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From:   Praveenkumar I <quic_ipkumar@quicinc.com>
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CC:     <quic_varada@quicinc.com>
Subject: [PATCH 8/9] phy: qcom: uniphy: Add ipq5332 USB UNIPHY support
Date:   Tue, 29 Aug 2023 19:28:17 +0530
Message-ID: <20230829135818.2219438-9-quic_ipkumar@quicinc.com>
In-Reply-To: <20230829135818.2219438-1-quic_ipkumar@quicinc.com>
References: <20230829135818.2219438-1-quic_ipkumar@quicinc.com>
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This patch adds ipq5332 USB SS UNIPHY support.

Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
---
This patch depends on the below series which adds support for USB2 in
IPQ5332
https://lore.kernel.org/all/cover.1692699472.git.quic_varada@quicinc.com/

 drivers/phy/qualcomm/phy-qcom-uniphy.c | 37 ++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-uniphy.c b/drivers/phy/qualcomm/phy-qcom-uniphy.c
index eb71588f5417..91487e68bb6e 100644
--- a/drivers/phy/qualcomm/phy-qcom-uniphy.c
+++ b/drivers/phy/qualcomm/phy-qcom-uniphy.c
@@ -26,6 +26,10 @@
 #include <linux/regulator/consumer.h>
 #include <linux/reset.h>
 
+#define PCIE_USB_COMBO_PHY_CFG_MISC1		0x214
+#define PCIE_USB_COMBO_PHY_CFG_RX_AFE_2		0x7C4
+#define PCIE_USB_COMBO_PHY_CFG_RX_DLF_DEMUX_2	0x7E8
+
 struct uniphy_init_tbl {
 	unsigned int offset;
 	unsigned int val;
@@ -37,6 +41,12 @@ struct uniphy_init_tbl {
 		.val = v,		\
 	}
 
+static const struct uniphy_init_tbl ipq5332_usb_ssphy_init_tbl[] = {
+	UNIPHY_INIT_CFG(PCIE_USB_COMBO_PHY_CFG_RX_AFE_2, 0x1076),
+	UNIPHY_INIT_CFG(PCIE_USB_COMBO_PHY_CFG_RX_DLF_DEMUX_2, 0x3142),
+	UNIPHY_INIT_CFG(PCIE_USB_COMBO_PHY_CFG_MISC1, 0x3),
+};
+
 struct uniphy_cfg {
 	const struct uniphy_init_tbl *init_seq;
 	int num_init_seq;
@@ -83,6 +93,32 @@ static const struct uniphy_cfg ipq4019_usb_hsphy_cfg = {
 	.reset_udelay	= 10000,
 };
 
+static const char * const ipq5332_usb_ssphy_clk_l[] = {
+	"phy_ahb", "phy_cfg_ahb", "pipe",
+};
+
+static const char * const ipq5332_usb_ssphy_reset_l[] = {
+	"por_rst",
+};
+
+static const char * const ipq5332_usb_ssphy_vreg_l[] = {
+	"vdda-phy",
+};
+
+static const struct uniphy_cfg ipq5332_usb_ssphy_cfg = {
+	.init_seq	= ipq5332_usb_ssphy_init_tbl,
+	.num_init_seq	= ARRAY_SIZE(ipq5332_usb_ssphy_init_tbl),
+	.clk_list	= ipq5332_usb_ssphy_clk_l,
+	.num_clks	= ARRAY_SIZE(ipq5332_usb_ssphy_clk_l),
+	.reset_list	= ipq5332_usb_ssphy_reset_l,
+	.num_resets	= ARRAY_SIZE(ipq5332_usb_ssphy_reset_l),
+	.vreg_list	= ipq5332_usb_ssphy_vreg_l,
+	.num_vregs	= ARRAY_SIZE(ipq5332_usb_ssphy_vreg_l),
+	.pipe_clk_rate	= 250000000,
+	.reset_udelay	= 1,
+	.autoload_udelay = 35,
+};
+
 static int phy_mux_sel(struct phy *phy)
 {
 	struct qcom_uniphy *uniphy = phy_get_drvdata(phy);
@@ -396,6 +432,7 @@ static int qcom_uniphy_probe(struct platform_device *pdev)
 static const struct of_device_id qcom_uniphy_of_match[] = {
 	{ .compatible = "qcom,usb-hs-ipq4019-phy", .data = &ipq4019_usb_hsphy_cfg},
 	{ .compatible = "qcom,usb-ss-ipq4019-phy", .data = &ipq4019_usb_ssphy_cfg},
+	{ .compatible = "qcom,ipq5332-usb-ssphy", .data = &ipq5332_usb_ssphy_cfg},
 	{ },
 };
 MODULE_DEVICE_TABLE(of, qcom_uniphy_of_match);
-- 
2.34.1