From 68320e35f8cb1987b4ad34347fc7033832da99e3 Mon Sep 17 00:00:00 2001
From: Nitheesh Sekar <quic_nsekar@quicinc.com>
Date: Mon, 4 Sep 2023 12:06:33 +0530
Subject: [PATCH] phy: qcom-m31: Add compatible, phy init sequence for IPQ5018

Add phy init sequence and compatible string for IPQ5018
chipset.

Signed-off-by: Nitheesh Sekar <quic_nsekar@quicinc.com>
Link: https://lore.kernel.org/r/20230904063635.24975-3-quic_nsekar@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---
 drivers/phy/qualcomm/phy-qcom-m31.c | 51 +++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

--- a/drivers/phy/qualcomm/phy-qcom-m31.c
+++ b/drivers/phy/qualcomm/phy-qcom-m31.c
@@ -82,6 +82,50 @@ struct m31_priv_data {
 	unsigned int			nregs;
 };
 
+static const struct m31_phy_regs m31_ipq5018_regs[] = {
+	{
+		.off = USB_PHY_CFG0,
+		.val = UTMI_PHY_OVERRIDE_EN
+	},
+	{
+		.off = USB_PHY_UTMI_CTRL5,
+		.val = POR_EN,
+		.delay = 15
+	},
+	{
+		.off = USB_PHY_FSEL_SEL,
+		.val = FREQ_SEL
+	},
+	{
+		.off = USB_PHY_HS_PHY_CTRL_COMMON0,
+		.val = COMMONONN | FSEL | RETENABLEN
+	},
+	{
+		.off = USB_PHY_REFCLK_CTRL,
+		.val = CLKCORE
+	},
+	{
+		.off = USB_PHY_UTMI_CTRL5,
+		.val = POR_EN
+	},
+	{
+		.off = USB_PHY_HS_PHY_CTRL2,
+		.val = USB2_SUSPEND_N_SEL | USB2_SUSPEND_N | USB2_UTMI_CLK_EN
+	},
+	{
+		.off = USB_PHY_UTMI_CTRL5,
+		.val = 0x0
+	},
+	{
+		.off = USB_PHY_HS_PHY_CTRL2,
+		.val = USB2_SUSPEND_N | USB2_UTMI_CLK_EN
+	},
+	{
+		.off = USB_PHY_CFG0,
+		.val = 0x0
+	},
+};
+
 static struct m31_phy_regs m31_ipq5332_regs[] = {
 	{
 		USB_PHY_CFG0,
@@ -267,6 +311,12 @@ static int m31usb_phy_probe(struct platf
 	return PTR_ERR_OR_ZERO(phy_provider);
 }
 
+static const struct m31_priv_data m31_ipq5018_data = {
+	.ulpi_mode = false,
+	.regs = m31_ipq5018_regs,
+	.nregs = ARRAY_SIZE(m31_ipq5018_regs),
+};
+
 static const struct m31_priv_data m31_ipq5332_data = {
 	.ulpi_mode = false,
 	.regs = m31_ipq5332_regs,
@@ -274,6 +324,7 @@ static const struct m31_priv_data m31_ip
 };
 
 static const struct of_device_id m31usb_phy_id_table[] = {
+	{ .compatible = "qcom,ipq5018-usb-hsphy", .data = &m31_ipq5018_data },
 	{ .compatible = "qcom,ipq5332-usb-hsphy", .data = &m31_ipq5332_data },
 	{ },
 };
