+#define IPQ5018_PHY_EDAC 0x4380
+
struct ipq5018_phy {
int num_clks;
struct clk_bulk_data *clks;
@@ -106,6 +110,30 @@ static int ipq5018_soft_reset(struct phy_device *phydev)
return 0;
}
+static int ipq5018_config_init(struct phy_device *phydev)
+{
+ struct device_node *np = phydev->mdio.dev.of_node;
+ u32 mdac, edac;
+ int ret;
+
+ if (!of_property_read_u32(np, "qcom,mdac", &mdac)) {
+ ret = phy_write_mmd(phydev, MDIO_MMD_PMAPMD,
+ IPQ5018_PHY_MDAC, mdac);
+ if (ret)
+ return ret;
+ }
+
+ if (!of_property_read_u32(np, "qcom,edac", &edac)) {
+ ret = at803x_debug_reg_write(phydev, IPQ5018_PHY_EDAC,
+ edac);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+
+}
+
static int ipq5018_cable_test_start(struct phy_device *phydev)
{
/* we do all the (time consuming) work later */
@@ -119,6 +147,7 @@ static struct phy_driver ipq5018_internal_phy_driver[] = {
.flags = PHY_IS_INTERNAL | PHY_POLL_CABLE_TEST,
.probe = ipq5018_probe,
.soft_reset = ipq5018_soft_reset,
+ .config_init = ipq5018_config_init,
.read_status = at803x_read_status,
.config_intr = at803x_config_intr,
.handle_interrupt = at803x_handle_interrupt,
--
2.40.1