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usb: ehci-mx6: add support for i.MXRT

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Add support for usb1 and usb2 present on i.IMXRT.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
This commit is contained in:
Giulio Benetti 2021-05-20 16:10:15 +02:00 committed by Stefano Babic
parent 45a5f76cfc
commit e7e81e8959
3 changed files with 12 additions and 7 deletions
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4
arch/arm/include/asm/arch-imxrt/imx-regs.h
View file

@ -23,4 +23,8 @@
#include <asm/mach-imx/regs-lcdif.h>
#endif
#define USB_BASE_ADDR 0x402E0000
#define USB_PHY0_BASE_ADDR 0x400D9000
#define USB_PHY1_BASE_ADDR 0x400DA000
#endif /* __ASM_ARCH_IMX_REGS_H__ */

2
drivers/usb/host/Kconfig
View file

@ -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.

13
drivers/usb/host/ehci-mx6.c
View file

@ -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" },
{ }
};