[U-Boot] [PATCH 1/2] usb: extend generic EHCI driver with PHY
Marek Vasut
marex at denx.de
Fri May 12 13:20:06 UTC 2017
On 05/12/2017 03:13 PM, patrice.chotard at st.com wrote:
> From: Patrice Chotard <patrice.chotard at st.com>
>
> Add support of generic PHY framework
> Replace printf() by error()
>
> Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
> ---
> drivers/usb/host/ehci-generic.c | 11 +++++++++--
> 1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-generic.c b/drivers/usb/host/ehci-generic.c
> index 2190adb..d744a57 100644
> --- a/drivers/usb/host/ehci-generic.c
> +++ b/drivers/usb/host/ehci-generic.c
> @@ -6,6 +6,8 @@
>
> #include <common.h>
> #include <clk.h>
> +#include <fdtdec.h>
> +#include <generic-phy.h>
> #include <reset.h>
> #include <asm/io.h>
> #include <dm.h>
> @@ -24,6 +26,7 @@ static int ehci_usb_probe(struct udevice *dev)
> {
> struct ehci_hccr *hccr;
> struct ehci_hcor *hcor;
> + struct phy usb_phy;
> int i;
>
> for (i = 0; ; i++) {
> @@ -34,7 +37,7 @@ static int ehci_usb_probe(struct udevice *dev)
> if (ret < 0)
> break;
> if (clk_enable(&clk))
> - printf("failed to enable clock %d\n", i);
> + error("failed to enable clock %d\n", i);
Separate patch please
> clk_free(&clk);
> }
>
> @@ -46,10 +49,14 @@ static int ehci_usb_probe(struct udevice *dev)
> if (ret < 0)
> break;
> if (reset_deassert(&reset))
> - printf("failed to deassert reset %d\n", i);
> + error("failed to deassert reset %d\n", i);
DTTO
> reset_free(&reset);
> }
>
> + if (!generic_phy_get_by_index(dev, 0, &usb_phy))
> + if (generic_phy_init(&usb_phy))
> + error("failed to init usb phy %d\n", i);
Is there any de-init for the PHY ?
> hccr = map_physmem(dev_get_addr(dev), 0x100, MAP_NOCACHE);
> hcor = (struct ehci_hcor *)((uintptr_t)hccr +
> HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
>
--
Best regards,
Marek Vasut
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