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authorLinus Torvalds <torvalds@linux-foundation.org>2024-11-27 13:33:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2024-11-27 13:33:43 -0800
commit0ce9a5ffca7cb74efe6e981e42f82d0838fd31cd (patch)
treee73ecb1e3ed12755d62e58095471edd7a466de4f /drivers/phy/marvell/phy-mvebu-cp110-utmi.c
parent7536c1a50ea592967b0db8292b44d4b86bca35bc (diff)
parent32f4a76b8e7cedec9f9aedbfc43626536bba8350 (diff)
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Merge tag 'phy-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul: "New hardware support: - ST STM32MP25 combophy support - Sparx5 support for lan969x serdes and updates to driver to support this - NXP PTN3222 eUSB2 to USB2 redriver - Qualcomm SAR2130P eusb2 support, QCS8300 USB DW3 and QMP USB2 support, X1E80100 QMP PCIe PHY Gen4 support, QCS615 and QCS8300 QMP UFS PHY support and SA8775P eDP PHY support - Rockchip rk3576 usbdp and rk3576 usb2 phy support - Binding for Microchip ATA6561 can phy Updates: - Freescale driver updates from hdmi support - Conversion of rockchip rk3228 hdmi phy binding to yaml - Broadcom usb2-phy deprecated support dropped and USB init array update for BCM4908 - TI USXGMII mode support in J7200 - Switch back to platform_driver::remove() subsystem update" * tag 'phy-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (59 commits) phy: qcom: qmp: Fix lecacy-legacy typo phy: lan969x-serdes: add support for lan969x serdes driver dt-bindings: phy: sparx5: document lan969x phy: sparx5-serdes: add support for branching on chip type phy: sparx5-serdes: add indirection layer to register macros phy: sparx5-serdes: add function for getting the CMU index phy: sparx5-serdes: add ops to match data phy: sparx5-serdes: add constant for the number of CMU's phy: sparx5-serdes: add constants to match data phy: sparx5-serdes: add support for private match data phy: bcm-ns-usb2: drop support for old binding variant dt-bindings: phy: bcm-ns-usb2-phy: drop deprecated variant dt-bindings: phy: Add QMP UFS PHY compatible for QCS8300 dt-bindings: phy: qcom: snps-eusb2: Add SAR2130P compatible dt-bindings: phy: ti,tcan104x-can: Document Microchip ATA6561 phy: airoha: Fix REG_CSR_2L_RX{0,1}_REV0 definitions phy: airoha: Fix REG_CSR_2L_JCPLL_SDM_HREN config in airoha_pcie_phy_init_ssc_jcpll() phy: airoha: Fix REG_PCIE_PMA_TX_RESET config in airoha_pcie_phy_init_csr_2l() phy: airoha: Fix REG_CSR_2L_PLL_CMN_RESERVE0 config in airoha_pcie_phy_init_clk_out() phy: phy-rockchip-samsung-hdptx: Don't request RST_PHY/RST_ROPLL/RST_LCPLL ...
Diffstat (limited to 'drivers/phy/marvell/phy-mvebu-cp110-utmi.c')
-rw-r--r--drivers/phy/marvell/phy-mvebu-cp110-utmi.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/phy/marvell/phy-mvebu-cp110-utmi.c b/drivers/phy/marvell/phy-mvebu-cp110-utmi.c
index 4922a5f3327d..59903f86b13f 100644
--- a/drivers/phy/marvell/phy-mvebu-cp110-utmi.c
+++ b/drivers/phy/marvell/phy-mvebu-cp110-utmi.c
@@ -62,6 +62,8 @@
#define SQ_AMP_CAL_MASK GENMASK(2, 0)
#define SQ_AMP_CAL_VAL 1
#define SQ_AMP_CAL_EN BIT(3)
+#define UTMI_DIG_CTRL1_REG 0x20
+#define SWAP_DPDM BIT(15)
#define UTMI_CTRL_STATUS0_REG 0x24
#define SUSPENDM BIT(22)
#define TEST_SEL BIT(25)
@@ -99,11 +101,13 @@ struct mvebu_cp110_utmi {
* @priv: PHY driver data
* @id: PHY port ID
* @dr_mode: PHY connection: USB_DR_MODE_HOST or USB_DR_MODE_PERIPHERAL
+ * @swap_dx: whether to swap d+/d- signals
*/
struct mvebu_cp110_utmi_port {
struct mvebu_cp110_utmi *priv;
u32 id;
enum usb_dr_mode dr_mode;
+ bool swap_dx;
};
static void mvebu_cp110_utmi_port_setup(struct mvebu_cp110_utmi_port *port)
@@ -159,6 +163,13 @@ static void mvebu_cp110_utmi_port_setup(struct mvebu_cp110_utmi_port *port)
reg &= ~(VDAT_MASK | VSRC_MASK);
reg |= (VDAT_VAL << VDAT_OFFSET) | (VSRC_VAL << VSRC_OFFSET);
writel(reg, PORT_REGS(port) + UTMI_CHGDTC_CTRL_REG);
+
+ /* Swap D+/D- */
+ reg = readl(PORT_REGS(port) + UTMI_DIG_CTRL1_REG);
+ reg &= ~(SWAP_DPDM);
+ if (port->swap_dx)
+ reg |= SWAP_DPDM;
+ writel(reg, PORT_REGS(port) + UTMI_DIG_CTRL1_REG);
}
static int mvebu_cp110_utmi_phy_power_off(struct phy *phy)
@@ -286,6 +297,7 @@ static int mvebu_cp110_utmi_phy_probe(struct platform_device *pdev)
struct phy_provider *provider;
struct device_node *child;
u32 usb_devices = 0;
+ u32 swap_dx = 0;
utmi = devm_kzalloc(dev, sizeof(*utmi), GFP_KERNEL);
if (!utmi)
@@ -345,6 +357,10 @@ static int mvebu_cp110_utmi_phy_probe(struct platform_device *pdev)
}
}
+ of_property_for_each_u32(dev->of_node, "swap-dx-lanes", swap_dx)
+ if (swap_dx == port_id)
+ port->swap_dx = 1;
+
/* Retrieve PHY capabilities */
utmi->ops = &mvebu_cp110_utmi_phy_ops;