summaryrefslogtreecommitdiff
path: root/drivers/phy/renesas
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2025-06-05 08:20:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-06-05 08:20:21 -0700
commitd12ed2b7e1fe5c9e4a372a95fb7635a7f81eff6a (patch)
treeb41fd5f505d52a5f3c11c9bd7a73989533890472 /drivers/phy/renesas
parenta479ebb269bc0c4d286f0413b92f92808e053b79 (diff)
parent0c22287319741b4e7c7beaedac1f14fbe01a03b9 (diff)
Merge tag 'phy-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul: "As usual featuring couple of new driver and bunch of new device support and some driver changes to Freescale, rockchip driver along with couple of yaml binding conversions. New Support: - Qualcomm IPQ5424 qusb2 support, IPQ5018 uniphy-pcie driver - Rockchip usb2 support for RK3562, RK3036 usb2 phy support - Samsung exynos2200 eusb2 phy support and driver refactoring for this support, exynos7870 USBDRD support - Mediatek MT7988 xs-phy support - Broadcom BCM74110 usb phy support - Renesas RZ/V2H(P) usb2 phy support Updates: - Freescale phy rate claculation updates, i.MX95 tuning support - Better error handling for amlogic pcie phy - Rockchip color depth configuration and management support - Yaml binding conversion for RK3399 Type-C and PCIe Phy" * tag 'phy-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (77 commits) phy: tegra: p2u: Broaden architecture dependency phy: rockchip: inno-usb2: Add usb2 phy support for rk3562 dt-bindings: phy: rockchip,inno-usb2phy: add rk3562 phy: rockchip: inno-usb2: add phy definition for rk3036 dt-bindings: phy: rockchip,inno-usb2phy: add rk3036 compatible phy: freescale: fsl-samsung-hdmi: Improve LUT search for best clock phy: freescale: fsl-samsung-hdmi: Refactor finding PHY settings phy: freescale: fsl-samsung-hdmi: Rename phy_clk_round_rate phy: renesas: phy-rcar-gen3-usb2: Add USB2.0 PHY support for RZ/V2H(P) phy: renesas: phy-rcar-gen3-usb2: Sort compatible entries by SoC part number dt-bindings: phy: renesas,usb2-phy: Document RZ/V2H(P) SoC dt-bindings: phy: renesas,usb2-phy: Add clock constraint for RZ/G2L family phy: exynos5-usbdrd: support Exynos USBDRD 3.2 4nm controller phy: phy-snps-eusb2: add support for exynos2200 phy: phy-snps-eusb2: refactor reference clock init phy: phy-snps-eusb2: make reset control optional phy: phy-snps-eusb2: make repeater optional phy: phy-snps-eusb2: split phy init code phy: phy-snps-eusb2: refactor constructs names phy: move phy-qcom-snps-eusb2 out of its vendor sub-directory ...
Diffstat (limited to 'drivers/phy/renesas')
-rw-r--r--drivers/phy/renesas/phy-rcar-gen3-usb2.c38
1 files changed, 34 insertions, 4 deletions
diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
index 9fdf17e0848a..47beb94cd424 100644
--- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
@@ -29,8 +29,10 @@
#define USB2_INT_ENABLE 0x000
#define USB2_AHB_BUS_CTR 0x008
#define USB2_USBCTR 0x00c
+#define USB2_REGEN_CG_CTRL 0x104 /* RZ/V2H(P) only */
#define USB2_SPD_RSM_TIMSET 0x10c
#define USB2_OC_TIMSET 0x110
+#define USB2_UTMI_CTRL 0x118 /* RZ/V2H(P) only */
#define USB2_COMMCTRL 0x600
#define USB2_OBINTSTA 0x604
#define USB2_OBINTEN 0x608
@@ -51,12 +53,18 @@
#define USB2_USBCTR_DIRPD BIT(2)
#define USB2_USBCTR_PLL_RST BIT(1)
+/* REGEN_CG_CTRL*/
+#define USB2_REGEN_CG_CTRL_UPHY_WEN BIT(0)
+
/* SPD_RSM_TIMSET */
#define USB2_SPD_RSM_TIMSET_INIT 0x014e029b
/* OC_TIMSET */
#define USB2_OC_TIMSET_INIT 0x000209ab
+/* UTMI_CTRL */
+#define USB2_UTMI_CTRL_INIT 0x8000018f
+
/* COMMCTRL */
#define USB2_COMMCTRL_OTG_PERI BIT(31) /* 1 = Peripheral mode */
@@ -126,12 +134,14 @@ struct rcar_gen3_chan {
bool is_otg_channel;
bool uses_otg_pins;
bool soc_no_adp_ctrl;
+ bool utmi_ctrl;
};
struct rcar_gen3_phy_drv_data {
const struct phy_ops *phy_usb2_ops;
bool no_adp_ctrl;
bool init_bus;
+ bool utmi_ctrl;
};
/*
@@ -477,6 +487,14 @@ static int rcar_gen3_phy_usb2_init(struct phy *p)
if (rphy->int_enable_bits)
rcar_gen3_init_otg(channel);
+ if (channel->utmi_ctrl) {
+ val = readl(usb2_base + USB2_REGEN_CG_CTRL) | USB2_REGEN_CG_CTRL_UPHY_WEN;
+ writel(val, usb2_base + USB2_REGEN_CG_CTRL);
+
+ writel(USB2_UTMI_CTRL_INIT, usb2_base + USB2_UTMI_CTRL);
+ writel(val & ~USB2_REGEN_CG_CTRL_UPHY_WEN, usb2_base + USB2_REGEN_CG_CTRL);
+ }
+
rphy->initialized = true;
return 0;
@@ -592,6 +610,12 @@ static const struct rcar_gen3_phy_drv_data rz_g3s_phy_usb2_data = {
.init_bus = true,
};
+static const struct rcar_gen3_phy_drv_data rz_v2h_phy_usb2_data = {
+ .phy_usb2_ops = &rcar_gen3_phy_usb2_ops,
+ .no_adp_ctrl = true,
+ .utmi_ctrl = true,
+};
+
static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = {
{
.compatible = "renesas,usb2-phy-r8a77470",
@@ -610,14 +634,18 @@ static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = {
.data = &rcar_gen3_phy_usb2_data,
},
{
- .compatible = "renesas,rzg2l-usb2-phy",
- .data = &rz_g2l_phy_usb2_data,
- },
- {
.compatible = "renesas,usb2-phy-r9a08g045",
.data = &rz_g3s_phy_usb2_data,
},
{
+ .compatible = "renesas,usb2-phy-r9a09g057",
+ .data = &rz_v2h_phy_usb2_data,
+ },
+ {
+ .compatible = "renesas,rzg2l-usb2-phy",
+ .data = &rz_g2l_phy_usb2_data,
+ },
+ {
.compatible = "renesas,rcar-gen3-usb2-phy",
.data = &rcar_gen3_phy_usb2_data,
},
@@ -764,6 +792,8 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
if (phy_data->no_adp_ctrl)
channel->obint_enable_bits = USB2_OBINT_IDCHG_EN;
+ channel->utmi_ctrl = phy_data->utmi_ctrl;
+
spin_lock_init(&channel->lock);
for (i = 0; i < NUM_OF_PHYS; i++) {
channel->rphys[i].phy = devm_phy_create(dev, NULL,