On 22 March 2017 at 03:54, patrice.chotard@st.com wrote:
From: Patrice Chotard patrice.chotard@st.com
Add support for on-chip ohci controller available on STMicrolectronics SoCs. Ohci support will be then available on both type A USB 2.0 connectors.
Signed-off-by: Patrice Chotard patrice.chotard@st.com
v2: _ put board specific defines in a separate patch (patch 8)
drivers/usb/host/Kconfig | 9 +++++ drivers/usb/host/Makefile | 1 + drivers/usb/host/ohci-sti.c | 90 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 100 insertions(+) create mode 100644 drivers/usb/host/ohci-sti.c
Reviewed-by: Simon Glass sjg@chromium.org
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index d66f49e..33ded5d 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -168,6 +168,15 @@ config USB_OHCI_GENERIC ---help--- Enables support for generic OHCI controller.
+config USB_OHCI_STI
bool "Support for STMicroelectronics OHCI USB controller"depends on ARCH_STIdepends on OF_CONTROLdepends on DM_USBselect USB_HOST---help---Enables support for the on-chip OHCI controller on STMicroelectronics SoCs.endif # USB_OHCI_HCD
config USB_UHCI_HCD diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 303aa32..b78e632 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_USB_OHCI_EP93XX) += ohci-ep93xx.o obj-$(CONFIG_USB_OHCI_SUNXI) += ohci-sunxi.o obj-$(CONFIG_USB_OHCI_LPC32XX) += ohci-lpc32xx.o obj-$(CONFIG_USB_OHCI_GENERIC) += ohci-generic.o +obj-$(CONFIG_USB_OHCI_STI) += ohci-sti.o
# echi obj-$(CONFIG_USB_EHCI) += ehci-hcd.o diff --git a/drivers/usb/host/ohci-sti.c b/drivers/usb/host/ohci-sti.c new file mode 100644 index 0000000..62b63cd --- /dev/null +++ b/drivers/usb/host/ohci-sti.c @@ -0,0 +1,90 @@ +/*
- Copyright (c) 2017
- Patrice Chotard patrice.chotard@st.com
- SPDX-License-Identifier: GPL-2.0+
- */
+#include <common.h> +#include <asm/io.h> +#include <dm.h> +#include <errno.h> +#include "ohci.h" +#include <reset-uclass.h> +#include <usb.h>
+DECLARE_GLOBAL_DATA_PTR;
+#if !defined(CONFIG_USB_OHCI_NEW) +# error "Generic OHCI driver requires CONFIG_USB_OHCI_NEW" +#endif
+struct sti_ohci_priv {
ohci_t ohci;struct reset_ctl power_ctl;struct reset_ctl softreset_ctl;+};
+static int ohci_usb_probe(struct udevice *dev) +{
struct sti_ohci_priv *priv = dev_get_priv(dev);struct ohci_regs *regs;struct udevice *dev_phy;int ret, phy_node;regs = (struct ohci_regs *)dev_get_addr(dev);if (regs == (void *)FDT_ADDR_T_NONE)return -EINVAL;ret = reset_get_by_name(dev, "power", &priv->power_ctl);if (ret) {error("can't get power reset for %s (%d)", dev->name, ret);return ret;}ret = reset_get_by_name(dev, "softreset", &priv->softreset_ctl);if (ret) {error("can't get soft reset for %s (%d)", dev->name, ret);return ret;}ret = reset_deassert(&priv->power_ctl);if (ret < 0) {error("OHCI power reset deassert failed: %d", ret);return ret;}ret = reset_deassert(&priv->softreset_ctl);if (ret < 0) {error("OHCI soft reset deassert failed: %d", ret);return ret;}/* get phy node */phy_node = fdtdec_lookup_phandle(gd->fdt_blob, dev->of_offset, "phys");if (phy_node <= 0) {error("Not found usb phy device\n");return -ENODEV;}/* probe associated phy node */ret = uclass_get_device_by_of_offset(UCLASS_MISC, phy_node, &dev_phy);
Again, can you use uclass_get_device_by_phandle()?
return ohci_register(dev, regs);+}
+static const struct udevice_id sti_usb_ids[] = {
{ .compatible = "st,st-ohci-300x" },{ }+};
+U_BOOT_DRIVER(ohci_sti) = {
.name = "ohci_sti",.id = UCLASS_USB,.of_match = sti_usb_ids,.probe = ohci_usb_probe,.remove = ohci_deregister,.ops = &ohci_usb_ops,.priv_auto_alloc_size = sizeof(struct sti_ohci_priv),.flags = DM_FLAG_ALLOC_PRIV_DMA,+};
1.9.1
Regards, Simon