[PATCH V4 2/4] phy: qcom-m31: Add compatible, phy init sequence for IPQ5018

From: Nitheesh Sekar
Date: Mon Sep 04 2023 - 02:37:22 EST


Add phy init sequence and compatible string for IPQ5018
chipset.

Signed-off-by: Nitheesh Sekar <quic_nsekar@xxxxxxxxxxx>
---
V4:
Add C99 initializers.
Write 0 register values.
V3:
Dropped 0 delay inits.
Added static const type for m31_ipq5018_regs.
V2:
Updated the commit message.
---
drivers/phy/qualcomm/phy-qcom-m31.c | 51 +++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-m31.c b/drivers/phy/qualcomm/phy-qcom-m31.c
index ed08072ca032..03b1c56e0f55 100644
--- 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
+ },
+};
+
struct m31_phy_regs m31_ipq5332_regs[] = {
{
USB_PHY_CFG0,
@@ -268,6 +312,12 @@ static int m31usb_phy_probe(struct platform_device *pdev)
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,
@@ -275,6 +325,7 @@ static const struct m31_priv_data m31_ipq5332_data = {
};

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 },
{ },
};
--
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