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From patchwork Sun Jun 30 16:01:53 2019
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From: Mark Kettenis <kettenis@openbsd.org>
To: u-boot@lists.denx.de
Date: Sun, 30 Jun 2019 18:01:53 +0200
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Cc: Mark Kettenis <kettenis@openbsd.org>
Subject: [U-Boot] [PATCH v2 1/4] rockchip: clk: rk3399: handle clk_enable
requests for USB3
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The "simple" OF glue layer for the Designware USB3 core enables
all refernced clocks. These need to be need to be implemented
otherwise the driver fails to probe. A dummy implementation
that simply returns success is sufficient since the RK3399 comes
out of reset with all clock gates open.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
---
drivers/clk/rockchip/clk_rk3399.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c
index 79007b8682..d9950c159b 100644
--- a/drivers/clk/rockchip/clk_rk3399.c
+++ b/drivers/clk/rockchip/clk_rk3399.c
@@ -1080,6 +1080,18 @@ static int rk3399_clk_enable(struct clk *clk)
case PCLK_GMAC:
/* Required to successfully probe the Designware GMAC driver */
return 0;
+
+ case SCLK_USB3OTG0_REF:
+ case SCLK_USB3OTG1_REF:
+ case SCLK_USB3OTG0_SUSPEND:
+ case SCLK_USB3OTG1_SUSPEND:
+ case ACLK_USB3OTG0:
+ case ACLK_USB3OTG1:
+ case ACLK_USB3_RKSOC_AXI_PERF:
+ case ACLK_USB3:
+ case ACLK_USB3_GRF:
+ /* Required to successfully probe the Designware USB3 driver */
+ return 0;
}
debug("%s: unsupported clk %ld\n", __func__, clk->id);
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From: Mark Kettenis <kettenis@openbsd.org>
To: u-boot@lists.denx.de
Date: Sun, 30 Jun 2019 18:01:54 +0200
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Cc: Mark Kettenis <kettenis@openbsd.org>
Subject: [U-Boot] [PATCH v2 2/4] usb: dwc3-of-simple: Add support for RK3399
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Add compatible string for RK3399 and enable it by default on
Rockchip platforms with USB3 support.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
---
drivers/usb/host/Kconfig | 1 +
drivers/usb/host/dwc3-of-simple.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index b1188bcbf5..ac68aa2d27 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -24,6 +24,7 @@ config USB_XHCI_DWC3
config USB_XHCI_DWC3_OF_SIMPLE
bool "DesignWare USB3 DRD Generic OF Simple Glue Layer"
depends on DM_USB
+ default y if ARCH_ROCKCHIP
default y if DRA7XX
help
Support USB2/3 functionality in simple SoC integrations with
diff --git a/drivers/usb/host/dwc3-of-simple.c b/drivers/usb/host/dwc3-of-simple.c
index b118997f6e..45df614b09 100644
--- a/drivers/usb/host/dwc3-of-simple.c
+++ b/drivers/usb/host/dwc3-of-simple.c
@@ -92,6 +92,7 @@ static int dwc3_of_simple_remove(struct udevice *dev)
static const struct udevice_id dwc3_of_simple_ids[] = {
{ .compatible = "amlogic,meson-gxl-dwc3" },
+ { .compatible = "rockchip,rk3399-dwc3" },
{ .compatible = "ti,dwc3" },
{ }
};
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From: Mark Kettenis <kettenis@openbsd.org>
To: u-boot@lists.denx.de
Date: Sun, 30 Jun 2019 18:01:55 +0200
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Cc: Mark Kettenis <kettenis@openbsd.org>
Subject: [U-Boot] [PATCH v2 3/4] usb: xhci-dwc3: Add USB2 PHY configuration
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Configure USB2 PHY register based on "phy_type" property and
handle all the quirks that are relevant for Rockchip RK3399 SoCs.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
---
drivers/usb/host/xhci-dwc3.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c
index 83b9f119e7..9e8cae7ae4 100644
--- a/drivers/usb/host/xhci-dwc3.c
+++ b/drivers/usb/host/xhci-dwc3.c
@@ -118,6 +118,8 @@ static int xhci_dwc3_probe(struct udevice *dev)
struct dwc3 *dwc3_reg;
enum usb_dr_mode dr_mode;
struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
+ const char *phy;
+ u32 reg;
int ret;
hccr = (struct xhci_hccr *)((uintptr_t)dev_read_addr(dev));
@@ -132,6 +134,24 @@ static int xhci_dwc3_probe(struct udevice *dev)
dwc3_core_init(dwc3_reg);
+ /* Set dwc3 usb2 phy config */
+ reg = readl(&dwc3_reg->g_usb2phycfg[0]);
+
+ phy = dev_read_string(dev, "phy_type");
+ if (phy && strcmp(phy, "utmi_wide") == 0) {
+ reg |= DWC3_GUSB2PHYCFG_PHYIF;
+ reg &= ~DWC3_GUSB2PHYCFG_USBTRDTIM_MASK;
+ reg |= DWC3_GUSB2PHYCFG_USBTRDTIM_16BIT;
+ }
+
+ if (dev_read_bool(dev, "snps,dis_enblslpm-quirk"))
+ reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM;
+
+ if (dev_read_bool(dev, "snps,dis-u2-freeclk-exists-quirk"))
+ reg &= ~DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS;
+
+ writel(reg, &dwc3_reg->g_usb2phycfg[0]);
+
dr_mode = usb_get_dr_mode(dev_of_offset(dev));
if (dr_mode == USB_DR_MODE_UNKNOWN)
/* by default set dual role mode to HOST */
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From: Mark Kettenis <kettenis@openbsd.org>
To: u-boot@lists.denx.de
Date: Sun, 30 Jun 2019 18:01:56 +0200
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Cc: Mark Kettenis <kettenis@openbsd.org>
Subject: [U-Boot] [PATCH v2 4/4] rockchip: xhci: Remove RK3399 support
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Remove RK3399 compatible strings as this driver is no longer
used on that SoC.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
---
drivers/usb/host/xhci-rockchip.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/usb/host/xhci-rockchip.c b/drivers/usb/host/xhci-rockchip.c
index f19bea3a91..e7b0dbcca5 100644
--- a/drivers/usb/host/xhci-rockchip.c
+++ b/drivers/usb/host/xhci-rockchip.c
@@ -167,7 +167,6 @@ static int xhci_usb_remove(struct udevice *dev)
}
static const struct udevice_id xhci_usb_ids[] = {
- { .compatible = "rockchip,rk3399-xhci" },
{ .compatible = "rockchip,rk3328-xhci" },
{ }
};
@@ -187,7 +186,6 @@ U_BOOT_DRIVER(usb_xhci) = {
};
static const struct udevice_id usb_phy_ids[] = {
- { .compatible = "rockchip,rk3399-usb3-phy" },
{ .compatible = "rockchip,rk3328-usb3-phy" },
{ }
};
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