From: Patrice Chotard patrice.chotard@st.com
Make this driver more generic as echi-generic
Signed-off-by: Patrice Chotard patrice.chotard@st.com ---
v5: _ add clock, reset and generic phy support
drivers/usb/host/ohci-generic.c | 48 +++++++++++++++++++++++++++++++++++------ 1 file changed, 42 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/host/ohci-generic.c b/drivers/usb/host/ohci-generic.c index f3307f4..33e8095 100644 --- a/drivers/usb/host/ohci-generic.c +++ b/drivers/usb/host/ohci-generic.c @@ -5,7 +5,12 @@ */
#include <common.h> +#include <clk.h> #include <dm.h> +#include <fdtdec.h> +#include <generic-phy.h> +#include <reset.h> + #include "ohci.h"
#if !defined(CONFIG_USB_OHCI_NEW) @@ -19,13 +24,44 @@ struct generic_ohci { static int ohci_usb_probe(struct udevice *dev) { struct ohci_regs *regs = (struct ohci_regs *)dev_get_addr(dev); + int i;
- return ohci_register(dev, regs); -} + for (i = 0; ; i++) { + struct clk clk; + int ret;
-static int ohci_usb_remove(struct udevice *dev) -{ - return ohci_deregister(dev); + ret = clk_get_by_index(dev, i, &clk); + if (ret < 0) + break; + if (clk_enable(&clk)) + printf("failed to enable clock %d\n", i); + clk_free(&clk); + } + + for (i = 0; ; i++) { + struct reset_ctl reset; + int ret; + + ret = reset_get_by_index(dev, i, &reset); + if (ret < 0) + break; + if (reset_deassert(&reset)) + printf("failed to deassert reset %d\n", i); + reset_free(&reset); + } + + for (i = 0; ; i++) { + struct phy usb_phy; + int ret; + + ret = generic_phy_get_by_index(dev, i, &usb_phy); + if (ret < 0) + break; + if (generic_phy_init(&usb_phy)) + printf("failed to init usb phy %d\n", i); + } + + return ohci_register(dev, regs); }
static const struct udevice_id ohci_usb_ids[] = { @@ -38,7 +74,7 @@ U_BOOT_DRIVER(ohci_generic) = { .id = UCLASS_USB, .of_match = ohci_usb_ids, .probe = ohci_usb_probe, - .remove = ohci_usb_remove, + .remove = ohci_deregister, .ops = &ohci_usb_ops, .priv_auto_alloc_size = sizeof(struct generic_ohci), .flags = DM_FLAG_ALLOC_PRIV_DMA,