Add the ability to enable/disable whatever USB PHY's are passed to the AT91 OHCI driver through DT.
Signed-off-by: Sergiu Moga sergiu.moga@microchip.com Tested-by: Mihai Sain mihai.sain@microchip.com ---
v1 -> v4: - No change
drivers/usb/host/ohci-at91.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 8a10a29564..4b1aff4127 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -74,6 +74,10 @@ int usb_cpu_init_fail(void) #include <usb.h> #include "ohci.h"
+#if CONFIG_IS_ENABLED(PHY_MICROCHIP_SAMA7_USB) +#include <generic-phy.h> +#endif + #define AT91_MAX_USBH_PORTS 3
#define at91_for_each_port(index) \ @@ -90,6 +94,10 @@ struct ohci_at91_priv { struct clk *fclk; struct clk *hclk; bool clocked; + +#if CONFIG_IS_ENABLED(PHY_MICROCHIP_SAMA7_USB) + struct phy phy[AT91_MAX_USBH_PORTS]; +#endif };
static void at91_start_clock(struct ohci_at91_priv *ohci_at91) @@ -97,6 +105,13 @@ static void at91_start_clock(struct ohci_at91_priv *ohci_at91) if (ohci_at91->clocked) return;
+#if CONFIG_IS_ENABLED(PHY_MICROCHIP_SAMA7_USB) + int i; + + at91_for_each_port(i) + generic_phy_power_on(&ohci_at91->phy[i]); +#endif + clk_set_rate(ohci_at91->fclk, 48000000); clk_prepare_enable(ohci_at91->hclk); clk_prepare_enable(ohci_at91->iclk); @@ -109,6 +124,13 @@ static void at91_stop_clock(struct ohci_at91_priv *ohci_at91) if (!ohci_at91->clocked) return;
+#if CONFIG_IS_ENABLED(PHY_MICROCHIP_SAMA7_USB) + int i; + + at91_for_each_port(i) + generic_phy_power_off(&ohci_at91->phy[i]); +#endif + clk_disable_unprepare(ohci_at91->fclk); clk_disable_unprepare(ohci_at91->iclk); clk_disable_unprepare(ohci_at91->hclk); @@ -214,6 +236,14 @@ static int ohci_atmel_probe(struct udevice *dev) goto fail; }
+#if CONFIG_IS_ENABLED(PHY_MICROCHIP_SAMA7_USB) + at91_for_each_port(i) { + generic_phy_get_by_index(dev, i, &ohci_at91->phy[i]); + generic_phy_init(&ohci_at91->phy[i]); + generic_phy_configure(&ohci_at91->phy[i], NULL); + } +#endif + at91_start_hc(dev);
return ohci_register(dev, regs); @@ -228,6 +258,7 @@ fail:
static const struct udevice_id ohci_usb_ids[] = { { .compatible = "atmel,at91rm9200-ohci", }, + { .compatible = "microchip,sama7g5-ohci", }, { } };