[PATCH v2 6/9] driver: usb: drop legacy rockchip xhci driver
Frank Wang
frank.wang at rock-chips.com
Thu Apr 30 04:17:56 CEST 2020
We have changed to use dwc3 generic driver for usb3.0 host, so the
legacy Rockchip's xHCI driver is not needed, and drop it.
Signed-off-by: Frank Wang <frank.wang at rock-chips.com>
---
drivers/usb/host/Kconfig | 9 --
drivers/usb/host/Makefile | 1 -
drivers/usb/host/xhci-rockchip.c | 196 -------------------------------
3 files changed, 206 deletions(-)
delete mode 100644 drivers/usb/host/xhci-rockchip.c
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 94ac969058..94232358a0 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -47,15 +47,6 @@ config USB_XHCI_PCI
help
Enables support for the PCI-based xHCI controller.
-config USB_XHCI_ROCKCHIP
- bool "Support for Rockchip on-chip xHCI USB controller"
- depends on ARCH_ROCKCHIP
- depends on DM_REGULATOR
- depends on DM_USB
- default y
- help
- Enables support for the on-chip xHCI controller on Rockchip SoCs.
-
config USB_XHCI_RCAR
bool "Renesas RCar USB 3.0 support"
default y
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index b62f346094..1754714673 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -48,7 +48,6 @@ obj-$(CONFIG_USB_XHCI_BRCM) += xhci-brcm.o
obj-$(CONFIG_USB_XHCI_HCD) += xhci.o xhci-mem.o xhci-ring.o
obj-$(CONFIG_USB_XHCI_DWC3) += xhci-dwc3.o
obj-$(CONFIG_USB_XHCI_DWC3_OF_SIMPLE) += dwc3-of-simple.o
-obj-$(CONFIG_USB_XHCI_ROCKCHIP) += xhci-rockchip.o
obj-$(CONFIG_USB_XHCI_EXYNOS) += xhci-exynos5.o
obj-$(CONFIG_USB_XHCI_FSL) += xhci-fsl.o
obj-$(CONFIG_USB_XHCI_MVEBU) += xhci-mvebu.o
diff --git a/drivers/usb/host/xhci-rockchip.c b/drivers/usb/host/xhci-rockchip.c
deleted file mode 100644
index b67722fe45..0000000000
--- a/drivers/usb/host/xhci-rockchip.c
+++ /dev/null
@@ -1,196 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (c) 2016 Rockchip, Inc.
- * Authors: Daniel Meng <daniel.meng at rock-chips.com>
- */
-#include <common.h>
-#include <dm.h>
-#include <malloc.h>
-#include <usb.h>
-#include <watchdog.h>
-#include <linux/errno.h>
-#include <linux/compat.h>
-#include <linux/usb/dwc3.h>
-#include <power/regulator.h>
-
-#include <usb/xhci.h>
-
-struct rockchip_xhci_platdata {
- fdt_addr_t hcd_base;
- struct udevice *vbus_supply;
-};
-
-/*
- * Contains pointers to register base addresses
- * for the usb controller.
- */
-struct rockchip_xhci {
- struct usb_platdata usb_plat;
- struct xhci_ctrl ctrl;
- struct xhci_hccr *hcd;
- struct dwc3 *dwc3_reg;
-};
-
-static int xhci_usb_ofdata_to_platdata(struct udevice *dev)
-{
- struct rockchip_xhci_platdata *plat = dev_get_platdata(dev);
- int ret = 0;
-
- /*
- * Get the base address for XHCI controller from the device node
- */
- plat->hcd_base = dev_read_addr(dev);
- if (plat->hcd_base == FDT_ADDR_T_NONE) {
- pr_err("Can't get the XHCI register base address\n");
- return -ENXIO;
- }
-
- /* Vbus regulator */
- ret = device_get_supply_regulator(dev, "vbus-supply",
- &plat->vbus_supply);
- if (ret)
- debug("Can't get VBus regulator!\n");
-
- return 0;
-}
-
-/*
- * rockchip_dwc3_phy_setup() - Configure USB PHY Interface of DWC3 Core
- * @dwc: Pointer to our controller context structure
- * @dev: Pointer to ulcass device
- */
-static void rockchip_dwc3_phy_setup(struct dwc3 *dwc3_reg,
- struct udevice *dev)
-{
- u32 reg;
- u32 utmi_bits;
-
- /* Set dwc3 usb2 phy config */
- reg = readl(&dwc3_reg->g_usb2phycfg[0]);
-
- if (dev_read_bool(dev, "snps,dis-enblslpm-quirk"))
- reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM;
-
- utmi_bits = dev_read_u32_default(dev, "snps,phyif-utmi-bits", -1);
- if (utmi_bits == 16) {
- reg |= DWC3_GUSB2PHYCFG_PHYIF;
- reg &= ~DWC3_GUSB2PHYCFG_USBTRDTIM_MASK;
- reg |= DWC3_GUSB2PHYCFG_USBTRDTIM_16BIT;
- } else if (utmi_bits == 8) {
- reg &= ~DWC3_GUSB2PHYCFG_PHYIF;
- reg &= ~DWC3_GUSB2PHYCFG_USBTRDTIM_MASK;
- reg |= DWC3_GUSB2PHYCFG_USBTRDTIM_8BIT;
- }
-
- if (dev_read_bool(dev, "snps,dis-u2-freeclk-exists-quirk"))
- reg &= ~DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS;
-
- if (dev_read_bool(dev, "snps,dis-u2-susphy-quirk"))
- reg &= ~DWC3_GUSB2PHYCFG_SUSPHY;
-
- writel(reg, &dwc3_reg->g_usb2phycfg[0]);
-}
-
-static int rockchip_xhci_core_init(struct rockchip_xhci *rkxhci,
- struct udevice *dev)
-{
- int ret;
-
- ret = dwc3_core_init(rkxhci->dwc3_reg);
- if (ret) {
- pr_err("failed to initialize core\n");
- return ret;
- }
-
- rockchip_dwc3_phy_setup(rkxhci->dwc3_reg, dev);
-
- /* We are hard-coding DWC3 core to Host Mode */
- dwc3_set_mode(rkxhci->dwc3_reg, DWC3_GCTL_PRTCAP_HOST);
-
- return 0;
-}
-
-static int rockchip_xhci_core_exit(struct rockchip_xhci *rkxhci)
-{
- return 0;
-}
-
-static int xhci_usb_probe(struct udevice *dev)
-{
- struct rockchip_xhci_platdata *plat = dev_get_platdata(dev);
- struct rockchip_xhci *ctx = dev_get_priv(dev);
- struct xhci_hcor *hcor;
- int ret;
-
- ctx->hcd = (struct xhci_hccr *)plat->hcd_base;
- ctx->dwc3_reg = (struct dwc3 *)((char *)(ctx->hcd) + DWC3_REG_OFFSET);
- hcor = (struct xhci_hcor *)((uint64_t)ctx->hcd +
- HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase)));
-
- if (plat->vbus_supply) {
- ret = regulator_set_enable(plat->vbus_supply, true);
- if (ret) {
- pr_err("XHCI: failed to set VBus supply\n");
- return ret;
- }
- }
-
- ret = rockchip_xhci_core_init(ctx, dev);
- if (ret) {
- pr_err("XHCI: failed to initialize controller\n");
- return ret;
- }
-
- return xhci_register(dev, ctx->hcd, hcor);
-}
-
-static int xhci_usb_remove(struct udevice *dev)
-{
- struct rockchip_xhci_platdata *plat = dev_get_platdata(dev);
- struct rockchip_xhci *ctx = dev_get_priv(dev);
- int ret;
-
- ret = xhci_deregister(dev);
- if (ret)
- return ret;
- ret = rockchip_xhci_core_exit(ctx);
- if (ret)
- return ret;
-
- if (plat->vbus_supply) {
- ret = regulator_set_enable(plat->vbus_supply, false);
- if (ret)
- pr_err("XHCI: failed to set VBus supply\n");
- }
-
- return ret;
-}
-
-static const struct udevice_id xhci_usb_ids[] = {
- { .compatible = "rockchip,rk3328-xhci" },
- { }
-};
-
-U_BOOT_DRIVER(usb_xhci) = {
- .name = "xhci_rockchip",
- .id = UCLASS_USB,
- .of_match = xhci_usb_ids,
- .ofdata_to_platdata = xhci_usb_ofdata_to_platdata,
- .probe = xhci_usb_probe,
- .remove = xhci_usb_remove,
- .ops = &xhci_usb_ops,
- .bind = dm_scan_fdt_dev,
- .platdata_auto_alloc_size = sizeof(struct rockchip_xhci_platdata),
- .priv_auto_alloc_size = sizeof(struct rockchip_xhci),
- .flags = DM_FLAG_ALLOC_PRIV_DMA,
-};
-
-static const struct udevice_id usb_phy_ids[] = {
- { .compatible = "rockchip,rk3328-usb3-phy" },
- { }
-};
-
-U_BOOT_DRIVER(usb_phy) = {
- .name = "usb_phy_rockchip",
- .of_match = usb_phy_ids,
-};
--
2.17.1
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