From e7e81e8959ebc3d5031eae3d5ff03990656f5c36 Mon Sep 17 00:00:00 2001 From: Giulio Benetti Date: Thu, 20 May 2021 16:10:15 +0200 Subject: [PATCH] usb: ehci-mx6: add support for i.MXRT Add support for usb1 and usb2 present on i.IMXRT. Signed-off-by: Giulio Benetti --- arch/arm/include/asm/arch-imxrt/imx-regs.h | 4 ++++ drivers/usb/host/Kconfig | 2 +- drivers/usb/host/ehci-mx6.c | 13 +++++++------ 3 files changed, 12 insertions(+), 7 deletions(-) diff --git a/arch/arm/include/asm/arch-imxrt/imx-regs.h b/arch/arm/include/asm/arch-imxrt/imx-regs.h index 44c95dcd11..d01e6ca2e0 100644 --- a/arch/arm/include/asm/arch-imxrt/imx-regs.h +++ b/arch/arm/include/asm/arch-imxrt/imx-regs.h @@ -23,4 +23,8 @@ #include #endif +#define USB_BASE_ADDR 0x402E0000 +#define USB_PHY0_BASE_ADDR 0x400D9000 +#define USB_PHY1_BASE_ADDR 0x400DA000 + #endif /* __ASM_ARCH_IMX_REGS_H__ */ diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index bf5d82f035..f34cba2395 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -149,7 +149,7 @@ config USB_EHCI_MX5 config USB_EHCI_MX6 bool "Support for i.MX6/i.MX7ULP on-chip EHCI USB controller" - depends on ARCH_MX6 || ARCH_MX7ULP + depends on ARCH_MX6 || ARCH_MX7ULP || ARCH_IMXRT default y ---help--- Enables support for the on-chip EHCI controller on i.MX6 SoCs. diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index 06be9deaaa..238c93183b 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -177,7 +177,7 @@ static void __maybe_unused usb_power_config_mx7ulp(void *usbphy) { } #endif -#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) +#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) || defined(CONFIG_IMXRT) static const unsigned phy_bases[] = { USB_PHY0_BASE_ADDR, #if defined(USB_PHY1_BASE_ADDR) @@ -340,7 +340,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { enum usb_init_type type; -#if defined(CONFIG_MX6) +#if defined(CONFIG_MX6) || defined(CONFIG_IMXRT) u32 controller_spacing = 0x200; struct anatop_regs __iomem *anatop = (struct anatop_regs __iomem *)ANATOP_BASE_ADDR; @@ -382,7 +382,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, return ret; } -#if defined(CONFIG_MX6) +#if defined(CONFIG_MX6) || defined(CONFIG_IMXRT) usb_power_config_mx6(anatop, index); #elif defined (CONFIG_MX7) usb_power_config_mx7(usbnc); @@ -392,7 +392,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, usb_oc_config(usbnc, index); -#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) +#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) || defined(CONFIG_IMXRT) if (index < ARRAY_SIZE(phy_bases)) { usb_internal_phy_clock_gate((void __iomem *)phy_bases[index], 1); usb_phy_enable(ehci, (void __iomem *)phy_bases[index]); @@ -504,7 +504,7 @@ static int ehci_usb_phy_mode(struct udevice *dev) * About fsl,usbphy, Refer to * Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt. */ - if (is_mx6() || is_mx7ulp()) { + if (is_mx6() || is_mx7ulp() || is_imxrt()) { phy_off = fdtdec_lookup_phandle(blob, offset, "fsl,usbphy"); @@ -671,7 +671,7 @@ static int ehci_usb_probe(struct udevice *dev) usb_oc_config(priv->misc_addr, priv->portnr); -#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) +#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) || defined(CONFIG_IMXRT) usb_internal_phy_clock_gate(priv->phy_addr, 1); usb_phy_enable(ehci, priv->phy_addr); #endif @@ -757,6 +757,7 @@ int ehci_usb_remove(struct udevice *dev) static const struct udevice_id mx6_usb_ids[] = { { .compatible = "fsl,imx27-usb" }, { .compatible = "fsl,imx7d-usb" }, + { .compatible = "fsl,imxrt-usb" }, { } };