[U-Boot] [PATCH v2 0/6] Add support for DM_USB and DM_USB_DEV to TI's K2G platforms

[U-Boot] [PATCH v2 0/6] Add support for DM_USB and DM_USB_DEV to TI's K2G platforms

[Jean-Jacques Hiblot]

The K2G platforms can use the generic DWC3 driver instead of relying on the
keystone-xhci driver.
Benefits are:
- moving toward DM
- brings USB gadget for free
- allows us to remove some code

Tested on:
- K2G EVM


Changes in v2:
- rebased on latest version of u-boot-usb/master
- use DM_USB_GADGET instead of DM_USB_DEV

Jean-Jacques Hiblot (6):
  usb: dwc3-generic: make it compatible with "ti,keystone-dwc3"
  board: ks2_evm: Enable the USB clocks if DM_USB is used
  ARM: dts: k2g-evm: enable USB0 and USB1
  PHY: Add phy driver for the keystone USB PHY
  usb: host: replace xhci-keystone driver by the generic dwc3 driver
  configs: k2g_evm: Enable DFU on K2G EVM

 arch/arm/dts/keystone-k2g-evm.dts    |  28 ++++
 arch/arm/dts/keystone-k2g.dtsi       |  56 ++++++++
 board/ti/ks2_evm/board.c             |  12 ++
 configs/k2e_evm_defconfig            |   7 +
 configs/k2e_hs_evm_defconfig         |   7 +
 configs/k2g_evm_defconfig            |  12 ++
 configs/k2g_hs_evm_defconfig         |  12 ++
 configs/k2hk_evm_defconfig           |   7 +
 configs/k2hk_hs_evm_defconfig        |   7 +
 configs/k2l_evm_defconfig            |   7 +
 configs/k2l_hs_evm_defconfig         |   7 +
 drivers/phy/Kconfig                  |  10 ++
 drivers/phy/Makefile                 |   1 +
 drivers/phy/keystone-usb-phy.c       | 109 ++++++++++++++++
 drivers/usb/dwc3/dwc3-generic.c      |   1 +
 drivers/usb/host/Makefile            |   1 -
 drivers/usb/host/xhci-keystone.c     | 240 -----------------------------------
 include/configs/ti_armv7_keystone2.h |  17 ++-
 18 files changed, 294 insertions(+), 247 deletions(-)
 create mode 100644 drivers/phy/keystone-usb-phy.c
 delete mode 100644 drivers/usb/host/xhci-keystone.c

-- 
2.7.4

[U-Boot] [PATCH v2 1/6] usb: dwc3-generic: make it compatible with "ti, keystone-dwc3"

[Jean-Jacques Hiblot]

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
---

Changes in v2: None

 drivers/usb/dwc3/dwc3-generic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c
index bc6bba1..0c189b8 100644
--- a/drivers/usb/dwc3/dwc3-generic.c
+++ b/drivers/usb/dwc3/dwc3-generic.c
@@ -342,6 +342,7 @@ static int dwc3_glue_remove(struct udevice *dev)
 
 static const struct udevice_id dwc3_glue_ids[] = {
 	{ .compatible = "xlnx,zynqmp-dwc3" },
+	{ .compatible = "ti,keystone-dwc3"},
 	{ .compatible = "ti,dwc3", .data = (ulong)&ti_ops },
 	{ }
 };
-- 
2.7.4

[U-Boot] [PATCH v2 2/6] board: ks2_evm: Enable the USB clocks if DM_USB is used

[Jean-Jacques Hiblot]

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
---

Changes in v2: None

 board/ti/ks2_evm/board.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/board/ti/ks2_evm/board.c b/board/ti/ks2_evm/board.c
index 72709c0..c888306 100644
--- a/board/ti/ks2_evm/board.c
+++ b/board/ti/ks2_evm/board.c
@@ -61,6 +61,18 @@ int dram_init(void)
 
 int board_init(void)
 {
+#if CONFIG_IS_ENABLED(DM_USB)
+	int rc = psc_enable_module(KS2_LPSC_USB);
+
+	if (rc)
+		puts("Cannot enable USB0 module");
+#ifdef KS2_LPSC_USB_1
+	rc = psc_enable_module(KS2_LPSC_USB_1);
+	if (rc)
+		puts("Cannot enable USB1 module");
+#endif
+#endif
+
 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 
 	return 0;
-- 
2.7.4

[U-Boot] [PATCH v2 3/6] ARM: dts: k2g-evm: enable USB0 and USB1

[Jean-Jacques Hiblot]

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
---

Changes in v2: None

 arch/arm/dts/keystone-k2g-evm.dts | 28 ++++++++++++++++++++
 arch/arm/dts/keystone-k2g.dtsi    | 56 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+)

diff --git a/arch/arm/dts/keystone-k2g-evm.dts b/arch/arm/dts/keystone-k2g-evm.dts
index ad746c7..6c9de25 100644
--- a/arch/arm/dts/keystone-k2g-evm.dts
+++ b/arch/arm/dts/keystone-k2g-evm.dts
@@ -33,6 +33,34 @@
 	};
 };
 
+&keystone_usb0 {
+	status = "okay";
+};
+
+&usb0_phy {
+	status = "okay";
+	compatible = "nop-phy";
+};
+
+&usb0 {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&keystone_usb1 {
+	status = "okay";
+};
+
+&usb1_phy {
+	compatible = "nop-phy";
+	status = "okay";
+};
+
+&usb1 {
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
 &gbe0 {
 	phy-handle = <&ethphy0>;
 };
diff --git a/arch/arm/dts/keystone-k2g.dtsi b/arch/arm/dts/keystone-k2g.dtsi
index 9bcfea6..0661be7 100644
--- a/arch/arm/dts/keystone-k2g.dtsi
+++ b/arch/arm/dts/keystone-k2g.dtsi
@@ -201,5 +201,61 @@
 			status = "disabled";
 			clock-names = "fck";
 		};
+
+		usb0_phy: usb-phy at 0 {
+			compatible = "usb-nop-xceiv";
+			status = "disabled";
+		};
+
+		keystone_usb0: keystone-dwc3 at 2680000 {
+			compatible = "ti,keystone-dwc3";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x2680000 0x10000>;
+			interrupts = <GIC_SPI 128 IRQ_TYPE_EDGE_RISING>;
+			ranges;
+			dma-coherent;
+			dma-ranges;
+			status = "disabled";
+			/*power-domains = <&k2g_pds 0x0016>;*/
+
+			usb0: usb at 2690000 {
+				compatible = "snps,dwc3";
+				reg = <0x2690000 0x10000>;
+				interrupts = <GIC_SPI 128 IRQ_TYPE_EDGE_RISING>;
+				maximum-speed = "high-speed";
+				dr_mode = "otg";
+				/*usb-phy = <&usb0_phy>;*/
+				status = "disabled";
+			};
+		};
+
+		usb1_phy: usb-phy at 1 {
+			compatible = "usb-nop-xceiv";
+			status = "disabled";
+		};
+
+		keystone_usb1: keystone-dwc3 at 2580000 {
+			compatible = "ti,keystone-dwc3";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x2580000 0x10000>;
+			interrupts = <GIC_SPI 144 IRQ_TYPE_EDGE_RISING>;
+			ranges;
+			dma-coherent;
+			dma-ranges;
+			status = "disabled";
+			/*power-domains = <&k2g_pds 0x0017>;*/
+
+			usb1: usb at 2590000 {
+				compatible = "snps,dwc3";
+				reg = <0x2590000 0x10000>;
+				interrupts = <GIC_SPI 144 IRQ_TYPE_EDGE_RISING>;
+				maximum-speed = "high-speed";
+				dr_mode = "otg";
+				/*usb-phy = <&usb1_phy>;*/
+				status = "disabled";
+			};
+		};
 	};
 };
-- 
2.7.4

[U-Boot] [PATCH v2 4/6] PHY: Add phy driver for the keystone USB PHY

[Jean-Jacques Hiblot]

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
---

Changes in v2: None

 drivers/phy/Kconfig            |  10 ++++
 drivers/phy/Makefile           |   1 +
 drivers/phy/keystone-usb-phy.c | 109 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 120 insertions(+)
 create mode 100644 drivers/phy/keystone-usb-phy.c

diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 3921e39..825ee7c 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -164,4 +164,14 @@ config OMAP_USB2_PHY
 
 	  This PHY is found on OMAP devices supporting USB2.
 
+
+config KEYSTONE_USB_PHY
+	bool "Support TI Keystone USB PHY"
+	depends on PHY
+	depends on ARCH_KEYSTONE
+	help
+	  Support for the USB PHY found on some Keystone (k2) processors
+
+	  This PHY is found on some Keystone (K2) devices supporting USB.
+
 endmenu
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index 53dd5bd..099551d 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -18,3 +18,4 @@ obj-$(CONFIG_PHY_STM32_USBPHYC) += phy-stm32-usbphyc.o
 obj-$(CONFIG_MESON_GXL_USB_PHY) += meson-gxl-usb2.o meson-gxl-usb3.o
 obj-$(CONFIG_MSM8916_USB_PHY) += msm8916-usbh-phy.o
 obj-$(CONFIG_OMAP_USB2_PHY) += omap-usb2-phy.o
+obj-$(CONFIG_KEYSTONE_USB_PHY) += keystone-usb-phy.o
diff --git a/drivers/phy/keystone-usb-phy.c b/drivers/phy/keystone-usb-phy.c
new file mode 100644
index 0000000..e8146ca
--- /dev/null
+++ b/drivers/phy/keystone-usb-phy.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
+ * Written by Jean-Jacques Hiblot  <jjhiblot@ti.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/device.h>
+#include <generic-phy.h>
+#include <asm/io.h>
+
+/* USB PHY control register offsets */
+#define USB_PHY_CTL_UTMI		0x0000
+#define USB_PHY_CTL_PIPE		0x0004
+#define USB_PHY_CTL_PARAM_1		0x0008
+#define USB_PHY_CTL_PARAM_2		0x000c
+#define USB_PHY_CTL_CLOCK		0x0010
+#define USB_PHY_CTL_PLL			0x0014
+
+#define PHY_OTG_VBUSVLDECTSEL		BIT(16)
+#define PHY_REF_SSP_EN			BIT(29)
+
+struct keystone_usb_phy {
+	void __iomem *reg;
+};
+
+static int keystone_usb_init(struct phy *phy)
+{
+	u32 val;
+	struct udevice *dev = phy->dev;
+	struct keystone_usb_phy *keystone = dev_get_priv(dev);
+
+	/*
+	 * VBUSVLDEXTSEL has a default value of 1 in BootCfg but shouldn't.
+	 * It should always be cleared because our USB PHY has an onchip VBUS
+	 * analog comparator.
+	 */
+	val = readl(keystone->reg + USB_PHY_CTL_CLOCK);
+	/* quit selecting the vbusvldextsel by default! */
+	val &= ~PHY_OTG_VBUSVLDECTSEL;
+	writel(val, keystone->reg + USB_PHY_CTL_CLOCK);
+
+	return 0;
+}
+
+static int keystone_usb_power_on(struct phy *phy)
+{
+	u32 val;
+	struct udevice *dev = phy->dev;
+	struct keystone_usb_phy *keystone = dev_get_priv(dev);
+
+	val = readl(keystone->reg + USB_PHY_CTL_CLOCK);
+	val |= PHY_REF_SSP_EN;
+	writel(val, keystone->reg + USB_PHY_CTL_CLOCK);
+
+	return 0;
+}
+
+static int keystone_usb_power_off(struct phy *phy)
+{
+	u32 val;
+	struct udevice *dev = phy->dev;
+	struct keystone_usb_phy *keystone = dev_get_priv(dev);
+
+	val = readl(keystone->reg + USB_PHY_CTL_CLOCK);
+	val &= ~PHY_REF_SSP_EN;
+	writel(val, keystone->reg + USB_PHY_CTL_CLOCK);
+
+	return 0;
+}
+
+static int keystone_usb_exit(struct phy *phy)
+{
+	return 0;
+}
+
+static int keystone_usb_phy_probe(struct udevice *dev)
+{
+	struct keystone_usb_phy *keystone = dev_get_priv(dev);
+
+	keystone->reg = dev_remap_addr_index(dev, 0);
+	if (!keystone->reg) {
+		pr_err("unable to remap usb phy\n");
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static const struct udevice_id keystone_usb_phy_ids[] = {
+	{ .compatible = "ti,keystone-usbphy" },
+	{ }
+};
+
+static struct phy_ops keystone_usb_phy_ops = {
+	.init = keystone_usb_init,
+	.power_on = keystone_usb_power_on,
+	.power_off = keystone_usb_power_off,
+	.exit = keystone_usb_exit,
+};
+
+U_BOOT_DRIVER(keystone_usb_phy) = {
+	.name	= "keystone_usb_phy",
+	.id	= UCLASS_PHY,
+	.of_match = keystone_usb_phy_ids,
+	.ops = &keystone_usb_phy_ops,
+	.probe = keystone_usb_phy_probe,
+	.priv_auto_alloc_size = sizeof(struct keystone_usb_phy),
+};
-- 
2.7.4

[U-Boot] [PATCH v2 5/6] usb: host: replace xhci-keystone driver by the generic dwc3 driver

[Jean-Jacques Hiblot]

The keystone platforms can use the generic DC3 driver. Removing the
keystone-spcecific xchi driver and add the configuration options to enable
the generic DWC3 driver on all K2 platforms.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
---

Changes in v2: None

 configs/k2e_evm_defconfig            |   7 +
 configs/k2e_hs_evm_defconfig         |   7 +
 configs/k2g_evm_defconfig            |   6 +
 configs/k2g_hs_evm_defconfig         |   6 +
 configs/k2hk_evm_defconfig           |   7 +
 configs/k2hk_hs_evm_defconfig        |   7 +
 configs/k2l_evm_defconfig            |   7 +
 configs/k2l_hs_evm_defconfig         |   7 +
 drivers/usb/host/Makefile            |   1 -
 drivers/usb/host/xhci-keystone.c     | 240 -----------------------------------
 include/configs/ti_armv7_keystone2.h |   7 -
 11 files changed, 54 insertions(+), 248 deletions(-)
 delete mode 100644 drivers/usb/host/xhci-keystone.c

diff --git a/configs/k2e_evm_defconfig b/configs/k2e_evm_defconfig
index 67b1f30..03a1ceb 100644
--- a/configs/k2e_evm_defconfig
+++ b/configs/k2e_evm_defconfig
@@ -37,6 +37,7 @@ CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
 CONFIG_SYS_I2C_DAVINCI=y
 CONFIG_TI_AEMIF=y
+CONFIG_MISC=y
 # CONFIG_MMC is not set
 CONFIG_NAND=y
 CONFIG_NAND_DAVINCI=y
@@ -47,13 +48,19 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MARVELL=y
 CONFIG_DM_ETH=y
 CONFIG_MII=y
+CONFIG_PHY=y
+CONFIG_NOP_PHY=y
+CONFIG_KEYSTONE_USB_PHY=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_DRIVER_TI_KEYSTONE_NET=y
diff --git a/configs/k2e_hs_evm_defconfig b/configs/k2e_hs_evm_defconfig
index 1abda84..bb7b314 100644
--- a/configs/k2e_hs_evm_defconfig
+++ b/configs/k2e_hs_evm_defconfig
@@ -30,6 +30,7 @@ CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
 CONFIG_SYS_I2C_DAVINCI=y
 CONFIG_TI_AEMIF=y
+CONFIG_MISC=y
 # CONFIG_MMC is not set
 CONFIG_NAND=y
 CONFIG_NAND_DAVINCI=y
@@ -40,13 +41,19 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MARVELL=y
 CONFIG_DM_ETH=y
 CONFIG_MII=y
+CONFIG_PHY=y
+CONFIG_NOP_PHY=y
+CONFIG_KEYSTONE_USB_PHY=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_DRIVER_TI_KEYSTONE_NET=y
diff --git a/configs/k2g_evm_defconfig b/configs/k2g_evm_defconfig
index bc4b92b..95c835a 100644
--- a/configs/k2g_evm_defconfig
+++ b/configs/k2g_evm_defconfig
@@ -36,6 +36,7 @@ CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_DM=y
 # CONFIG_BLK is not set
 CONFIG_SYS_I2C_DAVINCI=y
+CONFIG_MISC=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y
@@ -50,6 +51,8 @@ CONFIG_PHY_MARVELL=y
 CONFIG_PHY_MICREL=y
 CONFIG_DM_ETH=y
 CONFIG_MII=y
+CONFIG_PHY=y
+CONFIG_NOP_PHY=y
 CONFIG_REMOTEPROC_TI_POWER=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
@@ -57,7 +60,10 @@ CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_DRIVER_TI_KEYSTONE_NET=y
diff --git a/configs/k2g_hs_evm_defconfig b/configs/k2g_hs_evm_defconfig
index 66d8220..47c30a6 100644
--- a/configs/k2g_hs_evm_defconfig
+++ b/configs/k2g_hs_evm_defconfig
@@ -29,6 +29,7 @@ CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_DM=y
 # CONFIG_BLK is not set
 CONFIG_SYS_I2C_DAVINCI=y
+CONFIG_MISC=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y
@@ -43,6 +44,8 @@ CONFIG_PHY_MARVELL=y
 CONFIG_PHY_MICREL=y
 CONFIG_DM_ETH=y
 CONFIG_MII=y
+CONFIG_PHY=y
+CONFIG_NOP_PHY=y
 CONFIG_REMOTEPROC_TI_POWER=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
@@ -50,7 +53,10 @@ CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_DRIVER_TI_KEYSTONE_NET=y
diff --git a/configs/k2hk_evm_defconfig b/configs/k2hk_evm_defconfig
index f66d922..700fafd 100644
--- a/configs/k2hk_evm_defconfig
+++ b/configs/k2hk_evm_defconfig
@@ -37,6 +37,7 @@ CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
 CONFIG_SYS_I2C_DAVINCI=y
 CONFIG_TI_AEMIF=y
+CONFIG_MISC=y
 # CONFIG_MMC is not set
 CONFIG_NAND=y
 CONFIG_NAND_DAVINCI=y
@@ -47,13 +48,19 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MARVELL=y
 CONFIG_DM_ETH=y
 CONFIG_MII=y
+CONFIG_PHY=y
+CONFIG_NOP_PHY=y
+CONFIG_KEYSTONE_USB_PHY=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_DRIVER_TI_KEYSTONE_NET=y
diff --git a/configs/k2hk_hs_evm_defconfig b/configs/k2hk_hs_evm_defconfig
index dd91a51..a6caccc 100644
--- a/configs/k2hk_hs_evm_defconfig
+++ b/configs/k2hk_hs_evm_defconfig
@@ -30,6 +30,7 @@ CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
 CONFIG_SYS_I2C_DAVINCI=y
 CONFIG_TI_AEMIF=y
+CONFIG_MISC=y
 # CONFIG_MMC is not set
 CONFIG_NAND=y
 CONFIG_NAND_DAVINCI=y
@@ -40,13 +41,19 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MARVELL=y
 CONFIG_DM_ETH=y
 CONFIG_MII=y
+CONFIG_PHY=y
+CONFIG_NOP_PHY=y
+CONFIG_KEYSTONE_USB_PHY=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_DRIVER_TI_KEYSTONE_NET=y
diff --git a/configs/k2l_evm_defconfig b/configs/k2l_evm_defconfig
index 4f04caa..cb63808 100644
--- a/configs/k2l_evm_defconfig
+++ b/configs/k2l_evm_defconfig
@@ -37,6 +37,7 @@ CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
 CONFIG_SYS_I2C_DAVINCI=y
 CONFIG_TI_AEMIF=y
+CONFIG_MISC=y
 # CONFIG_MMC is not set
 CONFIG_NAND=y
 CONFIG_NAND_DAVINCI=y
@@ -47,13 +48,19 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MARVELL=y
 CONFIG_DM_ETH=y
 CONFIG_MII=y
+CONFIG_PHY=y
+CONFIG_NOP_PHY=y
+CONFIG_KEYSTONE_USB_PHY=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_DRIVER_TI_KEYSTONE_NET=y
diff --git a/configs/k2l_hs_evm_defconfig b/configs/k2l_hs_evm_defconfig
index 9ce23de..4ce7801 100644
--- a/configs/k2l_hs_evm_defconfig
+++ b/configs/k2l_hs_evm_defconfig
@@ -29,6 +29,7 @@ CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
 CONFIG_SYS_I2C_DAVINCI=y
 CONFIG_TI_AEMIF=y
+CONFIG_MISC=y
 # CONFIG_MMC is not set
 CONFIG_NAND=y
 CONFIG_NAND_DAVINCI=y
@@ -39,13 +40,19 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MARVELL=y
 CONFIG_DM_ETH=y
 CONFIG_MII=y
+CONFIG_PHY=y
+CONFIG_NOP_PHY=y
+CONFIG_KEYSTONE_USB_PHY=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_DRIVER_TI_KEYSTONE_NET=y
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 285c20a..948683a 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -50,7 +50,6 @@ 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_ZYNQMP) += xhci-zynqmp.o
-obj-$(CONFIG_USB_XHCI_KEYSTONE) += xhci-keystone.o
 obj-$(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-keystone.c b/drivers/usb/host/xhci-keystone.c
deleted file mode 100644
index 200b3f0..0000000
--- a/drivers/usb/host/xhci-keystone.c
+++ /dev/null
@@ -1,240 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * USB 3.0 DRD Controller
- *
- * (C) Copyright 2012-2014
- *     Texas Instruments Incorporated, <www.ti.com>
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <usb.h>
-#include <asm/arch/psc_defs.h>
-#include <asm/io.h>
-#include <linux/usb/dwc3.h>
-#include <asm/arch/xhci-keystone.h>
-#include <linux/errno.h>
-#include <linux/list.h>
-#include "xhci.h"
-
-struct kdwc3_irq_regs {
-	u32 revision;	/* 0x000 */
-	u32 rsvd0[3];
-	u32 sysconfig;	/* 0x010 */
-	u32 rsvd1[1];
-	u32 irq_eoi;
-	u32 rsvd2[1];
-	struct {
-		u32 raw_status;
-		u32 status;
-		u32 enable_set;
-		u32 enable_clr;
-	} irqs[16];
-};
-
-struct keystone_xhci {
-	struct xhci_hccr *hcd;
-	struct dwc3 *dwc3_reg;
-	struct xhci_hcor *hcor;
-	struct kdwc3_irq_regs *usbss;
-	struct keystone_xhci_phy *phy;
-};
-
-struct keystone_xhci keystone;
-
-static void keystone_xhci_phy_set(struct keystone_xhci_phy *phy)
-{
-	u32 val;
-
-	/*
-	 * VBUSVLDEXTSEL has a default value of 1 in BootCfg but shouldn't.
-	 * It should always be cleared because our USB PHY has an onchip VBUS
-	 * analog comparator.
-	 */
-	val = readl(&phy->phy_clock);
-	/* quit selecting the vbusvldextsel by default! */
-	val &= ~USB3_PHY_OTG_VBUSVLDECTSEL;
-	writel(val, &phy->phy_clock);
-}
-
-static void keystone_xhci_phy_unset(struct keystone_xhci_phy *phy)
-{
-	u32 val;
-
-	/* Disable the PHY REFCLK clock gate */
-	val = readl(&phy->phy_clock);
-	val &= ~USB3_PHY_REF_SSP_EN;
-	writel(val, &phy->phy_clock);
-}
-
-static int keystone_xhci_core_init(struct dwc3 *dwc3_reg)
-{
-	int ret;
-
-	ret = dwc3_core_init(dwc3_reg);
-	if (ret) {
-		debug("failed to initialize core\n");
-		return -EINVAL;
-	}
-
-	/* We are hard-coding DWC3 core to Host Mode */
-	dwc3_set_mode(dwc3_reg, DWC3_GCTL_PRTCAP_HOST);
-
-	return 0;
-}
-
-int xhci_hcd_init(int index,
-		  struct xhci_hccr **ret_hccr, struct xhci_hcor **ret_hcor)
-{
-	u32 val;
-	int ret;
-	struct xhci_hccr *hcd;
-	struct xhci_hcor *hcor;
-	struct kdwc3_irq_regs *usbss;
-	struct keystone_xhci_phy *phy;
-
-	usbss = (struct kdwc3_irq_regs *)CONFIG_USB_SS_BASE;
-	phy = (struct keystone_xhci_phy *)CONFIG_DEV_USB_PHY_BASE;
-
-	/* Enable the PHY REFCLK clock gate with phy_ref_ssp_en = 1 */
-	val = readl(&(phy->phy_clock));
-	val |= USB3_PHY_REF_SSP_EN;
-	writel(val, &phy->phy_clock);
-
-	mdelay(100);
-
-	/* Release USB from reset */
-	ret = psc_enable_module(KS2_LPSC_USB);
-	if (ret) {
-		puts("Cannot enable USB module");
-		return -1;
-	}
-
-	mdelay(100);
-
-	/* Initialize usb phy */
-	keystone_xhci_phy_set(phy);
-
-	/* soft reset usbss */
-	writel(1, &usbss->sysconfig);
-	while (readl(&usbss->sysconfig) & 1)
-		;
-
-	val = readl(&usbss->revision);
-	debug("usbss revision %x\n", val);
-
-	/* Initialize usb core */
-	hcd = (struct xhci_hccr *)CONFIG_USB_HOST_XHCI_BASE;
-	keystone.dwc3_reg = (struct dwc3 *)(CONFIG_USB_HOST_XHCI_BASE +
-					    DWC3_REG_OFFSET);
-
-	keystone_xhci_core_init(keystone.dwc3_reg);
-
-	/* set register addresses */
-	hcor = (struct xhci_hcor *)((uint32_t)hcd +
-		HC_LENGTH(readl(&hcd->cr_capbase)));
-
-	debug("Keystone2-xhci: init hccr %08x and hcor %08x hc_length %d\n",
-	      (u32)hcd, (u32)hcor,
-	      (u32)HC_LENGTH(xhci_readl(&hcd->cr_capbase)));
-
-	keystone.usbss = usbss;
-	keystone.phy = phy;
-	keystone.hcd = hcd;
-	keystone.hcor = hcor;
-
-	*ret_hccr = hcd;
-	*ret_hcor = hcor;
-
-	return 0;
-}
-
-static int keystone_xhci_phy_suspend(void)
-{
-	int loop_cnt = 0;
-	struct xhci_hcor *hcor;
-	uint32_t *portsc_1 = NULL;
-	uint32_t *portsc_2 = NULL;
-	u32 val, usb2_pls, usb3_pls, event_q;
-	struct dwc3 *dwc3_reg = keystone.dwc3_reg;
-
-	/* set register addresses */
-	hcor = keystone.hcor;
-
-	/* Bypass Scrambling and Set Shorter Training sequence for simulation */
-	val = DWC3_GCTL_PWRDNSCALE(0x4b0) | DWC3_GCTL_PRTCAPDIR(0x2);
-	writel(val, &dwc3_reg->g_ctl);
-
-	/* GUSB2PHYCFG */
-	val = readl(&dwc3_reg->g_usb2phycfg[0]);
-
-	/* assert bit 6 (SusPhy) */
-	val |= DWC3_GUSB2PHYCFG_SUSPHY;
-	writel(val, &dwc3_reg->g_usb2phycfg[0]);
-
-	/* GUSB3PIPECTL */
-	val = readl(&dwc3_reg->g_usb3pipectl[0]);
-
-	/*
-	 * assert bit 29 to allow PHY to go to suspend when idle
-	 * and cause the USB3 SS PHY to enter suspend mode
-	 */
-	val |= (BIT(29) | DWC3_GUSB3PIPECTL_SUSPHY);
-	writel(val, &dwc3_reg->g_usb3pipectl[0]);
-
-	/*
-	 * Steps necessary to allow controller to suspend even when
-	 * VBUS is HIGH:
-	 * - Init DCFG[2:0] (DevSpd) to: 1=FS
-	 * - Init GEVNTADR0 to point to an eventQ
-	 * - Init GEVNTSIZ0 to 0x0100 to specify the size of the eventQ
-	 * - Init DCTL::Run_nStop = 1
-	 */
-	writel(0x00020001, &dwc3_reg->d_cfg);
-	/* TODO: local2global( (Uint32) eventQ )? */
-	writel((u32)&event_q, &dwc3_reg->g_evnt_buf[0].g_evntadrlo);
-	writel(0, &dwc3_reg->g_evnt_buf[0].g_evntadrhi);
-	writel(0x4, &dwc3_reg->g_evnt_buf[0].g_evntsiz);
-	/* Run */
-	writel(DWC3_DCTL_RUN_STOP, &dwc3_reg->d_ctl);
-
-	mdelay(100);
-
-	/* Wait for USB2 & USB3 PORTSC::PortLinkState to indicate suspend */
-	portsc_1 = (uint32_t *)(&hcor->portregs[0].or_portsc);
-	portsc_2 = (uint32_t *)(&hcor->portregs[1].or_portsc);
-	usb2_pls = 0;
-	usb3_pls = 0;
-	do {
-		++loop_cnt;
-		usb2_pls = (readl(portsc_1) & PORT_PLS_MASK) >> 5;
-		usb3_pls = (readl(portsc_2) & PORT_PLS_MASK) >> 5;
-	} while (((usb2_pls != 0x4) || (usb3_pls != 0x4)) && loop_cnt < 1000);
-
-	if (usb2_pls != 0x4 || usb3_pls != 0x4) {
-		debug("USB suspend failed - PLS USB2=%02x, USB3=%02x\n",
-		      usb2_pls, usb3_pls);
-		return -1;
-	}
-
-	debug("USB2 and USB3 PLS - Disabled, loop_cnt=%d\n", loop_cnt);
-	return 0;
-}
-
-void xhci_hcd_stop(int index)
-{
-	/* Disable USB */
-	if (keystone_xhci_phy_suspend())
-		return;
-
-	if (psc_disable_module(KS2_LPSC_USB)) {
-		debug("PSC disable module USB failed!\n");
-		return;
-	}
-
-	/* Disable PHY */
-	keystone_xhci_phy_unset(keystone.phy);
-
-/*	memset(&keystone, 0, sizeof(struct keystone_xhci)); */
-	debug("xhci_hcd_stop OK.\n");
-}
diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h
index 5e504f6..fae72e7 100644
--- a/include/configs/ti_armv7_keystone2.h
+++ b/include/configs/ti_armv7_keystone2.h
@@ -169,13 +169,6 @@
 #define CONFIG_SYS_NAND_MAX_CHIPS		1
 #define CONFIG_SYS_NAND_NO_SUBPAGE_WRITE
 
-/* USB Configuration */
-#define CONFIG_USB_XHCI_KEYSTONE
-#define CONFIG_USB_SS_BASE			KS2_USB_SS_BASE
-#define CONFIG_USB_HOST_XHCI_BASE		KS2_USB_HOST_XHCI_BASE
-#define CONFIG_DEV_USB_PHY_BASE			KS2_DEV_USB_PHY_BASE
-#define CONFIG_USB_PHY_CFG_BASE			KS2_USB_PHY_CFG_BASE
-
 /* U-Boot general configuration */
 #define CONFIG_MX_CYCLIC
 #define CONFIG_TIMESTAMP
-- 
2.7.4

[U-Boot] [PATCH v2 6/6] configs: k2g_evm: Enable DFU on K2G EVM

[Jean-Jacques Hiblot]

The K2G evm uses the generic DWC3 driver. DFU can thus be enabled.
Enabling DFU for easier firmware update.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>

---

Changes in v2:
- rebased on latest version of u-boot-usb/master
- use DM_USB_GADGET instead of DM_USB_DEV

 configs/k2g_evm_defconfig            |  6 ++++++
 configs/k2g_hs_evm_defconfig         |  6 ++++++
 include/configs/ti_armv7_keystone2.h | 12 ++++++++++++
 3 files changed, 24 insertions(+)

diff --git a/configs/k2g_evm_defconfig b/configs/k2g_evm_defconfig
index 95c835a..8a07039 100644
--- a/configs/k2g_evm_defconfig
+++ b/configs/k2g_evm_defconfig
@@ -35,6 +35,7 @@ CONFIG_MULTI_DTB_FIT=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_DM=y
 # CONFIG_BLK is not set
+CONFIG_DFU_MMC=y
 CONFIG_SYS_I2C_DAVINCI=y
 CONFIG_MISC=y
 CONFIG_DM_MMC=y
@@ -61,9 +62,14 @@ CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_DM_USB_GADGET=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GADGET=y
 CONFIG_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_DRIVER_TI_KEYSTONE_NET=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_USB_FUNCTION_SDP=y
diff --git a/configs/k2g_hs_evm_defconfig b/configs/k2g_hs_evm_defconfig
index 47c30a6..5f91f11 100644
--- a/configs/k2g_hs_evm_defconfig
+++ b/configs/k2g_hs_evm_defconfig
@@ -28,6 +28,7 @@ CONFIG_MULTI_DTB_FIT=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_DM=y
 # CONFIG_BLK is not set
+CONFIG_DFU_MMC=y
 CONFIG_SYS_I2C_DAVINCI=y
 CONFIG_MISC=y
 CONFIG_DM_MMC=y
@@ -54,9 +55,14 @@ CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_DM_USB_GADGET=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GADGET=y
 CONFIG_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_DRIVER_TI_KEYSTONE_NET=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_USB_FUNCTION_SDP=y
diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h
index fae72e7..0c7d664 100644
--- a/include/configs/ti_armv7_keystone2.h
+++ b/include/configs/ti_armv7_keystone2.h
@@ -169,6 +169,17 @@
 #define CONFIG_SYS_NAND_MAX_CHIPS		1
 #define CONFIG_SYS_NAND_NO_SUBPAGE_WRITE
 
+#define DFU_ALT_INFO_MMC \
+	"dfu_alt_info_mmc=" \
+	"MLO fat 0 1;" \
+	"u-boot.img fat 0 1;" \
+	"uEnv.txt fat 0 1\0"
+
+/* DFU settings */
+#define DFUARGS \
+	"dfu_bufsiz=0x10000\0" \
+	DFU_ALT_INFO_MMC \
+
 /* U-Boot general configuration */
 #define CONFIG_MX_CYCLIC
 #define CONFIG_TIMESTAMP
@@ -207,6 +218,7 @@
 #define CONFIG_EXTRA_ENV_SETTINGS					\
 	DEFAULT_LINUX_BOOT_ENV						\
 	CONFIG_EXTRA_ENV_KS2_BOARD_SETTINGS				\
+	DFUARGS								\
 	"bootdir=/boot\0" \
 	"tftp_root=/\0"							\
 	"nfs_root=/export\0"						\
-- 
2.7.4

[U-Boot] [PATCH v2 2/6] board: ks2_evm: Enable the USB clocks if DM_USB is used

[Tom Rini]

On Tue, Dec 04, 2018 at 11:12:57AM +0100, Jean-Jacques Hiblot wrote:

> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>

Reviewed-by: Tom Rini <trini@konsulko.com>

-- 
Tom
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[U-Boot] [PATCH v2 3/6] ARM: dts: k2g-evm: enable USB0 and USB1

[Tom Rini]

On Tue, Dec 04, 2018 at 11:12:58AM +0100, Jean-Jacques Hiblot wrote:

> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>

Reviewed-by: Tom Rini <trini@konsulko.com>

-- 
Tom
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[U-Boot] [PATCH v2 6/6] configs: k2g_evm: Enable DFU on K2G EVM

[Tom Rini]

On Tue, Dec 04, 2018 at 11:13:01AM +0100, Jean-Jacques Hiblot wrote:

> The K2G evm uses the generic DWC3 driver. DFU can thus be enabled.
> Enabling DFU for easier firmware update.
> 
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
> 

Reviewed-by: Tom Rini <trini@konsulko.com>

-- 
Tom
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[U-Boot] [PATCH v2 0/6] Add support for DM_USB and DM_USB_DEV to TI's K2G platforms

[Lukasz Majewski]

Hi Jean-Jacques, Marek,

> The K2G platforms can use the generic DWC3 driver instead of relying
> on the keystone-xhci driver.
> Benefits are:
> - moving toward DM
> - brings USB gadget for free
> - allows us to remove some code
> 
> Tested on:
> - K2G EVM
> 

I'm not sure if I shall wait for Marek's PR to Tom (preferred) or send
new PR to Marek?

Marek what do you think?

> 
> Changes in v2:
> - rebased on latest version of u-boot-usb/master
> - use DM_USB_GADGET instead of DM_USB_DEV
> 
> Jean-Jacques Hiblot (6):
>   usb: dwc3-generic: make it compatible with "ti,keystone-dwc3"
>   board: ks2_evm: Enable the USB clocks if DM_USB is used
>   ARM: dts: k2g-evm: enable USB0 and USB1
>   PHY: Add phy driver for the keystone USB PHY
>   usb: host: replace xhci-keystone driver by the generic dwc3 driver
>   configs: k2g_evm: Enable DFU on K2G EVM
> 
>  arch/arm/dts/keystone-k2g-evm.dts    |  28 ++++
>  arch/arm/dts/keystone-k2g.dtsi       |  56 ++++++++
>  board/ti/ks2_evm/board.c             |  12 ++
>  configs/k2e_evm_defconfig            |   7 +
>  configs/k2e_hs_evm_defconfig         |   7 +
>  configs/k2g_evm_defconfig            |  12 ++
>  configs/k2g_hs_evm_defconfig         |  12 ++
>  configs/k2hk_evm_defconfig           |   7 +
>  configs/k2hk_hs_evm_defconfig        |   7 +
>  configs/k2l_evm_defconfig            |   7 +
>  configs/k2l_hs_evm_defconfig         |   7 +
>  drivers/phy/Kconfig                  |  10 ++
>  drivers/phy/Makefile                 |   1 +
>  drivers/phy/keystone-usb-phy.c       | 109 ++++++++++++++++
>  drivers/usb/dwc3/dwc3-generic.c      |   1 +
>  drivers/usb/host/Makefile            |   1 -
>  drivers/usb/host/xhci-keystone.c     | 240
> -----------------------------------
> include/configs/ti_armv7_keystone2.h |  17 ++- 18 files changed, 294
> insertions(+), 247 deletions(-) create mode 100644
> drivers/phy/keystone-usb-phy.c delete mode 100644
> drivers/usb/host/xhci-keystone.c
> 




Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma at denx.de
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