On 25/06/2025 11:14, Luca Weiss wrote:
As per the downstream devicetree for SM7635, add a register write for QCOM_USB_PHY_CFG_CTRL_1 as per the "eUSB2 HPG version 1.0.2 update".Signed-off-by: Luca Weiss <luca.we...@fairphone.com> --- The downstream driver supports an arbitrary extra init sequence via qcom,param-override-seq. volcano-usb.dtsi has the following which is implemented in this patch: /* eUSB2 HPG version 1.0.2 update */ qcom,param-override-seq = <0x00 0x58>; --- drivers/phy/phy-snps-eusb2.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/phy/phy-snps-eusb2.c b/drivers/phy/phy-snps-eusb2.c index e232b8b4d29100b8fee9e913e2124788af09f2aa..6122fc797c7fd3011936edc3ff4dafe6a58e6583 100644 --- a/drivers/phy/phy-snps-eusb2.c +++ b/drivers/phy/phy-snps-eusb2.c @@ -420,6 +420,12 @@ static int qcom_snps_eusb2_hsphy_init(struct phy *p) /* set default parameters */ qcom_eusb2_default_parameters(phy);+ if (of_device_is_compatible(p->dev.of_node, "qcom,sm7635-snps-eusb2-phy")) {+ /* eUSB2 HPG version 1.0.2 update */ + writel_relaxed(0x0, phy->base + QCOM_USB_PHY_CFG_CTRL_1); + readl_relaxed(phy->base + QCOM_USB_PHY_CFG_CTRL_1); + } + snps_eusb2_hsphy_write_mask(phy->base, QCOM_USB_PHY_HS_PHY_CTRL2, USB2_SUSPEND_N_SEL | USB2_SUSPEND_N, USB2_SUSPEND_N_SEL | USB2_SUSPEND_N);
Reviewed-by: Neil Armstrong <neil.armstr...@linaro.org>
