Files
openwrt_mitrastar/target/linux/qualcommax/patches-6.12/0046-v6.16-phy-qualcomm-qcom-uniphy-pcie-28LP-add-support-for-I.patch
George Moussalem 08ff2807cf qualcommax: ipq50xx: backport upstreamed patches for IPQ5018 PCIe support
Use upstreamed patches for IPQ5018 PCIe support, including patches for
phy and controller drivers and dts nodes.

Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/18884
Signed-off-by: Robert Marko <robimarko@gmail.com>
2025-05-24 11:27:05 +02:00

87 lines
2.5 KiB
Diff

From dfc820d2f8a8ea90bbc02269b5362e3678e58cac Mon Sep 17 00:00:00 2001
From: Nitheesh Sekar <quic_nsekar@quicinc.com>
Date: Wed, 26 Mar 2025 12:10:56 +0400
Subject: [PATCH] phy: qualcomm: qcom-uniphy-pcie 28LP add support for IPQ5018
The Qualcomm UNIPHY PCIe PHY 28LP is found on both IPQ5332 and IPQ5018.
Adding the PHY init sequence, pipe clock rate, and compatible for IPQ5018.
Signed-off-by: Nitheesh Sekar <quic_nsekar@quicinc.com>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Link: https://lore.kernel.org/r/20250326-ipq5018-pcie-v7-2-e1828fef06c9@outlook.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---
.../phy/qualcomm/phy-qcom-uniphy-pcie-28lp.c | 45 +++++++++++++++++++
1 file changed, 45 insertions(+)
--- a/drivers/phy/qualcomm/phy-qcom-uniphy-pcie-28lp.c
+++ b/drivers/phy/qualcomm/phy-qcom-uniphy-pcie-28lp.c
@@ -75,6 +75,40 @@ struct qcom_uniphy_pcie {
#define phy_to_dw_phy(x) container_of((x), struct qca_uni_pcie_phy, phy)
+static const struct qcom_uniphy_pcie_regs ipq5018_regs[] = {
+ {
+ .offset = SSCG_CTRL_REG_4,
+ .val = 0x1cb9,
+ }, {
+ .offset = SSCG_CTRL_REG_5,
+ .val = 0x023a,
+ }, {
+ .offset = SSCG_CTRL_REG_3,
+ .val = 0xd360,
+ }, {
+ .offset = SSCG_CTRL_REG_1,
+ .val = 0x1,
+ }, {
+ .offset = SSCG_CTRL_REG_2,
+ .val = 0xeb,
+ }, {
+ .offset = CDR_CTRL_REG_4,
+ .val = 0x3f9,
+ }, {
+ .offset = CDR_CTRL_REG_5,
+ .val = 0x1c9,
+ }, {
+ .offset = CDR_CTRL_REG_2,
+ .val = 0x419,
+ }, {
+ .offset = CDR_CTRL_REG_1,
+ .val = 0x200,
+ }, {
+ .offset = PCS_INTERNAL_CONTROL_2,
+ .val = 0xf101,
+ },
+};
+
static const struct qcom_uniphy_pcie_regs ipq5332_regs[] = {
{
.offset = PHY_CFG_PLLCFG,
@@ -88,6 +122,14 @@ static const struct qcom_uniphy_pcie_reg
},
};
+static const struct qcom_uniphy_pcie_data ipq5018_data = {
+ .lane_offset = 0x800,
+ .phy_type = PHY_TYPE_PCIE_GEN2,
+ .init_seq = ipq5018_regs,
+ .init_seq_num = ARRAY_SIZE(ipq5018_regs),
+ .pipe_clk_rate = 125 * MEGA,
+};
+
static const struct qcom_uniphy_pcie_data ipq5332_data = {
.lane_offset = 0x800,
.phy_type = PHY_TYPE_PCIE_GEN3,
@@ -212,6 +254,9 @@ static inline int phy_pipe_clk_register(
static const struct of_device_id qcom_uniphy_pcie_id_table[] = {
{
+ .compatible = "qcom,ipq5018-uniphy-pcie-phy",
+ .data = &ipq5018_data,
+ }, {
.compatible = "qcom,ipq5332-uniphy-pcie-phy",
.data = &ipq5332_data,
}, {